52results about How to "Reduce the energy conversion link" patented technology

The invention relates to an air conditioning system for a hybrid electric vehicle and a control method thereof and can solve the problem that the temperature in a vehicle cannot be improved in advance in the prior art. According to the key points of the technical scheme, the air conditioning system for a hybrid electric vehicle comprises a direct current regulated power supply, a vehicle air conditioner, an vehicle engine, as well as hybrid storage battery, an air conditioner controller and a controllable selective switch, wherein the mechanical driving front end of a compressor is driven by the vehicle engine through mechanical linkage, the output end of the hybrid storage battery is connected with the controllable selective switch electrically, the control end of the controllable selective switch is connected with the direct current regulated power supply respectively through controllable switches TL1 and TL2, the first output end of the controllable selective switch is electricallyconnected with an electric drive end, the second output end of the controllable selective switch is connected with an electromagnetic clutch through a controllable switch TL3, the control ends of thecontrollable switches TL1, TL2 and TL3 are all connected with the air conditioner controller electrically. The air conditioning system can be used for adjusting the operation state of an air conditioner according to the use conditions of different vehicles.

The invention discloses a hydraulic driving system for an offshore drilling compensation winch.A hydraulic secondary regulation element and a driven hydraulic cylinder jointly drive the winch to fulfill a heave compensation function, and a bit feeding hydraulic motor drives the winch to fulfill an automatic bit feeding function.During compensation, the driven hydraulic cylinder and a liquid-gas energy storage device thereof are used or bearing all static loads of a drilling rig and periodically recovering and releasing gravitational potential energy of loads; the hydraulic secondary regulation element operates in a constant-pressure network to overcome other loads in the compensation process, and the liquid-gas energy storage device periodically recovers and releases inertia kinetic energy of the a winch rotary system.During bit feeding, the driven hydraulic cylinder and the liquid-gas energy storage device thereof recover the gravitational potential energy of the loads of the drilling rig and release in lifting of a drilling rig traveling system.The hydraulic driving system is integrally compact in structure, a hydraulic energy recovery system is high in operation efficiency and long in service life, and an engine is low in power and power consumption.

The invention discloses an electro-hydraulic system for recycling and releasing the potential energy of an engineering machinery. The electro-hydraulic system comprises a control system, a power source, a performing mechanism, a switching mechanism and an energy recycling releasing mechanism, wherein the control system comprises a controller, a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor; the power source comprises an engine, a main variable pump and an oil tank; the performing mechanism comprises a lifting hydraulic cylinder; the switching mechanism comprises a multiway valve and a pilot control handle; and the energy recycling releasing mechanism comprises an energy accumulator, a first liquid control two-position three-way valve, an electromagnetic two-position three-way valve and a variable pump-motor. With the adoption of the electro-hydraulic system for recycling and releasing the potential energy of the engineering machinery, when the working condition of the engineering machinery is down, a lot of gravitational potential energies can be recycled and is used for driving the main pump, so that the consumption power of the engine is lowered, the energy waste is reduced, and the work efficiency of the engineering machinery is improved.

The invention discloses an excavator rotation brake energy recovery system which comprises an engine, a variable pump, a transfer case, electromagnetic reversing valves, hydraulic control one-way valves, hydraulic control reversing valves, an energy accumulator, a rotary motor, a variable motor and a controller. Mechanical energy during excavator rotation braking is kinetic energy before excavator braking. According to the excavator rotation brake energy recovery system, the energy when the rotary motor is braked can be recovered, pressure oil is pressurized through a pressurizing valve to enable the recovered energy to be stored in the energy accumulator in a hydraulic energy mode, and when the energy is released, the hydraulic oil in the energy accumulator drives the variable motor and the engine after power distribution of the transfer case to drive a main pump to act on a work load. A hydraulic adjuster is composed of the pressurizing valve, the energy accumulator, the hydraulic control one-way valves and the variable motor, conversion links during energy recovery are reduced, the energy recovery efficiency is improved, the engine works in the high-efficiency area all the time, and oil consumption is reduced.

The invention relates to a solar-driven coaxial traveling wave starting and standing wave refrigerating device, which comprises a traveling wave thermoacoustic engine and a standing wave thermoacoustic refrigerating machine with coaxial structures, and also comprises a resonatron which is connected between the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, a solar light-accumulating device and a solar light-transmitting device which are arranged in front of the traveling wave thermoacoustic engine, a resonant cavity which is arranged on the rear of the standing wave thermoacoustic refrigerating machine, and a fused salt annular box which is coated on the outside of a heat exchanger on the hot end of the traveling wave thermoacoustic engine. Due to organic axial arrangement of the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, the solar-driven coaxial traveling wave starting and standing wave refrigerating device has the advantages of compact structure and high efficiency; fused salt which is coated on the outside of the heat exchanger on the hot end of the engine is an ideal thermal capacitance, thereby having the advantage of constant heating temperature; and a light-transmitting enclosed body on the front end of the engine uses quartz glass, thereby having the advantages of high-efficiency transmittance and prevention of low-temperature internal infrared radiation from passing through.

The invention discloses an electro-hydraulic energy recovery and release system for slewing brake of engineering machinery. The electro-hydraulic energy recovery and release system comprises an energy recovery and release mechanism and a control unit. The control unit comprises a controller and a first pressure sensor. The energy recovery and release mechanism comprises a hydraulic energy storage unit, an electromagnetic reserving valve, a hydraulic motor, a sequence valve, a first check valve and a second check valve. Kinetic energy generated during slewing brake of the engineering machinery can be stored by the hydraulic energy storage unit, the controller controls the electromagnetic reversing valve to release the energy stored in the hydraulic energy storage unit according to the load of a main variable pump so as to drive the hydraulic motor to provide a torque to the main variable pump, and thus fuel oil consumption of an engine is reduced and work efficiency of the engineering machinery is improved.

The invention provides a solar thermoelectric generation device based on a Fresnel lens and a heat pipe principle, and belongs to the field of solar thermal power generation engineering. The device mainly comprises the point focusing type Fresnel lens, a transparent glass cover plate, a cylindrical cavity type heat absorber inner wall, a cylindrical cavity type heat absorber outer wall, annular thermoelectric generation modules, flat plate type thermoelectric generation modules, annular fins and uniform-section straight fins. Compared with other solar thermoelectric generation devices, the solar thermoelectric generation device based on the Fresnel lens and the heat pipe principle can achieve uniform heating of walls of heating ends of the thermoelectric generation modules, has the advantages of being compact in structure, few in operation parts, low in noise, reliable to operate, low in maintenance cost, convenient to adjust and good in performance, and can be used as a distribution type energy source.

The invention relates to a dual-compressor mixed power fuel gas heat pump air conditioner, with multifunction, energy-saving and environment-friend properties. Wherein, the system engine (1) is connected to the open compressor (2) via axle or belt; the exhaust tube of open compressor (2) is combined with the exhaust tube of direct-current variable-frequency compressor (9) to connect the oil separator (3); the sucker of open compressor is combine with the sucker of direct-current variable-frequency compressor (9) to connect gas-liquid separator (8); the output of oil separator (3) is connected to the inlet A tube of four-way valve (4); the first output C tube of four-way valve (4) is connected to the gas-liquid separator (8); the second output B tube is connected to the indoor heat exchanger (7); another end of indoor heat exchanger (7) is connected to the throttle device (6); another end of throttle device is connected to the outdoor heat exchanger (5); another end of outdoor heat exchanger is connected to the third output D of four-way valve.

The present invention relates to a motor servosystem hydroturbine governor without hydraulic mechanism. It is mainly formed from electric controller, electric servodriver, guide blade driving motor and mechanical driving mechanism. Said invention is characterized by that on the above-mentioned single-regulated motor servosystem hydroturbine governor without hydraulic mechanism a double-regulated motor servosystem hydroturbine governor without hydraulic mechanism which is formed from carbon brush group, slide ring group, blade driving motor and mechanical driving mechanism is added. Said invention is simple in structure, high in reliability and small in volume, and can use DC power supply of hydraulic power station as stand-by cenergy source.

The invention provides an energy recovery and utilization system for movable arm potential energy. The oil outlet of a movable arm locking valve (1), the rodless cavity oil opening of a movable arm oil cylinder (13) and the oil inlet of a second hydraulic-control reversing valve (3) are communicated with one another; the controlling oil opening of the movable arm locking valve (1) is connected with the oil outlet of a first hydraulic-control reversing valve (2); the controlling oil opening the first hydraulic-control reversing valve (2) is connected with the oil inlet of the first hydraulic-control reversing valve (2) and the controlling oil opening of the second hydraulic-control reversing valve (3); the second hydraulic-control reversing valve (3) is connected with a first one-way valve (4); the first one-way valve (4), an energy accumulator (7), a second one-way valve (8) and a hydraulic motor (10) are communicated mutually; the oil outlet of the hydraulic motor (10) is connected with an oil tank; the controlling oil opening of the second hydraulic-control reversing valve (3) is connected with a movable arm handle (14). The energy recovery and utilization system can control recovery action according to the action of the movable arm oil cylinder, is simple in structure, low in manufacturing cost, and relatively high in portability.

The invention discloses a self-locking clamping device based on thermally induced linear expansion. The self-locking clamping device comprises a micro-drive device and a travel amplifying device, the micro-drive device is provided with a thermosensitive drive component made of temperature sensitive materials, and a hear source is provided by a rapid semiconductor refrigerating/heating technology. The differential travel amplifying device with internal backflow area is used for amplifying travel, and the size of an output piston is not limited while amplification coefficient is ensured. When in operation, the self-locking clamping device is set in an original refrigerating state, the piston is driven to move by the elongation of the thermosensitive drive component in the room temperature recovery process, a workpiece is clamped, and long-term clamping is kept by temperature potential energy accumulated in the room temperature state. The self-locking clamping device is compact and simple in structure, pollution-free, green, environment-friendly, simple in operating mode, low in energy consumption and high in energy utilization rate, only two times of one-way refrigeration are needed in one operating process of clamping and loosening, and clamping is kept by the temperature potential energy without continuously supplying energy.

The invention discloses a wind-driven magnetic suspension vertical shaft seawater desalination system and a control method thereof. A vertical shaft wind turbine is adopted to directly drive a high-pressure water pump, current regulation and control of a suspension winding of a disc-type motor are combined, and a fan is suspended based on a four-point suspension control method; according to requirements of fresh water, wind energy capture power and high-pressure pump rated power, an algorithm is determined by adopting a pump diaphragm, and the high-pressure water pump and a reverse osmosis membrane component are switched; on the basis of a rotor flux linkage orientation strategy and electromagnetic torque regulation and control of the disc-type motor, coarse and fine regulation of wind energy capture and power control are achieved; a multi-layer fan blade trapezoid structure is adopted, the suspension winding and an iron core are moved downwards to the bottom end of a fan rotating body, and thus, the fan rotating body is more stable in suspension; and by adopting hybrid energy storage of a storage battery and a high-pressure tank, multi-working modes of seawater desalination such as suspension electric drive, suspension capture, and damping rated rotating speed are achieved, and wind energy utilization, seawater desalination efficiency and diaphragm desalination service life are synergistically improved. The effective implementation of the system and the method can greatly promote offshore wind power and the seawater desalination to be practical.

The invention discloses a graded energy utilization system used in cement production. The defects in the common cement production, such as high power consumption, low energy utilization efficiency and high manufacturing cost, are overcome by adopting the multi-stage energy utilization method; and further, waste heat utilization is integrated with energy utilization on the whole, so that the entire energy utilization efficiency is greatly improved.

The invention provides a hybrid power forklift transmission system which comprises an adjusting box, a first gear, a second gear, a third gear, a driving motor, an output shaft, a hydraulic motor, an electromagnet, a control device and a sensor. The hydraulic motor comprises a motor shaft, a shaft head, a magnetic column, at least one steel ball and a fixing bolt. A sliding groove is formed in the shaft head. An annular groove is formed in the side, away from the motor shaft, of the magnetic column, and the side wall on the side, close to the motor shaft, of the annular groove is gradually away from the axis of the magnetic column in the direction close to the motor shaft, at least one clamping through hole and at least one sliding rail are further arranged on the shaft head, a ball lifting protrusion is arranged in the shaft head, and a plurality of clamping grooves are formed in the third gear. The sensor appliance is used for detecting gravity signals of goods on a fork. The hybrid power forklift transmission system is simple in mechanism, ingenious in structure, convenient to assemble and maintain and suitable for forklifts and other industrial vehicles, the energy consumption of the forklifts is reduced, an energy conversion link is omitted, and system efficiency can be improved.

The invention discloses an offshore wind pneumatic suspension vertical shaft seawater desalination system and a control method thereof. The offshore wind pneumatic suspension vertical shaft seawater desalination system comprises vertical shaft wind turbines, compressed air energy storing devices, air flotation damping devices and a seawater desalination device. Frictional damping of draught fans and tower frames are regulated by adopting a four-point pneumatic suspension mode, a high-pressure pump, compressors and a reverse osmosis membrane assembly are switched according to the capturing power, the fresh water requirement, the compression power and the high-pressure pump power, and the compressed air energy storing devices and high-pressure seawater storing devices are roughly and finelyregulated on the basis of rotor magnetic chain orienteering and permanent magnet generator electromagnetic torque regulating; and a mixed energy storing mode of compressed air, a high-pressure water tank and a storage battery is adopted, therefore, seawater desalination in multiple working modes such as draught fan pneumatic suspension, air floatation capturing, air floatation water storing and gas storing and damping regulating is achieved, and the wind energy utilization efficiency, the seawater desalination efficiency and the membrane desalination life are cooperatively improved. Through effective implementation of the offshore wind pneumatic suspension vertical shaft seawater desalination system and the control method thereof, real practicability of offshore wind power and seawater desalination can be greatly promoted.

The invention discloses energy-saving mechanical hydraulic energy storage equipment and method. The energy-saving mechanical hydraulic energy storage equipment and method comprise an energy storage part, an oil valve system, a counterweight water tank system and a pulley part. The energy storage part is an energy storage device and is used for storing high-pressure working hydraulic oil sprayed out of the oil valve system. The oil valve system and the energy storage part constitute an oil liquid circulating pipeline system used for conveying hydraulic oil in the energy storage equipment. The counterweight water tank system comprises a counterweight part and a water ball valve pipeline part. The counterweight part comprises a water storage tank, a traction steel wire rope and a counterweight device. The counterweight device and the water storage tank form a motion system of the energy storage equipment through the traction steel wire rope and the pulley part. According to the energy-saving mechanical hydraulic energy storage equipment and method, because the potential energy of water resources of the energy-saving mechanical hydraulic energy storage equipment is mainly converted into hydraulic potential energy which can be conveniently used, energy conversion links are reduced, the electric energy consumption of a motor is reduced, the control is simple, the cost investment is reduced, the maintenance is convenient, the operation cost is low, the potential energy levels are different and can be conveniently switched, and an energy station of a gas system and an oil system can be built.