877 results about "Accumulator (energy)" patented technology

The invention relates to an energy accumulator durability test method and system, and the system comprises an extreme working condition simulation module which can achieve high-voltage, wide-temperature-range and high-frequency dynamic loading; the multi-sensor monitoring network integrates a fiber bragg grating strain sensor, a three-axis acceleration sensor and an acoustic emission sensor to realize collaborative monitoring of strain, vibration and microcracks; the intelligent control and energy recovery module is combined with a fuzzy PID and reinforcement learning algorithm, a magnetorheological fluid generator and a super capacitor bank, so that the control precision and the energy utilization rate are improved; and the data analysis and life evaluation platform accurately predicts the residual life by using an improved Bayesian network model and a real-time health index calculation module. According to the test method, a loading mode is dynamically adjusted through a real-time health index, an energy recovery strategy is optimized, and life early warning is triggered. The invention breaks through the limitation of the traditional test and provides an integrated solution.

The invention provides a hydraulic control system of an asymmetric hydraulic cylinder, and relates to the technical field of hydraulic control, the hydraulic control system comprises a bidirectional hydraulic pump, a hydraulic motor and an energy accumulator, the bidirectional hydraulic pump is in transmission connection with a first servo motor, and a first oil port and a second oil port of the bidirectional hydraulic pump are connected with a rod cavity and a rodless cavity through a first oil way and a second oil way respectively; a first one-way valve is arranged between the second oil port and the rodless cavity; the hydraulic motor is in transmission connection with the generator which is connected with the electric energy storage unit. The hydraulic motor is connected with the first one-way valve in parallel; the energy accumulator communicates with the first oil way and the second oil way through a second one-way valve and a third one-way valve correspondingly. Four-quadrant seamless switching can be achieved, the structure is simpler, the complexity of a pipeline in a hydraulic system is remarkably reduced, energy collection can be conducted on oil discharged by a rodless cavity, and energy consumption is further reduced.

The invention discloses an energy storage unit, an energy accumulator, an energy storage transmission device and a photovoltaic tracking system, and the energy storage unit comprises an elastic part; an elastic member; the fixing piece is connected with one end of the elastic piece; the driving part is used for being connected with an external load, and the driving part is rotationally matched with the fixing part; the driven piece is connected with the other end of the elastic piece, the driven piece is rotationally matched with the fixed piece, and a switching part is arranged on the driven piece; the first combination part is arranged on the driving part, and the first combination part can be matched with the switching part; the second combination part is arranged on the fixing piece, and the second combination part can be matched with the switching part; in an initial state, the switching part is matched with the first combination part; the conversion part is used for being matched with the second combination part to achieve force storage or energy release of the elastic piece, or the conversion part is matched with the first combination part to achieve deformation of the elastic piece. The device has the advantages of being safe, reliable, high in automation degree, high in practicability, economical and environmentally friendly.

The invention relates to the technical field of data processing, in particular to a PSU pressurization module and a control method thereof, and the PSU pressurization module comprises a data acquisition unit, a dynamic compensation unit, a cooperative control unit, a pressure closed-loop unit and an emergency response unit. The data acquisition unit is used for acquiring an energy accumulator pressure value, an environment temperature value and a braking command signal in real time; the dynamic compensation unit generates a viscosity compensation coefficient through a temperature and viscosity mapping table, and compares the viscosity compensation coefficient with the pressure value to generate a pressure deviation value and a deviation trigger threshold value; the cooperative control unit activates the hydraulic pump based on the pressure deviation value and adjusts the start-stop frequency in combination with the viscosity compensation coefficient; the pressure closed-loop unit adopts double electromagnetic valves to alternately release and supplement oil to inhibit pressure fluctuation; the emergency response unit activates the hydraulic pump and opens the bypass electromagnetic valve to output redundant flow during emergency braking, the technical limitation of an existing hydraulic system in an extreme environment is broken through, and the braking reliability is improved.

The invention discloses a water energy accumulator and ground source heat pump combined control method, relates to the technical field of building environment and equipment engineering, accurately captures a time sequence change rule of a building cold load based on the load prediction capability of a time convolution network, overcomes the defect that a traditional method is insufficient in response to sudden fluctuation, and improves the control efficiency. The system can plan an energy storage strategy in advance; an electricity price-load change rate sensitivity index is introduced, and through an adaptive weight adjustment mechanism, economic operation and load tracking requirements are dynamically balanced, so that strategy stiffness caused by fixed priorities is avoided, and the utilization efficiency of time-of-use electricity price signals is remarkably improved; according to the joint optimization design of the mixed integer linear programming model, the equipment operation constraint and the cost target are comprehensively considered, the collaborative decision of the energy accumulator charging and discharging strategy and the heat pump frequency setting is realized, and the direct energy supply dependence in the midday high electricity price period is effectively reduced.

The invention discloses a refrigeration house refrigerating system, a defrosting control method and device of the refrigeration house refrigerating system and a storage medium. The system comprises a medium-temperature heat accumulator filled with a first phase change material; the low-temperature heat accumulator is connected with the medium-temperature heat accumulator and is internally filled with a second phase-change material of which the phase-change temperature is lower than that of the first phase-change material; an air cooler; the evaporator is respectively connected with the air cooler and the low-temperature heat accumulator through a throttle valve; the defrosting heater abuts against the surface of the evaporator and is connected with the medium-temperature heat accumulator and the low-temperature heat accumulator; one end of the compressor is connected with a heat exchange pipeline of the medium-temperature heat accumulator and the air cooler through a three-way reversing valve, the other end of the compressor is connected with the evaporator, and the low-temperature heat accumulator, the medium-temperature heat accumulator, the solution pump and the defrosting heater sequentially form a loop. By means of the two heat accumulators made of the phase change materials with different phase change temperatures, wide-temperature-range exhaust waste heat of the compressor is absorbed, meanwhile, the evaporator is defrosted in a graded mode through the two stages of heat accumulators, and the energy consumption of the system is reduced.

The invention relates to the technical field of high-altitude wind power generation, in particular to an energy storage device suitable for high-altitude wind power generation, a working method and a system. The energy storage device comprises a track, a movable sliding block is arranged in the track, one end of the sliding block is connected with a motor of the high-altitude wind power generation system through a cable, and the other end of the sliding block is connected with an aerial assembly of the high-altitude wind power generation system through a cable; the energy accumulator comprises a fixed end and a movable end, the fixed end is fixed on the track, and the movable end is fixed on the sliding block; when the aerial assembly does work upwards, the energy accumulator accumulates energy; the energy accumulator releases energy when the aerial assembly is retracted downward. According to the technical scheme, the energy accumulators are arranged on the rails, energy can be stored when the aerial assemblies do work upwards, the stored energy can be released when the aerial assemblies are recycled downwards, and therefore the recycling energy consumption of the aerial assemblies can be greatly reduced.

The invention discloses a double-energy-storage type hydro-pneumatic spring integrated damping suspension hydraulic cylinder and a vehicle. The double-energy-storage type hydro-pneumatic spring integrated damping suspension hydraulic cylinder comprises a mounting cylinder bottom, a suspension cylinder and an energy accumulator. An oil passing channel is formed in the mounting cylinder bottom, and a first communicating opening and two second communicating openings are formed in the mounting cylinder bottom. The suspension cylinder and the energy accumulators are both fixedly installed on the installation cylinder bottom, the two sets of energy accumulators are arranged and located on the two sides of the suspension cylinder in the radial direction respectively, the suspension cylinder and the energy accumulators are communicated with the oil passing channel through the first communication opening and the second communication opening respectively, and the suspension cylinder and the energy accumulators are communicated through the oil passing channel. The problem of pressure loss caused by a lengthy oil way of a traditional suspension system is effectively solved, and internal transmission of the oil way is achieved through integrated installation of the cylinder bottom. The double energy accumulators are symmetrically arranged to form a redundant pressure compensation mechanism, and the pressure stability of the system under the continuous vibration working condition is ensured. The overall structure is compact in design, occupied space is reduced, and the requirement for miniaturization of a suspension system of a special vehicle is met.

The invention discloses a surface scraping type energy storage heat exchanger and a working method thereof, and relates to the technical field of energy accumulators, the surface scraping type energy storage heat exchanger comprises a heat exchanger body and a heat exchanger support, and the heat exchanger body comprises a heat exchanger outer shell, a heat exchanger inner shell, a heat production device, a stirring device, a surface scraping device, a pressurizing device and a protective net; a heat exchange sealed space is formed between the heat exchanger outer shell and the heat exchanger inner shell, a heat transfer working medium inlet and a heat transfer working medium outlet are formed in the heat exchanger outer shell, and a heat conduction medium and a phase change material are contained in the heat exchanger inner shell. The pressurizing device is used for pressing the phase-change material in the solid phase, and the surface scraping device is used for scraping the phase-change material which is attached to the inner wall of the heat exchanger inner shell and becomes the solid phase. The heat transfer efficiency during heat absorption and heat release can be improved, the energy storage efficiency is improved, and the actual use requirement that a heat source is a solid heat flow boundary with a fixed heat load and a fluid temperature boundary with a fixed temperature can be met.

The utility model relates to the technical field of pneumatic control systems, in particular to a single-action pneumatic PST system, which comprises a pneumatic actuating mechanism, a cam valve and an explosion-proof junction box, a valve position transponder is arranged at the front end of the pneumatic actuating mechanism, one end of the cam valve is communicated with a filtering pressure reducing valve, one end of the filtering pressure reducing valve is communicated with a safety valve, and the other end of the filtering pressure reducing valve is communicated with an explosion-proof junction box. And one end of the explosion-proof junction box is connected with a first electromagnetic valve and a second electromagnetic valve respectively. According to the improved single-action pneumatic PST system, the first electromagnetic valve, the hand-operated direction valve and the second electromagnetic valve are adopted, and when the single-action pneumatic PST system is used, flexible control can be conducted when the single-action pneumatic PST system faces complex working conditions and different operation requirements; the explosion-proof junction box and the energy accumulator are adopted, when the single-action pneumatic PST system is used, the electrical safety of the system in a dangerous environment can be guaranteed, meanwhile, the pressure of the system can be kept within a relatively stable range, and the stability of the system during use is improved.

The invention relates to the field of valves, and discloses a multi-channel fluid pressure stabilizing control valve which comprises a pressure stabilizing valve composed of an upper valve body and a lower valve body, the lower valve body is installed at the bottom of the upper valve body, the lower valve body is provided with an input pipe and a plurality of output pipes, a cavity is formed in the lower valve body, the output pipes are communicated with the cavity, and the multi-channel fluid pressure stabilizing control valve further comprises an energy storage groove formed in the top of the lower valve body; the damping holes are formed in the bottom wall of the energy storage groove, the number of the damping holes is the same as that of the output pipes, and the energy storage groove communicates with the cavity through the damping holes. According to the invention, through a mode of combining mechanical feedback and multi-stage energy storage compensation, high-precision pressure stabilization is realized, a diaphragm senses the pressure change of a cavity in real time, a linkage pressure regulating seat regulates the opening degree of a liquid inlet channel, a passive energy accumulator and an active pre-charging energy accumulator work cooperatively, the pressure is quickly absorbed or supplemented, the fluctuation range of the inlet pressure of other channels can be effectively controlled, and the stability of the system is improved. And the pressure of each channel is stabilized at a set value.

The invention provides a coal mill oil way plate and a reversing control device thereof, and relates to the technical field of coal mill oil way plates, the coal mill oil way plate comprises a valve block body, a proportional overflow valve, a duplex electromagnetic reversing valve group, a working oil way group, two hydraulic control one-way valve groups, two energy accumulators, a safety overflow valve, an online particle counter and a spiral cooling flow channel. The redundancy design of the duplex electromagnetic directional valve group improves the reliability of the system, so that the system can still be operated when a single valve fails, the hydraulic control one-way valve group realizes mechanical locking of an oil cylinder and can prevent a grinding roller from falling off during power failure, and the energy accumulator is connected with a working oil duct through a connector to absorb pressure impact and compensate leakage, so that the stability of loading pressure is maintained, and the reliability of the system is improved. The on-line particle counter gives an early warning of oil pollution in real time, hydraulic faults can be reduced, the spiral cooling flow channel is matched with the semiconductor temperature control piece to adjust the oil temperature, and the problem of pressure drift caused by oil viscosity fluctuation under high and low temperature working conditions is solved.

The invention relates to a self-sealing energy accumulator inflation valve for a high-pressure environment and a using method of the self-sealing energy accumulator inflation valve, and belongs to the technical field of inflation valves. The inflation valve comprises a valve body, a first one-way valve and a second one-way valve, an inflation hole, a first placement hole, a first vent hole, a through hole, a second vent hole, a second placement hole and an air inlet hole are sequentially formed in the valve body in a penetrating mode, and the first one-way valve and the second one-way valve are arranged in the first placement hole and the second placement hole respectively. The two opposite one-way valve structures are matched with a mechanical mechanism to open the inflation inlet one-way valve for inflation, external high-pressure fluid is prevented from invading by means of the inflation inlet one-way valve after inflation is completed, and the safety and reliability of the energy accumulator system in the high-pressure fluid environment are improved.

In a method for analyzing an electrical energy storage device, in particular an accumulator or a battery, the energy storage device is electrically connected to at least one consumer and to at least one electrical energy source in an electrical energy supply system. An electrical energy flow into or out of the energy storage device is directly or indirectly measured using a measuring unit, in particular a smart meter, and at least one energy storage device parameter is iteratively determined on the basis of recorded values of the measured energy flow. The energy flow is expressed by the unit energy per time, and an energy profile of the energy flowing into the energy storage device and extracted from the energy storage device is identified from the energy flow by integrating the energy flow over time. The at least one parameter is determined on the basis of the energy profile.

The invention discloses an asymmetric actuator electro-hydraulic control system and method. The asymmetric actuator electro-hydraulic control system comprises an energy supply and storage unit, a hydraulic control unit, a control unit and an asymmetric actuator. The energy supply and storage unit comprises a power battery unit, a high-voltage distributor, a motor controller and a motor generator which are electrically connected in sequence; the hydraulic control unit comprises a main pump motor, a volume compensation pump motor, an electro-hydraulic directional control valve, a holding valve, an oil tank and an energy accumulator, a port A1 of the main pump motor is connected with an oil inlet of the holding valve, an oil outlet of the holding valve is communicated with a port M of a rodless cavity of the asymmetric actuator, and a port B1 of the main pump motor is communicated with a port N of a rod cavity of the asymmetric actuator. The problem of system oscillation caused by the flow difference of the two cavities of the asymmetric actuator is effectively solved. The energy recovery unit can recover potential energy, and the endurance time of equipment is remarkably prolonged. The automatic switching function of the electro-hydraulic reversing valve effectively reduces the response time of the system so as to meet the high-frequency action requirement of engineering machinery.

The invention discloses an energy-saving and efficient RTO incinerator, and belongs to the technical field of industrial waste gas purification equipment. Comprising a furnace body and a combustion module, waste gas is evenly sprayed into an airflow channel by 360 degrees from an air inlet to an insertion type airflow switching valve (or a transverse jet airflow uniform distributor and a vertical curtain slit nozzle), bias flow and hot spots are eliminated, and the utilization rate of a heat accumulator is increased by 30% or above; multi-stage physical mixing of spiral rolling, premixing and secondary afterburning is carried out in the combustion chamber, the VOC removal rate is larger than or equal to 99.9%, and VOClt at an outlet is achieved; 5 mg / Nm < 3 >, COlt; 5 mg / Nm < 3 >; the high-thermal-conductivity honeycomb heat accumulator 27 recovers more than or equal to 97% of sensible heat, new waste gas can be directly preheated during reverse switching, and the energy consumption of the system is reduced by 7%-10%; a rotary swing guide plate and a rotary scraper executing mechanism are used for online dust removal, and the continuous operation period is prolonged to 12-15 months from conventional 3-4 months; in the whole process, homogenization, preheating, combustion and trapping are completed only through physical cooperation of geometry-flow field-thermal field, and no catalyst or adsorbent needs to be added.

The utility model relates to an electro-hydraulic quick-closing gate device which comprises an electro-hydraulic actuator, a guide rod and a gate which are sequentially connected. The electro-hydraulic actuator comprises a hydraulic oil cylinder, a hydraulic oil tank, an electric control box, an energy storage device, a power mechanism, a first reversing mechanism and a fixing support. The first end of the power mechanism is connected with the hydraulic oil tank, the second end of the power mechanism can communicate with the first end of the hydraulic oil cylinder and the second end of the hydraulic oil cylinder, the energy accumulator can communicate with the second end of the hydraulic oil cylinder, and the first reversing mechanism is configured to switch the second end of the hydraulic oil cylinder between communicating the second end of the power mechanism and communicating the energy accumulator. The hydraulic oil cylinder is arranged in the middle of the fixing support, the hydraulic oil tank and the power mechanism are arranged at the first side end of the fixing support, and the accumulator is arranged at the second side end of the fixing support. The electro-hydraulic quick-closing gate device can meet the condition that a gate needs to be closed quickly when rear-end equipment breaks down, meanwhile, the gate can be closed quickly when a system is in a power failure state, and the safety of rear-end process equipment and personnel is ensured.

The invention relates to the field of energy conservation and emission reduction, in particular to a zero-carbon building which comprises a building body, and a heat preservation structure is arranged outside the building body. The carbon dioxide refrigerating and heating system comprises a carbon dioxide system host and a pipeline communicated with the carbon dioxide system host, the carbon dioxide system host is used for converting carbon dioxide, and the pipeline is used for outputting carbon dioxide; the solar cell panel is mounted outside the building main body and supplies power to the host; the heat collector is mounted outside the building main body, so that the carbon dioxide refrigerating and heating system exchanges heat with the outside; the energy accumulator is used for storing heat of the heat collector and / or the carbon dioxide refrigerating and heating system and providing heat for the carbon dioxide refrigerating and heating system; and the energy consumption pieces are all mounted in the building main body and exchange heat with the high-temperature and high-pressure gaseous carbon dioxide or the low-temperature and low-pressure liquid carbon dioxide. The method has the effect of reducing the carbon emission in the daily use process of building facilities.

The utility model relates to the technical field of buffering devices, and provides a buffering device of an electric cylinder tensioning device, which comprises a base. The oil cylinder is arranged on the base in a swinging manner, and the oil cylinder is used for eliminating and buffering the change of the tension force, which is suddenly caused in the running process of the conveyor, after stretching out and drawing back; the connecting piece is provided with a first connecting end and a second connecting end; the first connecting end is communicated with the oil cylinder; the second connecting end of the energy accumulator is communicated with the energy accumulator and used for adjusting the oil pressure in the oil cylinder to be stable. By means of the technical scheme, the problem that in the prior art, an electric cylinder tensioning device can be affected by factors such as conveyor tension change and equipment vibration in the working process is solved.

The utility model relates to the technical field of energy accumulators, and discloses an energy accumulator fastening hoop which comprises an attaching plate, two connecting frames are fixedly connected to the left side face of the attaching plate, two winding shafts are rotationally connected between the two connecting frames, and three fastening pieces are fixedly connected to the outer surfaces of the two winding shafts. According to the energy accumulator fastening hoop, due to the fact that the designed V-shaped forks are connected with the adjusting blocks on the supporting ribs in a sliding mode, the fastening hoop can be flexibly adjusted to adapt to energy accumulators of different sizes, it can be ensured that the attaching plates make close contact with the surfaces of the energy accumulators no matter the diameters of the energy accumulators are large or small, and the problem that applicability is low is effectively solved; the combined design of the winding shaft and the fastening piece is adopted, tightening of the fastening piece can be achieved by synchronously rotating the winding shaft, the energy accumulator is firmly fastened and limited, in addition, the self-locking characteristics of the two-way worm and the worm gear are combined, the fastening piece is effectively prevented from resetting under the counter-acting force, and the fastening stability and reliability are further improved.

The present technology relates to solid polymer electrolyte membranes comprising a heterogeneous mixture of at least two different polymers, one of which is a branched polyether having at least 3 branches. Methods for their manufacture, as well as electrochemical cells, batteries and electrochemical energy accumulators comprising them, and uses thereof are also described.

The utility model discloses an energy-saving high-speed press hydraulic system, and belongs to the technical field of hydraulic systems. Aiming at the problems of low punching speed and high energy consumption of a traditional press hydraulic system, the system provides an energy-saving and efficient scheme integrating servo motor driving, a bag type energy accumulator and multi-stage valve control. The core of the hydraulic system comprises a vertical pushing and lifting oil cylinder, a hydraulic oil pump driven by a servo motor, a Y-shaped meso-position function electro-hydraulic reversing valve, an H-shaped electromagnetic reversing valve, a bag type energy accumulator and an electric valve, wherein the bag type energy accumulator and the electric valve are connected through a bridge type oil pipe. According to the system, energy is stored in the piston rod recovery stage through the energy accumulator, oil is supplied cooperatively with the hydraulic pump during stamping, and high-flow output under low power is achieved. In addition, the safety and the stability of system operation are guaranteed through multi-stage safety valves, pressure sensors and oil filtering / cooling devices on the main oil pipe and the branch oil pipes. According to the design, the punching speed is remarkably increased, energy consumption is reduced, and the device is suitable for intermittent high-speed punching scenes and has high efficiency and energy saving performance.

The utility model belongs to extrusion pin four loop hydraulic technology field, and disclose a kind of extrusion pin four loop hydraulic device, including hydraulic machine spare, the upper surface of hydraulic machine spare is equipped with motor pump group, the surface of hydraulic machine spare is equipped with energy accumulator, the output of motor pump group is equipped with valve group, and the valve group is connected with the hydraulic machine spare, the surface of hydraulic machine spare is equipped with cooling pump group, the valve group with the energy accumulator is connected by pipeline intercommunication, the valve group with the hydraulic machine spare is connected by pipeline intercommunication, the side surface of hydraulic machine spare is equipped with water cooler, the cooling pump group with the water cooler is connected by pipeline intercommunication, the front side of hydraulic machine spare is equipped with liquid level meter, the utility model has can realize four loop processing, avoid unstable pressure and slow response speed and other problems, greatly improve the stability of device when using, the advantages that extrusion pin acting force is uniform.

The invention provides an energy regulation and control method and device of a battery and capacitor composite energy storage pump control system, and relates to the technical field of energy regulation and control of electric engineering machinery, the energy regulation and control device comprises a storage battery, a super capacitor, a direct current converter, a rectification inverter, a permanent magnet synchronous motor, an electric proportional pump motor, an overflow valve, a hydraulic control one-way valve, an energy accumulator and a hydraulic cylinder, a storage battery and a super capacitor form a composite power supply through a direct-current converter, the composite power supply drives a permanent magnet synchronous motor through a rectification inverter and drives an electric proportional pump motor to control a hydraulic cylinder, and by optimizing an energy regulation and control distribution strategy of the composite power supply and combining an energy accumulator, the energy of the hydraulic cylinder is regulated and controlled under the working conditions of starting, braking and high-power fluctuation of engineering machinery. Instantaneous high peak power is preferentially provided or absorbed by the super capacitor, and energy is supplied by the storage battery in a stable working condition. The advantages of high energy density of the battery and high power density of the super capacitor are combined, complex working conditions are effectively handled, stable operation of the system is guaranteed, the service life of the battery is remarkably prolonged, and economical efficiency is improved.

The utility model relates to a kind of slot type solar concentrator hydraulic drive device, including concentrator push-pull oil cylinder and its hydraulic drive system, the oil tank of hydraulic drive system is connected with energy accumulator, concentrator push-pull oil cylinder by motor and pump group unit, high-pressure pipeline, valve control unit, the oil tank is aluminum alloy die-casting oil tank, the aluminum alloy die-casting oil tank upper along with the platform lower surface is sealed, waterproof, dust cover is installed on platform upper portion, platform one side fixed mounting adapter mounting vertical plate, the both sides of waterproof, dust cover are equipped with quick detach buckle, so the connection between dust cover and oil tank is fixed without bolt connection, just press buckle, dust cover can be locked, greatly reduce the work hour amount of disassembly and assembly, improve installation efficiency, save time cost.The utility model is resistant to-40°C low temperature, waterproof and dustproof performance is high, with good protective performance, easy to repair and maintain, can be stable under harsh environment, high precision and high service life.

The invention discloses a flue gas waste heat recovery system and method based on a novel vertical inverted-U-shaped heat pipe heat exchanger, and relates to the technical field of energy recovery. The system comprises a bag-type dust collector, a molecular sieve adsorber, a gas separation membrane assembly, a vertical inverted U-shaped heat pipe heat exchanger, a turbine, a generator and an energy accumulator, wherein the bag-type dust collector, the molecular sieve adsorber, the gas separation membrane assembly, the vertical inverted U-shaped heat pipe heat exchanger and the turbine are connected in sequence; and the turbine is respectively connected with the generator and the energy accumulator. Through core equipment innovation, multi-technology cooperation and intelligent control, an efficient, stable and environment-friendly flue gas waste heat recovery system is constructed, and a breakthrough solution is provided for industrial energy conservation and emission reduction.

The invention discloses a suspension control system and a vehicle with the same, the suspension control system comprises a cylinder body, a piston, a driving pump and an energy accumulator, and a hydraulic cavity is formed in the cylinder body; the piston is movably arranged in the hydraulic cavity and divides the hydraulic cavity into a first cavity body and a second cavity body; the driving pump is provided with a first oil port and a second oil port, the first oil port and the second oil port communicate with the first cavity and the second cavity correspondingly, and the driving pump is suitable for driving a medium to flow between the first oil port and the second oil port; four branches are arranged between the cylinder body and the driving pump for communication; an energy storage cavity is formed in the energy accumulator and communicates with the third branch and the fourth branch so as to selectively supplement media to the third branch and / or the fourth branch or store media in the third branch and / or the fourth branch. The suspension control system designed according to the invention can be matched with large power requirements, and can meet the power output requirements of the suspension control system more quickly.

The invention discloses a graded precise control hydraulic energy storage device, a combined type hydraulic energy storage system and an energy storage method.The graded precise control hydraulic energy storage device comprises a wave energy collecting assembly and a pressure graded conveying energy storage assembly; the pressure grading conveying energy storage assembly comprises a plurality of pressure switches with different starting pressures, a plurality of energy accumulators with different energy storage pressures and a plurality of conveying channels, each energy accumulator is connected with the wave energy collecting assembly through an independent conveying channel, and each conveying channel is provided with one pressure switch; the pressure switch is switched on when the pressure of the water flow is greater than the starting pressure; the multiple energy accumulators comprise the elastic energy accumulator and the heavy-load energy accumulator, the energy storage pressure of the heavy-load energy accumulator is larger than that of the elastic energy accumulator, wave energy of different pressures is stored, and the energy storage limit capacity is sufficient.

A system and method of using accumulator(s) to generate electrical power in a marine environment. The system includes a first power source coupled to an electric machine coupled to a hydraulic pump coupled to an accumulator. The first power source is a power supply operable to convert AC to DC, and the accumulator is a high-capacity hydraulic energy storage device. The electric machine configured to operate as an electric motor driving the hydraulic pump in a first direction charges the accumulator. The charged accumulator configured to drive the hydraulic pump in a second direction driving the electric machine configured to operate as an electric generator to generate a second power source. The hydraulic / electric power system also includes a first controller configured to operate a first electrical load powered by the first power source and a second controller configured to operate a second electrical load powered by the second power source.

The invention discloses a gas-steam combined cycle system with bypass waste heat recovery and a control method thereof. The gas-steam combined cycle system comprises a gas turbine, a waste heat boiler, a steam turbine (comprising a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder) and a condenser, and is additionally provided with a bypass waste heat recovery device. The device is formed by sequentially connecting a low-pressure bypass cooler, a medium-pressure bypass cooler, an ejector, a gas-liquid separator, a gas compressor and a waste heat recovery heat exchanger, the heat absorption sides of the coolers are connected in parallel and then communicated with an inlet of the ejector, and a gas-phase working medium separated by the gas-liquid separator is pressurized by the gas compressor and then enters the waste heat recovery heat exchanger to release heat; the liquid-phase working medium returns to the cooler to form circulation, and the waste heat recovery heat exchanger and the energy accumulator are coupled to store heat. The bypass steam heat is efficiently recovered and stored in the energy accumulator in the start-stop stage of the unit, so that the gas consumption of the unit is remarkably reduced, and the comprehensive utilization efficiency of energy is improved.