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1606 results about "Energy recycling" patented technology

Energy recycling is the energy recovery process of utilizing energy that would normally be wasted, usually by converting it into electricity or thermal energy. Undertaken at manufacturing facilities, power plants, and large institutions such as hospitals and universities, it significantly increases efficiency, thereby reducing energy costs and greenhouse gas pollution simultaneously. The process is noted for its potential to mitigate global warming profitably. This work is usually done in the form of combined heat and power (also called cogeneration) or waste heat recovery.

Energy dispatching system of high-power liquid cooling charging pile

An energy scheduling system of a high-power liquid cooling charging pile belongs to the technical field of liquid cooling charging piles, and comprises a power scheduling module, a liquid cooling management module, a data acquisition and monitoring module, an energy storage and energy recovery module, a communication and interaction module, an intelligent scheduling module and a remote management and analysis module. Through the intelligent scheduling and energy optimization technology, power distribution can be adjusted in real time according to the vehicle demand and the power grid state, overload is avoided, and the charging efficiency is improved; and secondly, an advanced liquid cooling management technology is adopted, and temperature monitoring and cooling liquid flow rate adjustment are combined, so that heat balance and stable operation of the equipment under a high-load condition are ensured, the service life of the equipment is prolonged, and energy waste is reduced. In addition, the system can store redundant electric energy and release the electric energy in the peak load period of the power grid through the energy storage and energy recovery module, so that the power grid pressure is effectively reduced, and the energy utilization rate is also improved.
Owner:HANGZHOU ONLY POWER SUPPLY EQUIP CO LTD

Lithium battery hybrid power motorcycle performance improvement control strategy generation method

The invention provides a lithium battery hybrid power motorcycle performance improvement control strategy generation method, which comprises the steps that vehicle driving states comprise a sliding state and a braking state, if the current vehicle is in the sliding state, a preset sliding energy recovery mode is activated, and if the current vehicle is in the braking state, a preset braking energy recovery mode is activated; different energy recovery strategies are combined and optimized according to the subdivision result of the energy recovery strategies in the sliding state and the braking state, and the vehicle speed, the battery charging state and the energy recovery potential value parameters are input to obtain a target energy recovery strategy combination scheme; the intention of acceleration, deceleration or constant speed of a driver is judged according to the operation characteristics of an accelerator and a brake, the operation characteristics refer to the force of stepping on an accelerator pedal and a brake pedal, and the driver intention obtained through judgment serves as the basis for dynamic adjustment of the energy recovery strategy.
Owner:GUANGZHOU HAOJIN MOTORCYCLE GRP

Multi-mode energy recovery optimization control system of hybrid electric vehicle

The invention discloses a multi-mode energy recovery optimization control system of a hybrid electric vehicle, and relates to the technical field of energy recovery control. The state sensing module is integrated with a sensor to collect vehicle speed, acceleration, battery state and road condition signals, and data accuracy is ensured through Kalman filtering fusion; the driving mode recognition module is used for recognizing modes such as urban congestion and high-speed cruise through an algorithm based on driving behaviors and road conditions; the energy recovery strategy decision module is used for dynamically adjusting recovery priorities and parameters according to different modes, and balancing efficiency and smoothness; the power distribution execution module converts and stores energy through cooperative control of double clutches and a gearbox, and is linked with an ABS (Anti-lock Brake System) to guarantee safety; and the feedback module is optimized in real time, battery and motor states are monitored, strategies are dynamically corrected, and efficiency and component protection are both considered. The energy recovery efficiency is improved, the driving smoothness and the braking safety are improved, the system adapts to multiple scenes, the service life of the battery is prolonged, and the performance of the hybrid electric vehicle is comprehensively improved.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG

Hydrogen cooling superconducting flywheel composite energy storage system

The invention discloses a hydrogen cooling superconductive flywheel composite energy storage system, which relates to the technical field of new energy storage and comprises a superconductive flywheel energy storage module, a lithium battery energy storage module, a power conversion module, an intelligent control module, a cooling sub-module and a hydrogen energy recovery module, by combining the quick response characteristic of the superconducting flywheel and the high energy density of the lithium battery, the superconducting flywheel can realize quick energy storage and release by utilizing the friction-free characteristic of the superconducting flywheel, a cooling sub-module and a hydrogen energy recovery module are used, the cooling requirement of the superconducting flywheel is ensured, and meanwhile, energy recovery can be carried out; by utilizing the characteristic of high energy density of the hydrogen battery, the energy storage capacity of the composite energy storage system is further improved, and the limitation of a single energy storage technology on power density and energy density can be effectively solved through the hybrid energy storage system; and more reliable and efficient energy storage support is provided for the fields of power grid peak regulation, renewable energy source grid connection, electric automobiles and the like.
Owner:刘文杰

Energy-saving control method and system for electric wheel dump truck based on braking energy recovery

The invention discloses an electric wheel dumper energy-saving control method and system based on braking energy recovery, and relates to the field of electric vehicle energy-saving control, and the method comprises the steps: calculating an energy fluctuation value through collecting wheel rotation speed deceleration, building a cross-cycle energy accumulation curve, and generating an energy prediction feature map; establishing a double-loop energy mapping relation according to the energy prediction feature map, dividing the double-loop energy mapping relation into a quick response path and an optimization calculation path, and outputting a time-sharing braking strategy; the torque switching process is compensated, and a smooth braking instruction is output; generating a segmented charging power curve in combination with the maximum allowable charging power; carrying out segmented adjustment on the charging current to generate a charging control signal and calculating real-time charging conversion efficiency; and the charging conversion efficiency value is distributed to the dual paths according to the time weight, and the time-sharing braking strategy is adjusted. By establishing a double-loop control strategy of braking energy prediction and charging efficiency optimization, the energy recovery efficiency is improved, and collaborative optimization of the braking and charging processes is realized.
Owner:XIANGTAN KAIYUAN ELECTROMECHANICAL MFG CO LTD

Operation control method and system of hybrid power mine car

The invention relates to the technical field of hybrid power mine cars, and discloses an operation control method and system for a hybrid power mine car, and the method comprises the steps: obtaining battery SOC data of the mine car in real time, and comparing the battery SOC data with a preset SOC working interval, so as to execute a corresponding range extender control instruction; acquiring various working condition parameter data of the mine car in real time to determine the current mine car working condition; determining required generated power according to the working condition of the mine car, and dividing the required generated power into charging required power and driving required power based on a preset distribution strategy; an energy recovery strategy is executed based on a brake signal of a mine car detected by a brake sensor so as to improve the energy utilization efficiency. Through intelligent management of the SOC of the battery, the service life of the battery is prolonged, and the safety of the battery is improved; a braking energy recovery mechanism is applied, so that the energy utilization efficiency is enhanced; and through a power distribution strategy based on working conditions, the operation performance of the vehicle is improved.
Owner:LINGONG GROUP (JINAN) HEAVY MACHINERY CO LTD

Double-variable power source hydraulic system of movable arm of electric loader and control method

The invention discloses a double-variable power source hydraulic system of a movable arm of an electric loader and a control method, and belongs to the technical field of energy conservation of electric engineering machinery. The hydraulic system is structurally characterized in that a permanent magnet synchronous servo motor and an electro-hydraulic proportional variable device form a double-variable power source direct drive arm hydraulic cylinder; the one-way valve achieves oil cylinder and motor oil supplementing and flow reappearing functions according to the working condition of a hydraulic cylinder, the direct-acting overflow valve achieves overflow protection of a hydraulic system, and the two-position two-way electromagnetic directional valve achieves the pressure maintaining function of the hydraulic cylinder. According to the control method of the hydraulic system configuration, an upper computer outputs a target instruction to a double-variable parameter optimization controller, then the double-variable parameter optimization controller outputs an optimization rotating speed or displacement signal to a motor pump set, and a pump outlet pressure sensor feeds back a pressure signal to achieve a pressure closed loop. The energy recovery function can be effectively achieved in the aspect of configuration, the energy efficiency characteristic of a power source can be greatly improved in the aspect of a control method, and the endurance time of the electric loader is effectively prolonged.
Owner:YANSHAN UNIV

Fuel cell integrated with heat pump energy recovery system, and energy recovery control method

Disclosed in the present invention are a fuel cell integrated with a heat pump energy recovery system, and an energy recovery control method. The main features are that: a heat pump system is arranged between a cooling system and an air supply system, and after absorbing waste heat in the cooling system, the heat pump system heats exhaust tail gas discharged by a cell stack module, so as to increase the temperature of exhaust tail gas entering an expander, thereby improving the energy recovery efficiency of the expander. The heat pump system has a simple structure, and an energy recovery strategy is reasonable, thereby greatly simplifying the structure of the energy recovery system of the fuel cell, reducing manufacturing costs, and eliminating the risk of temperature runaway.
Owner:BROAD OCEAN MOTOR FUEL CELL TECH (ZHONGSHAN) CO LTD

Vehicle energy recovery control method and device, medium and vehicle

The embodiment of the invention provides a vehicle energy recovery control method and device, a medium and a vehicle, and relates to the technical field of brake control. The method comprises the steps that a braking request of a target vehicle is responded, and current braking judgment parameters of the target vehicle are obtained; under the condition that it is determined that the target vehicle meets the preset energy recovery condition based on the current braking judgment parameters, the vehicle operation parameters are input into an intelligent decision-making model, and a braking force distribution strategy result is obtained; based on the braking force distribution strategy result, braking control is conducted on a motor control system and a braking system; the motor control system is used for providing regenerative braking force and generating recovery energy suitable for supplementing energy to the power battery. According to the embodiment of the invention, the vehicle operation parameters collected in real time are input into the self-adaptive adjustment intelligent decision-making model, and the braking force distribution strategy suitable for the current operation condition can be output, so that the accuracy and adaptability of braking force distribution are effectively improved.
Owner:CHINA FAW CO LTD

Bidirectional DC-DC energy feedback system based on multi-source integration and control method thereof

The invention provides a bidirectional DC-DC energy feedback system based on multi-source integration and a control method thereof, and relates to the technical field of energy recovery. The system comprises an input source module used for obtaining multiple input sources; the bidirectional DC-DC power conversion module is adaptively connected to the input source module and the energy storage power grid interface module so as to realize bidirectional controllable transmission of energy; the multi-source energy management module is used for being adaptively connected with the control unit, inputting real-time data acquired by the sensor network into the AI optimization unit for dynamic parameter adjustment and then transmitting the real-time data to the control unit; the control unit is integrated with a digital signal processor DSP and an FPGA; the DSP is used for executing a dynamic control strategy; the FPGA is used for generating a high-frequency PWM driving signal; and the energy storage power grid interface module is used for realizing standardized power interaction between load ends. The energy utilization efficiency can be improved, harmonic pollution can be reduced, the dynamic response capability can be enhanced, and the method is suitable for new energy automobile braking energy recovery, renewable energy source storage and industrial test equipment scenes.
Owner:HUAQIAO UNIVERSITY

Range extender control method, device and equipment of vehicle and storage medium

The invention relates to the technical field of vehicle range extending control, and discloses a vehicle range extender control method, device and equipment and a storage medium, and the method comprises the steps: obtaining the road section information of each segment of the vehicle in the remaining driving road section; based on the road section information, the required electricity consumption of the vehicle in each section and the total energy recovery electricity quantity corresponding to the remaining driving road sections are obtained; if the sum of the required electricity consumption of the slope section is larger than the total energy recovery electricity quantity, the basic power generation level of at least part of the road sections is increased in the remaining driving road sections to obtain a target power generation level, and a range extender of the vehicle is controlled to generate power based on the target power generation level; wherein the basic power generation level is determined through a preset power generation strategy. Therefore, when the energy recovery electric quantity cannot balance the electricity consumption of the slope section, more electricity is generated in the whole road section by improving the electricity generation level, the whole-course electricity demand is further guaranteed, and the situation that the vehicle generates a large amount of electricity on the uphill road section, and consequently the vehicle NVH performance is poor is avoided.
Owner:CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD

Sliding energy recovery control method and system, vehicle and readable storage medium

The invention discloses a sliding energy recovery control method and system, a vehicle and a readable storage medium, and belongs to the technical field of automobiles. The method comprises the steps that preset parameters and effective acceleration of a target vehicle are obtained; according to preset parameters and the effective acceleration, estimation processing is carried out through a vehicle mass estimation model; judging whether at least one effective mass exists in a preset duration or not, and if the at least one effective mass exists in the preset duration, calculating a mass estimation value of the target vehicle; based on the mass estimation value and a preset target deceleration, determining a feedback torque of the driving motor; determining the maximum feedback torque allowed by the battery according to the battery parameters; the maximum feedback torque allowed by the motor is determined according to the parameters of the driving motor, the final feedback torque of the motor is determined according to the feedback torque of the driving motor, the maximum feedback torque allowed by the battery and the maximum feedback torque allowed by the motor, and sliding energy recovery is carried out, and the purpose that the target vehicle has relatively consistent deceleration under different loads can be achieved.
Owner:JIANGLING MOTORS

Retarding braking method and device, vehicle control unit and vehicle

The invention provides a retarding braking method and device, a vehicle control unit and a vehicle, and can be applied to the technical field of vehicle braking. The method comprises the steps that under the condition that it is determined that a vehicle enters a long downhill working condition, driving data of the vehicle are collected; determining a required braking force required by the vehicle based on the driving data; based on the battery SOC of the vehicle, a corresponding retarding braking strategy is determined and executed; wherein the retarding braking strategy is used for distributing respective target braking force of an electric driving system and a hydraulic retarding system in the vehicle, so that the braking force output by the vehicle is consistent with the required braking force. The corresponding retarding braking strategy is executed according to the SOC condition of the battery of the vehicle, the braking force of the electric driving system and the braking force of the hydraulic retarding system in the vehicle are dynamically distributed, and the energy recovery efficiency and the braking safety performance of the vehicle are both considered.
Owner:HUNAN XINGBIDA NETLINK TECH CO LTD

Vehicle circuit system with reverse charging function

The invention relates to the technical field of automobile charging, and particularly discloses a vehicle circuit system with a reverse charging function, comprising a main battery pack; the bidirectional inverter is electrically connected to the main battery pack and is configured to convert external alternating current into direct current to charge the main battery pack in a charging mode and convert the direct current of the main battery pack into alternating current to be output in a discharging mode; the charging control module is connected to the output end of the bidirectional inverter and used for processing input / output electric energy of different specifications; the multifunctional output interface comprises at least one alternating current interface and a direct current interface; and the system control unit, the integrated current detection module, the temperature monitoring module and the fault diagnosis module are respectively in communication connection with the bidirectional inverter, the charging control module and the output interface through a CAN bus. The vehicle power battery can reversely supply power to external equipment or other vehicles, meanwhile, the conventional charging function and the energy recycling function are compatible, and the method is suitable for new energy vehicles, hybrid electric vehicles and other scenes.
Owner:GUANGDONG HULI TECH CO LTD

System and method for classified sewage treatment

The invention discloses a system and a method for classified sewage treatment, and belongs to the technical field of environmental engineering and water treatment. The system comprises the following components: an intelligent water quality detection module, which is used for real-time and accurate monitoring of COD, BOD, ammonia nitrogen, total phosphorus, suspended matter concentration and heavy metal content; the sectional bioreactor realizes deep removal of nitrogen and phosphorus and efficient biological treatment by flexibly adjusting reaction conditions of each section; the intelligent flocculation control module is used for automatically and accurately adjusting the adding amount of a flocculating agent, and is combined with integrated operation of efficient inclined tube precipitation and sludge concentration, so that the water quality of discharged water is stable, and the medicament consumption is reduced; the ultrafiltration membrane bioreactor effectively removes residual suspended matters and colloids, and ensures that the effluent stably reaches the standard for a long time through the synergistic effect of catalytic ozonation; and the sludge treatment module is used for realizing collaborative optimization management of sludge reduction, recycling and energy recycling.
Owner:HEBEI BOTOU WATER CO LTD

Isolated switching converter with energy recycling and control method thereof

A control circuit for an isolated switching converter having a transformer with a primary winding and a secondary winding, a primary switch, a secondary switch and an energy recycle branch. The energy recycle branch has a clamp capacitor, an auxiliary switch and a first resistor connected in series between a first terminal and a second terminal of the primary winding. The auxiliary switch has a first electrode coupled to the clamp capacitor and a second electrode coupled to the first resistor. The control circuit decreases a voltage difference between a control electrode and the second electrode of the auxiliary switch during a discharging process of the clamp capacitor based on a current sense signal representative of a current flowing through the energy recycle branch.
Owner:CHENGDU MONOLITHIC POWER SYST

Continuous hot-pressing equipment for producing three-in-one outdoor jacket

The invention provides continuous hot-pressing equipment for producing a three-in-one outdoor jacket, which belongs to the technical field of outdoor jacket production and comprises a preheating conveying mechanism, a hot-pressing mechanism and a waste heat recovery mechanism. The preheating conveying mechanism pre-irons the outdoor jacket through a conveying belt and a high-temperature roller, and is matched with the airflow clothes opening assembly to automatically separate clothes bodies through upper and lower air suction nozzles and sleeve the clothes bodies to a clothes body opening rod, so that automatic operation is realized; the hot-pressing mechanism completes the compounding of multiple layers of materials through a hot-pressing plate with precise temperature control and an electric air cylinder; the waste heat recovery mechanism collects 180 DEG C hot air generated by hot pressing, heat is transferred to the roller through the water tank and the heat conducting plate, and energy recycling is achieved. The problems that in the prior art, an integral hot pressing plate is high in energy consumption, heat distribution is not flexible, waste gas is directly discharged, and manual sleeving efficiency is low are solved.
Owner:JIANGSU YIWEI CLOTHING TECH CO LTD

Automobile start-stop system management method based on intelligent control

The invention relates to the technical field of automobile power system control, in particular to an automobile start-stop system management method based on intelligent control, which comprises the following steps: S1, a multi-mode environment sensing system; s2, a deep reinforcement learning decision framework; s3, hierarchical cooperative control execution; s4, a real-time health assessment system; s5, a cloud collaborative optimization mechanism; through intelligent start-stop strategy optimization and energy recovery management, under the urban congestion working condition, compared with a traditional start-stop system, the method can further reduce oil consumption by 15-20%; and under the comprehensive working condition, the oil consumption can be reduced by 8-12%. The fuel consumption cost of the vehicle is reduced, the development trend of global energy conservation and emission reduction is also met, and important economic and environmental significance is achieved.
Owner:HUBEI FENGLIN RENEWAL RESOURCE CO LTD

Energy-saving waste incineration flue gas purification device and purification process

The invention discloses an energy-saving type waste incineration flue gas purification device and a purification process. According to the energy-saving type waste incineration flue gas purification device, through combination of the incinerator, the waste heat boiler, the dust removal device, the SCR device, the GGH device and the like, multi-stage purification and energy recovery of flue gas are achieved. And through the arrangement of the dry method device and the SNCR device in the furnace, preliminary deacidification and denitration can be conducted in the incineration process, and the burden of follow-up treatment is reduced. The condensation heat exchanger is introduced, so that sensible heat and latent heat in the flue gas are further utilized, the energy utilization efficiency is improved, and the energy consumption is reduced. According to the invention, the contradiction between heating for denitration and cooling for deacidification is solved, the waste heat of the flue gas is recovered, and heat is transferred to the SCR in a coupling manner; pollutants are efficiently removed, ultralow emission is achieved, latent heat and sensible heat of flue gas are fully utilized, and the energy utilization rate is effectively increased.
Owner:HALO ZHICHUANG ENVIRONMENTAL PROTECTION EQUIPMENT (JIANGSU) CO LTD +1

Elevator no-load energy recovery energy-saving damping device

The invention discloses an elevator no-load energy recovery energy-saving damping device, and belongs to the technical field of elevator energy saving and damping, the elevator no-load energy recovery energy-saving damping device comprises a main body frame assembly, an elevator car structure and a self-adaptive adjusting mechanism, the elevator car structure is arranged in the main body frame assembly, and the self-adaptive adjusting mechanism is arranged on the main body frame assembly. Through the arrangement of the main body frame assembly, the elevator car structure and the self-adaptive adjusting mechanism, friction force borne by an elevator in the running process is effectively reduced, it is guaranteed that the elevator is stable in the running process, and meanwhile the service life of the elevator is prolonged. A frequency converter, a regenerated energy detection device, an energy feedback device, a super capacitor and other existing devices on the market at present can be additionally arranged at the position of a power source of the elevator, redundant energy generated when the elevator is unloaded is recycled, converted and stored, energy waste is avoided, energy saving is effectively achieved, and the cost is reduced. The problems that an elevator used in the market at present can cause energy waste during no-load operation and can generate vibration during operation are effectively solved.
Owner:TIBET YUEDA NEW ENERGY CO LTD

Solar charging battery car

The solar charging battery car comprises a car body, a car frame, a front wheel, a rear wheel, a seat, a driving motor, an energy storage system, a control system and a stand column, a first photovoltaic panel and a second photovoltaic panel are symmetrically and fixedly installed on the left side and the right side of the stand column at the front end of the car body, and the included angle between the installation face of the first photovoltaic panel and the installation face of the second photovoltaic panel and the advancing direction of the car body is 30-60 degrees; a self-cleaning nano coating covers the surface, and the light transmittance is greater than or equal to 90%; a storage box is arranged at the front end of the vehicle body, the top of the storage box is movably connected with a third photovoltaic panel through a hinge, and an adjustable angle of 0-180 degrees is formed between the third photovoltaic panel and the plane of the top of the storage box when the third photovoltaic panel is unfolded. Therefore, the solar charging battery car adopts multi-photovoltaic-panel three-dimensional layout and dynamic adjustment, the unfolded power generation area is larger than or equal to 1.5 m < 2 >, a self-cleaning coating is arranged, the power generation efficiency is high, the super capacitor and the main battery are managed in a grading mode, the endurance is prolonged by combining downhill energy recovery, the photovoltaic panels are folded during driving, the width of the whole car is smaller than or equal to 45 cm, the whole car meets the standard, and the solar charging battery car has the characteristics of IP67 water resistance and the like and is suitable for outdoors.
Owner:林庆仁

Compressed air energy storage underground chamber waste heat and waste cold utilization system

The invention discloses a compressed air energy storage underground chamber waste heat and waste cold utilization system which comprises a chamber structure, an inflation and deflation mechanism, a heat exchange mechanism and an energy recycling mechanism, a closed air storage cavity is formed in the chamber structure, and an air inlet and outlet communicated with the air storage cavity is formed in the chamber structure; the inflating and deflating mechanism comprises an air pipe; the heat exchange mechanism comprises a liquid storage tank and a heat exchange assembly, and heat conduction liquid is contained in the liquid storage tank. The device has the beneficial effects that through the uniform air distribution design of the air pipes, the uniformity of the inflation and deflation process is ensured, and the risk of concrete lining cracking caused by local temperature difference is reduced. Through cooperative work of the heat exchange mechanism and the energy recycling mechanism, waste heat generated in the inflation process and waste cold generated in the deflation process are effectively recycled and utilized, so that on one hand, energy waste is reduced, the overall energy efficiency of the system is improved, and on the other hand, the energy storage potential of the chamber can be improved.
Owner:CHINA UNIV OF MINING & TECH +1

Method for supplying hydrogen produced by methanol reforming to fuel cell for power generation

The invention relates to the technical field of hydrogen power generation, and provides a method for supplying hydrogen produced by methanol reforming to a fuel cell for power generation, which comprises the following steps: a, a methanol raw material conveying step; b, a methanol heat and material flow matching step; c, methanol reforming hydrogen production; d, hydrogen power generation; e, a hydrogen production system heat recovery step; f, transferring heat by the heat pump device; and g, tail gas feedback control. The system has the beneficial effects of efficient energy conversion, heat coupling integrated optimization, energy recycling, control optimization, equipment collaborative operation and the like. By means of the method, the efficiency and sustainability of the fuel cell power generation system can be improved, and application of clean energy and environmental protection are promoted.
Owner:SUZHOU KANGLIAN NEW ENERGY TECHNOLOGY CO LTD

Control method of cooperative energy feedback suspension system

The invention discloses a control method of a cooperative energy feedback suspension system, and belongs to the technical field of vehicle suspension systems, and the control method comprises the following steps: S01, information acquisition; s02, road condition judgment; s03, performing disconnection control on the stabilizer bar; s04, connecting and controlling the stabilizer bar; s05, energy recovery and output control; s06, carrying out smoothness control; and S07, performing dynamic adjustment. The method has the beneficial effects that by intelligently judging the vehicle driving state and the road condition, connection and disconnection of the active stabilizer bar and energy recovery and output strategies of the shock absorber and the active stabilizer bar are flexibly controlled according to different working conditions. Under various complex working conditions such as turning, hollowing and bumping, the system can efficiently recover energy, the application range of energy recovery is remarkably expanded, the total energy recovery amount is increased, then the endurance mileage of a battery is prolonged, and the problems that in the prior art, the energy recovery efficiency is low, and the application range is limited are solved.
Owner:CHANGZHOU INST OF TECH

Energy recovery system for a fuel cell vehicle and related control method

Vehicle comprising a propulsion system (1) provided with at least one electric machine (2), energy accumulator means (3) and a fuel cell module (4), the at least one electric machine (2), the energy accumulator means (3) and the fuel cell module (4) being electrically connected together, the vehicle further comprising a main tank (6) for storing hydrogen at a first pressure value, the main tank (6) being fluidly connected to the fuel cell module (4) via a first conduit (A), the vehicle further comprising an energy recover system (8) configured to be electrically connected to the electric machine (2) and produce hydrogen for the fuel cell module (4) when the electric machine (2) acts as generator.
Owner:IVECO FRANCE SAS

Natural gas pressure energy power generation and pressure regulation device and method

The invention belongs to the technical field of natural gas pressure energy recycling, and provides a natural gas pressure energy power generation and pressure regulation device and method.The device comprises a main pipeline which is sequentially provided with a control valve, a heat exchange unit, a first pressure regulation unit and a second pressure regulation unit, and the first pressure regulation unit comprises a first pressure regulation module and an expansion machine which are sequentially connected; the first pressure regulating module is used for regulating the natural gas pressure and flow of the main pipeline before expansion power generation; and the second pressure regulating unit is used for regulating the pressure of the natural gas after expansion power generation and monitoring the temperature of the natural gas after expansion power generation. By using the heat exchange unit, the pipeline can be preheated before the expansion machine generates power, so that natural gas quickly achieves power generation, and the power generation efficiency is improved; by using the heat exchange bypass, the flow of the heat exchange bypass can be adjusted according to the temperature before expansion and the temperature after expansion, so that the conditions that the temperature of natural gas before expansion is too low and the main pipeline is frosted and frozen are dealt with.
Owner:PETROCHINA CO LTD

Urban waste recycling system and method

The invention discloses an urban waste recycling system and method, and relates to the technical field of environmental protection and resource reutilization, and the method comprises the steps of waste centralized collection, filtration, waste liquid circulation, sorting, physical recovery, chemical recovery, biotransformation, energy recovery, material restoration and special resource recovery. The waste centralized collection is connected with the filtration; the filter is respectively connected with the waste liquid circulation and the sorting; sorting is connected with physical recycling, chemical recycling, biological conversion, energy recycling, material repairing and special resource recycling, and the method integrates the sorting technology, the physical recycling method, the chemical recycling process and the biological conversion process, so that valuable substances in urban waste can be efficiently separated out and reused; the raw materials can be converted into high-quality raw materials and enter a production cycle again, so that the resource recovery rate is increased, the quality and market value of the recovered materials are improved, and sustainable utilization of resources is promoted.
Owner:GUANGZHOU QIAOYIN ENVIRONMENTAL PROTECTION TECH

Heat pump unit with energy recovery function

The invention discloses a heat pump unit with an energy recovery function, and belongs to the technical field of heat pumps, the heat pump unit comprises a machine shell, a heat circulation mechanism, a fan, a condensation box and a waste heat recovery box are arranged in the machine shell, and a circulation conveying mechanism and a driving mechanism are arranged on one side of the waste heat recovery box; the circulating conveying mechanism comprises a compression box and a piston plate; the driving mechanism comprises a driving motor, a driving shaft, a guide rail and a rotating shaft. By integrating the heat circulation mechanism, the waste heat recycling box and the circulation conveying mechanism, the energy utilization efficiency is remarkably improved, in the operation process of the heat pump unit, the compressor compresses a low-temperature and low-pressure gas-state refrigerant into high-temperature and high-pressure gas, the condenser transmits heat to water in the condensation box, and therefore the heat pump unit is cooled. Meanwhile, a waste heat recovery box further recovers residual heat of the refrigerant, gradient utilization of energy is achieved, a fan enhances air circulation and improves heat exchange efficiency, and a temperature sensor and a controller dynamically adjust system operation parameters to ensure that the temperature of hot water is stable.
Owner:JIANGSU KECHENG ENERGY SAVING TECH CO LTD

Energy recovery control method and device, vehicle and storage medium

The invention provides an energy recovery control method and device, a vehicle and a storage medium. According to the method, when a target vehicle is braked, energy is recycled through a front wheel driving motor, and recycled electric quantity is obtained. And when the recycled electric quantity is greater than the first target electric quantity, charging the first electric quantity in the recycled electric quantity into the high-voltage battery through the first line, and storing the electric energy of the second electric quantity in the recycled electric quantity into an energy storage device in the rear wheel driving motor through the second line. Namely, the front wheel driving motor is used for energy recovery, and the rear wheel driving motor is used for temporary energy storage. Therefore, when the high-voltage battery cannot accommodate the recycled electric quantity, the electric energy of the rest electric quantity can be recycled through the rear wheel driving motor, so that the recycled electric quantity is fully absorbed. Therefore, when the vehicle is braked, heat energy originally generated by kinetic energy can be converted into electric energy, and abrasion to the brake disc is reduced. In addition, when the recycled electric quantity is large, the recycled electric quantity is absorbed as much as possible, the target vehicle can be assisted in braking rapidly, and the braking efficiency is improved.
Owner:GREAT WALL MOTOR CO LTD

Energy storage device, injection molding machine and working method of injection molding machine

The invention belongs to the technical field of energy recycling of vertical injection molding machines, and discloses an energy storage device, an injection molding machine and a working method of the injection molding machine. The energy storage device is used for energy storage of the injection molding machine and comprises an energy storage unit and an oil supply unit, the energy storage unit comprises an energy storage tank and a first control valve, the oil supply unit comprises an oil tank, the energy storage tank is communicated with the first control valve, and the first control valve is communicated with a rodless cavity of a hydraulic oil cylinder of the injection molding machine. The oil tank can be selectively communicated with or not communicated with the rodless cavity and the rod cavity of the hydraulic oil cylinder, during mold closing, the oil supply unit supplies oil to the rod cavity, so that the pressure in the rod cavity is increased, the first control valve is opened at the moment, and hydraulic oil in the rodless cavity enters the energy storage tank after passing through the first control valve; and when the mold is opened, the rod cavity discharges oil, the first control valve is opened, and high-pressure hydraulic oil in the energy storage tank enters the rodless cavity, so that the movable mold plate is jacked up, and the mold opening operation is completed.
Owner:YIZUMI PRECISION MASCH SUZHOU CO LTD