33results about How to "Realize green transportation" patented technology

The invention relates to metal hydrogen storage material hydrogen energy hot pressing acting device which comprises an expander, an electric generator, an air energy hot pressing unit, a hydrogen heatexchanger and a hydrogen circulation pump. The expander is in shaft connection with the electric generator, the air energy hot pressing unit is a hydrogen reaction bed air energy system or a hot pressing tank air energy system, the air energy hot pressing unit sequentially passes through pipe passes of the hydrogen circulation pump and the hydrogen heat exchanger in sequence through a nitrogen pipeline to be connected to an inlet of the expander, an outlet of the expander is connected to the air energy hot pressing unit, a heat exchange outlet of the air energy hot pressing unit is connectedto a shell pass inlet of the hydrogen heat exchanger through a heat exchange pipeline, and a shell pass outlet of the hydrogen heat exchanger is connected to a heat exchange inlet of the air energy hot pressing unit through the hydrogen circulation pump. Hydrogen and the like are used as circulation working media, air hot energy is converted into mechanical energy to drive the electric generator to generate electricity or drive equipment, natural energy and industrial waste heat are sufficiently utilized, and the device is beneficial to

The invention relates to a device for hydraulically acting through hot-pressing metal hydrogen storage material hydrogen energy. The device comprises an expansion machine, a generator, an air energy hot-pressing unit, a hydrogen heat exchanger and a hydrogen circulating pump; the expansion machine is connected with the generator through a shaft; the air energy hot-pressing unit is a hydrogen reaction bed air energy system or a hot-pressing tank air energy system; the air energy hot-pressing unit sequentially passes through a pipe pass of the hydrogen circulating pump and a pipe pass of the hydrogen heat exchanger to be connected to an inlet of the expansion machine through a hydrogen pipeline; and an outlet of the expansion machine is connected to the air energy hot-pressing unit, a heat exchange outlet of the air energy hot-pressing unit is connected to a shell pass inlet of the hydrogen heat exchanger through a heat exchange pipeline, and a shell pass outlet of the hydrogen heat exchanger is connected to a heat exchange inlet of the air energy hot-pressing unit through the hydrogen circulating pump. According to the device, hydrogen and the like are used as circulating working media, air heat energy is converted into mechanical energy to drive the generator to generate electricity or to drive equipment, so that natural energy and industrial waste heat are fully utilized, energy conservation and emission reduction are facilitated, and economic benefits are created.

The invention discloses a shed-corridor type ecological intelligent road traffic system, include road body, Separation belts and rain shelters, A rain shelter is longitudinally arranged above the roadbody, a plurality of supporting columns are arranged on both sides of the road body along the length direction, The two sides of the rain shelter are arranged above the road body through a pluralityof supporting columns, the isolation belt is longitudinally arranged in the middle of the road body, a plurality of lighting devices are distributed along the length direction on the isolation belt, aplurality of solar panels are distributed on the rain shelter, and the solar panels are connected with the lighting devices; Roadbed and pavement base have higher bearing capacity and stability underthe cover of shed gallery, which can avoid water damage fundamentally. It is suitable for the ecological reconstruction of conventional road and realizes green intelligent transportation by combiningshed gallery with solar energy.

The invention relates to a piston hydrogen energy working system. The piston hydrogen energy working system comprises a hydrogen reaction bed unit, a hydrogen compression unit, a hydrogen expansion machine, a generator, a storage battery and an external power grid, wherein the hydrogen expansion machine is connected with a shaft of the generator; a circuit of the generator is connected with the storage battery and the external power grid; the hydrogen reaction bed unit is provided with a heat exchange center and at least two hydrogen reaction beds; the hydrogen compression unit comprises at least one air cylinder; the air cylinder is provided with a piston, a left push rod, a right push rod, a hydrogen inlet and a hydrogen outlet; a negative pressure hydrogen outlet of each hydrogen reaction bed is connected to the hydrogen compression unit through a negative pressure hydrogen outlet pipeline; the hydrogen compression unit is connected to an inlet of the hydrogen expansion machine through a hydrogen inlet pipeline; and an outlet of the hydrogen expansion machine is connected to a negative pressure hydrogen inlet of each hydrogen reaction bed through a negative pressure hydrogen inlet pipeline. According to the system, a normal pressure end is formed under the action of the piston, the expansion machine is driven to do work by circular flow of a working medium being hydrogen between the normal pressure end and a negative pressure end, the generator is driven to generate electricity or drive equipment, and therefore, natural energy is fully utilized.

The invention provides a highway system and an electric vehicle charging method thereof. The highway system is characterized that a plurality of solar panels are mounted on the two sides or above a highway; the solar panels form a power generation system to provide power to the nearest charging station; the charging station comprises a plurality of charging piles; and manipulator and communication interfaces are carried on the charging piles. Fully charged lithium batteries are used instead of lithium batteries detached from electric vehicles of users so that the users are released from waiting for a long time. The detached batteries are connected with the charging piles and incorporated into a power energy storage system of the charging station; and the batteries are mounted on next electric vehicles with the same types until a battery group is fully charged.

The invention relates to a hydrogen-mixed working medium power-generation system. The hydrogen-mixed working medium power-generation system comprises a hydrogen reaction bed unit, a mixed gasifier, amixed gas expander, a power generator, a liquid expander and a gas separator. A high-pressure hydrogen outlet of the hydrogen reactor bed unit is connected to the mixed gasifier, and the mixed gasifier is connected to the gas separator through the mixed gas expander. A hydrogen outlet of the gas separator is divided into two paths, one of the paths is connected to a low-pressure hydrogen inlet ofthe hydrogen reaction bed unit, and the other path is connected to a hydrogen inlet of the mixed gasifier. A nitrogen outlet of the gas separator is connected to the mixed gasifier through the liquidexpander and a liquid booster pump. One path of the hydrogen reaction bed unit passes through a low-pressure hydrogen circulating pump, a first intermediate tank and a heat exchange coil to form a cooling loop, and the other path of the hydrogen reaction bed unit passes through a high-pressure hydrogen circulating pump, a second intermediate tank and an air heat exchanger to form a heating loop. The hydrogen mixed working medium power-generation system takes hydrogen, nitrogen and the like as circulating working media, heat energy is converted into mechanical energy and electric energy throughnature energy and industrial waste heat, and energy conservation, emission reduction and creation of economic benefits are facilitated.

The invention relates to a metal hydride hydrogen energy work-doing system comprising a protective cover, a B1 metal hydrogen storage material reaction bed, a B2 metal hydrogen storage material reaction bed, a heat exchanger, a water cooler, a hydrogen expansion machine and a liquid hydrogen high-pressure pump, wherein the B1 metal hydrogen storage material reaction bed, the B2 metal hydrogen storage material reaction bed, the heat exchanger, the water cooler, the hydrogen expansion machine and the liquid hydrogen high-pressure pump are arranged in the protective cover. The B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed are connected with the hydrogen expansion machine through the shell pass of the water cooler, and materials returnto the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed through a tube pass of the heat exchanger. The metal hydride hydrogen energy work-doing system utilizes the hydrogen absorption / hydrogen desorption features of the metal hydrides to drive the expansion machine to do work.

The invention relates to an ejection hydrogen energy working system which comprises a hydrogen reaction bed unit, a hydrogen ejection unit, a hydrogen expander, a generator, a storage battery and an external power grid. The hydrogen ejection unit is provided with an ejector, a hydrogen pump and a gas storage tank, and the ejector is provided with an ejection gas inlet, a working gas inlet and an ejection gas outlet. The hydrogen reaction bed unit is connected to the ejection gas inlet of the ejector through a negative pressure hydrogen outlet pipeline, and the ejection gas outlet is connectedto the gas storage tank through the hydrogen pump. An outlet of the gas storage tank is divided into two paths, one path is connected to the working gas inlet, the other path is connected to an inletof the hydrogen expander through a hydrogen inlet pipeline, and an outlet of the hydrogen expander is connected to the hydrogen reaction bed unit through a negative pressure hydrogen inlet pipeline. According to the system, the hydrogen reaction bed unit and the hydrogen ejection unit are combined, hydrogen is used as a circulating working medium, natural energy is fully utilized to drive the expander to do work, and drive the generator to generate electricity, energy conservation and emission reduction are facilitated, and economic benefits are created.

The invention relates to a system for working by means of hydrogen energy of metal hydride. The system comprises an expansion machine, an electric generator, a hydrogen heat exchange center, an air energy heat exchanger and hydrogen reaction bed groups; the expansion machine is in shaft connection with the electric generator; filling gun openings of hydrogen reaction beds of hydrogen reaction bedgroups communicate with each other through two-way vacuum pumps and rotating valves; hydrogen backflow openings of the hydrogen reaction beds communicate with each other through filling circulating loops; one way of each of hydrogen outlets of the hydrogen reaction beds is connected to an inlet of the expansion machine through a hydrogen circulating pump and the tube pass of a hydrogen heat exchanger, and the other way is connected with the hydrogen heat exchange center through a hydrogen branch; the shell pass of the hydrogen heat exchanger is connected with a circulating heat exchange opening of each hydrogen reaction bed; an outlet of the expansion machine is connected with each hydrogen inlet through a hydrogen loop; each circulating hydrogen outlet is connected with a circulating hydrogen inlet through the hydrogen heat exchange center; and each heat exchange hydrogen opening is connected with the air energy heat exchanger in a circulating manner. According to the system, hydrogenand the like are used as cycle working media to drive the expansion machine to work, air heat is converted into mechanical energy to drive the electric generator to generate electricity, and thus energy conservation, emission reduction and creating of the economic benefit are facilitated.

A closed traffic system comprises multiple closed main transportation systems and annular transfer systems, wherein each annular transfer system is arranged between every two adjacent closed main transportation systems. The annular transfer systems achieve transfer of passengers in different closed main transportation systems in a non-stopping state; each closed main transportation system comprises an inner ring transportation system and an outer ring transportation system which have the opposite running directions and multiple non-stopping get-on and get-off systems arranged between the inner ring transportation system and the outer ring transportation system, and then get-on and get-off of the passengers in the closed main transportation systems are achieved in the non-stopping state. According to the closed traffic system, continuous running of the closed main transportation systems is achieved, it is guaranteed that the closed main transportation systems are not started or stopped sometimes along with get-on and get-off of the passengers, and dynamic get-on and get-off of the passengers and dynamic transfer are achieved in high-speed running; the purpose that infinite traffic flow is created through a finite traffic space is achieved through the controllable running speed by regulating the transportation flow, the urban traffic transportation efficiency is improved in an exponential order mode, the urban traffic congestion problem is thoroughly solved, and green traffic and green cities are achieved.

The invention relates to a hydrogen energy power generation system of a metal hydrogen storage material. The hydrogen energy power generation system comprises at least one power generation cylinder, aheat accumulator and a regenerator, wherein a power generation coil is wound outside a cylinder body of the power generation cylinder, an upper piston and a lower piston with a permanent magnet structure are arranged inside the cylinder body, and the upper piston and the lower piston divide the cylinder body into an upper hydrogen chamber, a nitrogen chamber and a lower hydrogen chamber which aretelescopic. The upper part of the upper hydrogen chamber is provided with a grating, the upper part of the grating is provided with the metal hydrogen storage material, the lower part of the lower hydrogen chamber is provided with a grating, and the lower part of the grating is provided with the metal hydrogen storage material. An upper hydrogen outlet is connected to the heat accumulator and theregenerator, and the heat accumulator and the regenerator are connected to an upper hydrogen inlet. A lower hydrogen outlet is connected to the heat accumulator and the regenerator, and the heat accumulator and the regenerator are connected to a lower hydrogen inlet. According to the hydrogen energy power generation system, through the power generation cylinder internally provided with the upperpiston and the lower piston of the movable permanent magnet structure, hydrogen is used as a working medium, the power generation coil wound outside the cylinder body is enabled to generate electricity, the energy of the nature is fully utilized, energy conservation and emission reduction are facilitated, and economic benefits are created.

The invention discloses a fuel and electricity hybrid power motor tricycle which comprises a frame rear axle, a frame installed on the frame rear axle, a drive motor, a motor tricycle engine and a gearbox. The drive motor and the motor tricycle engine are installed on the frame. The motor tricycle engine drives the gearbox through a clutch. The gearbox drives the frame rear axle through a transmission shaft. The drive motor drives the frame rear axle through a belt. The motor tricycle further comprises an oil cylinder installed on the frame. The output end of the oil cylinder is fixedly provided with a rotating wheel. The axis of the rotating wheel is perpendicular to the axis of the output end of the oil cylinder. When the oil cylinder is stopped, the belt is in a loose state, and the drive motor does not drive the frame rear axle; when the oil cylinder is started, the rotating wheel abuts against the belt, the belt is tightened, and the drive motor can drive the frame rear axle. Thus, drive modes can be flexibly selected according to different road conditions and use requirements, and green traffic is achieved.

The invention relates to a metal hydride low-temperature cycle work and oxygen generation system. The metal hydride low-temperature cycle work system comprises a protective cover, a B1 metal hydrogenstorage material reaction bed, a B2 metal hydrogen storage material reaction bed, a hydrogen heat exchanger, a heat exchanger, an air heat exchanger, a hydrogen expander and a liquid hydrogen high-pressure pump, wherein the B1 metal hydrogen storage material reaction bed, the B2 metal hydrogen storage material reaction bed, the hydrogen heat exchanger, the heat exchanger, the air heat exchanger, the hydrogen expander and the liquid hydrogen high-pressure pump are arranged in the protective cover. The B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed are separately connected with the hydrogen expander through the shell passes of the hydrogen heat exchanger and the air heat exchanger, and then return to the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed through the tube passes of the hydrogen heat exchanger and the heat exchanger. According to the system, the expander is drivento do work by utilizing the hydrogen absorption / hydrogen desorption characteristics of the metal hydride.

The invention discloses a belt conveyor corridor provided with openable roofs. The belt conveyor corridor comprises a corridor body, wherein the corridor body comprises two supports, two support seats, two power devices, two connecting rods, two rotating bases, two side plates and the two roofs which are symmetrically arranged, the supports are fixed in the middles of the side plates, the support seats are fixed on the supports, the power devices are connected with the support seats, an extending rod of each power device is hinged with one end of the corresponding connecting rod, the rotating bases are fixed at the tops of the side plates, and the other end of each connecting rod is connected with one end of the corresponding roof through the corresponding rotating base; after the two roofs are closed, the two roofs form an inverted V shape, and a rubber plate is mounted at the top of one side of one roof; an upper supporting roller set and a lower supporting roller set of a belt conveyor are mounted in the corridor body; a bottom plate is arranged at the bottom of the corridor body and adopts an inclined structure with two high sides and a low middle, and a concaved ash collecting groove is formed in the middle of the bottom plate. The belt conveyor corridor has the benefits as follows: the belt conveyor corridor is good in sealing performance, high in safety performance, easy to clean and convenient to mount and can safely and efficiently work.

The invention discloses a pipeline-type ecological intelligent highway traffic system, which comprises a road body and a UHPC fabricated pipeline; the UHPC fabricated pipeline is erected on the road body, and a photovoltaic system is arranged on the outer side of the UHPC fabricated pipeline; illumination equipment is arranged on the inner side of the UHPC fabricated pipeline in the length direction of the road body; an electric energy storage system and a charging device are arranged on the road body; and the electric energy storage system is connected with the photovoltaic system, and the illumination equipment and the charging device are both connected with the electric energy storage system. Water damage is avoided fundamentally, the higher bearing capacity and stability are achieved,the life of a road is longer, the pipeline-type ecological intelligent highway traffic system is suitable for ecological reconstruction of the conventional road, thus environment-friendly traffic is achieved, and demands of future green energy resources and intelligent traffic are met.

The invention discloses an automatic selecting and controlling system for power supply modes of a ventilating fan of an air-conditioned bus. The automatic selecting and controlling system comprises a PID (proportional-integral-derivative) controller, a solar energy power supply module and a conventional power supply module, wherein the conventional power supply module comprises a vehicle-mounted motor and a storage battery, the solar energy power supply module comprises a solar cell panel, a piezoresistor, a capacitor, a rectifier diode, a storage battery and a relay, the controller is used for measuring terminal voltage of the storage battery of the solar energy power supply module, controlling working conditions of the solar energy power supply module and the conventional power supply module via triodes, and controlling working conditions of different LED lamp displaying systems. By the aid of the automatic selecting and controlling system, the power supply modes of the fan can be automatically switched, and the automatic selecting and controlling system is environmental-friendly and energy-saving, and can be utilized in various air-conditioned buses.

The invention discloses a motor tricycle which comprises a frame rear axle, a frame installed on the frame rear axle, a driving motor, a tricycle engine and a gearbox. The driving motor and the tricycle engine are installed on the frame. The output end of the driving motor is fixedly provided with a first inner shaft. The first inner shaft is sleeved with a first shaft sleeve. The first inner shaft can drive the first shaft sleeve to rotate forwards through forward rotation, and the first shaft sleeve cannot drive the first inner shaft to rotate forwards through forward rotation. A first transmission gear is fixedly arranged at the end of the first shaft sleeve. The first transmission gear drives the gearbox. A second inner shaft is fixedly arranged at the output end of the tricycle engine. The second inner shaft is sleeved with the second shaft sleeve. The second inner shaft can drive the second shaft sleeve to rotate forwards through forward rotation, and the second shaft sleeve cannot drive the second inner shaft to rotate forwards through forward rotation. A second transmission gear is fixedly arranged at the end of the second shaft sleeve and drives the gearbox. The gearbox drives the frame rear axle through a transmission shaft. Accordingly, driving modes can be flexibly selected according to different road conditions and using demands, and green transport is achieved.

The invention relates to a hydrogen heat exchange medium bimetal hydride work system. The system comprises a metal hydrogen storage reaction bed A1, a metal hydrogen storage reaction bed A2, a metal hydrogen storage reaction bed B1, a metal hydrogen storage reaction bed B2 and a generator. And hydrogen discharge outlets of the metal hydrogen storage reaction bed A1 and the metal hydrogen storage reaction bed A2 are connected to hydrogen absorption inlets of the metal hydrogen storage reaction bed B1 and the metal hydrogen storage reaction bed B2 through a hydrogen heat exchanger A and a high-pressure expansion machine. And hydrogen discharge outlets of the metal hydrogen storage reaction bed B1 and the metal hydrogen storage reaction bed B2 are connected to hydrogen absorption inlets of the metal hydrogen storage reaction bed A1 and the metal hydrogen storage reaction bed A2 through a liquid hydrogen precooler, a liquid hydrogen high-pressure pump, a refrigeration unit and a B hydrogenheat exchanger via a low-pressure expansion machine. And another outlet of the low-pressure expansion machine is connected to hydrogen absorption inlets of the metal hydrogen storage reaction bed B1and the metal hydrogen storage reaction bed B2. The reversible compression / expansion machine acts to drive work equipment to work or drive power generation equipment to generate power, thus fully utilizing industrial waste heat and natural energy.

The invention discloses a belt conveyor corridor provided with self-closed roofs. The belt conveyor corridor comprises at least one corridor body, wherein each corridor body comprises two outer limiting plates, two rotating bases, two inner limiting plates, two balancing weights, the two roofs and two side plates which are symmetrically arranged, wherein the rotating bases are fixed at the tops of the side plates, the outer limiting plates and the inner limiting plates are fixed with the side plates and the rotating bases, one end of each roof is connected with the corresponding rotating base, and each balancing weight is fixed at the bottom of the corresponding roof and located on one side close to the corresponding rotating base; when opened, the two roofs are perpendicular to the ground and are limited by the outer limiting plates; when closed, the two roofs of each corridor body are in an inverted V shape, a rubber plate is assembled at the top of one side of one roof, and the balancing weights are limited by the inner limiting plates; an upper supporting roller set and a lower supporting roller set are mounted in each corridor body; a bottom plate is arranged at the bottom of each corridor body and adopts an inclined structure with two high sides and a low middle, and a concaved ash collecting groove is formed in the middle of the bottom plate. The belt conveyor corridor has the benefits as follows: the belt conveyor corridor is good in sealing performance, high in safety performance, easy to clean and convenient to mount and can safely and efficiently work.

The invention relates to a metal hydride hydrogen energy power generation electrical system and a power generation method. The system comprises at least one cylinder, a central controller, a voltage stabilization integration module, an electric power external supply module and a storage battery pack, wherein the cylinder comprises an upper end cover, a lower end cover and a cylinder body; the cylinder body is provided with a hydrogen inlet and a hydrogen outlet; and an upper power generation coil group and a lower power generation coil group are wound outside the cylinder body; an upper pistonand a lower piston in the cylinder body divide the cylinder body into an upper hydrogen cavity, a middle hydrogen cavity and a lower hydrogen cavity, and the cavities are telescopic; the upper part of the upper hydrogen cavity and the lower part of the lower hydrogen cavity are provided with grids, and the upper parts or the lower parts of the grids are filled with metal hydride; and an upper hydrogen outlet of the upper end cover is connected to a lower hydrogen inlet of the lower end cover, and a lower hydrogen outlet of the lower end cover is connected to an upper hydrogen inlet of the upper end cover. According to the metal hydride hydrogen energy power generation electrical system and the power generation method, hydrogen is taken as a working medium, the upper piston and the lower piston are driven to move up and down by utilizing the hydrogen absorbing and releasing effect of the metal hydride, so that the power generation coil groups wound outside the cylinder body generates induction to generate power, and energy conservation, emission reduction and economic benefit creation are facilitated.

The invention discloses a belt conveyor corridor provided with flexibly sealed roofs. The belt conveyor corridor comprises a corridor body, wherein the corridor body comprises two connecting parts, two press plates, two side plates and two templates which are symmetrically arranged, wherein the press plates are fixed at the tops of the side plates, and one end of each template is connected with the corresponding press plate through the corresponding connecting part; each template comprises a plurality of subtemplates, adjacent subtemplates are connected end to end, and after two adjacent subtemplates are connected, the two adjacent subtemplates form a V shape or an inverted V shape; the (2k+1)th subtemplate and the (2k+2) subtemplate are fixed with a 90-degree steel angle through bolts, and k denotes 0, 1, 2; an upper supporting roller set and a lower supporting roller set of a belt conveyor are mounted in the corridor body; a bottom plate is arranged at the bottom of the corridor body and adopts an inclined structure with two high sides and a low middle, and a concaved ash collecting groove is formed in the middle of the bottom plate. The belt conveyor corridor has the benefits as follows: the belt conveyor corridor is simple in sealing structure, high in safety performance, environment-friendly and convenient to mount, doesn't consume energy and can safely and efficiently work.

The invention relates to a temperature regulation pre-treatment working system. The system comprises a high-pressure tank, a high-pressure expander, a high-pressure compressor, a low-pressure expander, a low-pressure compressor, a heat transformer I, a heat transformer II, a heat transformer III, a heat transformer IV and a low-pressure tank; the high-pressure tank is sequentially connected to theheat transformer I, the high-pressure expander, the heat transformer II and the high-pressure compressor to form a high-pressure cycle; and the low-pressure tank is sequentially connected to the heattransformer IV, the low-pressure expander, the heat transformer III and the low-pressure compressor to form a low-pressure cycle. The system has the advantages that the compressors / expanders work todrive working equipment to work or drive power generation equipment to generate electricity.

The invention relates to a hydrogen energy power generation system utilizing a metal hydrogen storage material. The hydrogen energy power generation system comprises an expansion machine, a generator, a hydrogen buffer tank, at least one power generation cylinder, a heat accumulator and a regenerator, wherein the generator is connected with an expansion machine shaft; a cylinder body is provided with an acting hydrogen inlet, an acting hydrogen outlet, a nitrogen inlet and a nitrogen outlet, wherein an upper piston and a lower piston in the cylinder body divide the cylinder body into a telescopic upper hydrogen chamber, a nitrogen chamber and a lower hydrogen chamber; the metal hydrogen storage material is arranged at the upper part of the upper hydrogen chamber and the lower part of the lower hydrogen chamber; an outlet and an inlet of the upper hydrogen chamber and the outlet and the inlet of the lower hydrogen chamber correspondingly and circularly communicate with the heat accumulator and the regenerator; and the acting hydrogen outlet is connected to an inlet of the expansion machine, and an outlet of the expansion machine is connected to the acting hydrogen inlet through the hydrogen buffer tank. According to the hydrogen energy power generation system, the air cylinder with the upper piston and the lower piston is installed, hydrogen and nitrogen are used as working media, the hydrogen absorption and desorption effects of the metal hydrogen storage material are utilized, the expansion machine is driven to work for power generation, the energy of the nature is fully utilized, energy conservation and emission reduction are facilitated, and economic benefits are created.

The invention relates to a metal hydrogen storage material energy supply system for a nitrogen working medium. The system comprises a protection cover, and a B1 metal hydrogen storage material reaction bed, a B2 metal hydrogen storage material reaction bed, a hydrogen circulating compressor, a hydrogen cooler, a liquid nitrogen pressurizing pump, a nitrogen heat exchanger, an air heat exchanger and a nitrogen expander which are arranged in the protection cover. The characteristics of hydrogen absorbing heat release and hydrogen discharging heat absorption of a metal hydrogen storage material are utilized, heat exchange is carried out on circular working medium nitrogen, the expander does work, and thus work-doing equipment is driven to work or power generating equipment is driven to generate power.

The invention discloses a three-wheeled motorcycle driven by petrol-electric hybrid power. A reverse control handle is installed at the lower part of the left side of a seat cask for a driver, a multi-gear shift control handle is installed at the upper part of the left side of the seat cask for the driver, and a compartment is installed above the back of a frame assembly; an electric motor is electrically connected with a storage battery pack, an engine and the electric motor are connected together and connected with a gearbox through a one-way clutch, and the gearbox is connected with a rear axle through a reverse device and a transmission shaft successively; the engine and the electric motor are installed at the middle part of the frame assembly, the storage battery pack is installed at the bottom of the compartment, a controller is installed at the rear of a frame, a change-over switch is installed on a handlebar, and the change-over switch, the engine, the electric motor and the storage battery pack are connected with the controller through cables. The three-wheeled motorcycle driven by the petrol-electric hybrid power has the beneficial effects that drive modes can be flexibly chosen according to different road conditions and use requirements, environmental protection, energy saving and noise reduction requirements are met to the maximum, and green traffic is realized.

The invention relates to a piston hydrogen energy work done system. The piston hydrogen energy work done system comprises a hydrogen reaction bed unit, a hydrogen compression unit, a hydrogen expansion machine, a generator, a storage battery and an external power grid, wherein the hydrogen compression unit is provided with an air cylinder, a hydraulic station, a hydraulic pump, a left hydraulic cylinder and a right hydraulic cylinder; one end of a left push rod is connected to a left piston; the other end of the left push rod is in intermittent contact with an air cylinder; one end of a rightpush rod is connected to a right piston; the other end of the right push rod is in intermittent contact with the air cylinder; the hydrogen reaction bed unit is connected to hydrogen inlets at both ends of the air cylinder; hydrogen outlets at both ends of the air cylinder are connected to an inlet of the hydrogen expansion machine; an outlet of the expansion machine is connected to the hydrogen reaction bed unit; the hydraulic station is in tube connection with a liquid inlet of the left hydraulic cylinder and a liquid inlet of the right hydraulic cylinder; a liquid outlet of the left hydraulic cylinder and a liquid outlet of the right hydraulic cylinder are connected to the hydraulic pump; and an outlet of the hydraulic pump is connected to the hydraulic station.

The invention relates to a hydrogen mixed working medium power system. The hydrogen mixed working medium power system comprises a hydrogen reaction bed unit, a mixed gasifier, a mixed gas expander, aliquid carrying expander and a liquid pressurizing pump. The hydrogen reaction bed unit is connected to a hydrogen inlet of the mixed gasifier, and a gas-liquid separator is connected to a condensateinlet of the mixed gasifier. The mixed gasifier is connected to the gas-liquid separator through the mixed gas expander and the liquid carrying expander, and a hydrogen outlet of the gas-liquid separator is connected to the hydrogen reaction bed unit. A heat exchange hydrogen outlet of the hydrogen reaction bed unit is divided into two paths through a three-way valve, and one of the paths is connected to a heat exchange hydrogen inlet of the hydrogen reaction bed unit through a first hydrogen intermediate tank and a heat exchange coil of the mixed gasifier to form a cooling loop. The other path is connected to the heat exchange hydrogen inlet of the hydrogen reaction bed unit through a second hydrogen intermediate tank and an air heat exchanger to form a heating loop. According to the hydrogen mixed working medium power system, hydrogen, nitrogen and the like are used as circulating working medium, heat energy is converted into mechanical energy and electric energy, natural energy andindustrial waste heat are utilized, and energy conservation and emission reduction are facilitated, and economic benefits are created.