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37 results about "Hydrogen station" patented technology

A hydrogen station is a storage or filling station for hydrogen, usually located along a road or hydrogen highway, or at home as part of the distributed generation resources concept. The stations are usually intended to power hydrogen vehicles, but can also be used to power small devices. Vehicles use hydrogen as fuel in one of several ways, including fuel cells and mixed fuels like HCNG. The hydrogen fuel dispensers dispense hydrogen gas by the kilogram.

Hydrogen refueling station inspection robot hydrogen leakage degree quantification method

The invention relates to a hydrogen refueling station inspection robot hydrogen leakage degree quantification method, belongs to the technical field of gas leakage detection, and solves the problems that existing hydrogen leakage quantification is poor in real-time performance and inaccurate in quantification result. The method comprises the steps that when the inspection robot detects that the hydrogen volume fraction exceeds a preset threshold value, a current position serves as an initial point position, and moving and sampling are carried out multiple times in the determined hydrogen leakage source direction; based on the sampling data of each point location, constructing a corresponding local hydrogen concentration field and determining the position of a hydrogen leakage source; based on the local hydrogen concentration field closest to the hydrogen leakage source, hydrogen leakage degree quantification parameters are obtained; obtaining a hydrogen leakage degree quantized value based on the hydrogen leakage degree quantized parameter; and obtaining a hydrogen leakage risk level based on the hydrogen leakage degree quantized value and a preset leakage risk level threshold interval.
Owner:ZHONGAN GUOTAI (BEIJING) TECH DEV CENT +1

Hydrogen station safety monitoring system and monitoring method

ActiveCN116708503BMain station arrangementsSub-station arrangementsPressure dataSecurity monitoring
The present application relates to hydrogen refueling station safety technical field, specifically to a kind of hydrogen refueling station safety monitoring system and monitoring method.Setting detection camera obtains the image in the range of hydrogen refueling station hydrogen refueling terminal, the posture of operator is analyzed from the image extracted, whether operation specification is determined;Monitoring center sends pressure data, temperature data and the infrared light intensity data obtained to analysis cloud, analysis cloud is according to pressure data, temperature data and infrared light intensity analysis hydrogen concentration, and concentration is fed back to monitoring center;Monitoring center controls the rotational speed of exhaust fan according to the detection result of hydrogen concentration.The hydrogen gas added by hydrogen refueling station is the hydrogen obtained by natural gas hydrogen production, other gas is used instead of detection hydrogen, solve the problem that infrared light cannot detect hydrogen.Detect temperature and pressure, and the result of detection is corrected, avoid the problem of detection sensor data drift caused by temperature and pressure.
Owner:HEFEI ZHONGHYDRO HAOYU TECHNOLOGY CO LTD

A hydrogen station hydrogen storage pressure self-adaptive adjusting device

ActiveCN224470083UThermodynamicsAir volume
The utility model relates to hydrogen storage device technical field discloses a kind of hydrogen station hydrogen storage pressure self-adapting regulating device, the utility model solves the problem of some hydrogen storage devices in existing when wind volume instantaneously increases or reduces, pressure change influences service life, large area storage hydrogen storage device is easy to knock.Provide a kind of hydrogen station hydrogen storage pressure self-adapting regulating device, including protective shell, the inside of protective shell is connected with inner bag layer, the lower portion of inner bag layer is connected with gas outlet, the lower portion of gas outlet is connected with regulating valve, the lower portion of regulating valve is connected with pressure relief tank, the outside of pressure relief tank is connected with bottom plate, the upper portion of bottom plate is connected with protection plate, the upper portion of bottom plate is provided with support mechanism, the inside of protective shell is also connected with mounting plate, the upper portion of mounting plate is connected with differential pressure sensor, pressure can be self-adaptingly regulated, prolong the service life of hydrogen storage equipment, protective shell is supported by support mechanism, guarantee its stable when using.
Owner:SHENHUA GUONENG XILIN GUOLEI COAL POWER CO LTD

Power system

The CEMS server acquires weather information and hydrogen station information (S1). The CEMS server predicts the power demand of the microgrid after a specified period of time (S3). When the power demand of the microgrid after the specified period of time exceeds the contract power (YES at S5) and when the amount of power to be reduced exceeds a prescribed value (YES at S7), the CEMS server generates a hydrogen replenishment notification (S9) and transmits the generated hydrogen replenishment notification to the FCEV and / or the communication terminal (S11). The amount of power to be reduced is the difference between the contract power and the power demand.
Owner:TOYOTA JIDOSHA KK

Simulation deduction and auxiliary decision system for multi-point concurrent leakage accident of hydrogen refueling station

The present application relates to the technical field of fire accident monitoring and early warning and fire rescue, in particular to a simulation deduction and auxiliary decision system for multi-point concurrent leakage accidents of hydrogen stations, which comprises an accident scene dynamic risk mapping module, which is used for receiving and gridding a rescue area, collecting real-time monitored hydrogen concentration, heat radiation flux and explosion overpressure values for each grid. In the present application, by receiving and gridding the rescue area, collecting real-time monitored hydrogen concentration, heat radiation flux and explosion overpressure values, and combining the path interruption probability caused by hydrogen storage and hydrogenation structure collapse, a unified grid risk value is obtained, and a time-varying three-dimensional risk field data covering the entire accident scene is established, which converts discrete and multidimensional on-site monitoring data into an intuitive global danger situation picture, enabling fire rescue commanders to master the evolution law of risk in space and time.
Owner:SHANGHAI FIRE RES INST OF MEM +1

Hydrogen stations and refrigeration systems for hydrogen stations

To provide a hydrogen station that can realize high energy efficiency by restraining the generation of boil-off gas in a liquid hydrogen supply pipe.SOLUTION: A hydrogen station comprises a liquid hydrogen supply pipe for supplying liquid hydrogen to a liquid hydrogen pump from a liquid hydrogen tank, and a refrigerator. The hydrogen station is configured so as to cool the liquid hydrogen supply pipe by using cold generated in the refrigerator.SELECTED DRAWING: Figure 1
Owner:MITSUBISHI HEAVY IND LTD

Hydrogen station emptying system and method based on multi-stage pressure reduction

The invention discloses a hydrogen station emptying system and method based on multi-stage depressurization, and belongs to the technical field of hydrogen station safety relief, the system comprises a multi-stage safety relief system, the first inlet end of the multi-stage safety relief system is communicated with an upstream main line, the second inlet end of the multi-stage safety relief system is communicated with a downstream main line, and the outlet end of the multi-stage safety relief system is communicated with emptying equipment; the outlet end of the main line block valve is provided with at least two levels of emptying regulating valves. From the perspective of system optimization and simplification, the problem of accidental spontaneous combustion in the emptying process of the hydrogen station is fully recognized and overcome, and emptying safety is ensured.
Owner:CHINA PETROLEUM ENG & CONSTR +1

Simulation deduction and auxiliary decision-making system for multipoint concurrent leakage accidents of hydrogen refueling station

The invention relates to the technical field of fire accident monitoring and early warning and fire rescue, in particular to a hydrogen refueling station multi-point concurrent leakage accident simulation deduction and auxiliary decision making system which comprises an accident site dynamic risk composition module, an accident site dynamic risk composition module, an accident site dynamic risk composition module and an accident site dynamic risk composition module, and the hydrogen concentration, the heat radiation flux and the explosion overpressure value monitored in real time are integrated. According to the method, a rescue area is received and gridded, hydrogen concentration, thermal radiation flux and explosion overpressure numerical values monitored in real time are integrated, and path interruption probabilities caused by collapse of hydrogen storage and hydrogenation structures are combined, so that a unified grid risk numerical value is obtained through calculation, and then time-varying three-dimensional risk field data covering a whole accident scene is established; discrete and multi-dimensional field monitoring data are converted into a visual global danger situation picture, so that fire rescue commanders can master evolution rules of risks in space and time.
Owner:SHANGHAI FIRE RES INST OF MEM +1

Monthly optimal configuration method of electricity hydrogen energy supplementing station considering new energy consumption

The invention discloses a monthly optimal configuration method for an electricity-hydrogen energy supplement station considering new energy consumption, and the method comprises the steps: firstly, considering the source side uncertainty of wind power and photovoltaic power and the load side uncertainty of electricity conversion and hydrogenation, and constructing a multi-dimensional uncertainty basic scene through time sequence clustering; and secondly, according to the density distribution of the basic scene, further reducing a high-dimensional coupling probability scene by using an ISODATA algorithm, and further generating a typical scene for optimizing a configuration model. Then, a self-adaptive multi-layer moving average filtering algorithm is adopted to decompose the wind-solar combined power curve, high-frequency component configuration is used for optimizing a charging and battery swapping strategy of a battery swapping station, and low-frequency component configuration is provided for a hydrogen production station; and finally, by taking the minimum monthly comprehensive operation cost of the energy complementing station as an optimization target, solving a configuration result by adopting Gurobi to obtain a configuration scheduling strategy of the energy complementing station by the optimal configuration model of the electric hydrogen energy complementing station. According to the invention, on-site consumption of larger-capacity wind and light generating capacity can be realized, and the reliability is high.
Owner:YANGZHOU POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO LTD

A kind of exhaust superhigh pressure control valve set for hydrogen filling station compressor and hydrogen storage system

The embodiment of the application relates to the hydrogen energy utilization technical field, and discloses a kind of exhaust superhigh pressure control valve group for hydrogen station compressor and hydrogen storage system.The exhaust superhigh pressure control valve group for hydrogen station compressor in it includes valve body, first stop valve, first drive piston, first main valve spool, first solenoid valve assembly, second drive piston, second main valve spool, second solenoid valve assembly and second stop valve;Valve body is provided with two ends respectively through to the first channel of valve body surface, one end is communicated with the first channel, the second channel is communicated with the other end through to the valve body surface, the third channel that communicates the first channel and the second channel, and the fourth channel and the fifth channel that are communicated to the first channel respectively;First stop valve is arranged on valve body.The exhaust superhigh pressure control valve group for hydrogen station compressor and hydrogen storage system provided in the application can effectively control hydrogen flow and ensure the safety of valve components in the process of hydrogen high-pressure circulation.
Owner:HAN HYDROPOWER (ZHUHAI) TECH CO LTD

Internal heat exchange system of skid-mounted liquid hydrogen refueling station

The utility model relates to the technical field of liquid hydrogen storage, in particular to an internal heat exchange system of a skid-mounted liquid hydrogen refueling station. The top of the liquid hydrogen storage tank is connected with the buffer tank through a pipeline, the buffer tank is connected with a gas inlet of the hydrogen booster pump through a pipeline, a gas outlet of the hydrogen booster pump is connected with the first-stage hydrogen cooler through a pipeline, and the first-stage hydrogen cooler is connected with the high-pressure buffer tank through a pipeline. The high-pressure buffer tank is connected with a secondary hydrogen cooler through a pipeline; the bottom of the liquid hydrogen storage tank is connected with the liquid hydrogen bottle through a pipeline, a liquid outlet of the liquid hydrogen booster pump is connected with an inlet of the heat exchange and cold supply assembly through a pipeline, and an outlet of the heat exchange and cold supply assembly is connected with the high-pressure buffer tank through a pipeline. The first-stage hydrogen cooler and the second-stage hydrogen cooler provide heat sources for the heat exchange and cold supply assembly to enable liquid hydrogen to be gasified, and the heat exchange and cold supply assembly provides cold sources for the first-stage hydrogen cooler and the second-stage hydrogen cooler to cool hydrogen, so that a large amount of energy can be saved, and the purposes of saving energy and reducing consumption are achieved.
Owner:YANTAI DONGDE HYDROGEN ENERGY TECHNOLOGY CO LTD

Hydrogen refueling station equipment integrity knowledge graph application system

The invention discloses a hydrogen refueling station equipment integrity knowledge graph application system and method, and belongs to the technical field of hydrogen energy infrastructure full life cycle management. The process knowledge extraction module is used for extracting a triple containing a process link, a process parameter and a standard value from a process document, extracting an association relationship about the process link, an executor and time from an operation record, and establishing an association relationship between the process link and equipment and an association relationship between process parameter abnormity and equipment failure; the knowledge graph architecture storage module is used for constructing and storing a multi-level knowledge graph architecture, and the multi-level knowledge graph architecture comprises a base layer, a process layer, an entity layer, a relation rule layer, a device three-dimensional graph layer and a risk management decision layer. The problems that an existing hydrogen refueling station equipment integrity knowledge graph lacks process dimension integration and equipment and process collaborative management capacity is weak are solved.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST

A hydrogen refueling station dynamic risk assessment method based on deep learning

The application discloses a kind of based on deep learning hydrogen station dynamic risk assessment method, it is related to hydrogen risk assessment technical field, the method pre-acquires training dataset, based on training dataset and trains hydrogen concentration space-time coupling prediction model;Then real-time monitoring hydrogen station operating state parameter, based on hydrogen station operating state parameter and identifies ignition source energy and ignition source space-time coordinate feature;Again based on the environment parameter and leakage source parameter of real-time acquisition, using hydrogen concentration space-time coupling prediction model predicts hydrogen cloud space-time coordinate feature, quantifies the overlap probability of ignition source space-time coordinate feature and hydrogen cloud space-time coordinate feature, generates the ignition probability of different ignition source on discrete time point based on overlap probability and ignition source energy;Finally, construct dynamic hydrogen leakage risk assessment model, based on the ignition probability value generated using dynamic hydrogen leakage risk assessment model generates risk parameter, reduces invalid alarm, makes hydrogen leakage accident processing more accurate and efficient.
Owner:HEFEI UNIV OF TECH +1

Hydrogen station compressor intake control valve set and hydrogen storage system

The embodiment of the application relates to the hydrogen energy utilization technical field, and discloses a kind of hydrogen station compressor intake control valve group and hydrogen storage system.The hydrogen station compressor intake control valve group in it includes valve body, first stop valve, solenoid valve assembly, drive piston, main valve spool and second stop valve;The outer surface of valve body is respectively provided with inlet, outlet and vent, the inner portion of valve body is respectively provided with first channel communicating inlet and outlet, second channel communicated with first channel, and third channel communicating first channel and vent;First stop valve is arranged on valve body, and the valve core of first stop valve is located at the position adjacent to inlet in first channel, for controlling the communication / disconnection of first channel;Solenoid valve assembly is arranged on valve body, and the valve core of solenoid valve assembly is used to control the communication / disconnection of second channel.The hydrogen station compressor intake control valve group and hydrogen storage system provided by the embodiment of the application can improve the integration of valve components in the system.
Owner:HAN HYDROPOWER (ZHUHAI) TECH CO LTD

Equipment failure mode-based hydrogen refueling station multi-modal data acquisition method and terminal equipment

The invention discloses a hydrogen refueling station multi-mode data acquisition method based on an equipment failure mode and terminal equipment, and belongs to the technical field of hydrogen energy infrastructure safety monitoring. The multi-level image intelligent detection algorithm comprises three levels of bottom-layer multi-mode feature extraction, middle-layer failure feature classification and high-layer multi-mode fusion decision; (2) analyzing a risk level corresponding to the failure mode in combination with a cloud equipment knowledge graph, wherein the knowledge graph cloud equipment knowledge graph comprises equipment manufacturing, installation, process, maintenance and detection data; and (3) dynamically scheduling the collection frequency and range of the terminal data collector according to the risk level and failure mechanism sorting result. The terminal device comprises an image acquisition module, a sensor module and a communication module. The problems that an existing hydrogen refueling station data acquisition method is fixed in strategy, low in failure recognition precision and insufficient in risk association are solved.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST

Hydrogenation temperature adjusting system of hydrogen refueling station

The invention discloses a hydrogenation temperature adjusting system of a hydrogen refueling station, and relates to the technical field of hydrogen refueling stations, the hydrogenation temperature adjusting system comprises a high-pressure hydrogen storage tank, a medium-pressure hydrogen storage tank, a low-pressure hydrogen storage tank and a heat exchange device, the output ends of the high-pressure hydrogen storage tank, the medium-pressure hydrogen storage tank and the low-pressure hydrogen storage tank are all connected with a four-way valve, and the heat exchange device is connected to the output end of the four-way valve; a pipeline pressure sensor and a pipeline temperature sensor are arranged in the conveying pipeline, the hydrogenation machine is connected with a hydrogenation gun through a pipeline, and the output end of the hydrogenation gun is connected with an automobile hydrogen bottle. According to the hydrogenation temperature adjusting system of the hydrogen refueling station, the four-way valve is controlled to communicate one of the high-pressure hydrogen storage tank, the medium-pressure hydrogen storage tank and the low-pressure hydrogen storage tank into the heat exchange device based on the pressure value in the automobile hydrogen cylinder, so that the hydrogen pressure value is matched with the pressure value in the automobile hydrogen cylinder; and the heat exchange device reduces the temperature of the hydrogen to a degree matched with the internal temperature of the automobile hydrogen bottle, so that the injection rate of the hydrogen can be improved.
Owner:HYDREXIA (SHANGHAI) CO LTD +2

Cold and hot integrated water circulation unit for hydrogen refueling station

The invention discloses a cold and hot integrated water circulation unit for a hydrogen refueling station, and relates to the technical field of hydrogen refueling stations, the cold and hot integrated water circulation unit comprises a main frame and a circulation mechanism, positioning assemblies are arranged at the lower ends of the two sides of the main frame, a placement mechanism is arranged in the main frame, and the placement mechanism comprises a positioning frame, a placement sliding rail, a placement sliding block, a positioning knob and a placement frame; a placement sliding rail is arranged on the inner wall of the positioning frame, and a placement sliding block is connected to the outer side of the placement sliding rail. Through the arrangement sliding rail and the positioning frame which are fixedly connected, the stability of the arrangement frame in the sliding process with the positioning frame through the arrangement sliding block and the arrangement sliding rail can be guaranteed, the arrangement frame is used for an installation carrier of the whole circulation mechanism, and the circulation mechanism is conveniently moved out of the main frame body in a sliding mode; in this way, detection and maintenance of the circulating mechanism are facilitated, the positioning rotary knobs arranged on the inner sides of the placement sliding blocks in a penetrating mode are matched, the placement sliding blocks and the placement sliding rails can be limited and fixed, and therefore the stability of the circulating mechanism is guaranteed.
Owner:HYDREXIA (SHANGHAI) CO LTD +2

Method for determining fireproof spacing of hydrogen pipeline station based on consequence comparison

The invention discloses a hydrogen pipeline station fireproof spacing determination method based on consequence comparison, and belongs to the technical field of hydrogen pipeline station safety protection, and the method comprises the steps: collecting design parameters of a pipeline at a hydrogen station and basic parameters of gas flowing through the pipeline, and introducing a pressure correction coefficient to calculate hydrogen station correction pressure, determining a leakage aperture; calculating the maximum leakage flow of the pipeline under the condition of non-cut leakage according to the determined leakage hole diameter and the calculated maximum leakage flow; calculating the flame length when a fire disaster is caused after horizontal leakage, and calculating the thermal radiation influence distance of the flame to the surrounding environment; and calculating the external fireproof distance of the hydrogen pipeline station according to the thermal radiation influence distance. According to physical properties of hydrogen and natural gas, an operation pressure corrected hydrogen / natural gas leakage model is provided, a hydrogen / natural gas leakage consequence (fire) influence model is established, and the hydrogen pipeline station fire-proof spacing is determined by comparing hydrogen and natural gas heat radiation influence ranges.
Owner:CHINA PETROLEUM ENG & CONSTR +1

Hydrogenation system of hydrogen station

The present disclosure relates to a hydrogenation system of a hydrogenation station, which comprises a liquid hydrogen storage tank and a spray tank, wherein the liquid hydrogen storage tank comprises a cooling pipe, an outer shell, and an inner tank for storing liquid hydrogen arranged in the outer shell, the inner tank comprises a tank liquid outlet, and the cooling pipe is arranged on the outer wall of the inner tank for cooling the inner tank; the spray tank comprises a spray liquid inlet, a spray liquid outlet, and a first spray gas inlet, the spray liquid inlet is communicated with the tank liquid outlet for passing the liquid hydrogen in the inner tank into the spray tank, the spray liquid outlet is communicated with the cooling inlet of the cooling pipe for passing the liquid hydrogen in the spray tank into the cooling pipe, and the first spray gas inlet is communicated with the cooling outlet of the cooling pipe for passing the hydrogen gas gasified from the liquid hydrogen in the cooling pipe into the spray tank. Through the above arrangement, the liquid hydrogen in the spray tank can be passed into the cooling pipe to cool the inner tank, reduce the net heat leakage of the inner tank, and further reduce the evaporation amount of the liquid hydrogen in the inner tank to reduce the risk of overpressure of the liquid hydrogen storage tank.
Owner:GUONENG HYDROGEN ENERGY ENG TECH (WUHAN) CO LTD +1

Information processing method

The present invention provides an information processing method comprising the following steps: estimating the congestion level of a hydrogen station when multiple FCEV delivery vehicles receive hydrogen refills at the hydrogen station after the delivery operation is completed by an information processing device; and, if the information processing device determines that the congestion level is high, changing the hydrogen refill time point for at least one of the multiple FCEV delivery vehicles to before the end of the delivery operation.
Owner:TOYOTA JIDOSHA KK

Infrared thermal imaging detection controlled hydrogen station blower purging explosion-proof system and method

The application provides a hydrogen station blower purging explosion-proof system with infrared thermal imaging detection control, which comprises a red thermal imaging camera, a central control system, a blower, a hydrogen concentration monitoring device, an alarm and a control panel and the like, a thermal imaging camera covering the whole area of the hydrogen storage tank is installed, and a blower is arranged in each area to monitor the hydrogen leakage distribution in real time; once leakage is detected, the central control system identifies the area where the leakage position is located through the thermal imaging camera and issues an alarm, and at the same time, the blower in the area is controlled to be opened for purging until the hydrogen concentration monitoring device detects that the hydrogen concentration reaches a safety value, and the alarm is removed. The system will give an early warning to avoid potential safety accidents, find the leakage in time and take measures to prevent the situation from expanding to explosion, reduce the harm degree of the accident, reduce personnel casualties and property losses, effectively control the occurrence and spread of the accident, and improve the efficiency of accident response.
Owner:CENT SOUTH UNIV

Modular pressure relief explosion wall for hydrogen station

This invention discloses a modular pressure relief explosion-proof wall for hydrogen refueling stations, belonging to the field of building safety protection technology. The explosion-proof wall includes an explosion-proof wall body and an anchoring base integrally formed in the lower part of the explosion-proof surface of the explosion-proof wall body. A first square steel pipe penetrating along the thickness direction is arranged on the explosion-proof wall body, and a second square steel pipe penetrating along the height direction is arranged on the anchoring base. The first and second square steel pipes are connected inside the anchoring base, and their inner cavities together form a continuous channel penetrating the explosion-proof wall at right angles. This invention compensates for the structural strength loss caused by opening the channel by setting the thickness of the anchoring base to be greater than the thickness of the explosion-proof wall body. The continuous channel can be selectively used as a ventilation and explosion-proof channel or an anchoring channel according to usage requirements, achieving flexible integration of pressure relief, ventilation, and anchoring functions. This explosion-proof wall has a compact structure, selectable functions, is easy to modularly produce, and can be quickly installed on-site, making it particularly suitable for safety protection in flammable and explosive locations such as hydrogen refueling stations.
Owner:SOUTHWEST PETROLEUM UNIV

Hydrogen refueling station hydrogen cooling system adopting phase change cold storage

The utility model provides a hydrogen refueling station hydrogen cooling system adopting phase change cold storage, which comprises a cold water main machine, a cooler, a gas filling machine, a cold supply water pump, a hydrogen storage device, a phase change cold storage device and a hydraulic module, the hydrogen storage device is communicated with the gas filling machine through a cooler, and the phase change cold storage device is connected into a cold supply loop through a hydraulic module. Therefore, the problems of long-time low-load operation and frequent starting and stopping of a traditional cooling system in the daytime can be solved, the equipment performance is improved, the service life is prolonged, meanwhile, a large amount of operation cost can be saved through the peak-valley electricity price difference, and the power grid load is balanced.
Owner:RUIQIEER PETROCHEMICAL EQUIP (SHANGHAI) CO LTD

A plate heat exchanger for hydrogen unloading of a hydrogen station

The utility model discloses a kind of plate heat exchangers for hydrogen unloading of hydrogenation station, it is related to plate heat exchanger technical field, including pry dress, heat exchanger body, guide rail, sliding table and rotating table, pry dress both sides are connected with guide rail, sliding table slides between two the guide rail, rotating table rotation is connected in the center position of the sliding table, the heat exchanger body is connected with the rotating table upper side.This utility model sets up sliding table and guide rail, so that heat exchanger body can be along guide rail from pry dress interior smooth to pry dress side, to significantly increase the space and field of view of maintenance operation, facilitate personnel operation, by setting rotating table, heat exchanger body can be freely rotated to suitable angle on sliding table, facilitate adjustment maintenance posture, for example, heat exchange plate is cleaned or import and export pipe direction is adjusted, effectively solve the existing pry dress plate heat exchanger maintenance difficulty, inconveniently move problem.
Owner:西安国信物联技术有限公司 +1

Hydrogen station

Hydrogen Station This description relates to a hydrogen station (100) comprising a control circuit (123) configured to implement, prior to a step of disconnecting at least one hose (125) connecting a vehicle (127) to the station, a step of recycling hydrogen from said hose to a first tank (119) of the station. Figure for the abbreviation: Fig. 1
Owner:ATAWEY

Information processing method

An information processing method includes estimating a congestion degree of a hydrogen station when a plurality of FCEV delivery vehicles receives refueling of hydrogen at the hydrogen station after an end of a delivery operation, by an information processing device, and changing, by the information processing device, a refueling timing of hydrogen for at least one of the FCEV delivery vehicles before the end of the delivery operation when a determination is made that the congestion degree is high.
Owner:TOYOTA JIDOSHA KK

Hydrogen exchange station cart

The invention relates to the technical field of hydrogen energy supply equipment, and discloses a hydrogen exchange station cart which comprises a container bottom plate, a bottom plate rail is mounted on the upper surface of the container bottom plate, a lower frame is arranged on the upper side of the bottom plate rail, a bottom plate sliding seat is fixedly connected to the bottom of the lower frame, and a driving mechanism is arranged on the right side of the lower frame. The side, away from the driving mechanism, of the lower frame is fixedly connected with a control cabinet, the right surface of the lower frame is provided with an anti-overturning machine hook, and the upper side of the lower frame is connected with an upper frame through high-strength connecting bolts. The problem of transportation height limitation is solved through the upper and lower layered frame design, field assembly is facilitated, mechanical synchronization and stable operation of the walking wheels are achieved through the mechanical transmission mode of the motor and the coupler, the control requirement is reduced, meanwhile, the installation workload is reduced through the integrated laser scanning design, and the cost is reduced. The photovoltaic module on the top has the functions of power supply and rain shielding, and aging of equipment is effectively delayed.
Owner:SHANGHAI JIENING NEW ENERGY TECHNOLOGY DEVELOPMENT CO LTD

A machine learning based hydrogen station compressor failure predictive maintenance decision system

This invention relates to the field of machine learning technology, specifically to a machine learning-based predictive maintenance decision-making system for hydrogen refueling station compressor failures. The invention acquires historical compressor operating data, hydrogen refueling station business demand data, and maintenance human resource data; it divides different business characteristic time periods based on business demand data and determines maintenance cost parameters; it uses a machine learning model to generate a dynamic failure probability sequence; it calculates failure risk parameters by combining business demand data and maintenance cost parameters; and it obtains human resource assessment parameters based on human resource data. Finally, it calculates the comprehensive loss parameters for each candidate maintenance window by integrating maintenance cost parameters, failure risk parameters, and human resource assessment parameters, and selects the window with the minimum comprehensive loss as the recommended maintenance time window. This invention comprehensively considers the compressor's equipment failure risk, business load, maintenance costs, and human resource constraints to achieve optimal decision-making on maintenance timing, thereby reducing commercial losses caused by unplanned downtime.
Owner:SHAANXI GAS GRP TRANSPORTATION ENERGY DEV CO LTD +1

Green energy coordinated scheduling method and device and medium

The invention provides a green energy coordinated scheduling method and device and a medium, and relates to the technical field of energy scheduling. The method comprises the steps that heavy truck driving data, heavy truck condition data and heavy truck road condition data are obtained, the heavy truck road condition data comprise ramp road condition data, congestion road condition data, low-temperature road condition data and wind power road condition data, and first predicted hydrogen consumption of a hydrogen energy heavy truck is obtained according to the heavy truck driving data, the heavy truck condition data and the ramp road condition data; correcting the first predicted hydrogen consumption according to the congestion road condition data, the low-temperature road condition data and the wind power road condition data to obtain second predicted hydrogen consumption of the hydrogen energy heavy truck; obtaining the hydrogen station position, the hydrogen station hydrogen storage amount and the hydrogen production amount to the hydrogen station, predicting the heavy truck hydrogenation amount of a plurality of hydrogen energy heavy trucks to be subjected to hydrogenation at the first hydrogen station according to the hydrogen station position, the heavy truck driving data, the heavy truck condition data and the second predicted hydrogen consumption, and determining the heavy truck hydrogenation amount of the hydrogen energy heavy trucks to be subjected to hydrogenation at the second hydrogen station according to the hydrogen station hydrogen storage amount, the hydrogen production amount to the hydrogen station and the heavy truck hydrogenation amount. And the hydrogen energy heavy trucks are guided to the first hydrogen station and / or the second hydrogen station for hydrogenation.
Owner:特变电工(天津)智慧能源管理有限公司 +2