Hydrogen power system for producing hydrogen through water electrolysis

Abstract

The utility model relates to the technical field of new energy automobile manufacturing, and discloses a water electrolysis hydrogen production hydrogen power system which comprises a water treatment module, a purified water pretreatment module, an electrolytic reaction module, a hydrogen storage module, an oxygen management module, a power supply module, a power module and a control system, the water treatment module is used for filtering the added fresh water to obtain purified water; the purified water pretreatment module is used for heating purified water into water vapor through heat of an exhaust pipe of an engine, and the water vapor is used for an electrolysis reaction; the electrolytic reaction module is used for decomposing the water vapor into hydrogen and oxygen through electrolytic reaction; and the hydrogen storage module is used for storing pure hydrogen generated by electrolysis. According to the utility model, water is used as a raw material, hydrogen is generated through electrolysis, and emission after hydrogen combustion is pure water, so that emission of greenhouse gases such as carbon dioxide, carbon monoxide and the like is effectively reduced, pollution to the environment is reduced, renewable energy sources are used for supplying power to the system, and the energy cost is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle manufacturing, in particular to a hydrogen production by water electrolysis hydrogen power system. Background Technique

[0002] In the context of addressing global climate change and the growing energy demand, the need to find clean and renewable energy sources has become increasingly urgent. Hydrogen energy, as an efficient and zero-emission energy carrier, is attracting more and more attention. The hydrogen power system uses hydrogen as fuel and converts it into electrical energy and heat energy through chemical reactions to achieve efficient energy conversion. Among them, the hydrogen production by water electrolysis technology has become one of the important technologies in the field of hydrogen production due to its green and renewable characteristics.

[0003] Currently, the commonly used fuel vehicles on the market produce a large amount of exhaust emissions during driving, including harmful substances such as carbon dioxide and carbon monoxide. These gases have a serious impact on the environment and air quality, further exacerbating the greenhouse effect and air pollution problems. To address this issue, governments and enterprises around the world are actively promoting the development of new energy vehicles, and electric vehicles have emerged as a result.

[0004] However, although pure electric vehicles reduce exhaust emissions, they also have many problems and deficiencies:

[0005] Short driving range: Existing electric vehicles generally have the problem of short driving range, and users need to frequently charge during long-distance driving, resulting in a poor user experience.

[0006] Slow charging speed: The charging speed of electric vehicles is relatively slow. Even fast charging technology takes from dozens of minutes to several hours, which cannot meet the needs of users for rapid travel.

[0007] Insufficient charging facilities: The construction speed of charging infrastructure such as charging piles far lags behind the popularization speed of electric vehicles, resulting in the problem of difficult charging that users often face during use.

[0008] Therefore, technical personnel in this field provide a hydrogen production by water electrolysis hydrogen power system to solve the problems raised in the above background technique. Content of the Utility Model

[0009] Aiming at the deficiencies of the existing technology, the utility model provides a hydrogen production by water electrolysis hydrogen power system, which solves the problems of emission pollution, short pure electric driving range, slow charging speed and difficult charging existing in the existing technology.

[0010] To achieve the above objectives, the utility model is realized through the following technical solutions: A hydrogen production by water electrolysis hydrogen power system includes a water treatment module, a pure water pretreatment module, an electrolysis reaction module, a hydrogen storage module, an oxygen management module, a power supply module, a power module, and a control system;

[0011] The water treatment module is used to filter the added fresh water to obtain pure water;

[0012] The pure water pretreatment module is used to heat the pure water into steam by the heat of the engine exhaust pipe for electrolysis reaction;

[0013] The electrolysis reaction module is used to decompose steam into hydrogen and oxygen through electrolysis reaction;

[0014] The hydrogen storage module is used to store the pure hydrogen generated by electrolysis and further dry the hydrogen for use in the vehicle power system;

[0015] The oxygen management module is used to manage and process the oxygen generated by the electrolysis reaction;

[0016] The power supply module is used to supply electrical energy for the electrolysis reaction and the engine;

[0017] The power module is used to drive the engine using hydrogen as fuel;

[0018] The control system is used to control the hydrogen injection amount and ignition time;

[0019] The water treatment module is connected to the pure water pretreatment module through a pipeline. The electrolysis reaction module is connected to the pure water pretreatment module through a pipeline. The electrolysis reaction module is connected to the hydrogen storage module through a pipeline. The hydrogen storage module is connected to the oxygen management module through a pipeline. The hydrogen storage module is connected to the power module through a pipeline. The power module is electrically connected to the control system. The power supply module is electrically connected to the power module, the control system, the electrolysis reaction module, the hydrogen storage module, and the oxygen management module.

[0020] Preferably, the water treatment module includes a water tank and a filter. The water tank is used to store one or more of river water and rainwater. The filter is used to filter fresh water to obtain pure water.

[0021] Preferably, the pure water pretreatment module includes an engine exhaust pipe. The engine exhaust pipe is used to heat the pure water into steam by the heat of the exhaust pipe.

[0022] Preferably, the electrolysis reaction module includes an electrolysis reactor, an H2 separator, an H2 cooler, an H2 dehumidifier, an O2 separator, an O2 cooler, and an O2 dehumidifier;

[0023] The electrolysis reactor is used to: electrolyze steam into hydrogen and oxygen;

[0024] The H2 separator is used to separate hydrogen;

[0025] The H2 cooler is used to cool the separated hydrogen;

[0026] The H2 dehumidifier is used to remove moisture from the hydrogen;

[0027] The O2 separator is used to separate oxygen;

[0028] The O2 cooler is used to cool the separated oxygen;

[0029] The O2 dehumidifier is used to remove moisture from the oxygen.

[0030] Preferably, the hydrogen storage module includes a hydrogen purity meter, a pure hydrogen storage tank, and a hydrogen drying device;

[0031] The hydrogen purity meter is used to monitor the amount of hydrogen;

[0032] The pure hydrogen storage tank is used to store pure hydrogen;

[0033] The hydrogen drying device is used to further dry the hydrogen.

[0034] Preferably, the oxygen management module includes an oxygen management unit;

[0035] The oxygen management unit is used to control the use and emission of oxygen.

[0036] Preferably, the power module includes a lithium battery, a solar panel, a wind power generation device, and a charging port;

[0037] The lithium battery is used to provide electrical energy for the electrolysis reaction device;

[0038] The solar panel is used to charge through solar energy;

[0039] The wind power generation is used to charge through the wind power generation device;

[0040] The charging port is used for the external power charging interface.

[0041] Preferably, the power module includes an intake system, an ignition system, an exhaust system, a cooling system, a lubrication system, a starter motor, a generator, an engine block, and a supercharged air system;

[0042] The intake system includes a twin-turbocharger and an air-to-air intercooler; the ignition system includes an ignition coil, a spark plug, and an ignition control module; the exhaust system is used to discharge high-temperature exhaust gas and preheat pure water; the cooling system is used to reduce the intake air temperature and increase the intake air density; the lubrication system is used for lubricating the moving parts of the engine; the starter motor is used to initially start the engine; the generator is used to provide power for the electrolysis device and the lithium battery after the vehicle starts; the supercharged air system is used to provide supercharged air to the engine.

[0043] Preferably, the control system includes an ECU and an energy regulation algorithm unit;

[0044] The energy regulation algorithm unit uses a particle swarm optimization algorithm to optimize the energy distribution between the power supply module, the electrolysis reaction module, and the power module.

[0045] The utility model has the following beneficial effects:

[0046] 1. By using water as a raw material, the utility model electrolyzes to produce hydrogen. The emission after hydrogen combustion is pure water, effectively reducing the emission of greenhouse gases such as carbon dioxide and carbon monoxide, reducing environmental pollution, and using renewable energy to supply power to the system, further reducing energy costs.

[0047] 2. The electrolysis reaction module of the utility model efficiently decomposes water into hydrogen and oxygen. The energy utilization efficiency is further improved through an optimization algorithm, and the excess energy can be converted into electric energy for storage, enhancing the overall energy efficiency.

[0048] 3. The utility model can be used not only for automobiles but also for equipment that requires power drive such as ships, construction machinery, locomotives, and generator sets, and has a wide range of application prospects. Through a distributed control and intelligent energy management system, the system can flexibly adapt to different operating environments and working conditions and provide a stable power output. Description of the Drawings

[0049] Figure 1 It is a schematic diagram of the system module framework structure of the utility model;

[0050] Figure 2 It is a schematic diagram of the system operation framework of the utility model. Detailed Embodiments

[0051] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0052] Please refer to the attached Figure 1 - attached Figure 2 , an embodiment provided by the utility model: The utility model embodiment provides a hydrogen production by water electrolysis hydrogen power system, including a water treatment module, a pure water pretreatment module, an electrolysis reaction module, a hydrogen storage module, an oxygen management module, a power supply module, a power module, and a control system;

[0053] The water treatment module is connected to the pure water pretreatment module through pipelines. The electrolysis reaction module is connected to the pure water pretreatment module through pipelines. The electrolysis reaction module is connected to the hydrogen storage module through pipelines. The hydrogen storage module is connected to the oxygen management module through pipelines. The hydrogen storage module is connected to the power module through pipelines. The power module is electrically connected to the control system. The power supply module is electrically connected to the power module, the control system, the electrolysis reaction module, the hydrogen storage module, and the oxygen management module.

[0054] Specifically, during the operation of the system, when the start button is pressed, the motor drives the engine to perform a triggering motion. The piston starts to move downward from the top dead center. At this time, the pressure inside the cylinder is lower than the atmospheric pressure, and the intake valve opens. As the piston moves downward, a negative pressure is formed inside the cylinder, causing the intake valve to open and air to be sent into the cylinder. The piston starts to move upward from the bottom dead center, and the intake valve closes. As the piston moves upward, the air inside the cylinder is compressed, and the temperature and pressure increase, generating high-temperature and high-pressure air. When the piston of the cylinder runs to a specific position before the top dead center of the exhaust stroke, the ECU precisely controls the injection amount and injection time of hydrogen according to the amount of inhaled air. The high-pressure injection device injects hydrogen into the cylinder, forming a combustible mixture cloud. At the same time, the ECU sends a signal, and the ignition system ignites the high-temperature and high-pressure fuel and air mixture at the top dead center of the piston's movement in the order of 1-5-3-6-2-4 (for a 6-cylinder engine), generating deflagration and pushing the piston downward. The piston moves from the bottom dead center to the top dead center. At this time, the intake valve closes, and the exhaust valve opens, and the high-temperature gas is discharged from the cylinder. The discharged high-temperature gas raises the temperature of the exhaust pipe to 600 - 700 degrees. The high-temperature exhaust pipe is used to heat the pure water in the water tank, turning it into steam, which is then input into the electrolysis device for electrolytic hydrogen production, thus realizing continuous circulation.

[0055] The water treatment module is used to filter the added fresh water to obtain pure water; it includes a water tank and a filter. The water tank is used to store one or more of river water and rainwater, and the filter is used to filter fresh water to obtain pure water. The pure water pretreatment module is used to heat the pure water into steam using the heat of the engine exhaust pipe for electrolysis reaction; it includes the engine exhaust pipe, which is used to heat the pure water into steam through the exhaust pipe heat. The electrolysis reaction module is used to decompose steam into hydrogen and oxygen through electrolysis reaction; it includes an electrolysis reactor, an H2 separator, an H2 cooler, an H2 dehumidifier, an O2 separator, an O2 cooler, and an O2 dehumidifier;

[0056] The oxygen management module is used to manage and process the oxygen generated by the electrolysis reaction and includes an oxygen management unit;

[0057] Specifically, water passes through a filter to become pure water. After the pure water is heated by the engine exhaust pipe, it turns into water vapor and is input into the electrolysis reaction device. Through the electrolysis reaction, it is separated into hydrogen and oxygen. After the hydrogen is cooled and dehumidified, it is stored in the hydrogen storage tank to provide fuel for the hydrogen power. Part of the oxygen separated by the electrolysis reaction is discharged into the atmosphere, and the other part of the oxygen is input into the cab and used by the driver when driving on the plateau.

[0058] The hydrogen storage module is used to store the pure hydrogen generated by electrolysis and further dry the hydrogen for use in the vehicle power system; it includes a hydrogen purity meter, a pure hydrogen storage tank, and a hydrogen drying device.

[0059] Specifically, before the vehicle starts, it is necessary to ensure that there is sufficient hydrogen in the storage tank. When the hydrogen in the storage tank is insufficient, hydrogen is added to the storage tank through an external gas source, or the electrolysis device can be started through a control switch to produce hydrogen.

[0060] The power supply module is used to provide electrical energy for the electrolysis reaction and the engine; it includes a lithium battery, a solar panel, a wind power generation device, and a charging port.

[0061] Specifically, the electrolysis reaction is powered by a lithium battery. Before the engine starts, the lithium battery is charged through a charging pile, a wind power generation device, and a solar photovoltaic panel. After the vehicle starts, the generator starts to work. When the power of the lithium battery cannot meet the electrolysis requirement, the generator preferentially supplies power to the electrolysis device, and the remaining power charges the battery. When the power of the lithium battery meets the requirement, the generator stops working, and the electrolysis device is powered by the lithium battery.

[0062] The power module is used to drive the engine using hydrogen as fuel and includes an intake system, an ignition system, an exhaust system, a cooling system, a lubrication system, a starting motor, a generator, an engine block, and a supercharged air system.

[0063] Specifically, the intake system adopts a twin-turbocharger and an air-to-air intercooler. When the engine is started, when the exhaust gas flows into the twin-turbocharger, the exhaust gas pushes the turbine to rotate. The rotating turbine compresses the air to form high-pressure air, and then transmits the high-pressure air to the engine. After the compressed air enters the engine, it mixes with the fuel and burns in the combustion chamber to provide greater power. While the supercharger provides supercharged air to the engine, the supercharger will increase the intake air temperature due to compressing the air. The air-to-air intercooler reduces the engine intake air temperature by dissipating the heat in the intake air, increases the intake air density, thereby improving the combustion efficiency of the engine, reducing the emissions of the engine and the thermal load of the cylinder.

[0064] The hydrogen-powered engine ignition system includes components such as an ignition coil, a spark plug, and an ignition control module. When the ignition control module receives a trigger signal, it generates a high voltage in the ignition coil, ignites the ignition electrode in the spark plug, thereby igniting hydrogen, promoting the deflagration of hydrogen, igniting the high-temperature and high-pressure gas, pushing the piston downward, and generating power to do work.

[0065] The control system is used to control the hydrogen injection amount and ignition time, and includes an ECU and an energy regulation algorithm unit;

[0066] Specifically, the calculation steps of the energy regulation algorithm are as follows:

[0067] Initialize the particle swarm:

[0068] Initialize the particle swarm. Each particle represents a possible energy distribution scheme and system parameter setting, and set the initial position and velocity of each particle.

[0069] Fitness function:

[0070] Design a fitness function to calculate the operating efficiency and performance indicators of the system according to the energy distribution scheme and system parameter settings. The factors considered in the fitness function are: hydrogen production and consumption, electric energy consumption and recovery, power output and efficiency.

[0071] Update the particle velocity and position:

[0072] Use the following formula to update the particle velocity and position:

[0073]

[0074] x i (t + 1) = x i (t) + v i (t + 1)

[0075] where v i (t) represents the velocity of particle i at time t, and x i (t) represents the position of particle i at time t. ω represents the inertia weight, which controls the decay of the particle velocity. c1 and c2 respectively represent the learning factors, which control the degree of following of the particle to the personal best position and the global best position. r1 and r2 are random numbers in the range of [0, 1]. represents the personal best position of particle i at time t, and g best (t) represents the global best position.

[0076] Iterative optimization:

[0077] Repeat steps 2 and 3 until a predetermined number of iterations is reached or the fitness function reaches the set threshold.

[0078] Specific implementation steps:

[0079] Initialization: Initialize the particle swarm. Each particle represents an energy distribution scheme, including the energy distribution parameters among the electrolysis reaction device, the power supply module, and the power module.

[0080] Fitness function design: Set the fitness function:

[0081] f(x) = α · hydrogen production - β · power consumption + γ · power output efficiency - δ

[0082] · System fluctuation

[0083] where α, β, γ, and δ are weight coefficients, which are adjusted according to system requirements.

[0084] Update the particle velocity and position: In each iteration, update the velocity and position of each particle according to the above formula.

[0085] Iteration process: Repeatedly calculate the fitness function and update the particle position until a predetermined number of iterations is reached or the fitness function reaches a set threshold.

[0086] Working principle: Add fresh water to the water tank, then filter the fresh water through a filter to generate pure water; transport the pure water from the filter to the engine exhaust pipe, and use the heat of the engine exhaust pipe to heat the pure water into steam; transport the generated steam to the electrolysis reaction device, and then decompose the steam into hydrogen and oxygen through the electrolysis reaction device; the hydrogen generated by electrolysis passes through the H2 separator, cooler, and dehumidifier to remove impurities and moisture, and transport the treated hydrogen to the pure hydrogen storage tank for storage; the oxygen generated by electrolysis is processed through the O2 separator, cooler, and dehumidifier. Part of the oxygen is discharged into the atmosphere, and the other part is used by the driver when driving on the plateau; the lithium battery is charged through the solar panel, wind power generation device, and charging port. Before the vehicle starts, the lithium battery provides power for the electrolysis reaction device. After the vehicle starts, the generator provides power support for the electrolysis reaction device and the lithium battery; the hydrogen in the pure hydrogen storage tank is transported to the hydrogen-powered engine, and the starter motor drives the engine to make a triggering movement. The intake system of the engine uses a twin-turbocharger and an air-to-air intercooler to provide pressurized air. The ignition system includes an ignition coil, a spark plug, and an ignition control module. The hydrogen injection amount and ignition time are controlled through the control system. The engine generates power through the four strokes of intake, compression, combustion, and exhaust, and the high-temperature exhaust gas discharged during the operation of the engine is used to heat the pure water to form steam, which enters the electrolysis reaction device for electrolytic hydrogen production; finally, repeat steps S3 - S7 to complete the cycle.

[0087] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A hydrogen production and power system by electrolyzing water, characterized in that, It includes a water treatment module, a pure water pretreatment module, an electrolysis reaction module, a hydrogen storage module, an oxygen management module, a power module, a power unit, and a control system; The water treatment module is used to filter the added fresh water to obtain pure water; The pure water pretreatment module is used to heat the pure water into steam by the heat of the engine exhaust pipe for electrolysis reaction; The electrolysis reaction module is used to decompose steam into hydrogen and oxygen through electrolysis reaction; The hydrogen storage module is used to store the pure hydrogen generated by electrolysis and further dry the hydrogen for use in the vehicle power system; The oxygen management module is used to manage and process the oxygen generated by electrolysis reaction; The power module is used to provide electrical energy for electrolysis reaction and the engine; The power unit is used to drive the engine using hydrogen as fuel; The control system is used to control the hydrogen injection volume and ignition time; The water treatment module is connected to the pure water pretreatment module through a pipeline. The electrolysis reaction module is connected to the pure water pretreatment module through a pipeline. The electrolysis reaction module is connected to the hydrogen storage module through a pipeline. The hydrogen storage module is connected to the oxygen management module through a pipeline. The hydrogen storage module is connected to the power unit through a pipeline. The power unit is electrically connected to the control system. The power module is electrically connected to the power unit, the control system, the electrolysis reaction module, the hydrogen storage module, and the oxygen management module.

2. The hydrogen production by water electrolysis hydrogen power system according to claim 1, wherein The water treatment module includes a water tank and a filter. The water tank is used to store one or more of river water and rainwater. The filter is used to filter fresh water to obtain pure water.

3. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that, The pure water pretreatment module includes an engine exhaust pipe, which is used to heat the pure water into steam by the exhaust pipe heat.

4. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that, The electrolysis reaction module includes an electrolysis reactor, an H2 separator, an H2 cooler, an H2 dehumidifier, an O2 separator, an O2 cooler, and an O2 dehumidifier; The electrolysis reactor is used to electrolyze steam into hydrogen and oxygen; The H2 separator is used to separate hydrogen; The H2 cooler is used to cool the separated hydrogen; The H2 dehumidifier is used to remove moisture in hydrogen; The O2 separator is used to separate oxygen; The O2 cooler is used to cool the separated oxygen; The O2 dehumidifier is used to remove moisture in oxygen.

5. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that, The hydrogen storage module includes a hydrogen purity meter, a pure hydrogen storage tank, and a hydrogen drying device; The hydrogen purity meter is used to monitor the hydrogen volume; The pure hydrogen storage tank is used to store pure hydrogen; The hydrogen drying device is used to further dry hydrogen.

6. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that, The oxygen management module includes an oxygen management unit; The oxygen management unit is used to control the use and emission of oxygen.

7. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that The power module includes a lithium battery, a solar panel, a wind power generation device, and a charging port; The lithium battery is used to provide electrical energy for the electrolysis reaction device; The solar panel is used to charge through solar energy; The wind power generation is used to charge through the wind power generation device; The charging port is used for an external power charging interface.

8. The hydrogen production power system by water electrolysis according to claim 1, characterized in that, The power module includes an intake system, an ignition system, an exhaust system, a cooling system, a lubrication system, a starting motor, a generator, an engine block, and a supercharged air system; The intake system includes a twin-turbocharger and an air-to-air intercooler; the ignition system includes an ignition coil, a spark plug, and an ignition control module; the exhaust system is used to discharge high-temperature exhaust gas and preheat pure water; the cooling system is used to reduce the intake air temperature and increase the intake air density; the lubrication system is used for lubricating the moving parts of the engine; the starting motor is used to initially start the engine; the generator is used to provide power for the electrolysis device and the lithium battery after the vehicle starts; the supercharged air system is used to provide supercharged air to the engine.

9. The hydrogen production by water electrolysis hydrogen power system according to claim 1, characterized in that, The control system includes an ECU and an energy regulation algorithm unit; The energy regulation algorithm unit uses a particle swarm optimization algorithm to optimize the energy distribution between the power supply module, the electrolysis reaction module, and the power module.

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