CN111660837A

CN111660837A - Modularized electric automobile hydrogen-burning range extender

Info

Publication number: CN111660837A
Application number: CN202010657790.6A
Authority: CN
Inventors: 金源鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-09-15

Abstract

The invention provides a modularized hydrogen-burning range extender for an electric automobile, and relates to the field of electric automobiles. This modular electric automobile fires hydrogen and increases journey ware, including hydrogen storage module, engine module, generator module and increase journey ware control module, hydrogen storage module breather pipe and engine module are connected, engine module and generator module mechanical transmission are connected, increase journey ware control module respectively with the equal electric connection of hydrogen storage module, engine module, generator module. The modularized system provides high flexibility, so that the putting cost of the hydrogen-burning range extender is greatly reduced, and the problem of inconvenient charging of the electric automobile can be solved.

Description

Modularized electric automobile hydrogen-burning range extender

Technical Field

The invention relates to the field of electric automobiles, in particular to a modularized hydrogen-burning range extender for an electric automobile.

Background

Along with the gradual enhancement of environmental protection consciousness of people, the electric automobile is greatly developed by the advantages of energy conservation, environmental protection, low noise, simple structure, convenient maintenance and the like. But the fatal shortcoming of the device is that the endurance mileage is not long, the charging is slow, and the like. Although electric vehicle charging stations are vigorously built in various big cities at present, the charging stations still have a series of use problems of low density, long charging time, long queuing waiting time and the like. How to rapidly and effectively provide electric energy for an electric automobile is a subject. In addition, it is a great challenge to realize the release of a large number of hydrogen-burning range extenders for electric vehicles efficiently at a low cost.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a modularized hydrogen-burning range extender of an electric automobile, and solves the problems of putting the hydrogen-burning range extender of the electric automobile and endurance charging of the electric automobile.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the modularized electric automobile hydrogen-burning range extender comprises a hydrogen storage module, an engine module, a generator module and a range extender control module, wherein a hydrogen storage module vent pipe is connected with the engine module, the engine module is connected with the generator module in a mechanical transmission mode, and the range extender control module is respectively electrically connected with the hydrogen storage module, the engine module and the generator module.

Preferably, the hydrogen storage module includes high-pressure hydrogen tank, pressure sensor, high-pressure solenoid valve and stabiliser, the high-pressure solenoid valve can be opened and close the end of giving vent to anger of high-pressure hydrogen tank, the stabiliser can convert the atmospheric pressure of hydrogen and stable output.

Preferably, the pressure sensor is arranged in the high-pressure hydrogen tank and used for monitoring the internal pressure of the high-pressure hydrogen tank, and when the high-pressure hydrogen tank outputs hydrogen, the hydrogen sequentially passes through the high-pressure electromagnetic valve and the voltage stabilizer.

Preferably, the pressure sensor, the high-pressure electromagnetic valve and the voltage stabilizer are respectively and electrically connected with the range extender control module.

Preferably, the engine module comprises a hydrogen gas filtration system capable of filtering and purifying hydrogen gas and a hydrogen-fired engine that converts the thermal energy of hydrogen combustion into mechanical energy.

Preferably, the generator module comprises a generator, a transformer and a rectifier, wherein the generator converts mechanical energy into electric energy, the transformer can convert voltage output by the generator, and the rectifier can convert alternating current into direct current voltage for output.

Preferably, the transformer and the rectifier are electrically connected with the range extender control module respectively.

Preferably, the hydrogen-burning engine is connected with the generator through one of gear engagement, belt transmission and coaxial transmission, and the coaxial transmission is that a rotating shaft of the hydrogen-burning engine is fixedly connected with a rotating shaft of the generator through a coupler.

(III) advantageous effects

The invention provides a modularized electric automobile hydrogen-burning range extender. The method has the following beneficial effects:

1. according to the invention, the modularized hydrogen-burning range extender of the electric automobile is arranged on the electric automobile, and the hydrogen storage module, the engine module, the generator module and the range extender control module can be independently replaced, so that the hydrogen-burning range extender has high flexibility in putting, and the putting cost of the hydrogen-burning range extender is greatly reduced.

2. According to the invention, hydrogen enters the hydrogen-burning engine to be burned, the generated mechanical energy drives the generator in the generator module to generate electricity, the burned waste is pure water, the voltage output by the generator is converted into proper voltage by the transformer in the generator module, and then the proper voltage is rectified by the rectifier to output various DC voltages with rated voltages to be provided for the power system of the electric automobile, so that the problems of short endurance and difficult charging of the electric automobile can be effectively solved.

Drawings

Fig. 1 is a schematic connection diagram of modules of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1, the embodiment of the invention provides a modular electric vehicle hydrogen-burning range extender, which comprises a hydrogen storage module, an engine module, a generator module and a range extender control module, wherein a hydrogen storage module vent pipe is connected with the engine module, the engine module is in mechanical transmission connection with the generator module, and the range extender control module is respectively in electrical connection with the hydrogen storage module, the engine module and the generator module.

The hydrogen storage module comprises a high-pressure hydrogen tank, a pressure sensor, a high-pressure electromagnetic valve and a voltage stabilizer, wherein the high-pressure electromagnetic valve can open and close the gas outlet end of the high-pressure hydrogen tank, the voltage stabilizer can convert the gas pressure of hydrogen and stably output the hydrogen, the voltage stabilizer can measure the quantity of the hydrogen output outwards, the pressure sensor is arranged in the high-pressure hydrogen tank and is used for monitoring the internal pressure of the high-pressure hydrogen tank, when the high-pressure hydrogen tank outputs the hydrogen, the hydrogen sequentially passes through the high-pressure electromagnetic valve and the voltage stabilizer, the pressure sensor, the high-pressure electromagnetic valve and the voltage stabilizer are respectively and electrically connected with the range extender control module, the engine module comprises a hydrogen filtering system and a hydrogen engine, the hydrogen filtering system can filter and purify the hydrogen, the hydrogen engine converts the heat energy of hydrogen combustion into mechanical energy, the generator module, the transformer can transform the voltage output by the generator, the rectifier can convert alternating current into direct current voltage to be output, the transformer and the rectifier are respectively and electrically connected with the range extender control module, the hydrogen-fired engine is connected with the generator in one of a gear meshing mode, a belt transmission mode and a coaxial transmission mode, and the coaxial transmission mode is that a rotating shaft of the hydrogen-fired engine is fixedly connected with a rotating shaft of the generator through a coupler.

The working principle is as follows:

1. when the range extender control module detects that the electric quantity of the power system of the electric automobile is sufficient, the high-pressure electromagnetic valve is closed, and the hydrogen-burning engine is stopped;

2. when the range extender control module detects that the electric quantity of the power system of the electric automobile is insufficient, the high-pressure electromagnetic valve is opened, high-pressure hydrogen enters the engine module after the pressure is converted by the voltage stabilizer, the hydrogen is filtered and purified by the hydrogen filtering system in the engine module and then enters the hydrogen-burning engine to be burned, the generated mechanical energy drives the generator in the generator module to generate electricity, the burned waste is pure water, the voltage output by the generator is converted into proper voltage by the transformer in the generator module, and then the proper voltage is rectified by the rectifier to output direct-current voltages with various rated voltages to be provided for the power system of the electric automobile;

3. when the pressure sensor in the high-pressure hydrogen tank monitors that the pressure is too low and the gas output measured by the pressure stabilizer reaches a certain value, the high-pressure hydrogen tank can supplement hydrogen or directly replace the high-pressure hydrogen tank filled with hydrogen;

4. the modularized electric automobile hydrogen-burning range extender is arranged on an electric automobile, and the hydrogen storage module, the engine module, the generator module and the range extender control module can be independently replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Modular electric automobile fires hydrogen and increases journey ware, including hydrogen storage module, engine module, generator module and increase journey ware control module, its characterized in that: the hydrogen storage module breather pipe is connected with the engine module, the engine module is in mechanical transmission connection with the generator module, and the range extender control module is respectively in electric connection with the hydrogen storage module, the engine module and the generator module.

2. The modular electric vehicle hydrogen-burning range extender of claim 1, wherein: the hydrogen storage module comprises a high-pressure hydrogen tank, a pressure sensor, a high-pressure electromagnetic valve and a voltage stabilizer, wherein the high-pressure electromagnetic valve can be opened and closed at the air outlet end of the high-pressure hydrogen tank, and the voltage stabilizer can convert the air pressure of hydrogen and stably output the hydrogen.

3. The modular electric vehicle hydrogen-burning range extender of claim 2, wherein: the pressure sensor is arranged in the high-pressure hydrogen tank and used for monitoring the internal pressure of the high-pressure hydrogen tank, and when the high-pressure hydrogen tank outputs hydrogen, the hydrogen sequentially passes through the high-pressure electromagnetic valve and the voltage stabilizer.

4. The modular electric vehicle hydrogen-burning range extender of claim 2, wherein: and the pressure sensor, the high-pressure electromagnetic valve and the voltage stabilizer are respectively and electrically connected with the range extender control module.

5. The modular electric vehicle hydrogen-burning range extender of claim 1, wherein: the engine module comprises a hydrogen gas filtering system and a hydrogen-burning engine, wherein the hydrogen gas filtering system can filter and purify hydrogen gas, and the hydrogen-burning engine converts heat energy generated by hydrogen gas combustion into mechanical energy.

6. The modular electric vehicle hydrogen-burning range extender of claim 1, wherein: the generator module comprises a generator, a transformer and a rectifier, wherein the generator converts mechanical energy into electric energy, the transformer can transform the voltage output by the generator, and the rectifier can convert alternating current into direct current voltage to be output.

7. The modular electric vehicle hydrogen-fired range extender of claim 6, wherein: the transformer and the rectifier are electrically connected with the range extender control module respectively.

8. The modular electric vehicle hydrogen-burning range extender of claim 5, wherein: the hydrogen-burning engine is connected with the generator through one of gear engagement, belt transmission and coaxial transmission, and the coaxial transmission is that a rotating shaft of the hydrogen-burning engine is fixedly connected with a rotating shaft of the generator through a coupler.