CN212737781U

CN212737781U - Vehicle-mounted hydrogen supply system of fuel cell automobile

Info

Publication number: CN212737781U
Application number: CN202120252314.6U
Authority: CN
Inventors: 李磊; 赵明月; 张晨阳; 张晨; 刘波
Original assignee: Henan Henan Henan Hydrogen Equipment Co ltd
Current assignee: Henan Henan Henan Hydrogen Equipment Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-03-19
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a vehicle-mounted hydrogen supply system of a fuel cell automobile, which comprises a bracket, wherein three hydrogen storage bottles are arranged on the bracket, the inlets and the outlets of the three hydrogen storage bottles are connected with a flow dividing valve shunting port through pipelines, the air inlet of the flow dividing valve is connected with the outlet of a one-way valve through a pipeline, the inlet of the one-way valve is connected with a hydrogenation port through a pipeline, the air outlet of the flow dividing valve is connected with an air inlet interface of a pressure reducer through a pipeline, the air inlet interface of the pressure reducer is connected with a high-pressure pipeline, the pressure reducer is provided with three air outlet interfaces and a pressure relief interface, the second air outlet interface of the pressure reducer is connected with a low-pressure pipeline through an emptying ball valve, and an external pile connecting port is reserved at the second air outlet interface of the pressure reducer, and the hydrogen safety of the whole vehicle is guaranteed.

Description

Vehicle-mounted hydrogen supply system of fuel cell automobile

Technical Field

The utility model relates to a new forms of energy fuel cell vehicle technical field specifically is a vehicle-mounted hydrogen supply system of fuel cell car.

Background

The hydrogen energy is a clean, efficient, safe and sustainable new energy, is regarded as the clean energy with the most development potential in the 21 st century, and is the strategic energy development direction of human beings. In recent years, fuel cell vehicles have been rapidly developed as the most widespread application scenario, and power has been injected for the marketing application of fuel cell vehicles in the field of policies such as "ten thousand vehicles in ten cities" and "joint declaration of urban communities". The on-vehicle hydrogen supply system of the fuel cell vehicle is roughly composed of three parts: the first part is a pipeline system of hydrogen, comprising a hydrogen storage bottle, a bottle valve, a pressure reducer, a high-pressure pipeline and a low-pressure pipeline, etc. The second part is a hydrogen management system which is mainly used for communication with an engine controller FCU and comprises a cylinder valve electromagnetic valve switch, collection and display of gas temperature in a hydrogen storage bottle, collection and display of gas pressure in the hydrogen storage bottle and the like. The third part is the safety system of hydrogen gas, including the leakage detection of hydrogen gas and some hydrogen safety devices, such as cylinder valves, safety valves, etc. The traditional vehicle-mounted hydrogen supply system structure device is large, large in occupied space and high in processing cost, and can not meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a fuel cell car's on-vehicle hydrogen system that supplies, the pipe-line system is integrated more pleasing to the eye, and management system has adopted the modularized design, and safety coefficient has the strategy of coping with multiple failure mode, provides the guarantee for whole car hydrogen safety, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vehicle-mounted hydrogen supply system of a fuel cell automobile comprises a support, wherein three hydrogen storage bottles are arranged on the support, an inlet and an outlet of each hydrogen storage bottle are connected with a flow dividing port of a flow dividing valve through a pipeline, an air inlet of the flow dividing valve is connected with an outlet of a one-way valve through a pipeline, an inlet of the one-way valve is connected with a hydrogen adding port through a pipeline, an air outlet of the flow dividing valve is connected with an air inlet port of a pressure reducer through a pipeline, the air inlet port of the pressure reducer is connected with a high-pressure pipeline, three air outlet ports and a pressure relief port are arranged on the pressure reducer, a second air outlet port of the pressure reducer is connected with a low-pressure pipeline through an emptying ball valve, an external electric pile connecting port is reserved at a second air outlet port of the pressure reducer, a third air outlet port of the pressure reducer is connected with a safety valve, the first interface of giving vent to anger of pressure reducer is equipped with low pressure sensor, and low pressure sensor and flow divider pass through the wire and are connected with the HMS controller, and the HMS controller is connected with hydrogen concentration probe through the wire, and hydrogen concentration probe is located the top of hydrogen storage bottle.

Further, a cylinder valve is arranged at the inlet and the outlet of the hydrogen storage cylinder, a PRD emptying port of the cylinder valve is connected with a low-pressure pipeline through a guide pipe, and the cylinder valve is connected with the HMS controller through a lead.

Further, the hydrogen storage bottle is connected with the bracket through a hoop.

Furthermore, a fire arrestor is connected to the joint of the second air outlet interface of the pressure reducer and the low-pressure pipeline through a Y-shaped pipeline.

Furthermore, an infrared emitter is arranged on the inner side of the hydrogenation port and connected with the HMS controller through a lead.

Compared with the prior art, the beneficial effects of the utility model are that: the vehicle-mounted hydrogen supply system of the fuel cell vehicle has the advantages that the pipeline system is more integrated and attractive, the management system adopts a modular design, and the safety system has a strategy of coping with various failure modes, so that the hydrogen safety of the whole vehicle is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the frame structure of the present invention.

In the figure: 1 hydrogen storage bottle, 2 bottle valves, 3 hydrogenation ports, 4 one-way valves, 5 flow divider valves, 6 pressure reducers, 7 safety valves, 8 low-pressure sensors, 9 emptying ball valves, 10 flame arresters, 11 hydrogen concentration probes, 12 HMS controllers, 13 infrared transmitters, 14 high-pressure pipelines, 15 low-pressure pipelines, 16 supports and 17 hoops.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a vehicle-mounted hydrogen supply system of fuel cell car, includes support 16, be equipped with three hydrogen storage bottle 1 on support 16, the exit of three hydrogen storage bottle 1 is connected through pipeline and 5 diffluent ports of flow divider valve, the air inlet of flow divider valve 5 passes through the exit linkage of pipeline and check valve 4, and the import of check valve 4 passes through the pipeline and is connected with hydrogenation mouth 3, the gas outlet of flow divider valve 5 passes through pipeline and 6 inlet interface connection of pressure reducer, and inlet interface connection of pressure reducer 6 has high-pressure pipeline 14, be equipped with three outlet interface and a pressure release interface on the pressure reducer 6, the three outlet interface of pressure reducer 6 is respectively the first outlet interface, the second outlet interface and the third outlet interface of giving vent to anger, and the second outlet interface of pressure reducer 6 is connected with low pressure pipeline 15 through evacuation ball valve 9, and the second outlet interface of pressure reducer 6 leaves the outside pile connector, the third air outlet interface of the pressure reducer 6 is connected with a safety valve 7, the pressure relief interface of the pressure reducer 6 is connected with the air outlet interface of the safety valve 7 through a three-way joint, the other end of the three-way joint is connected with a low-pressure pipeline 15 through a guide pipe, a low-pressure sensor 8 is arranged on the first air outlet interface of the pressure reducer 6, the low-pressure sensor 8 and the flow dividing valve 5 are connected with a HMS controller 12 through a guide wire, the HMS controller 12 is connected with a hydrogen concentration probe 11 through a guide wire, the hydrogen concentration probe 11 is positioned above the hydrogen storage bottle 1, a cylinder valve 2 is arranged at the inlet and outlet of the hydrogen storage bottle 1, the cylinder valve 2 is in the prior art and consists of a pipeline and an electromagnetic valve, the electromagnetic valve is arranged in the pipeline, the PRD emptying port of the cylinder valve 2 is connected with the low-pressure pipeline 15 through a guide pipe, the cylinder valve 2 is connected with the HMS controller 12 through a fire-arresting wire, the cylinder 1 is connected with, the inboard of hydrogenation mouth 3 is equipped with infra-red transmitter 13, infra-red transmitter 13 is connected with HMS controller 12 through the wire, when the hydrogenation rifle inserts the inside hydrogenation of hydrogenation mouth 3, carry out interactive communication through the CAN communication on infra-red transmitter 13 and the hydrogenation rifle, temperature and pressure monitoring when realizing automatic hydrogenation, the pipe-line system is more integrated pleasing to the eye, management system has adopted the modularized design, safety coefficient has the strategy of coping with multiple failure mode, provide the guarantee for whole car hydrogen safety.

When in use: in a normal state, the electromagnetic valve of the cylinder valve 2 is closed, so that the gas in the hydrogen storage cylinder 1 is isolated from the outside; when in a filling state, high-pressure hydrogen sequentially passes through the hydrogenation port 3, the one-way valve 4, the flow dividing valve 5 and the cylinder valve 2 and then is filled into the hydrogen storage bottle 1 through the high-pressure pipeline 14, the hydrogenation port 3, the one-way valve 4 and the cylinder valve 2 provide a one-way stop function to prevent the hydrogen from flowing back, and the flow dividing valve 5 serves as a node of the high-pressure pipeline 14 to provide flow dividing and stopping functions; when in gas supply state, the electromagnetic valve of the cylinder valve 2 is opened, high-pressure hydrogen is decompressed to 1.5MPa through the flow dividing valve 5 and the pressure reducer 6, a stable gas source is provided for a fuel cell engine through the low-pressure pipeline 15, when in gas supply, the electromagnetic valve of the cylinder valve 2 is electrified, the pilot hole of the electromagnetic valve is opened to establish backpressure balance, the electromagnetic force is far greater than the elastic force of a spring, and the cylinder valve 2 is instantaneously opened and supplies gas to the outside through the main flow passage; when the whole vehicle is started, the HMS controller 12 is powered by the fuel cell engine controller FCU, and the HMS controller 12 samples the temperature of the hydrogen storage bottle through a thermistor arranged in the bottle valve 2; the HMS controller 12 samples the high pressure line pressure through the high pressure sensor on the diverter valve 5; the HMS controller 12 samples the pressure of the low-pressure pipeline 15 through the low-pressure sensor 8 on the pressure reducer 6; the HMS controller 12 samples the hydrogen concentration through the hydrogen concentration probe 11, and simultaneously drives three cylinder valve electromagnetic valves by using a 10kHz high-frequency PWM signal, and carries out interactive communication with the FCU controller and the infrared transmitter 13 through CAN communication.

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. A vehicle-mounted hydrogen supply system of a fuel cell vehicle, comprising a bracket (16), characterized in that: be equipped with three hydrogen storage bottle (1) on support (16), the exit of three hydrogen storage bottle (1) is connected with flow divider (5) branch sprue through the pipeline, the air inlet of flow divider (5) passes through the exit linkage of pipeline and check valve (4), and the import of check valve (4) is connected with hydrogenation mouth (3) through the pipeline, the gas outlet of flow divider (5) passes through pipeline and pressure reducer (6) interface connection that admits air, and the interface connection that admits air of pressure reducer (6) has high-pressure pipeline (14), be equipped with three interface and a pressure release interface of giving vent to anger on pressure reducer (6), the second interface of giving vent to anger of pressure reducer (6) is connected with low-pressure pipeline (15) through evacuation ball valve (9), and the second interface of giving vent to anger of pressure reducer (6) leaves outside pile connector, the third interface connection of giving vent to anger of pressure reducer (6) has, the pressure release interface of pressure reducer (6) links to each other through the interface of giving vent to anger of three way connection with relief valve (7), and this three way connection's the other end passes through the pipe and is connected with low pressure pipeline (15), be equipped with low pressure sensor (8) on the first interface of giving vent to anger of pressure reducer (6), low pressure sensor (8) and flow divider (5) are connected with HMS controller (12) through the wire, and HMS controller (12) are connected with hydrogen concentration probe (11) through the wire, and hydrogen concentration probe (11) are located the top of hydrogen storage bottle (1).

2. The on-vehicle hydrogen supply system of a fuel cell vehicle according to claim 1, characterized in that: a cylinder valve (2) is arranged at the inlet and outlet of the hydrogen storage cylinder (1), a PRD emptying port of the cylinder valve (2) is connected with a three-way joint connected with a low-pressure pipeline (15) through a guide pipe, and the cylinder valve (2) is connected with an HMS controller (12) through a lead.

3. The on-vehicle hydrogen supply system of a fuel cell vehicle according to claim 1, characterized in that: the hydrogen storage bottle (1) is connected with the bracket (16) through the hoop (17).

4. The on-vehicle hydrogen supply system of a fuel cell vehicle according to claim 1, characterized in that: and the joint of the second air outlet interface of the pressure reducer (6) and the low-pressure pipeline (15) is connected with a flame arrester (10) through a Y-shaped pipeline.

5. The on-vehicle hydrogen supply system of a fuel cell vehicle according to claim 1, characterized in that: an infrared emitter (13) is arranged on the inner side of the hydrogenation port (3), and the infrared emitter (13) is connected with an HMS controller (12) through a lead.