High-capacity high-integration vehicle-mounted hydrogen storage and supply device

Abstract

The utility model relates to the technical field of high-capacity high-integration vehicle-mounted hydrogen storage and supply devices, in particular to a high-capacity high-integration vehicle-mounted hydrogen storage and supply device which comprises two groups of multi-hydrogen storage bottle modules, two groups of hydrogen supply pipes and two groups of hydrogen filling ports, a plurality of groups of hydrogen storage bottles are arranged in one group of multi-hydrogen storage bottle modules, the tail ends of each group of hydrogen storage bottles are connected in series with a tail valve PRD centralized diffusion port through pipelines, and the front ends of the hydrogen storage bottles are communicated with bottle valves; one end of the cylinder valve is communicated with the main pipeline, and the other end of the cylinder valve is connected in series to the cylinder valve TPRD centralized diffusion port; the main pipeline is connected with two groups of hydrogen filling ports and two groups of hydrogen supply pipes which are arranged oppositely; the hydrogenation port is connected with the main pipeline through a hydrogenation pipeline; a filter and a one-way valve are arranged on the hydrogenation pipeline; the hydrogen supply pipe is provided with a filter and a first-stage pressure reducing valve, and the rear part of the first-stage pressure reducing valve is branched into three pipelines which are respectively connected with an unloading valve, an electromagnetic valve and a needle valve. The device is compact in structure, high in modularization and integration degree and space utilization rate, convenient to arrange the whole locomotive, reliable in structure and convenient to popularize.

Description

Technical Field

[0001] The utility model relates to the technical field of large-capacity and highly integrated vehicle-mounted hydrogen storage and supply devices, in particular to a large-capacity and highly integrated vehicle-mounted hydrogen storage and supply device. Background Art

[0002] Hydrogen energy has been applied to a certain extent in the field of transportation, and the on-board hydrogen supply system is an important component of the main energy storage on the vehicle and ensuring the safe supply of hydrogen. The on-board hydrogen supply systems that are maturely used in mainstream industries such as passenger cars, commercial vehicles, and heavy trucks have a small hydrogen storage capacity, which is far from meeting the large hydrogen storage capacity needs of the rail transit industry, especially the rail transit heavy-duty locomotives require hydrogen storage of more than hundreds of kilograms, which places stringent requirements on the reasonable design and safety design of the on-board hydrogen supply system. The on-board hydrogen supply system of the present invention is based on a multi-bottle group of high-pressure hydrogen storage cylinders, while taking into account the system safety design, fully considering the locomotive application scenarios and working conditions, and can meet the hydrogen storage and supply needs of most locomotives. Utility Model Content

[0003] In order to overcome the existing deficiencies, the utility model provides a large-capacity and highly integrated vehicle-mounted hydrogen storage and supply device.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a large-capacity and highly integrated vehicle-mounted hydrogen storage and supply device, characterized in that it includes two groups of multi-hydrogen storage bottle modules, two groups of hydrogen supply pipes and two groups of hydrogen filling ports; one group of the multi-hydrogen storage bottle modules is provided with a plurality of groups of hydrogen storage bottles, each group of hydrogen storage bottles is connected to a centralized discharge port through a pipeline, and a bottle valve is installed at the front end; the bottle valve is provided with a temperature sensor and a high-pressure sensor installation interface, one end of which is connected to the main pipeline, and the other end is connected in series to the centralized discharge port of the bottle valve TPRD; two groups of hydrogen filling ports and two groups of hydrogen supply pipes with hedging settings are connected to the main pipeline; the hydrogen filling port is connected to the main pipeline through a hydrogen filling pipeline, and a filter and a one-way valve are provided on the hydrogen supply pipe; a filter and a first-level pressure reducing valve are provided on the hydrogen supply pipe, and the first-level pressure reducing valve is branched into three pipelines, which are respectively connected to a unloading valve, a solenoid valve and a needle valve.

[0005] According to another embodiment of the utility model, it further includes that the hydrogen storage bottles of each group of the multi-hydrogen storage bottle module are divided into several groups, and each group of hydrogen storage bottles is fixed to the mounting frame by a clamp with vibration reduction.

[0006] According to another embodiment of the utility model, it further includes that the mounting frame is fixed on the bracket of the hydrogen storage chamber; a plurality of groups of HMS hydrogen controllers are arranged on the mounting frame, and a plurality of groups of hydrogen concentration sensors are arranged on the top.

[0007] According to another embodiment of the utility model, it further includes that a PRD discharge device is arranged at the tail end of each group of hydrogen storage bottles, and the PRD discharge device is connected to a centralized discharge port through a pipeline.

[0008] According to another embodiment of the utility model, it further includes that one end of the bottle valve of each group of hydrogen storage bottles is connected in series with the main pipeline through a branch pipeline, and the other end is connected in series with the bottle valve TPRD centralized discharge port through a pipeline.

[0009] According to another embodiment of the utility model, it further comprises several groups of the hydrogen storage bottles, wherein the bottle valves of the first and the last hydrogen storage bottles are equipped with high-pressure pressure sensors.

[0010] According to another embodiment of the utility model, further comprising: a medium pressure sensor is provided on the first-stage pressure reducing valve.

[0011] According to another embodiment of the utility model, it further includes that the unloading valve is connected to the N6 unloading exhaust port, the solenoid valve is connected to the N5 stack hydrogen inlet through a metal hose, and the needle valve is connected to the N2 port.

[0012] Beneficial effects of the utility model:

[0013] 1. This vehicle-mounted hydrogen supply system adopts a dual hydrogen supply pipe and dual hydrogen refueling port design to increase system reliability and hydrogen refueling convenience;

[0014] 2. The multi-hydrogen storage bottle group module has high integration and large hydrogen storage capacity. The dual hydrogen storage module is used, and maintenance space is reserved between the two hydrogen storage modules. The system valves and pipelines are integrated in the space to increase the convenience of system maintenance;

[0015] 3. In terms of pipeline layout, considering safety leakage, several bottle groups are connected in series and connected to the main pipeline through a pipeline, which reduces pipeline joints and thus reduces leakage points;

[0016] 4. In addition, several hydrogen concentration sensors are arranged on the top of the hydrogen storage chamber to monitor the possible leakage of the system in real time;

[0017] 5. Pressure sensors are installed in both the high-pressure and medium-pressure parts of the on-board hydrogen supply system to monitor the system pressure status in real time;

[0018] 6. The TPRD device at the bottle valve can quickly discharge the gas in the pressure relief system in an emergency;

[0019] 7. The whole system has a compact structure, high modularization, integration and space utilization, which is convenient for locomotive layout, reliable structure, simple on-site installation and operation, and greatly reduces costs. This structure is the first of its kind and is worth promoting. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is the electrical connection diagram of the utility model;

[0022] Figure 2 It is a structural diagram of the utility model;

[0023] Figure 3 yes Figure 2 Schematic diagram of the structure of AA.

[0024] In the figure, 1. multi-hydrogen storage bottle module, 2. hydrogen supply pipe, 3. hydrogen filling port, 4. hydrogen storage bottle, 5. bottle valve, 6. high-pressure pressure sensor, 7. first-stage pressure reducing valve, 8. mounting frame, 9. hydrogen storage chamber, 10. bracket, 11. HMS hydrogen controller, and 12. hydrogen concentration sensor. DETAILED DESCRIPTION

[0025] like Figure 1 It is a structural schematic diagram of the utility model, a large-capacity and highly integrated vehicle-mounted hydrogen storage and supply device, comprising two groups of multi-hydrogen storage bottle modules 1, two groups of hydrogen supply pipes 2 and two groups of hydrogen filling ports 3; one group of the multi-hydrogen storage bottle modules 1 is provided with a plurality of groups of hydrogen storage bottles 4, each group of hydrogen storage bottles 4 is connected to a centralized discharge port through a pipeline, and a bottle valve 5 is installed at the front end; the bottle valve 5 is provided with a temperature sensor and a high-pressure sensor installation interface, one end of which is connected to the main pipeline, and the other end is connected in series to the centralized discharge port of the bottle valve TPRD; the main pipeline is connected with two groups of hydrogen filling ports 3 and two groups of hydrogen supply pipes 2 with hedging settings; the hydrogen filling port 3 is connected to the main pipeline through a hydrogenation pipeline, and a filter and a one-way valve are provided on the hydrogen supply pipe 2; a filter and a first-level pressure reducing valve 7 are provided on the hydrogen supply pipe 2, and the first-level pressure reducing valve 7 branches into three pipelines, which are respectively connected to a unloading valve, a solenoid valve and a needle valve.

[0026] Specifically, a hydrogen refueling port 3 is arranged on each side of the locomotive, which can provide hydrogen refueling operations at the same time, making it convenient for hydrogen refueling on either side of the locomotive, thereby improving convenience and speed; the hydrogen supply pipe 2 adopts a dual-pipeline layout, and the complementary hydrogen supply improves the reliability of the system; a temperature sensor is integrated at the bottle valve 5 to monitor the safety status of the system; a dual hydrogen storage module 1 is adopted, with a maintenance space reserved in the middle of the module, and the system pipe joints are integrated in this area to facilitate maintenance and system leakage monitoring.

[0027] According to another embodiment of the utility model, it further includes that each group of the multi-hydrogen storage bottle module 1 has hydrogen storage bottles 4, and the hydrogen storage bottles 4 are divided into several groups, and each group of hydrogen storage bottles 4 is fixed to the mounting frame 8 by a clamp with vibration reduction.

[0028] According to another embodiment of the utility model, the mounting frame 8 is further fixed on the bracket 10 of the hydrogen storage chamber 9; a plurality of groups of HMS hydrogen controllers are arranged on the mounting frame 8, and a plurality of groups of hydrogen concentration sensors 12 are arranged on the top to improve the safety of the system.

[0029] According to another embodiment of the utility model, a PRD discharge device is further provided at the tail end of each group of hydrogen storage bottles 4, and each discharge device is connected to a main discharge pipeline through a pipeline. When the hydrogen in the hydrogen bottle encounters an emergency situation such as high temperature fire, the hydrogen can be discharged quickly and centrally through the centralized discharge port.

[0030] According to another embodiment of the utility model, it further includes that one end of the bottle valve 5 of each group of hydrogen storage bottles 4 is connected in series with the main pipeline through a branch pipeline, and the other end is connected in series with the bottle valve TPRD centralized discharge port through a pipeline.

[0031] Specifically, the mounting frame 8 of the vehicle-mounted hydrogen supply system is ensured to meet the design requirements in terms of strength and vibration impact through simulation calculations. Multiple hydrogen storage bottles 4 are fixed to the mounting frame 8 by means of vibration-damping clamps, fully considering maintainability. Several hydrogen storage bottles 4 are connected to the main pipeline through pipelines as a small module, reducing the number of joint connection points.

[0032] According to another embodiment of the utility model, it further comprises several groups of the hydrogen storage bottles 4 , wherein the bottle valves 5 of the first and last hydrogen storage bottles 4 are installed with high-pressure pressure sensors 6 .

[0033] According to another embodiment of the utility model, further comprising: a medium pressure sensor is provided on the first-stage pressure reducing valve 7 to monitor the pipeline pressure state in real time and transmit it to the driver display screen.

[0034] According to another embodiment of the utility model, it further includes that the unloading valve is connected to the N6 unloading exhaust port, the solenoid valve is connected to the N5 stack hydrogen inlet through a metal hose, and the needle valve is connected to the N2 port.

[0035] When the first pressure sensor 2 detects that the hydrogen storage tank 5 is full of hydrogen, the hydrogen filling port 54 is automatically closed, and the ground coolant inlet valve 4 and the ground coolant outlet valve 6 are closed at the same time, completing the hydrogen filling process.

[0036] In the specific operation process, the hydrogenation process is to connect the hydrogenation port 3 of the hydrogen storage bottle 4 from the ground hydrogenation station through a hydrogenation gun. The hydrogenation process is an exothermic reaction. The pressure value change is monitored by the high-pressure pressure sensor 6 set at the first and last hydrogen storage bottles 4. Then, when it is detected that the hydrogen storage tank 4 is full of hydrogen, the hydrogenation port 3 is automatically closed, and the hydrogenation port 3 is set on the main pipeline to stabilize the pressure in the bottle.

[0037] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all will fall within the scope of protection of the present invention.

Claims

1. A large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device, characterized in that: The invention comprises two groups of multi-hydrogen storage bottle modules (1), two groups of hydrogen supply pipes (2) and two groups of hydrogen filling ports (3); one group of the multi-hydrogen storage bottle modules (1) is provided with a plurality of groups of hydrogen storage bottles (4), each group of hydrogen storage bottles (4) is connected to a centralized discharge port through a pipeline, and a bottle valve (5) is installed at the front end; the bottle valve (5) is provided with a temperature sensor and a high-pressure sensor installation interface, one end of which is connected to the main pipeline, and the other end is connected in series to the centralized discharge port of the bottle valve TPRD; the main pipeline is connected with two groups of hydrogen filling ports (3) and two groups of hydrogen supply pipes (2) with a hedging arrangement; the hydrogen filling ports (3) are connected to the main pipeline through a hydrogen filling pipeline, and a filter and a one-way valve are provided on the hydrogen filling pipeline; the hydrogen supply pipe (2) is provided with a filter and a first-stage pressure reducing valve (7), and the first-stage pressure reducing valve (7) branches into three pipelines, which are respectively connected to a load relief valve, a solenoid valve and a needle valve.

2. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 1 is characterized in that: The hydrogen storage bottles (4) of each group of the multi-hydrogen storage bottle module (1) are divided into a plurality of groups, and each group of hydrogen storage bottles (4) is fixed to a mounting frame (8) by a clamp with vibration reduction.

3. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 2 is characterized in that: The mounting frame (8) is fixed on a bracket (10) of the hydrogen storage chamber (9); a plurality of groups of HMS hydrogen controllers are arranged on the mounting frame (8), and a plurality of groups of hydrogen concentration sensors (12) are arranged on the top.

4. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 2 is characterized in that: A PRD discharge device is arranged at the tail end of each group of hydrogen storage bottles (4), and the PRD discharge device is connected to a centralized discharge port through a pipeline.

5. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 2 is characterized in that: One end of the bottle valve (5) of each group of hydrogen storage bottles (4) is connected in series with the main pipeline through a branch pipeline, and the other end is connected in series with the bottle valve TPRD centralized release port through a pipeline.

6. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 2 is characterized in that: There are several groups of hydrogen storage bottles (4), wherein the bottle valves (5) of the first and last hydrogen storage bottles (4) are equipped with high-pressure pressure sensors (6).

7. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 1 is characterized in that: The first-stage pressure reducing valve (7) is provided with a medium-pressure sensor.

8. The large-capacity, highly integrated vehicle-mounted hydrogen storage and supply device according to claim 1 is characterized in that: The unloading valve is connected to the N6 unloading exhaust port, the solenoid valve is connected to the N5 stack hydrogen inlet through a metal hose, and the needle valve is connected to the N2 port.

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