Hydrogen fuel cell hybrid power locomotive
By designing buffer structures, protective devices, and heat insulation and dustproof measures for the power unit and the moving unit, the impact of locomotive vibration and the environment on the battery was resolved, ensuring battery stability and hydrogen delivery, and enabling the locomotive to operate normally and charge quickly in multiple scenarios.
Patent Information
- Application Number
- CN202511258131.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2026-02-24
AI Technical Summary
Continuous vibration during locomotive operation can cause battery tabs to loosen and connecting harnesses to fall off. Dust and humid environments can lead to battery corrosion and internal short circuits, decreased conductivity of the anion exchange membrane, excessive water production under high load or insufficient water production under low load, all of which affect battery performance and output power.
A hydrogen fuel cell hybrid electric vehicle was designed, including a fixed power unit and a mobile unit. It adopts a buffer and bracket structure, and is equipped with scrapers and protective bars for protection. The top cover is equipped with hinges and heat dissipation vents. The connecting frame is equipped with a liquid infusion pipe. The bracket engages and positions with the hydrogen storage tank. The long pipe is connected in a T-shape. The base is equipped with a placement box for heat preservation and dust prevention to ensure stable operation of the power unit.
It effectively prevents battery tabs from loosening and connecting harnesses from falling off, prevents battery corrosion and decreased conductivity, ensures stable hydrogen delivery, avoids condensation in long pipes, shortens charging time, and ensures normal operation of the locomotive under various environmental conditions.
Smart Images

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Abstract
Description
Technical Field
[0001] This invention relates to the field of train drive energy technology, specifically to a hydrogen fuel cell hybrid locomotive. Background Technology
[0002] New energy vehicles use unconventional vehicle fuels as their power source, integrating advanced technologies in vehicle power control and drive to create automotive products with advanced technical principles, new technologies, and new structures. To improve transportation efficiency and reduce energy utilization costs, the technological transformation of new energy sources is being fully applied to railway transportation.
[0003] The main components of a hydrogen fuel cell hybrid locomotive include: a fuel cell stack, a power battery pack, a hydrogen supply system, a traction converter, a traction motor, a thermal management system, a water management system, and a central control system. During operation, the central control system first self-checks the status of each component. Once normal operation is confirmed, the hydrogen supply system is activated, depressurizing high-pressure hydrogen before it is fed into the fuel cell stack, where it reacts with air to generate electricity. The traction motor is primarily driven by the fuel cell, with excess energy stored in the power battery. Under high loads, both components work together to supply power, and the power battery recovers energy during braking. During operation, the thermal management system maintains the fuel cell stack temperature, while the water management system discharges the water generated during the reaction. Before stopping, the load is gradually reduced, the hydrogen supply is cut off, and the system is depressurized and its status checked.
[0004] Continuous vibration during locomotive operation can easily cause battery tabs to loosen and connecting harnesses to detach. Dust and humid environments can cause corrosion of the battery casing and internal short circuits, especially in tunnels and open-pit mines, where problems are particularly prominent. This can lead to obstructed gas transmission, reduced conductivity of the anion exchange membrane due to insufficient water content, and decreased catalyst activity. This not only makes startup difficult but also reduces output power. Under high load, excessive water production can lead to cathode "flooding" if drainage is not timely, hindering oxygen transmission. Under low load, insufficient water production can cause membrane drying and reduce ionic conductivity. Summary of the Invention
[0005] Based on the aforementioned problems in the existing technology, the problems to be solved by this application are: continuous vibration during locomotive operation can easily lead to loosening of battery tabs and detachment of connecting harnesses; dust and humid environments can cause corrosion of the battery casing and internal short circuits, especially in tunnels and open-pit mines, resulting in obstructed gas transmission; insufficient water content of the anion exchange membrane reduces conductivity and catalyst activity, making startup difficult and reducing output power; excessive water production during high loads can easily lead to cathode "flooding" if drainage is not timely, hindering oxygen transmission; insufficient water production during low loads can cause membrane drying and reduce ionic conductivity.
[0006] The technical solution adopted by this application to solve its technical problem is: a hydrogen fuel cell hybrid electric vehicle, including a shell, on which a base is fixedly disposed:
[0007] The power unit includes a placement box fixedly mounted on the base, a fixing plate fixedly mounted inside the placement box, a bracket fixedly mounted on the fixing plate, a hydrogen storage tank fixedly mounted on the bracket, a reactor fixedly mounted on the fixing plate, a buffer fixedly mounted on the fixing plate, a long pipe one fixedly mounted on the hydrogen storage tank, and a long pipe two fixedly mounted on the buffer. The long pipe one and the long pipe two are interconnected. The power unit is used to drive the locomotive to move.
[0008] The mobile unit includes a connecting frame fixedly mounted on the bottom end of the base. Two rotating wheels are rotatably mounted on both ends of the connecting frame. A positioning plate is movably mounted between the rotating wheels. A connecting column is fixedly mounted on the positioning plate. A buckle ring is fixedly mounted on the connecting column. The buckle ring is movably connected to the base. The mobile unit is used to control the direction of locomotive movement.
[0009] Preferably, a scraper is fixedly installed on the front end of the outer shell, a protective rod is fixedly installed on the scraper, and a staircase is provided on the rear end of the base.
[0010] Preferably, the top of the outer shell is arc-shaped, and a vertical plate is fixedly installed on the outer shell. A horn is fixedly installed on the vertical plate. A top cover is fixedly installed on the base. Two evenly arranged vertical tubes are fixedly installed on the top cover. A dustproof plate is fixedly installed on the top cover.
[0011] Preferably, a hinge is fixedly provided on the top cover, an opening and closing plate is fixedly provided on the hinge, the opening and closing plate is rotatably connected to the top cover, a pull plate is provided on the opening and closing plate, a connecting pipe is fixedly provided on the top cover, and a heat dissipation vent is provided on the opening and closing plate.
[0012] Preferably, a vertical rod is fixedly provided on the upper surface of the base, and multiple vertical rods are evenly arranged among each other. A collar is fixedly provided at the top of each vertical rod, and a horizontal rod is fixedly provided on the collar.
[0013] Preferably, a pad is fixedly provided at the connection between the connecting frame and the base, a fixing plate is fixedly provided on the pad, and a fixing column is fixedly provided on the fixing plate, with the fixing columns evenly arranged between each other.
[0014] Preferably, a radiator is fixedly installed on the reactor, and the first long tube and the second long tube are arranged in a T-shape, with a sleeve fixedly installed at the connection between the first long tube and the second long tube.
[0015] Preferably, an infusion tube is fixedly installed on the side wall of the connecting frame, a buffer tank is fixedly installed on the outer circumferential surface of the infusion tube, and a guide plate is fixedly installed on the bottom end of the connecting frame.
[0016] Preferably, the two brackets are arranged parallel to each other, and each bracket is composed of two interlocking clamping plates, and the brackets are interlocked with the hydrogen storage tank.
[0017] Preferably, the length of the fixing plate and the first long tube is not greater than the length of the placement box.
[0018] The beneficial effects of this application are as follows: The hydrogen fuel cell hybrid locomotive provided by this application adopts a hydrogen fuel cell hybrid locomotive, which produces hydrogen in a timely manner through a hydrogen production device and feeds the hydrogen into the hydrogen fuel cell, so that the current in the hydrogen fuel cell is integrated into the battery to charge the battery, avoiding rapid loss of locomotive power energy. At the same time, the hydrogen fuel cell hybrid locomotive can not only be charged by the electricity generated by the hydrogen fuel cell, but also by an external charging device, shortening the charging time. The placement box set on the base can keep the power unit inside the placement box warm and dustproof, preventing internal condensation in the long pipe one and long pipe two of the power unit when the locomotive is operating in cold weather, thus ensuring the normal operation of the locomotive.
[0019] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. These will be further described in detail below with reference to figures. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0021] Figure 2 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;
[0022] Figure 3 This is a side view of the structure of the present invention;
[0023] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point B;
[0024] Figure 5 This is a schematic diagram of the positioning plate structure of the present invention;
[0025] Figure 6 This is a schematic diagram of the internal structure of the positioning plate of the present invention;
[0026] Figure 7 This is a schematic diagram of the power unit structure of the present invention;
[0027] Figure 8 For the present invention Figure 7 Enlarged structural diagram at point C.
[0028] In the diagram: 1. Outer shell; 11. Protective rod; 12. Scraper; 2. Vertical plate; 21. Horn; 3. Top cover; 31. Vertical pipe; 32. Dustproof plate; 33. Opening plate; 331. Hinge; 332. Pull plate; 333. Heat dissipation vent; 334. Connecting pipe; 4. Base; 41. Stairs; 42. Vertical rod; 421. Collar; 422. Horizontal rod; 5. Placement box; 6. Connecting frame; 61. Pad; 610. Infusion tube; 611. Buffer tank; 62. Fixing plate; 63. Fixing column; 631. Guide plate; 64. Positioning plate; 641. Connecting column; 642. Snap ring; 65. Rotary wheel; 7. Fixing plate; 71. Bracket; 72. Reactor; 73. Hydrogen storage tank; 731. Long pipe one; 732. Sleeve; 74. Radiator; 75. Buffer; 751. Long pipe two. Detailed Implementation
[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0030] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0031] Reference Figures 1-7 A hydrogen fuel cell hybrid electric vehicle includes a shell 1, on which a base 4 is fixedly mounted:
[0032] The power unit includes a placement box 5 fixedly mounted on a base 4, a fixing plate 7 fixedly mounted inside the placement box 5, a bracket 71 fixedly mounted on the fixing plate 7, a hydrogen storage tank 73 fixedly mounted on the bracket 71, a reactor 72 fixedly mounted on the fixing plate 7, a buffer 75 fixedly mounted on the fixing plate 7, a first long pipe 731 fixedly mounted on the hydrogen storage tank 73, and a second long pipe 751 fixedly mounted on the buffer 75. The first long pipe 731 and the second long pipe 751 are interconnected. The power unit is used to drive the locomotive to move.
[0033] The moving unit includes a connecting frame 6 fixedly mounted on the bottom of the base 4. The two ends of the connecting frame 6 are rotatably mounted with wheels 65. A positioning plate 64 is movably mounted between the wheels 65. A connecting column 641 is fixedly mounted on the positioning plate 64. A buckle ring 642 is fixedly mounted on the connecting column 641. The buckle ring 642 is movably connected to the base 4. The moving unit is used to control the moving direction of the locomotive.
[0034] Reference Figures 1-3 A scraper 12 is fixedly installed on the front end of the outer casing 1, and a protective rod 11 is fixedly installed on the scraper 12. A staircase 41 is provided on the rear end of the base 4. The scraper 12 installed on the outer casing 1 can remove and protect the obstructions in front of the locomotive, and the protective rod 11 installed on the scraper 12 can protect the device and ensure that the locomotive can operate normally.
[0035] Reference Figures 1-3 The top of the outer casing 1 is arc-shaped, and a vertical plate 2 is fixedly installed on the outer casing 1. A horn 21 is fixedly installed on the vertical plate 2. A top cover 3 is fixedly installed on the base 4. Two evenly arranged vertical pipes 31 are fixedly installed on the top cover 3. A dustproof plate 32 is fixedly installed on the top cover 3. By setting the top of the outer casing 1 to be arc-shaped, the resistance of wind to the device is reduced, ensuring that the device can operate stably and safely when traveling.
[0036] Reference Figures 1-5 A hinge 331 is fixedly installed on the top cover 3, and an opening and closing plate 33 is fixedly installed on the hinge 331. The opening and closing plate 33 is rotatably connected to the top cover 3. A pull plate 332 is provided on the opening and closing plate 33. A connecting pipe 334 is fixedly installed on the top cover 3. A heat dissipation vent 333 is provided on the opening and closing plate 33. The opening and closing plate 33 is positioned and fixed by the hinge 331 on the top cover 3. During use, the operator can control the opening and closing plate 33 by pulling the pull plate 332. The heat dissipation vent 333 on the opening and closing plate 33 can ensure the temperature of the components inside the device and avoid the situation where uneven heat dissipation causes the components to overheat and stop operating.
[0037] Reference Figures 3-5 A vertical rod 42 is fixedly installed on the upper surface of the base 4, and multiple vertical rods 42 are evenly arranged among each other. A collar 421 is fixedly installed at the top of each vertical rod 42, and a horizontal rod 422 is fixedly installed on the collar 421. The vertical rods 42 installed on the base 4 realize the function of fixing the horizontal rod 422 on the collar 421, thereby realizing the protection function for the staff walking on the base 4.
[0038] Reference Figures 3-6 A pad 61 is fixedly installed at the connection between the connecting frame 6 and the base 4. A fixing plate 62 is fixedly installed on the pad 61. A fixing column 63 is fixedly installed on the fixing plate 62, and the fixing columns 63 are evenly distributed among each other. The pad 61 installed on the connecting frame 6 increases the friction between the connecting frame 6 and the fixing plate 62, which prevents the connecting frame 6 from becoming loose due to vibration generated when the locomotive is running, thus ensuring the stability of the device.
[0039] Reference Figures 5-8A radiator 74 is fixedly installed on the reactor 72, and the long tube 731 and the long tube 751 are arranged in a T-shape. A sleeve 732 is fixedly installed at the connection between the long tube 731 and the long tube 751. The radiator 74 installed on the reactor 72 can dissipate the heat generated during the operation of the device, thereby ensuring that the reactor 72 is in a stable working state.
[0040] Reference Figures 5-8 An infusion pipe 610 is fixedly installed on the side wall of the connecting frame 6, and a buffer tank 611 is fixedly installed on the outer circumferential surface of the infusion pipe 610. A guide plate 631 is fixedly installed on the bottom end of the connecting frame 6. The infusion pipe 610 installed on the connecting frame 6 realizes the transportation and transmission of raw materials.
[0041] Reference Figures 6-8 The two brackets 71 are arranged parallel to each other, and each bracket 71 is composed of two interlocking clamping plates. The brackets 71 and the hydrogen storage tank 73 are interlocked. By setting the brackets 71 to be composed of two interlocking clamping plates, the hydrogen storage tank 73 is positioned and clamped, ensuring the stability of the hydrogen storage tank 73 during use.
[0042] Reference Figures 1-7 The lengths of the fixing plate 7 and the long tube 731 are not greater than the length of the placement box 5. By setting the size relationship between the fixing plate 7, the long tube 731 and the placement box 5, it is ensured that the staff will not get stuck when installing the device.
[0043] Specifically, this solution involves: producing hydrogen in a timely manner using hydrogen production equipment, feeding the hydrogen into the hydrogen fuel cell, integrating the current from the hydrogen fuel cell into the battery to charge the battery, thus preventing rapid loss of locomotive power. A scraper 12 on the outer casing 1 removes and protects against obstructions in front of the locomotive, and a protective rod 11 on the scraper 12 provides protection for the device, ensuring normal locomotive operation. A liquid delivery pipe 610 on the connecting frame 6 facilitates the transport and delivery of raw materials. Furthermore, the hydrogen fuel cell hybrid locomotive can be charged not only by the electricity generated by the hydrogen fuel cell but also by an external charging device, shortening charging time. A placement box 5 on the base 4 provides insulation and dust protection for the power unit inside, preventing internal condensation in the long pipe 731 and long pipe 751 of the power unit during operation in cold weather, ensuring normal locomotive operation.
[0044] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary. Under the framework of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
[0045] This invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. A hydrogen fuel cell hybrid electric vehicle, comprising a shell (1), wherein a base (4) is fixedly disposed on the shell (1), characterized in that... Also includes: The power unit includes a placement box (5) fixedly mounted on the base (4), a fixing plate (7) fixedly mounted inside the placement box (5), a bracket (71) fixedly mounted on the fixing plate (7), a hydrogen storage tank (73) fixedly mounted on the bracket (71), a reactor (72) fixedly mounted on the fixing plate (7), a buffer (75) fixedly mounted on the fixing plate (7), a first long pipe (731) fixedly mounted on the hydrogen storage tank (73), a second long pipe (751) fixedly mounted on the buffer (75), and the first long pipe (731) and the second long pipe (751) are interconnected. The power unit is used to drive the locomotive to move. The moving unit includes a connecting frame (6) fixedly mounted on the bottom end of the base (4). The two ends of the connecting frame (6) are rotatably mounted with wheels (65). A positioning plate (64) is movably mounted between the wheels (65). A connecting column (641) is fixedly mounted on the positioning plate (64). A buckle ring (642) is fixedly mounted on the connecting column (641). The buckle ring (642) is movably connected to the base (4). The moving unit is used to control the moving direction of the locomotive.
2. The hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, A scraper (12) is fixedly installed on the front end of the outer shell (1), and a protective rod (11) is fixedly installed on the scraper (12). A staircase (41) is opened on the rear end of the base (4).
3. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, The top of the outer shell (1) is arc-shaped, and a vertical plate (2) is fixedly installed on the outer shell (1). A horn (21) is fixedly installed on the vertical plate (2). A top cover (3) is fixedly installed on the base (4). Two evenly arranged vertical tubes (31) are fixedly installed on the top cover (3). A dustproof plate (32) is fixedly installed on the top cover (3).
4. A hydrogen fuel cell hybrid locomotive according to claim 3, characterized in that, A hinge (331) is fixedly installed on the top cover (3), and an opening and closing plate (33) is fixedly installed on the hinge (331). The opening and closing plate (33) is rotatably connected to the top cover (3). A pull plate (332) is provided on the opening and closing plate (33). A connecting pipe (334) is fixedly installed on the top cover (3), and a heat dissipation vent (333) is provided on the opening and closing plate (33).
5. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, A vertical rod (42) is fixedly provided on the upper surface of the base (4), and multiple vertical rods (42) are evenly arranged among each other. A collar (421) is fixedly provided on the top of each vertical rod (42), and a horizontal rod (422) is fixedly provided on the collar (421).
6. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, A pad (61) is fixedly provided at the connection between the connecting frame (6) and the base (4). A fixing plate (62) is fixedly provided on the pad (61). A fixing column (63) is fixedly provided on the fixing plate (62), and the fixing columns (63) are evenly arranged among each other.
7. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, A radiator (74) is fixedly installed on the reactor (72), and the first long tube (731) and the second long tube (751) are arranged in a T-shape. A sleeve (732) is fixedly installed at the connection between the first long tube (731) and the second long tube (751).
8. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, An infusion tube (610) is fixedly installed on the side wall of the connecting frame (6), a buffer tank (611) is fixedly installed on the outer circumferential surface of the infusion tube (610), and a guide plate (631) is fixedly installed on the bottom end of the connecting frame (6).
9. A hydrogen fuel cell hybrid locomotive according to claim 1, characterized in that, The two brackets (71) are arranged parallel to each other, and each bracket (71) is composed of two interlocking clamping plates. The brackets (71) and the hydrogen storage tank (73) are interlocked.
10. A hydrogen fuel cell hybrid locomotive according to claim 9, characterized in that, The lengths of the fixing plate (7) and the long tube (731) are not greater than the length of the placement box (5).