A hydrogen fuel electric long-nose heavy truck

Abstract

The present disclosure relates to a hydrogen fuel electric long-nose heavy truck. The hydrogen fuel electric long-nose heavy truck includes a tractor chassis module and a tractor overall module. The tractor chassis module includes a vehicle frame, a fuel cell reactor, a cooling module, and a hydrogen fuel pipeline module. The vehicle frame is composed of a left vehicle frame girder and a right vehicle frame girder. The fuel cell reactor is arranged at the front end of the vehicle frame. The cooling module is centrally arranged on the left and right sides at the front ends of the left and right vehicle frame girders. The hydrogen fuel pipeline module is arranged on the upper end face of the vehicle frame and inside the vehicle frame. The present disclosure arranges the components of the tractor chassis module and the tractor overall module from a global perspective, reasonably utilizes the characteristics of existing components, integrates between modules, improves the space utilization rate of the whole vehicle, saves the lengths of pipelines and wire harnesses, and reduces the vehicle manufacturing cost.

Description

Technical Field

[0001] The present disclosure relates to the field of hydrogen fuel electric heavy trucks, and more particularly, to a hydrogen fuel electric long-nose heavy truck. Background Art

[0002] Currently, the hydrogen fuel electric heavy truck industry is just starting. The chassis of a hydrogen fuel electric heavy truck generally needs to be equipped with a hydrogen fuel reaction device, a supporting hydrogen supply system, and other systems. The hydrogen fuel electric heavy truck has an additional hydrogen fuel system, increasing the cooling module. Coupled with the existing drive motor cooling module, power battery cooling module, and air conditioning system cooling module of the hydrogen fuel electric heavy truck, there are a total of four cooling modules, which increases the layout difficulty of the whole vehicle.

[0003] There are relatively few such structural types of existing hydrogen fuel electric heavy trucks, and the layout structure of the whole vehicle is not very reasonable, resulting in a low space utilization rate of the whole vehicle.

[0004] Therefore, one or more methods are needed to solve the above problems.

[0005] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present disclosure, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0006] The purpose of the present disclosure is to provide a hydrogen fuel electric long-nose heavy truck, thereby at least to a certain extent overcoming one or more problems caused by the limitations and defects of related technologies.

[0007] According to one aspect of the present disclosure, there is provided a hydrogen fuel electric long-nose heavy truck, including a tractor chassis module and a tractor integral module, wherein:

[0008] The tractor chassis module includes a frame, a fuel cell reactor, tires, an I-beam front axle, a tractor middle axle, a tractor rear axle, a hydrogen fuel intake module, a hydrogen fuel exhaust module, an electrical integration module, a cooling module, and a hydrogen fuel pipeline module. The frame is composed of a left frame girder and a right frame girder. The fuel cell reactor is arranged at the front end of the frame. The I-beam front axle is connected to the front end of the frame. The tractor middle axle is connected to the middle end of the frame. The tractor rear axle is connected to the rear end of the frame. The hydrogen fuel intake module, the hydrogen fuel exhaust module, and the electrical integration module are arranged between the left frame girder and the right frame girder. The cooling module is centrally arranged on the left and right sides at the front end of the left frame girder and the right frame girder. The hydrogen fuel pipeline module is arranged on the upper end surface of the frame and inside the frame;

[0009] The tractor integral module includes a long-nose tractor cab and a hydrogen fuel supply module, and the hydrogen fuel supply module is fixedly installed behind the long-nose tractor cab.

[0010] In an exemplary embodiment of the present disclosure, the tractor chassis module further includes a front anti-collision beam, a power battery pack, a driving device, an electric air pump, a steering gear, a low-voltage storage battery, and a trailer connector, where:

[0011] The front anti-collision beam is disposed at the front end of the vehicle frame;

[0012] The power battery pack, the driving device, the electric air pump, and the steering gear are disposed between the left and right vehicle frame beams;

[0013] The low-voltage storage battery and the trailer connector are disposed at the rear end of the vehicle frame.

[0014] The power battery pack includes two C-box lithium manganate power batteries connected in parallel with the fuel cell reactor.

[0015] In an exemplary embodiment of the present disclosure, the tires further include left front tires, right front tires, left middle axle tires, right middle axle tires, left rear axle tires, and right rear axle tires, where:

[0016] The left front tire is connected to the left side of the front axle of the I-beam, and the right front tire is connected to the right side of the front axle of the I-beam;

[0017] The left middle axle tire is connected to the left side of the middle axle of the tractor, and the right middle axle tire is connected to the right side of the middle axle of the tractor;

[0018] The left rear axle tire is connected to the left side of the rear axle of the tractor, and the right rear axle tire is connected to the right side of the rear axle of the tractor.

[0019] In an exemplary embodiment of the present disclosure, the hydrogen fuel supply module further includes a frame structure module, a hydrogen fuel supply module connection plate, and a vehicle frame beam fixed connection plate, where:

[0020] The frame structure module is provided with a hydrogen fuel supply module base, and the hydrogen fuel supply module base is connected through the hydrogen fuel supply module connection plate and the vehicle frame beam fixed connection plate, and the vehicle frame beam fixed connection plate is fixed on the vehicle frame;

[0021] The frame structure module is provided with a lifting ring and an outer covering plate, and the outer covering plate can be separately fixed, disassembled, and assembled.

[0022] In an exemplary embodiment of the present disclosure, the frame structure module further includes an upper space module and a bottom space module, where:

[0023] The upper space module includes hydrogen cylinders, pressure valves, and hydrogen supply connecting pipes. The pressure valves are disposed at the bottle mouths of the hydrogen cylinders, and the hydrogen supply connecting pipes are connected in series to the hydrogen cylinders;

[0024] The bottom space module includes a hydrogen supply system controller, a high-voltage battery box, a motor controller, a three-in-one controller, a high-voltage power distribution cabinet, a step-down DCDC, and a vehicle controller. The hydrogen supply system controller, the high-voltage battery box, the motor controller, the three-in-one controller, the high-voltage power distribution cabinet, the step-down DCDC, and the vehicle controller are centrally arranged at a preset fixed position;

[0025] In an exemplary embodiment of the present disclosure, the hydrogen fuel intake module further includes an air filter, an air filter screen, an intake pipe, an intake supercharger, and an air filter fixing bracket, where:

[0026] The air filter screen is arranged outside the air filter, and the air filter is used to filter air through an air filter element;

[0027] One end of the intake supercharger is connected to the air filter through the intake pipe, and the other end of the intake supercharger is connected to the fuel cell reactor. The intake supercharger is used to pressurize the filtered air and send the filtered and pressurized air into the fuel cell reactor;

[0028] The air filter fixing bracket is used to fix the air filter at the proximal end of the fuel cell reactor in the engine compartment on the upper end surface of the right frame girder.

[0029] In an exemplary embodiment of the present disclosure, the hydrogen fuel exhaust module further includes a hydrogen stack exhaust port, an exhaust pipe, an exhaust muffler, an exhaust tailpipe, and a muffler fixing bracket, where:

[0030] One end of the exhaust pipe is connected to the fuel cell reactor through the hydrogen stack exhaust port, and the other end of the exhaust pipe is connected to the exhaust tailpipe through the exhaust muffler. The longitudinal drop of the exhaust pipe is lower than the longitudinal drop of the waste water return;

[0031] The exhaust port of the exhaust tailpipe is inclined downward at a preset angle to the right;

[0032] The muffler fixing bracket integrally fixes the exhaust muffler, the exhaust tailpipe and the bracket of the cooling module.

[0033] In an exemplary embodiment of the present disclosure, the hydrogen fuel pipeline module further includes a hydrogen supply pipeline, a high-voltage wire harness, a low-voltage wire harness, a heat dissipation water pipe, and a fixing bracket, where:

[0034] The hydrogen supply pipeline is fixedly arranged on the upper end surface of the right frame girder, and the hydrogen supply pipeline is used to supply hydrogen to the fuel cell reactor;

[0035] The high-voltage wire harness is fixedly arranged on the upper end surface of the left frame girder, and the high-voltage wire harness is used to transmit high-voltage current;

[0036] The low-voltage wiring harness is fixedly arranged inside the right main beam of the vehicle frame and is used for transmitting low-voltage current;

[0037] The radiator water pipe is fixedly arranged inside the left main beam of the vehicle frame and is connected to the cooling module;

[0038] The fixing bracket is arranged between and on both sides of the left main beam and the right main beam of the vehicle frame. Fixing holes are provided on the fixing bracket, and the hydrogen supply pipeline, high-voltage wiring harness, low-voltage wiring harness, and radiator water pipe are connected to the fixing bracket through the fixing holes.

[0039] In an exemplary embodiment of the present disclosure, the electrical integration module further includes a main beam connecting plate, a fixed pipe beam, an electric air-conditioning compressor, and an electric power steering pump, where:

[0040] The electric air-conditioning compressor and the electric power steering pump are integrally arranged on the fixed pipe beam;

[0041] The fixed pipe beam is connected to the vehicle frame through the main beam connecting plate;

[0042] The fixed pipe beam and the main beam connecting plate are movably connected for adjusting a preset assembly space.

[0043] In an exemplary embodiment of the present disclosure, the cooling module further includes a fuel cell main radiator water tank, a fuel cell secondary radiator water tank, a power battery heat dissipation module, a motor cooling module, an air-conditioning condenser, and a vehicle body side decorative panel, where:

[0044] The fuel cell main radiator water tank is fixed outside the left main beam of the vehicle frame, and the fuel cell secondary radiator water tank is fixed outside the right main beam of the vehicle frame. The fuel cell main radiator water tank and the fuel cell secondary radiator water tank are connected in series. When the operating power of the fuel cell reactor is less than a preset value, the fuel cell main radiator water tank operates and the fuel cell secondary radiator water tank stops working. When the fuel cell reactor operates at full power, the fuel cell main radiator water tank and the fuel cell secondary radiator water tank work simultaneously;

[0045] Inside the power battery heat dissipation module, a PTC temperature heating device, a power battery air-conditioning compressor, and a power battery condenser are integrally arranged;

[0046] The motor cooling module is integrally fixed with the air-conditioning condenser, and the motor cooling module and the air-conditioning condenser share a set of cooling fans;

[0047] The vehicle body side decorative panel covers the outside of the fuel cell main radiator water tank, the fuel cell secondary radiator water tank, the power battery heat dissipation module, the motor cooling module, and the air-conditioning condenser.

[0048] A hydrogen fuel electric long-nose heavy truck in an exemplary embodiment of the present disclosure, the hydrogen fuel electric long-nose heavy truck includes a tractor chassis module and a tractor overall module, wherein the tractor chassis module includes a frame, a fuel cell reactor, a cooling module, and a hydrogen fuel pipeline module. The present disclosure arranges the components of the tractor chassis module and the tractor overall module from a global perspective, reasonably utilizes the characteristics of existing components, integrates between modules, improves the space utilization rate of the whole vehicle, saves the length of pipelines and wire harnesses, and reduces the vehicle manufacturing cost.

[0049] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] By referring to the accompanying drawings to describe its exemplary embodiments in detail, the above and other features and advantages of the present disclosure will become more obvious.

[0051] Figure 1 FIG. shows a schematic structural diagram of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0052] Figure 2 FIG. shows a schematic structural diagram of a tractor overall module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0053] Figure 3 FIG. shows a right view of a hydrogen fuel supply module of a tractor overall module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0054] Figure 4 FIG. shows a left view of a hydrogen fuel supply module of a tractor overall module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0055] Figure 5 FIG. shows a front view of a hydrogen fuel supply module of a tractor overall module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0056] Figure 6 FIG. shows a schematic structural diagram of a hydrogen fuel intake module of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0057] Figure 7 FIG. shows a schematic structural diagram of a hydrogen fuel exhaust module of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0058] Figure 8Shows a schematic structural diagram of a hydrogen fuel pipeline module of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0059] Figure 9 Shows a schematic structural diagram of an electrical integration module of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure;

[0060] Figure 10 Shows a schematic structural diagram of a cooling module of a tractor chassis module of a hydrogen fuel electric long-nose heavy truck according to an exemplary embodiment of the present disclosure. Detailed implementation manners

[0061] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar parts, and thus their repeated description will be omitted.

[0062] In addition, the described features, structures or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of the embodiments of the present disclosure. However, those skilled in the art will realize that the technical solutions of the present disclosure can be practiced without one or more of the specific details, or other methods, components, materials, devices, steps, etc. can be used. In other cases, well-known structures, methods, devices, implementations, materials or operations are not shown or described in detail to avoid obscuring aspects of the present disclosure.

[0063] The block diagrams shown in the drawings are only functional entities and do not necessarily correspond to physically independent entities. That is, these functional entities can be implemented in software form, or in one or more software-hardened modules, or in different networks and / or processor devices and / or microcontroller devices.

[0064] In the present exemplary embodiment, first, a hydrogen fuel electric long-nose heavy truck is provided; as shown in Figure 1 , the hydrogen fuel electric long-nose heavy truck includes a tractor chassis module and a tractor overall module, wherein:

[0065] The tractor chassis module includes a frame, a fuel cell reactor 1, tires, an I-beam front axle 4, a tractor middle axle 17, a tractor rear axle 20, a hydrogen fuel intake module 2, a hydrogen fuel exhaust module 34, an electrical integration module, a cooling module, and a hydrogen fuel pipeline module. The frame is composed of a left frame girder 24 and a right frame girder 15. The fuel cell reactor 1 is arranged at the front end of the frame. The I-beam front axle 4 is connected to the front end of the frame. The tractor middle axle 17 is connected to the middle of the frame. The tractor rear axle 20 is connected to the rear end of the frame. The hydrogen fuel intake module 2, the hydrogen fuel exhaust module 34, and the electrical integration module are arranged between the left frame girder 24 and the right frame girder 15. The cooling module is centrally arranged on the left and right sides at the front end of the left frame girder 24 and the right frame girder 15. The hydrogen fuel pipeline module is arranged on the upper end face of the frame and inside the frame;

[0066] The tractor overall module includes a long-head tractor cab 36 and a hydrogen fuel supply module 37. The hydrogen fuel supply module 37 is fixedly installed at the rear side of the long-head tractor cab 36.

[0067] A hydrogen fuel electric long-head heavy truck in an exemplary embodiment of the present disclosure includes a tractor chassis module and a tractor overall module. The tractor chassis module includes a frame, a fuel cell reactor 1, a cooling module, and a hydrogen fuel pipeline module. The present disclosure arranges the components of the tractor chassis module and the tractor overall module from a global perspective, reasonably utilizes the characteristics of existing components, integrates between modules, improves the space utilization rate of the whole vehicle, saves the length of pipelines and wire harnesses, and reduces the vehicle manufacturing cost.

[0068] Next, a hydrogen fuel electric long-head heavy truck in this exemplary embodiment will be further described.

[0069] In an exemplary embodiment of the present disclosure, as Figure 1 shown, the tractor chassis module further includes a front anti-collision beam 3, a power battery pack 12, a driving device 8, an electric air pump 25, a steering gear 33, a low-voltage battery 21, and a trailer connector 18, wherein:

[0070] The front anti-collision beam 3 is arranged at the front end of the frame and can be used to protect the fuel cell reactor 1;

[0071] The power battery pack 12, the driving device 8, the electric air pump 25, and the steering gear 33 are arranged between the left frame girder 24 and the right frame girder 15, and are centrally arranged to improve the space utilization rate of the whole vehicle;

[0072] The low-voltage battery 21 and the trailer connector 18 are arranged at the rear end of the frame;

[0073] The power battery pack 12 includes two C-box lithium manganese oxide power batteries. The lithium manganese oxide power battery has a higher discharge rate than traditional lithium iron phosphate batteries. The power battery pack 12 is connected in parallel with the fuel cell reactor 1 to jointly drive the tractor, effectively saving layout space.

[0074] In an exemplary embodiment of the present disclosure, as Figure 1 shown, the tires further include a left front tire 32, a right front tire 5, a left middle axle tire 23, a right middle axle tire 16, a left rear axle tire 22, and a right rear axle tire 19, where:

[0075] The left front tire 32 is connected to the left side of the front axle 4 of the I-beam, and the right front tire 5 is connected to the right side of the front axle 4 of the I-beam;

[0076] The left middle axle tire 23 is connected to the left side of the middle axle 17 of the tractor, and the right middle axle tire 16 is connected to the right side of the middle axle 17 of the tractor;

[0077] The left rear axle tire 22 is connected to the left side of the rear axle 20 of the tractor, and the right rear axle tire 19 is connected to the right side of the rear axle 20 of the tractor.

[0078] In an exemplary embodiment of the present disclosure, as Figures 2 - 5 shown, the hydrogen fuel supply module 37 further includes a frame structure module, a hydrogen fuel supply module connection plate 44, and a frame girder fixed connection plate 45, where:

[0079] The frame structure module is provided with a hydrogen fuel supply module base 41, and the hydrogen fuel supply module base 41 is connected through the hydrogen fuel supply module connection plate 44 and the frame girder fixed connection plate 45;

[0080] The frame girder fixed connection plate 45 is fixed on the frame;

[0081] The frame structure module is provided with a lifting ring 42 and an outer covering plate 43. The outer covering plate 43 encloses the hydrogen fuel supply module, preventing dust and water, being beautiful and tidy, reducing wind resistance. At the same time, the surrounding outer covering plates 43 can be individually fixed and disassembled, facilitating later maintenance and repair.

[0082] In an exemplary embodiment of the present disclosure, as Figures 2 - 5 shown, the frame structure module further includes an upper space module and a bottom space module, where:

[0083] The upper space module includes hydrogen cylinders 38. Preferably, eight hydrogen cylinders 38 with a pressure of 35 MPa and a volume of 210 L can be used. The opening and closing of the hydrogen cylinders 38 are controlled by the pressure valves 40 at the mouths of the hydrogen cylinders 38, and the eight hydrogen cylinders 38 are connected in series through the hydrogen supply connecting pipe 39.

[0084] The bottom space module includes a hydrogen supply system controller 11, a power battery high-voltage box 13, a motor controller 10, a three-in-one controller 14, a high-voltage power distribution cabinet 26, a step-down DCDC 27, and a vehicle controller 28. Concentrating the hydrogen supply system controller 11, the power battery high-voltage box 13, the motor controller 10, the three-in-one controller 14, the high-voltage power distribution cabinet 26, the step-down DCDC 27, and the vehicle controller 28 at a preset fixed position can shorten the lengths of the high-voltage harness and the low-voltage harness, saving the vehicle cost.

[0085] In an exemplary embodiment of the present disclosure, as Figure 6 shown, the hydrogen fuel intake module 2 further includes an air filter 47, an air filter screen 46, an intake pipe 49, an intake supercharger 50, and an air filter fixing bracket 48, where:

[0086] The air filter screen 46 is arranged outside the air filter 47 to roughly filter the air and remove large particles. The air filter 47 filters the air through the nano-level air filter element provided therein to remove dust and water.

[0087] One end of the intake supercharger 50 is connected to the air filter 47 through the intake pipe 49, and the other end of the intake supercharger 50 is connected to the fuel cell reactor 1. The intake supercharger 50 is used to pressurize the filtered air and send the filtered and pressurized air into the fuel cell reactor 1.

[0088] The air filter fixing bracket 48 is used to fix the air filter 47 at the proximal end of the fuel cell reactor 1 in the engine compartment body on the upper end surface of the right frame girder 15 of the vehicle frame. The engine compartment body itself can prevent dust and water, can further utilize the space of the engine compartment body. At the same time, the air filter 47 is close to the fuel cell reactor 1, the intake pipe is shorter, the layout is more compact, and the pipeline cost is lower.

[0089] In an exemplary embodiment of the present disclosure, as Figure 7 shown, the hydrogen fuel exhaust module 34 further includes a hydrogen stack exhaust port 51, an exhaust pipe 52, an exhaust muffler 55, an exhaust tail pipe 54, and a muffler fixing bracket 53, where:

[0090] One end of the exhaust pipe 52 is connected to the fuel cell reactor 1 through the hydrogen stack exhaust port 51, and the other end of the exhaust pipe 52 is connected to the exhaust tail pipe 54 through the exhaust muffler 55. The longitudinal drop of the exhaust pipe 52 is lower than the longitudinal drop of the waste water reflux to prevent the waste water from flowing back.

[0091] The exhaust port of the exhaust tail pipe 54 faces right and slopes downward at a preset angle to meet the regulatory requirements.

[0092] The muffler fixing bracket 53 is used to integrally fix the exhaust muffler 55, the exhaust tail pipe 54 and the bracket of the cooling module, saving the vehicle space.

[0093] In an exemplary embodiment of the present disclosure, as Figure 8 shown, the hydrogen fuel pipeline module further includes a hydrogen supply pipeline 59, a high-voltage wire harness 58, a low-voltage wire harness 56, a heat dissipation water pipe 57, and a fixing bracket, wherein:

[0094] The hydrogen supply pipeline 59 is fixedly arranged on the upper end surface of the right frame girder 15 of the vehicle frame, and the hydrogen supply pipeline 59 is used to supply hydrogen to the fuel cell reactor 1.

[0095] The high-voltage wire harness 58 is fixedly arranged on the upper end surface of the left frame girder 24 of the vehicle frame. The high-voltage wire harness 58 is used to transmit high-voltage current. The hydrogen supply pipeline 59 and the high-voltage wire harness 58 are arranged separately. On the one hand, it improves the vehicle safety, and on the other hand, it can reasonably utilize the space on the upper end surface of the vehicle frame.

[0096] The low-voltage wire harness 56 is fixedly arranged inside the right frame girder 15 of the vehicle frame, and the low-voltage wire harness 56 is used to transmit low-voltage current.

[0097] The heat dissipation water pipe 57 is fixedly arranged inside the left frame girder 24 of the vehicle frame. The heat dissipation water pipe 57 is connected to the cooling module. The high-voltage wire harness 58, the low-voltage wire harness 56 and the heat dissipation water pipe 57 are arranged separately, which helps to improve the vehicle safety and also makes the pipeline routing smoother and more reasonable.

[0098] The fixing bracket is arranged between and on both sides of the left frame girder 24 and the right frame girder 15 of the vehicle frame. Fixing holes are provided on the fixing bracket. The hydrogen supply pipeline 59, the high-voltage wire harness 58, the low-voltage wire harness 56, and the heat dissipation water pipe 57 are connected to the fixing bracket through the fixing holes, improving the component integration degree and space utilization rate, and at the same time making the pipeline routing more beautiful.

[0099] In an exemplary embodiment of the present disclosure, as Figure 9 shown, the electrical integration module further includes a girder connecting plate 63, a fixed pipe beam 66, an electric air conditioner compressor 64, and an electric power steering pump 65, wherein:

[0100] The electric air-conditioning compressor 64 and the electric power steering pump 65 are integrally arranged on the fixed pipe beam 66;

[0101] The fixed pipe beam 66 is connected to the vehicle frame through the large beam connecting plate 63;

[0102] The fixed pipe beam 66 and the large beam connecting plate 63 are movably connected, which is used to adjust the preset assembly space, greatly improving the vehicle utilization rate. At the same time, the adjustability of the preset assembly space reserves space for the addition of electrical equipment in the later stage, improving the vehicle platformization and versatility.

[0103] In an exemplary embodiment of the present disclosure, as Figure 10 shown, the cooling module further includes a fuel cell main radiator 67, a fuel cell auxiliary radiator 68, a power battery heat dissipation module 69, a motor cooling module 70, an air-conditioning condenser 71, and a vehicle body side decorative panel, where:

[0104] The fuel cell main radiator 67 is fixed outside the left large beam 24 of the vehicle frame, and the fuel cell auxiliary radiator 68 is fixed outside the right large beam 15 of the vehicle frame. The fuel cell main radiator 67 and the fuel cell auxiliary radiator 68 are connected in series. When the operating power of the fuel cell reactor 1 is less than the preset value, the fuel cell main radiator 67 operates and the fuel cell auxiliary radiator 68 stops working, saving electric energy while meeting the heat dissipation requirements. When the fuel cell reactor 1 operates at full power, the fuel cell main radiator 67 and the fuel cell auxiliary radiator 68 work simultaneously to increase the heat dissipation amount and meet the heat dissipation requirements, keeping the operating temperature of the fuel cell reactor 1 within a reasonable range while also maximizing the power consumption savings of the whole vehicle and reducing the power consumption;

[0105] Inside the power battery heat dissipation module 69, a PTC temperature heating device, a power battery air-conditioning compressor, and a power battery condenser are integrally arranged, so that the working temperature of the power battery pack 12 is always maintained within a reasonable temperature range, and the power battery pack 12 can stably exert its efficacy;

[0106] The motor cooling module 70 and the air-conditioning condenser 71 are integrally fixed, and the motor cooling module 70 and the air-conditioning condenser 71 share a set of cooling fans, saving the whole vehicle space;

[0107] The vehicle body side decorative panel covers the outside of the fuel cell main radiator 67, the fuel cell auxiliary radiator 68, the power battery heat dissipation module 69, the motor cooling module 70, and the air-conditioning condenser 71, preventing dust and water while also saving a large amount of space for the layout of other components in the rear section of the vehicle frame, improving the space utilization rate of the whole vehicle.

[0108] It should be noted that although several modules or units of a hydrogen fuel electric semi-tractor truck are mentioned in the above detailed description, this division is not mandatory. In fact, according to the embodiments of the present disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. Conversely, the features and functions of one module or unit described above can be further divided and embodied by multiple modules or units.

[0109] It should be noted that although the steps of the methods in the present disclosure are described in a specific order in the drawings, this does not require or imply that these steps must be performed in that specific order, or that all the steps shown must be performed to achieve the desired result. Additionally or alternatively, some steps may be omitted, multiple steps may be combined into one step for execution, and / or one step may be decomposed into multiple steps for execution, etc.

[0110] In addition, the above drawings are only schematic illustrations of the processes included in the methods according to the exemplary embodiments of the present invention, rather than for limiting purposes. It is easy to understand that the processes shown in the above drawings do not indicate or limit the chronological order of these processes. Additionally, it is also easy to understand that these processes can be executed synchronously or asynchronously in, for example, multiple modules.

[0111] Those skilled in the art will readily think of other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include well-known common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and embodiments are only regarded as exemplary, and the true scope and spirit of the present disclosure are pointed out by the claims.

[0112] It should be understood that the present disclosure is not limited to the exact structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A hydrogen fuel electric long-nose heavy truck, characterized in that, The hydrogen fuel electric long-nose heavy truck includes a tractor chassis module and a tractor integral module, where: The tractor chassis module includes a frame, a fuel cell reactor, tires, an I-beam front axle, a tractor middle axle, a tractor rear axle, a hydrogen fuel intake module, a hydrogen fuel exhaust module, an electrical integration module, a cooling module, and a hydrogen fuel pipeline module. The frame is composed of a left frame girder and a right frame girder. The fuel cell reactor is arranged at the front end of the frame. The I-beam front axle is connected to the front end of the frame. The tractor middle axle is connected to the middle end of the frame. The tractor rear axle is connected to the rear end of the frame. The hydrogen fuel intake module, the hydrogen fuel exhaust module, and the electrical integration module are arranged between the left frame girder and the right frame girder. The cooling module is centrally arranged on the left and right sides at the front end of the left frame girder and the right frame girder. The hydrogen fuel pipeline module is arranged on the upper end face and inside the frame; The tractor integral module includes a long-nose tractor cab and a hydrogen fuel supply module. The hydrogen fuel supply module is fixedly installed at the rear side of the long-nose tractor cab; The hydrogen fuel intake module further includes an air filter, an air filter screen, an intake pipeline, an intake supercharger, and an air filter fixing bracket, where: The air filter screen is arranged outside the air filter. The air filter is used to filter air through an air filter element; One end of the intake supercharger is connected to the air filter through the intake pipeline, and the other end of the intake supercharger is connected to the fuel cell reactor. The intake supercharger is used to pressurize the filtered air and send the filtered and pressurized air into the fuel cell reactor; The air filter fixing bracket is used to fix the air filter at the proximal end of the fuel cell reactor in the engine compartment on the upper end face of the right frame girder of the frame; The hydrogen fuel exhaust module further includes a hydrogen stack exhaust port, an exhaust pipe, an exhaust silencer, an exhaust tail pipe, and a silencer fixing bracket, where: One end of the exhaust pipe is connected to the fuel cell reactor through the hydrogen stack exhaust port, and the other end of the exhaust pipe is connected to the exhaust tail pipe through the exhaust silencer. The longitudinal drop of the exhaust pipe is lower than the longitudinal drop of the waste water return; The exhaust port of the exhaust tail pipe is inclined downward to the right at a preset angle; The silencer fixing bracket is used to integrally fix the exhaust silencer, the exhaust tail pipe, and the bracket of the cooling module; The hydrogen fuel pipeline module further includes a hydrogen supply pipeline, a high-voltage wire harness, a low-voltage wire harness, a radiator water pipe, and a fixing bracket, where: The hydrogen supply pipeline is fixedly arranged on the upper end face of the right frame girder and is used to supply hydrogen to the fuel cell reactor; The high-voltage wire harness is fixedly arranged on the upper end face of the left frame girder and is used to transmit high-voltage current; The low-voltage wire harness is fixedly arranged inside the right frame girder and is used to transmit low-voltage current; The radiator water pipe is fixedly arranged inside the left frame girder and is connected to the cooling module; The fixing bracket is arranged between and on both sides of the left frame girder and the right frame girder. Fixing holes are provided on the fixing bracket. The hydrogen supply pipeline, the high-voltage wire harness, the low-voltage wire harness, and the radiator water pipe are connected to the fixing bracket through the fixing holes; The electrical integrated module further includes a main beam connection plate, a fixed pipe beam, an electric air-conditioning compressor, and an electric power steering pump, where: The electric air-conditioning compressor and the electric power steering pump are integrally arranged on the fixed pipe beam; The fixed pipe beam is connected to the vehicle frame through the main beam connection plate; The fixed pipe beam and the main beam connection plate are movably connected for adjusting a preset assembly space; The cooling module further includes a fuel cell main radiator, a fuel cell auxiliary radiator, a power battery heat dissipation module, a motor cooling module, an air-conditioning condenser, and a vehicle body side trim panel, where: The fuel cell main radiator is fixed outside the left main beam of the vehicle frame, and the fuel cell auxiliary radiator is fixed outside the right main beam of the vehicle frame. The fuel cell main radiator and the fuel cell auxiliary radiator are connected in series. When the operating power of the fuel cell reactor is less than a preset value, the fuel cell main radiator operates and the fuel cell auxiliary radiator stops working. When the fuel cell reactor operates at full power, the fuel cell main radiator and the fuel cell auxiliary radiator work simultaneously; The power battery heat dissipation module integrally includes a PTC temperature heating device, a power battery air-conditioning compressor, and a power battery condenser; The motor cooling module and the air-conditioning condenser are integrally fixed, and the motor cooling module and the air-conditioning condenser share a set of cooling fans; The vehicle body side trim panel covers the outside of the fuel cell main radiator, the fuel cell auxiliary radiator, the power battery heat dissipation module, the motor cooling module, and the air-conditioning condenser.

2. The hydrogen fuel electric conventional heavy-duty truck according to claim 1, characterized in that, The tractor chassis module further includes a front anti-collision beam, a power battery pack, a driving device, an electric air pump, a steering gear, a low-voltage battery, and a trailer connector, where: The front anti-collision beam is arranged at the front end of the vehicle frame; The power battery pack, the driving device, the electric air pump, and the steering gear are arranged between the left main beam and the right main beam of the vehicle frame; The low-voltage battery and the trailer connector are arranged at the rear end of the vehicle frame; The power battery pack includes two C-box lithium manganate power batteries, and the power battery pack is connected in parallel with the fuel cell reactor.

3. The hydrogen fuel electric long-nose heavy truck according to claim 1, wherein, The tires further include a left front tire, a right front tire, a left middle axle tire, a right middle axle tire, a left rear axle tire, and a right rear axle tire, where: The left front tire is connected to the left side of the front axle of the I-beam, and the right front tire is connected to the right side of the front axle of the I-beam; The left middle axle tire is connected to the left side of the middle axle of the tractor, and the right middle axle tire is connected to the right side of the middle axle of the tractor; The left rear axle tire is connected to the left side of the rear axle of the tractor, and the right rear axle tire is connected to the right side of the rear axle of the tractor.

4. The hydrogen fuel electric long-nose heavy truck according to claim 1, wherein The hydrogen fuel supply module further includes a frame structure module, a hydrogen fuel supply module connection plate, and a vehicle frame main beam fixed connection plate, where: The frame structure module is provided with a hydrogen fuel supply module base, and the hydrogen fuel supply module base is connected through the hydrogen fuel supply module connection plate and the vehicle frame main beam fixed connection plate; The vehicle frame main beam fixed connection plate is fixed on the vehicle frame; The frame structure module is provided with a lifting ring and an outer cover plate, and the outer cover plate can be separately fixed and disassembled.

5. The hydrogen fuel electric long-nose heavy truck according to claim 4, wherein, The frame - type structure module further includes an upper space module and a bottom space module, where: The upper space module includes a hydrogen cylinder, a pressure valve, and a hydrogen supply connecting pipe. The pressure valve is arranged at the mouth of the hydrogen cylinder, and the hydrogen supply connecting pipe is connected in series to the hydrogen cylinder; The bottom space module includes a hydrogen supply system controller, a power battery high - voltage box, a motor controller, a three - in - one controller, a high - voltage power distribution cabinet, a step - down DCDC, and a vehicle controller. The hydrogen supply system controller, the power battery high - voltage box, the motor controller, the three - in - one controller, the high - voltage power distribution cabinet, the step - down DCDC, and the vehicle controller are centrally arranged at a preset fixed position.

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