CN-121973649-A - Chassis arrangement structure of hydrogen fuel cell dumper and hydrogen fuel cell dumper

CN121973649ACN 121973649 ACN121973649 ACN 121973649ACN-121973649-A

Abstract

The application provides a chassis arrangement structure of a hydrogen fuel cell dumper and the hydrogen fuel cell dumper, and relates to the technical field of hydrogen fuel cell dumpers. The chassis arrangement structure of the hydrogen fuel cell dumper comprises a frame, a hydrogen stack, a heat management unit, a radiator, a high-voltage distribution box and a multifunctional controller, wherein the frame is sequentially provided with a first axle, a second axle and a third axle at intervals along a first direction, the radiator, the heat management unit and the hydrogen stack are sequentially arranged on the frame below a cab of the dumper along the first direction so as to radiate the hydrogen stack through the radiator, the heat management unit is integrated with the functions of a cab air conditioner and battery cooling, the high-voltage distribution box and the multifunctional controller are arranged on the frame and are positioned between the second axle and the third axle, and the high-voltage distribution box is electrically connected with the hydrogen stack. The application provides a chassis arrangement structure of a hydrogen fuel cell dumper and the hydrogen fuel cell dumper, which are convenient to overhaul and high in safety.

Inventors

PENG FULAI
HAN SHOULIANG
LIU SIQI
PENG SONGLIN

Assignees

三一专用汽车有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260409

Claims (10)

1. The chassis arrangement structure of the hydrogen fuel cell dumper is characterized by comprising a frame, a hydrogen stack, a thermal management unit, a radiator, a high-voltage distribution box and a multifunctional controller; The vehicle frame is sequentially provided with a first axle, a second axle and a third axle at intervals along a first direction, wheels are arranged on the first axle, the second axle and the third axle, the radiator, the thermal management unit and the hydrogen stack are sequentially arranged on the vehicle frame below a cab of the dump truck along the first direction so as to radiate heat of the hydrogen stack through the radiator, wherein the thermal management unit is integrated with a function of a cab air conditioner and a function of battery cooling, and the first direction is consistent with a direction from a front to a rear of the dump truck; The high-voltage distribution box is electrically connected to the hydrogen stack and used for distributing the output voltage of the hydrogen stack, and the multifunctional controller is at least integrated with the functions of whole vehicle control, hydrogen stack operation control and battery operation control.
2. The hydrogen fuel cell dump truck chassis arrangement structure according to claim 1, wherein the multifunction controller and the high-voltage distribution box are mounted on opposite sides of the vehicle frame in a width direction, respectively.
3. The hydrogen fuel cell dump truck chassis arrangement structure according to claim 2, further comprising a power battery for providing power for traveling of the dump truck, the power battery being provided on a frame between the second axle and the third axle and adjacent to the high-voltage distribution box in the first direction.
4. The hydrogen fuel cell dump truck chassis arrangement according to claim 3, further comprising a low voltage battery for supplying power to at least a vehicle lamp and an instrument panel, the low voltage battery being provided on a vehicle frame between the second axle and the third axle and adjacent to the multifunction controller in the first direction.
5. The hydrogen fuel cell dump truck chassis arrangement according to claim 4, further comprising an air reservoir for supplying air for braking of the dump truck, the air reservoir being provided on the frame between the second axle and the third axle and being adjacent to the low-voltage battery in the first direction.
6. The hydrogen fuel cell dump truck chassis arrangement according to claim 5, wherein the thermal management unit includes a compressor, a condenser, a solenoid valve, a first electronic expansion valve, an evaporator, a second electronic expansion valve, a battery cooler, and an electric heater, the compressor, the condenser, the solenoid valve, the first electronic expansion valve, and the evaporator being in communication in order to cool the cab by the evaporator; The electromagnetic valve, the second electronic expansion valve, the battery cooler and the compressor are sequentially connected, so that the electromagnetic valve controls the refrigerant to flow to the evaporator and the battery cooler respectively, the power battery is cooled through the battery cooler, and the electric heater is used for heating the cab.
7. The hydrogen fuel cell dump truck chassis arrangement of claim 6, further comprising a mounting bracket disposed on the frame between the heat sink and the hydrogen stack, the thermal management unit being disposed on the frame.
8. The hydrogen fuel cell dump truck chassis arrangement structure according to claim 7, wherein the mounting frame has a double-layer structure, the lower layer of the mounting frame is provided with at least the compressor and the battery cooler, and the upper layer of the mounting frame is provided with at least the first electronic expansion valve, the second electronic expansion valve and the electric heater.
9. The hydrogen fuel cell dump truck chassis arrangement according to any one of claims 1 to 8, wherein the radiator includes two high-pressure heat radiation fans, and the radiator is electrically connected to the hydrogen stack to directly supply power through the hydrogen stack.
10. A hydrogen fuel cell dump truck, characterized by comprising the hydrogen fuel cell dump truck chassis arrangement structure as set forth in any one of claims 1 to 8.

Description

Chassis arrangement structure of hydrogen fuel cell dumper and hydrogen fuel cell dumper Technical Field The application relates to the technical field of hydrogen fuel cell dumpers, in particular to a chassis arrangement structure of a hydrogen fuel cell dumper and the hydrogen fuel cell dumper. Background Under the driving of energy transformation and double-carbon targets, the hydrogen fuel cell dumper is widely applied to heavy-load transportation scenes due to the advantages of zero carbon emission, long endurance and the like, and the arrangement rationality of the whole dumper structure directly influences the operation reliability and the maintenance economy. In order to realize space efficient utilization, a controller frame is generally additionally arranged above a hydrogen stack, core electrical control components such as a high-voltage box, a multifunctional controller and the like are integrally arranged on the frame, and meanwhile, the battery water cooling unit is arranged behind and below the battery frame under the limitation of the whole vehicle space. However, the existing arrangement mode has significant defects that the hydrogen stack is used as a core energy conversion component and needs to be periodically overhauled, but because the upper part of the hydrogen stack is blocked by a controller frame and related components, the controller frame and all components on the controller frame must be removed first during maintenance or troubleshooting, so that the disassembly flow is complicated, a great deal of manpower time is consumed, the maintenance convenience and efficiency are seriously affected, and the high-voltage components or the wire harness are possibly damaged in the disassembly process, so that potential safety hazards are generated. Disclosure of Invention In order to solve at least one problem in the background art, the application provides a chassis arrangement structure of a hydrogen fuel cell dumper and the hydrogen fuel cell dumper, which are convenient to overhaul and high in safety. In order to achieve the above object, the present application provides the following technical solutions: the application provides a chassis arrangement structure of a hydrogen fuel cell dumper, which comprises a frame, a hydrogen stack, a thermal management unit, a radiator, a high-voltage distribution box and a multifunctional controller, wherein the frame is arranged on the frame; The vehicle frame is sequentially provided with a first axle, a second axle and a third axle at intervals along a first direction, wheels are arranged on the first axle, the second axle and the third axle, a radiator, a heat management unit and a hydrogen stack are sequentially arranged on the vehicle frame below a cab of the dump truck along the first direction so as to radiate the heat of the hydrogen stack through the radiator, wherein the heat management unit is integrated with the function of a cab air conditioner and the function of battery cooling, and the direction from the first direction to the tail of the dump truck is consistent; The high-voltage distribution box and the multifunctional controller are arranged on the frame and are positioned between the second axle and the third axle, the high-voltage distribution box is electrically connected with the hydrogen stack and used for distributing the output voltage of the hydrogen stack, and the multifunctional controller is at least integrated with the functions of whole vehicle control, hydrogen stack operation control and battery operation control. As an alternative embodiment, the multifunction controller and the high voltage distribution box are mounted on opposite sides of the vehicle frame in the width direction, respectively. As an alternative embodiment, the vehicle further comprises a power battery, wherein the power battery is used for providing power for the traveling of the dumper, and the power battery is arranged on the vehicle frame between the second axle and the third axle and is adjacent to the high-voltage distribution box along the first direction. As an alternative embodiment, the vehicle further comprises a low-voltage storage battery, wherein the low-voltage storage battery is at least used for supplying power to the vehicle lamp and the instrument panel, and the low-voltage storage battery is arranged on the vehicle frame between the second axle and the third axle and is adjacent to the multifunctional controller along the first direction. As an alternative embodiment, the vehicle further comprises an air reservoir for providing air for braking of the dump truck, wherein the air reservoir is arranged on the vehicle frame between the second axle and the third axle and is adjacent to the low-voltage storage battery along the first direction. As an alternative embodiment, the thermal management unit includes a compressor, a condenser, a solenoid valve, a first electronic expansion valve, an evaporator, a second electronic expansi