CN115923538A - Hydrogen energy source power rail vehicle and control method - Google Patents
Hydrogen energy source power rail vehicle and control method Download PDFInfo
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- CN115923538A CN115923538A CN202310076476.2A CN202310076476A CN115923538A CN 115923538 A CN115923538 A CN 115923538A CN 202310076476 A CN202310076476 A CN 202310076476A CN 115923538 A CN115923538 A CN 115923538A
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Abstract
The invention provides a hydrogen energy source power rail vehicle and a control method, the hydrogen energy source power rail vehicle comprises a hydrogen energy source compartment and a power battery arranged in the hydrogen energy source compartment, at least one end of the hydrogen energy source compartment is provided with a hydrogen energy source system, the hydrogen energy source system comprises a hydrogen fuel battery, a DC/DC converter and a hydrogen storage system, the hydrogen storage system is used for providing hydrogen for the hydrogen fuel battery, the hydrogen fuel battery supplies power to the hydrogen energy source compartment through reaction and the DC/DC converter, and the power battery is connected with the hydrogen fuel battery in parallel. Compared with the prior art, the hydrogen energy source can be integrated in the same carriage to drive the rail vehicle, and the carriages can be flexibly grouped and supply power for the non-hydrogen energy source carriages.
Description
Technical Field
The invention relates to a hydrogen energy source power rail vehicle and a control method, and belongs to the technical field of rail vehicles.
Background
With global climate change constituting a significant threat to human society, more and more countries are raising "carbon neutralization" as a national strategy, proposing a vision for the carbon-free future. The value chain of new energy and low-carbon technology becomes the central importance, and the development of accelerating energy cleaning and high efficiency is the challenge faced by the current rail transit.
Most of the existing rail transit vehicles run by receiving electricity through a contact network or generating electricity through a diesel generator, and part of the existing rail transit vehicles which use a hydrogen energy technology as a power source are mainly hydrogen energy tramcars at present, are limited by the space of the tramcars, can only carry out distributed arrangement on the hydrogen energy, and lead to complex hydrogen pipelines of the vehicles and leakage risks.
In view of the above, it is necessary to provide a hydrogen energy powered railway vehicle and a control method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide a hydrogen energy source power rail vehicle and a control method, which can be adapted to the existing carriage and improve the running efficiency of the hydrogen energy source rail vehicle.
In order to achieve the above object, the present invention provides a hydrogen energy powered rail vehicle, which includes a hydrogen energy source compartment and a power battery disposed in the hydrogen energy source compartment, wherein at least one end of the hydrogen energy source compartment is provided with a hydrogen energy source system, the hydrogen energy source system includes a hydrogen fuel cell, a DC/DC converter and a hydrogen storage system, the hydrogen storage system is used for providing hydrogen gas to the hydrogen fuel cell, the hydrogen fuel cell supplies power to the hydrogen energy compartment through reaction and the DC/DC converter, and the power battery is connected in parallel with the hydrogen fuel cell.
As a further improvement of the present invention, the hydrogen storage system is disposed in the hydrogen energy source compartment, the hydrogen fuel cell is disposed outside the hydrogen energy source compartment and above the hydrogen storage system, and the power cell and the DC/DC converter are disposed below the hydrogen energy source compartment.
As a further improvement of the invention, the hydrogen energy system also comprises a hydrogen discharging device which is arranged outside the compartment of the hydrogen energy vehicle and above the hydrogen storage system, and the hydrogen discharging device is used for actively evacuating the hydrogen escaped from the hydrogen storage system.
As a further improvement of the invention, the hydrogen fuel cell and the hydrogen storage system are connected through an electrical connector and a quick-connect plug, and a sealing frame is arranged outside the electrical connector and the quick-connect plug to seal the hydrogen energy compartment.
As a further improvement of the invention, the sealing frame comprises a first U-shaped groove and a second U-shaped groove which are oppositely arranged, a first rubber ring is arranged in the first U-shaped groove, a second rubber ring is arranged in the second U-shaped groove, the first U-shaped groove and the second U-shaped groove are arranged in a staggered manner, the side wall of the first U-shaped groove is abutted against the second rubber ring, and the side wall of the second U-shaped groove is abutted against the first rubber ring.
As a further improvement of the invention, an air conditioning unit is further arranged above the hydrogen energy source compartment, and the air conditioning unit is used for cooling the hydrogen fuel cell and the interior of the hydrogen energy source compartment.
As a further improvement of the invention, the system also comprises a non-hydrogen energy source compartment, wherein the hydrogen energy source compartment is connected with the non-hydrogen energy source compartment, and the hydrogen energy source compartment is configured to supply power to the non-hydrogen energy source compartment.
As a further improvement of the invention, the hydrogen energy system is arranged at both ends of the hydrogen energy carriage.
In order to achieve the above object, the present invention further provides a hydrogen-powered rail vehicle control method for controlling the above hydrogen-powered rail vehicle, where the hydrogen-powered rail vehicle includes the hydrogen-powered carriage and a non-hydrogen-powered carriage, and a pantograph is disposed on the non-hydrogen-powered carriage, and the hydrogen-powered rail vehicle control method mainly includes the following steps:
under the condition that a contact net does not exist, the power battery is connected with the hydrogen fuel battery in parallel and jointly supplies power to the hydrogen energy power rail vehicle;
under the condition that a contact net exists, the pantograph is connected with the contact net and supplies power to the hydrogen energy power rail vehicle, meanwhile, the power supply connection of the hydrogen fuel cell is disconnected, and the power cell recovers the braking energy of the hydrogen energy power rail vehicle and receives the contact net to charge the power cell.
As a further development of the invention, in the absence of a catenary, then
When the vehicle after the connected grouping is at inertia and parking and low traction and low brake level of a driver controller, the hydrogen fuel cell charges the power battery, and the power battery supplies power to a traction system, a brake system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the connected grouping is at the high traction and high brake level of a driver controller, the hydrogen fuel cell and the power cell jointly supply power for a traction system, a brake system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the coupled marshalling is braked, the power battery simultaneously receives the charging of the hydrogen fuel battery and recovers the braking energy of the hydrogen energy source power rail vehicle, and when the electric quantity of the power battery is larger than a preset value, a braking resistor is arranged to absorb the redundant braking energy of the hydrogen energy source power rail vehicle.
The invention has the beneficial effects that: the invention can integrate hydrogen energy sources in the same carriage to drive the rail vehicle, and the carriages can be flexibly grouped and supply power for the non-hydrogen energy carriages.
Drawings
Fig. 1 is a schematic structural view of a hydrogen energy source compartment of a hydrogen energy source powered railway vehicle of the present invention.
Fig. 2 is a schematic cross-sectional structure view of a hydrogen energy source compartment of the hydrogen energy source-powered railway vehicle of the present invention.
Fig. 3 is a schematic view of a partial cross-sectional structure of a hydrogen energy source compartment of the hydrogen energy source-powered railway vehicle of the present invention.
Fig. 4 is a schematic structural view of a seal frame of the hydrogen-energy-powered railway vehicle of the present invention.
Fig. 5 is a schematic circuit diagram of a hydrogen-powered rail vehicle according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 5, the present invention discloses a hydrogen energy powered railway vehicle and a control method thereof, wherein the hydrogen energy powered railway vehicle comprises a hydrogen energy compartment 100 and a non-hydrogen energy compartment 100, the hydrogen energy compartment 100 and the non-hydrogen energy compartment 100 are physically connected and fixed by a coupler, an electrical connection is further provided between the hydrogen energy compartment 100 and the non-hydrogen energy compartment 100, and the hydrogen energy compartment 100 can react with hydrogen gas to generate electricity as energy, so that the hydrogen energy compartment 100 can supply electricity to the non-hydrogen energy compartment 100.
It should be noted that the number of the hydrogen energy source cars 100 and the non-hydrogen energy source cars 100 is not limited, the hydrogen energy source car 100 may be adjacent to the non-hydrogen energy source car 100 or adjacent to other hydrogen energy source cars 100, and both the hydrogen energy source car 100 and the non-hydrogen energy source cars 100 may be used for carrying.
In an embodiment of the present invention, the non-hydrogen energy source compartment 100 is a conventional compartment, and is provided with a pantograph, the pantograph can be electrically connected with a contact system, and the hydrogen energy source compartment 100 and the non-hydrogen energy source compartment 100 are connected by a high voltage bus, so that an external power grid can normally supply power to the non-hydrogen energy source compartment 100 and the hydrogen energy source compartment 100, and at this time, the hydrogen energy source compartment 100 can stop supplying power to the non-hydrogen energy source compartment 100.
As shown in fig. 1 and fig. 2, when the catenary is not present, the hydrogen energy vehicle 100 supplies power to the non-hydrogen energy vehicle 100. Specifically, a hydrogen energy source system is arranged in the hydrogen energy source compartment 100, the hydrogen energy source system includes a hydrogen fuel cell 11, a DC/DC converter 12 and a hydrogen storage system 13, the hydrogen storage system 13 is arranged in the hydrogen energy source compartment 100 and is arranged near one end of the hydrogen energy source compartment 100, a set of the hydrogen storage system 13 can be respectively arranged on two sides of the end of the hydrogen energy source compartment 100, the hydrogen fuel cell 11 is arranged outside the hydrogen energy source compartment 100 and is positioned above the hydrogen storage system 13, and the DC/DC converter 12 is arranged below the hydrogen energy source compartment 100. The hydrogen storage system 13 is used to supply hydrogen gas to the hydrogen fuel cell 11, and the hydrogen fuel cell 11 supplies electricity to the hydrogen energy source compartment 100 by reaction and via the DC/DC converter 12.
It is understood that the hydrogen storage system 13 may also be installed on the top of the hydrogen energy compartment 100, and the hydrogen fuel cell 11 may be installed in the compartment without limitation.
Moreover, the hydrogen energy systems can be arranged at two ends of the hydrogen energy compartment 100, that is, the hydrogen energy systems can be arranged in two groups, and when one group of the hydrogen energy systems fails, the other group of the hydrogen energy systems can continue to supply power to the high-voltage bus, so that the operation of the vehicle is not affected.
Further, the hydrogen energy system further comprises a hydrogen discharging device 14, the hydrogen discharging device 14 is arranged outside the hydrogen energy compartment 100 and above the hydrogen storage system 13, and the hydrogen discharging device 14 is used for actively evacuating hydrogen escaping from the hydrogen storage system 13, so that the safety of the vehicle is improved.
As shown in fig. 3, since the hydrogen storage system 13 is disposed in the hydrogen energy source compartment 100, and the hydrogen fuel cell 11 is disposed outside the hydrogen energy source compartment 100, the hydrogen fuel cell 11 and the hydrogen storage system 13 are connected by an electrical connector 21 and a quick connector 22, the quick connector 22 has a multi-layer nylon pipeline, and a sealing frame 23 is further disposed outside the electrical connector 21 and the quick connector 22 to seal with the hydrogen energy source compartment 100.
As shown in fig. 4, the sealing frame 23 includes a first U-shaped groove 231 and a second U-shaped groove 232 which are oppositely disposed, a first rubber ring 2311 is disposed in the first U-shaped groove 231, a second rubber ring 2321 is disposed in the second U-shaped groove 232, the first U-shaped groove 231 and the second U-shaped groove 232 are alternately disposed, a side wall of the first U-shaped groove 231 abuts against the second rubber ring 2321, and a side wall of the second U-shaped groove 232 abuts against the first rubber ring 2311.
In another embodiment of the present invention, a power battery 30 power supply system is further disposed in the hydrogen energy source compartment 100, the power battery 30 power supply system includes a power battery 30, the power battery 30 is disposed below the hydrogen energy source compartment 100, the power battery 30 can supply power to the hydrogen energy source compartment 100 and also can supply power to the non-hydrogen energy source compartment 100, and the power battery 30 can receive the electric quantity of the high-voltage bus for charging.
Specifically, the power battery 30 is connected in parallel with the hydrogen fuel cell 11, so that the power battery 30 and the hydrogen fuel cell 11 jointly supply power to the hydrogen energy source compartment 100, but the power battery 30 may be replaced by a super capacitor, or the power battery 30 and the super capacitor are jointly arranged to enhance the output power of the hydrogen fuel cell 11.
In the running process of the hydrogen energy-powered railway vehicle, the passenger compartment and the inside of the hydrogen fuel cell 11 generate large heat, and the heat management is needed. An air conditioning unit 40 is further disposed in the hydrogen energy source compartment 100, and the air conditioning unit 40 is used for cooling the hydrogen fuel cell 11 and the inside of the hydrogen energy source compartment 100. Referring to fig. 5, as a preferred embodiment of the present invention, the present invention further provides a hydrogen-powered rail vehicle control method, which mainly includes the following steps:
in the absence of a catenary, the power battery 30 is connected in parallel with the hydrogen fuel cell 11 and together supplies power to the hydrogen energy-powered rail vehicle;
when the vehicle after the continuous grouping is at inertia, parking and low traction and low brake level of a driver controller, the hydrogen fuel cell 11 charges the power battery 30, and the power battery 30 supplies power to a traction system, a brake system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the train is in the high-traction and high-braking level of the driver controller, the hydrogen fuel cell 11 and the power cell 30 jointly supply power to a traction system, a braking system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the coupled grouping is braked, the power battery 30 receives the charging of the hydrogen fuel battery 11 and recovers the braking energy of the hydrogen energy power rail vehicle at the same time, and when the electric quantity of the power battery 30 is larger than a preset value, a braking resistor is arranged to absorb the redundant braking energy of the hydrogen energy power rail vehicle;
under the condition that a contact net exists, the pantograph is connected with the contact net and supplies power to the hydrogen energy power rail vehicle, meanwhile, the power supply connection of the hydrogen fuel cell 11 is disconnected, and the power cell 30 recovers the braking energy of the hydrogen energy power rail vehicle and receives the contact net to charge the power cell 30.
In conclusion, the hybrid power system is formed by combining the power battery and the hydrogen fuel battery, the defects of the hydrogen fuel battery are overcome by utilizing the characteristics of quick reaction and high power of the power battery, the capacity shortage of the power battery is overcome by utilizing the continuous charging of the fuel battery, and finally a hybrid system is formed to provide energy for the vehicle. In addition, the heat management system in the hydrogen energy compartment can give consideration to two cooling media of air cooling and liquid cooling, provides heat management for the hydrogen fuel cell and a passenger room, can effectively reduce vehicle equipment, improves the vehicle integration level, reduces the vehicle weight and reduces the vehicle energy consumption. Different temperature accuracies can be achieved according to the heat management requirements of different devices, and diversified temperature control is provided.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. A hydrogen-powered rail vehicle, characterized by: including hydrogen energy source carriage and setting up power battery in the hydrogen energy source carriage, at least one end in the hydrogen energy source carriage is equipped with hydrogen energy source system, hydrogen energy source system includes hydrogen fuel cell, DC/DC converter and hydrogen storage system, hydrogen storage system be used for to hydrogen fuel cell provides hydrogen, hydrogen fuel cell through the reaction and via DC/DC converter is to hydrogen energy source carriage power supply, power battery with hydrogen fuel cell connects in parallel.
2. The hydrogen-powered rail vehicle of claim 1, wherein: the hydrogen storage system is arranged in the hydrogen energy compartment, the hydrogen fuel cell is arranged outside the hydrogen energy compartment and above the hydrogen storage system, and the power cell and the DC/DC converter are arranged below the hydrogen energy compartment.
3. The hydrogen-powered rail vehicle of claim 1, wherein: the hydrogen energy system also comprises hydrogen discharging equipment, the hydrogen discharging equipment is arranged outside the hydrogen energy vehicle compartment and above the hydrogen storage system, and the hydrogen discharging equipment is used for actively evacuating the hydrogen escaped from the hydrogen storage system.
4. The hydrogen-energy-powered rail vehicle of claim 1, wherein: the hydrogen fuel cell is connected with the hydrogen storage system through an electrical connector and a quick-connection plug, and a sealing frame is arranged outside the electrical connector and the quick-connection plug to seal the hydrogen energy compartment.
5. The hydrogen-powered rail vehicle of claim 4, wherein: the sealing frame comprises a first U-shaped groove and a second U-shaped groove which are arranged oppositely, a first rubber ring is arranged in the first U-shaped groove, a second rubber ring is arranged in the second U-shaped groove, the first U-shaped groove and the second U-shaped groove are arranged in a staggered mode, the side wall of the first U-shaped groove is abutted to the second rubber ring, and the side wall of the second U-shaped groove is abutted to the first rubber ring.
6. The hydrogen-powered rail vehicle of claim 1, wherein: and an air conditioning unit is also arranged above the hydrogen energy carriage and used for cooling the hydrogen fuel cell and the inside of the hydrogen energy carriage.
7. The hydrogen-powered rail vehicle of claim 1, wherein: the hydrogen energy source compartment is connected with the non-hydrogen energy source compartment, and the hydrogen energy source compartment is configured to supply power to the non-hydrogen energy source compartment.
8. The hydrogen-powered rail vehicle of claim 1, wherein: and the hydrogen energy system is arranged at both ends of the hydrogen energy carriage.
9. A control method of a hydrogen energy source power rail vehicle is characterized by comprising the following steps: the hydrogen-powered rail vehicle for controlling of any one of claims 1 to 8, comprising the hydrogen-powered carriage and a non-hydrogen-powered carriage, the non-hydrogen-powered carriage having a pantograph thereon, the hydrogen-powered rail vehicle control method essentially comprising the steps of:
under the condition that no contact net exists, the power battery is connected with the hydrogen fuel battery in parallel and jointly supplies power to the hydrogen energy source power rail vehicle;
under the condition that a contact net exists, the pantograph is connected with the contact net and supplies power to the hydrogen energy power rail vehicle, meanwhile, the power supply connection of the hydrogen fuel cell is disconnected, and the power cell recovers the braking energy of the hydrogen energy power rail vehicle and receives the contact net to charge the power cell.
10. The hydrogen-powered rail vehicle control method according to claim 9, characterized in that: in the absence of a catenary, then
When the vehicle after the continuous grouping is in inertia and parking and low traction and low brake level of a driver controller, the hydrogen fuel cell charges the power cell, and the power cell supplies power to a traction system, a brake system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the continuous grouping is at the high traction and high braking level of a driver controller, the hydrogen fuel cell and the power cell jointly supply power for a traction system, a braking system and an auxiliary system of the hydrogen energy power rail vehicle;
when the vehicle after the coupled marshalling is braked, the power battery simultaneously receives the charging of the hydrogen fuel battery and recovers the braking energy of the hydrogen energy source power rail vehicle, and when the electric quantity of the power battery is larger than a preset value, a braking resistor is arranged to absorb the redundant braking energy of the hydrogen energy source power rail vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310076476.2A CN115923538A (en) | 2023-02-08 | 2023-02-08 | Hydrogen energy source power rail vehicle and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310076476.2A CN115923538A (en) | 2023-02-08 | 2023-02-08 | Hydrogen energy source power rail vehicle and control method |
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| Publication Number | Publication Date |
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| CN115923538A true CN115923538A (en) | 2023-04-07 |
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| CN202310076476.2A Pending CN115923538A (en) | 2023-02-08 | 2023-02-08 | Hydrogen energy source power rail vehicle and control method |
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- 2023-02-08 CN CN202310076476.2A patent/CN115923538A/en active Pending
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