WO2018040305A1 - Distributed cooling device for high-power hydrogen fuel cell rail vehicle - Google Patents
Distributed cooling device for high-power hydrogen fuel cell rail vehicle Download PDFInfo
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- WO2018040305A1 WO2018040305A1 PCT/CN2016/106570 CN2016106570W WO2018040305A1 WO 2018040305 A1 WO2018040305 A1 WO 2018040305A1 CN 2016106570 W CN2016106570 W CN 2016106570W WO 2018040305 A1 WO2018040305 A1 WO 2018040305A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to the field of heat exchange for new energy rail vehicles.
- Fuel cell power generation using hydrogen as an energy source is one of clean energy technologies and is in line with the country's future clean energy strategy.
- relevant institutions at home and abroad are stepping up in-depth technical research and engineering application promotion.
- Hydrogen fuel cells generate a lot of heat when working. For high-power fuel cells of 150 kW and above, this heat is usually taken away by specially treated water, and then dissipated by an external cooling device. Hydrogen fuel cells have stringent requirements on the temperature of the cooling water, and the water temperature is low, generally at 55-65 °C. This will cause the parameters such as the volume of the cooling device and the flow rate of the fan to increase substantially at the same external ambient temperature and heat dissipation power. When the rail car has a certain space size, this will cause the power consumption, noise and other indicators to be difficult to meet the vehicle. Overall indicator requirements.
- the integrated cooling device adopts integrated cooling device, which is easy to install and meets the heat dissipation performance. Requirements, but noise and power consumption indicators are difficult to meet the requirements of vehicle use. Therefore, it is urgent to rationally utilize the vehicle space within the specified vehicle space size, and develop a low-noise, low-power cooling device to solve the problems existing in the current hydrogen fuel cell rail vehicle cooling device, and promote the commercial application of the new energy rail vehicle as soon as possible. .
- a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle comprising a cooling module connected with an inlet and outlet water pipeline.
- the water supply tank is arranged on the same side of the cooling module, and the exhaust pipe is connected to the cooling module and the water supply tank.
- the water supply pipe is connected to the water inlet pipe and the water supply tank.
- the utility model is characterized in that all components of the cooling device are arranged in a distributed manner on the top of the vehicle body structure, and the cooling module is arranged on the side of the hydrogen storage device.
- the number of cooling modules is determined according to the heat dissipation power of the hydrogen fuel cell, and the connection mode of parallel or series connection or series and parallel mixing is determined as needed.
- the cooling module consists of a dust filter, a radiator and a fan.
- the fan is arranged on the side of the body structure.
- the fan is composed of a wind cylinder, a support frame and an outer rotor motor.
- the rotor and the blades of the rotor motor are integrally cast aluminum integrated structures.
- the radiator is made of aluminum plate-fin structure, and the inner cavity is passivated.
- the invention has the beneficial effects that a plurality of structurally identical cooling modules are used for distributed arrangement, which greatly increases the ventilation area and reduces the ventilation pressure loss. Compared with the integrated cooling device, the power consumption can be reduced by 30% and the noise can be reduced by 10dB(A) under the premise of the same cooling power. The problem of high noise and high power consumption of the original cooling device is completely solved, and the environmental protection and energy saving effect is remarkable. .
- FIG. 1 is a front view of a vehicle body installation using a four-cooling module for a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
- Figure 2 is a plan view of Figure 1.
- FIG. 3 is a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention. Schematic diagram of the car body structure arrangement with four cooling modules.
- FIG. 4 is a schematic view showing the arrangement of a vehicle body structure using a two-cooling module for a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
- FIG. 5 is a schematic diagram of a parallel operation when a four-cooling module is used in a distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
- Figure 6 is a structural diagram of a three-fan cooling module.
- Figure 7 is a structural diagram of the cooling module of the two fans.
- Figure 8 is a structural view of the fan.
- the distributed cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention includes a cooling module 1, a water supply tank 2, an inlet and outlet water line 4, an exhaust pipe 5, and a water supply pipe 6, and all components of the cooling device are dispersed.
- the cooling module 1 is arranged on the side of the hydrogen storage device 3, making full use of the vehicle space.
- the decentralized cooling device cooling module 1 for the high-power hydrogen fuel cell rail vehicle of the present invention can be flexibly grouped according to the cooling power demand of the hydrogen fuel cell, and the number can be increased or decreased correspondingly, and connected in parallel or in series or in series and parallel as needed. Meet the heat dissipation performance and water pressure loss requirements of hydrogen fuel cells.
- Cooling mode of a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention Block 1, including the air filter 11, the radiator 12, and the fan 13.
- the fan 13 is disposed on the side of the vehicle body, and the cooling air is taken in from the top of the vehicle and discharged from the side of the vehicle body.
- CF indicates the wind
- JCS indicates the water in and out.
- the fan 13 of the decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention can be correspondingly increased or decreased according to the heat-dissipating power demand of the hydrogen fuel cell.
- the fan 13 is an axial flow structure of the outer rotor, and adopts frequency conversion control, which can effectively save space size and power consumption.
- the fan 13 of the decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention includes a ventilator 131, a support frame 132, and an outer rotor motor 133.
- the rotor and the blades of the outer rotor motor 133 are integrally cast aluminum integrated structures.
- the heat sink 12 of the distributed cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention adopts an aluminum plate-fin structure, and the inner cavity is subjected to passivation treatment.
- the cooling device of the invention adopts a plurality of cooling modules 1 of the same structure to be arranged in a distributed manner, which greatly increases the ventilation area and reduces the ventilation pressure loss. Compared with the integrated cooling device, the power consumption can be reduced under the premise of the same heat dissipation power. 30%, noise can be reduced by 10dB (A).
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Abstract
A distributed cooling device for a high-power hydrogen fuel cell rail vehicle comprises a cooling module (1) connected to a water inflow and outflow pipeline (4). A water replenishment tank (2) and the cooling module (1) are disposed at the same side. An exhaust pipe (5) is connected to the cooling module (1) and the water replenishment tank (2). A water replenishment pipe (6) is connected to the water inflow and outflow pipeline (4) and the water replenishment tank (2). All components of the cooling device are distributed and disposed at a top portion of a vehicle body structure (7). The cooling device (1) is disposed at a side surface of a hydrogen storage device (3). The number of cooling modules is determined according to the heat dissipation power of a hydrogen fuel cell and the manner of connection required, said manner including a parallel connection, a series connection, or a combination of series and parallel connections. A fan is disposed at a side surface of the vehicle body structure. The distributed cooling device greatly enhances the ventilation area of the rail vehicle hydrogen fuel cell and reduces ventilation pressure loss. In contrast with integrated cooling devices, power consumption can be reduced by 30%, and noise can be reduced by 10 dB(A) with the same heat dissipation power, resolving the issue in which conventional integrated cooling devices have high noise and large power consumption, and achieving remarkable environmental protection and energy saving effects.
Description
技术领域 本发明涉及新能源轨道车辆换热领域。TECHNICAL FIELD The present invention relates to the field of heat exchange for new energy rail vehicles.
背景技术 以氢为能源进行发电的燃料电池动力是清洁能源技术之一，符合国家未来清洁能源战略。鉴于其清洁、高效、对环境无污染等优点，国内外相关机构正加紧进行技术深入研究并进行工程应用推广。BACKGROUND OF THE INVENTION Fuel cell power generation using hydrogen as an energy source is one of clean energy technologies and is in line with the country's future clean energy strategy. In view of its advantages of cleanness, high efficiency, and no pollution to the environment, relevant institutions at home and abroad are stepping up in-depth technical research and engineering application promotion.
氢燃料电池工作时会产生大量的热量，对于150kW及以上的大功率燃料电池，这些热量一般是通过特殊处理的水将热量带走，再通过外部冷却装置将热量散出。氢燃料电池对冷却水温有着苛刻的要求，水温低，一般在55-65℃。这将造成在同样外界环境温度和散热功率时，冷却装置体积、风机流量等参数均会大幅度增高，在轨道车对空间尺寸一定的情况下，这将导致功耗、噪声等指标难以满足车辆总体指标要求。Hydrogen fuel cells generate a lot of heat when working. For high-power fuel cells of 150 kW and above, this heat is usually taken away by specially treated water, and then dissipated by an external cooling device. Hydrogen fuel cells have stringent requirements on the temperature of the cooling water, and the water temperature is low, generally at 55-65 °C. This will cause the parameters such as the volume of the cooling device and the flow rate of the fan to increase substantially at the same external ambient temperature and heat dissipation power. When the rail car has a certain space size, this will cause the power consumption, noise and other indicators to be difficult to meet the vehicle. Overall indicator requirements.
目前，氢燃料电池供电技术在国内轨道交通领域正在进行工程化应用，个别轨道交通制造商已研制出商业应用的轨道车辆样机，配套冷却装置采用集成式冷却装置，安装方便，散热性能满足车辆运用要求，但噪声和功耗指标难以满足整车运用要求。因此，急需在规定的车辆空间尺寸内，合理利用车辆空间，研制出低噪声、低功耗冷却装置，解决目前氢燃料电池轨道车辆冷却装置存在的问题，尽快推进新能源轨道车辆的商业化运用。At present, hydrogen fuel cell power supply technology is being applied in the domestic rail transit field. Individual rail transit manufacturers have developed commercial rail car prototypes. The integrated cooling device adopts integrated cooling device, which is easy to install and meets the heat dissipation performance. Requirements, but noise and power consumption indicators are difficult to meet the requirements of vehicle use. Therefore, it is urgent to rationally utilize the vehicle space within the specified vehicle space size, and develop a low-noise, low-power cooling device to solve the problems existing in the current hydrogen fuel cell rail vehicle cooling device, and promote the commercial application of the new energy rail vehicle as soon as possible. .
发明内容
Summary of the invention
本发明所解决的技术问题是研制出一种满足国内采用大功率氢燃料电池供电技术的轨道车辆冷却要求的低噪声、低功耗冷却技术和产品。为解决上述技术问题，本发明提出以下技术方案：一种大功率氢燃料电池轨道车辆用分散式冷却装置，包括连接有进出水管路的冷却模块。补水箱布置在冷却模块同侧，排气管连接冷却模块与补水箱。补水管连接进出水管路与补水箱。其特征在于：冷却装置所有的零部件均分散布置在车体结构的顶部，冷却模块布置在储氢装置侧面。根据氢燃料电池散热功率决定冷却模块的数量，并根据需要决定采用并联或者串联或者串联与并联混合的连接方式。冷却模块由防尘网、散热器和风机组成。风机布置在靠车体结构的侧面。风机由风筒、支撑架和外转子电机组成。转子电机的转子和叶片为整体铸铝一体结构。散热器采用铝板翅式结构，内腔采用钝化处理。The technical problem solved by the invention is to develop a low-noise, low-power cooling technology and product that meets the cooling requirements of rail vehicles in China using high-power hydrogen fuel cell power supply technology. In order to solve the above technical problem, the present invention proposes the following technical solution: a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle, comprising a cooling module connected with an inlet and outlet water pipeline. The water supply tank is arranged on the same side of the cooling module, and the exhaust pipe is connected to the cooling module and the water supply tank. The water supply pipe is connected to the water inlet pipe and the water supply tank. The utility model is characterized in that all components of the cooling device are arranged in a distributed manner on the top of the vehicle body structure, and the cooling module is arranged on the side of the hydrogen storage device. The number of cooling modules is determined according to the heat dissipation power of the hydrogen fuel cell, and the connection mode of parallel or series connection or series and parallel mixing is determined as needed. The cooling module consists of a dust filter, a radiator and a fan. The fan is arranged on the side of the body structure. The fan is composed of a wind cylinder, a support frame and an outer rotor motor. The rotor and the blades of the rotor motor are integrally cast aluminum integrated structures. The radiator is made of aluminum plate-fin structure, and the inner cavity is passivated.
本发明的有益效果是采用多个结构相同的冷却模块进行分散布置，极大地增加了通风面积，降低通风压力损失。与集成式冷却装置相比，在相同散热功率的前提下，功耗可降低30％，噪声可降低10dB(A)，彻底解决了原冷却装置噪声高、功耗大等问题，环保节能效果显著。The invention has the beneficial effects that a plurality of structurally identical cooling modules are used for distributed arrangement, which greatly increases the ventilation area and reduces the ventilation pressure loss. Compared with the integrated cooling device, the power consumption can be reduced by 30% and the noise can be reduced by 10dB(A) under the premise of the same cooling power. The problem of high noise and high power consumption of the original cooling device is completely solved, and the environmental protection and energy saving effect is remarkable. .
图1为本发明大功率氢燃料电池轨道车辆用分散式冷却装置采用四冷却模块的车体安装主视图。1 is a front view of a vehicle body installation using a four-cooling module for a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
图2为图1的俯视图。Figure 2 is a plan view of Figure 1.
图3为本发明大功率氢燃料电池轨道车辆用分散式冷却装置采
用四冷却模块的车体结构布置示意图。3 is a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention;
Schematic diagram of the car body structure arrangement with four cooling modules.
图4为本发明大功率氢燃料电池轨道车辆用分散式冷却装置采用二冷却模块的车体结构布置示意图。4 is a schematic view showing the arrangement of a vehicle body structure using a two-cooling module for a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
图5为本发明大功率氢燃料电池轨道车辆用分散式冷却装置采用四冷却模块时的并联工作原理图。FIG. 5 is a schematic diagram of a parallel operation when a four-cooling module is used in a distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to the present invention.
图6为三风机冷却模块结构图。Figure 6 is a structural diagram of a three-fan cooling module.
图7为二风机冷却模块结构图。Figure 7 is a structural diagram of the cooling module of the two fans.
图8为风机结构图。Figure 8 is a structural view of the fan.
图中标记：1-冷却模块，2-补水箱，3-储氢装置，4-进出水管路，5-排气管，6-补水管，7-车体结构；11-防尘网，12-散热器，13-风机；131-通风筒，132-支撑架，133-外转子电机。Marked in the figure: 1-cooling module, 2-filling tank, 3-hydrogen storage device, 4-inlet and outlet pipe, 5-exhaust pipe, 6-fill pipe, 7-body structure; 11-dust net, 12 - radiator, 13-fan; 131-ventilation cylinder, 132-support frame, 133-outer rotor motor.
下面结合附图1到图8，对本发明作进一步的说明：The present invention will be further described below with reference to FIGS. 1 through 8.
本发明的大功率氢燃料电池轨道车辆用分散式冷却装置，如图1所示，包括冷却模块1、补水箱2、进出水管路4、排气管5和补水管6，冷却装置所有部件分散布置在轨道车辆车体结构7的顶部，冷却模块1布置在储氢装置3的侧面，可充分利用车辆空间。The distributed cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention, as shown in FIG. 1, includes a cooling module 1, a water supply tank 2, an inlet and outlet water line 4, an exhaust pipe 5, and a water supply pipe 6, and all components of the cooling device are dispersed. Arranged on the top of the rail vehicle body structure 7, the cooling module 1 is arranged on the side of the hydrogen storage device 3, making full use of the vehicle space.
本发明大功率氢燃料电池轨道车辆用分散式冷却装置冷却模块1可根据氢燃料电池散热功率需求灵活编组，数量可相应增加或减少，并根据需要采用并联或串联或串联和并联混合方式连接，满足氢燃料电池散热性能和水压力损失要求。The decentralized cooling device cooling module 1 for the high-power hydrogen fuel cell rail vehicle of the present invention can be flexibly grouped according to the cooling power demand of the hydrogen fuel cell, and the number can be increased or decreased correspondingly, and connected in parallel or in series or in series and parallel as needed. Meet the heat dissipation performance and water pressure loss requirements of hydrogen fuel cells.
本发明大功率氢燃料电池轨道车辆用分散式冷却装置的冷却模
块1，包括防尘网11、散热器12和风机13。风机13布置在车体的侧面，冷却空气从车顶部吸入，并从车体侧面排出。Cooling mode of a decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention
Block 1, including the air filter 11, the radiator 12, and the fan 13. The fan 13 is disposed on the side of the vehicle body, and the cooling air is taken in from the top of the vehicle and discharged from the side of the vehicle body.
附图中CF表示出风，JCS表示进出水。In the drawing, CF indicates the wind, and JCS indicates the water in and out.
本发明大功率氢燃料电池轨道车辆用分散式冷却装置的风机13可根据氢燃料电池散热功率需求相应地增加或减少数量。风机13为外转子轴流结构，采用变频控制，可有效节省空间尺寸和功耗。The fan 13 of the decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention can be correspondingly increased or decreased according to the heat-dissipating power demand of the hydrogen fuel cell. The fan 13 is an axial flow structure of the outer rotor, and adopts frequency conversion control, which can effectively save space size and power consumption.
本发明大功率氢燃料电池轨道车辆用分散式冷却装置的风机13包括通风筒131、支撑架132和外转子电机133。外转子电机133的转子和叶片为整体铸铝一体结构。The fan 13 of the decentralized cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention includes a ventilator 131, a support frame 132, and an outer rotor motor 133. The rotor and the blades of the outer rotor motor 133 are integrally cast aluminum integrated structures.
本发明大功率氢燃料电池轨道车辆用分散式冷却装置的散热器12采用铝板翅式结构，内腔采用钝化处理。The heat sink 12 of the distributed cooling device for a high-power hydrogen fuel cell rail vehicle of the present invention adopts an aluminum plate-fin structure, and the inner cavity is subjected to passivation treatment.
本发明的冷却装置采用多个相同结构的冷却模块1进行分散布置，大大增加了通风面积，降低了通风压力损失，与集成式冷却装置相比，在相同散热功率的前提下，功耗可降低30％，噪声可降低10dB(A)。
The cooling device of the invention adopts a plurality of cooling modules 1 of the same structure to be arranged in a distributed manner, which greatly increases the ventilation area and reduces the ventilation pressure loss. Compared with the integrated cooling device, the power consumption can be reduced under the premise of the same heat dissipation power. 30%, noise can be reduced by 10dB (A).
Claims (9)
- 一种大功率氢燃料电池轨道车辆用分散式冷却装置，包括连接有进出水管路(4)的冷却模块(1)，补水箱(2)布置在所述冷却模块(1)同侧，排气管(5)连接所述冷却模块(1)与补水箱(2)，补水管(6)连接所述进出水管路(4)与所述补水箱(2)，其特征在于：冷却装置所有的零部件均分散布置在车体结构(7)的顶部，所述冷却模块(1)布置在储氢装置(3)侧面。A decentralized cooling device for a high-power hydrogen fuel cell rail vehicle, comprising a cooling module (1) connected with an inlet and outlet water pipe (4), the water supply tank (2) being arranged on the same side of the cooling module (1), exhausting The tube (5) is connected to the cooling module (1) and the water supply tank (2), and the water supply pipe (6) is connected to the water inlet and outlet pipe (4) and the water supply tank (2), characterized in that: all the cooling devices The components are all dispersedly arranged on the top of the vehicle body structure (7), and the cooling module (1) is arranged on the side of the hydrogen storage device (3).
- 根据权利要求1所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：根据氢燃料电池散热功率决定冷却模块(1)的数量。A decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 1, wherein the number of cooling modules (1) is determined according to the heat dissipation power of the hydrogen fuel cell.
- 根据权利要求2所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述冷却模块(1)可采用并联的连接方式。The distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 2, characterized in that the cooling module (1) can be connected in parallel.
- 根据权利要求2所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述冷却模块(1)也可采用串联的连接方式。The decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 2, characterized in that the cooling module (1) can also be connected in series.
- 根据权利要求2所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述冷却模块(1)也可采用串联和并联混合的连接方式。A decentralized cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 2, characterized in that the cooling module (1) can also be connected in series and in parallel.
- 根据权利要求1所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述冷却模块(1)，由防尘网(11)、散热器(12)和风机(13)组成，所述风机(13)布置在靠车体结构(7)的侧面。 The distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 1, characterized in that: the cooling module (1) is composed of a dustproof net (11), a radiator (12) and a fan (13) In composition, the fan (13) is arranged on the side of the vehicle body structure (7).
- 根据权利要求5所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述风机(13)由风筒(131)、支撑架(132)和外转子电机(133)组成。The distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 5, characterized in that the fan (13) is composed of a wind cylinder (131), a support frame (132) and an outer rotor motor (133). .
- 根据权利要求6所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述外转子电机(133)的转子和叶片为整体铸铝一体结构。The distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 6, wherein the rotor and the blades of the outer rotor motor (133) are integrally cast aluminum integrated structures.
- 根据权利要求6所述的大功率氢燃料电池轨道车辆用分散式冷却装置，其特征在于：所述散热器(12)采用铝板翅式结构，内腔采用钝化处理。 The distributed cooling device for a high-power hydrogen fuel cell rail vehicle according to claim 6, wherein the heat sink (12) adopts an aluminum plate-fin structure, and the inner cavity is subjected to passivation treatment.
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| CN201610765477.8 | 2016-08-30 | ||
| CN201610765477.8A CN106450380B (en) | 2016-08-30 | 2016-08-30 | High-power hydrogen fuel cell distributing cooling device used for rail vehicle |
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| CN114347811A (en) * | 2021-12-30 | 2022-04-15 | 苏州中车氢能动力技术有限公司 | Fuel cell system for dual-system rail transit and rail transit |
| CN114976118A (en) * | 2022-07-29 | 2022-08-30 | 河南新飞电器集团有限公司 | Power device of hydrogen fuel cell new energy special vehicle |
| US11713734B1 (en) * | 2023-02-01 | 2023-08-01 | GM Global Technology Operations LLC | Thermally conditioned noise / vibration attenuating fuel rail chamber |
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| CN106784920B (en) * | 2017-01-06 | 2019-11-08 | 中车青岛四方机车车辆股份有限公司 | A kind of low-floor tramcar fuel cell cooling, hydrogen supply coupling device |
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Also Published As
| Publication number | Publication date |
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| CN106450380B (en) | 2019-04-23 |
| CN106450380A (en) | 2017-02-22 |
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