WO2023010844A1 - 一种燃料电池冷却通风系统 - Google Patents

一种燃料电池冷却通风系统 Download PDF

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Publication number
WO2023010844A1
WO2023010844A1 PCT/CN2022/079837 CN2022079837W WO2023010844A1 WO 2023010844 A1 WO2023010844 A1 WO 2023010844A1 CN 2022079837 W CN2022079837 W CN 2022079837W WO 2023010844 A1 WO2023010844 A1 WO 2023010844A1
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Prior art keywords
air
intercooler
box
air compressor
ventilation
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PCT/CN2022/079837
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English (en)
French (fr)
Inventor
刘小青
邓佳
梁未栋
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中山大洋电机股份有限公司
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Publication of WO2023010844A1 publication Critical patent/WO2023010844A1/zh

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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
    • 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
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • 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
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
    • 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 utility model relates to a fuel cell cooling ventilation system.
  • Proton exchange membrane hydrogen fuel cell is a high efficiency, high power density, zero emission power generation system, which has been widely used in various fields.
  • the stack in the fuel cell system is composed of several battery cells stacked in series, and its normal operation requires dry, clean, and insulated environmental conditions.
  • most of the current fuel cell systems place the stack module in a box, and ensure that the box meets the protection requirements of IP67 through a sealed design.
  • a small amount of hydrogen gas will inevitably leak. If the leaked hydrogen gas accumulates in the tank and cannot be discharged in time, there will be a risk of explosion when the concentration reaches a certain level.
  • a reliable box ventilation system must be designed to dilute the leaked reaction gas and discharge it out of the fuel cell box in time.
  • Patent No. CN202021142186.1 discloses a stack purging device for a stack-encapsulated fuel cell system.
  • the air discharged from the rear port of the intercooler of the air intake system is introduced on the side of the box to clean the inside of the box.
  • the space is purged, the box ventilation system is omitted, the structure is simplified, and the cost is reduced.
  • the air inlet of the box of this patent is arranged in the middle of the side of the box, and the gas outlet is arranged in the middle of the side of the box on the opposite side of the air inlet.
  • the structural layout is unreasonable, because the leaked unreacted hydrogen is light in weight.
  • This utility model is to provide a fuel cell cooling and ventilation system, which solves the problem that in the prior art, the fuel cell uses an external intercooler to output a branch air path to directly purge the tank, resulting in structural inadequacy. It is compact and occupies a large volume.
  • the air compressor in the air intake system needs to design a separate ventilation and cooling system, which increases the complexity of the system and increases the technical problems of cost.
  • Another purpose of this utility model is to provide a fuel cell cooling and ventilation system, which solves the problem that in the prior art, the fuel cell uses an external intercooler to output a branch air path to directly purge the tank, resulting in structural Complicated and not compact, occupying a large volume, and complicated technical problems of pipeline connections.
  • a fuel cell cooling ventilation system including an air compressor, an intercooler, a humidifier, a stack module and a box body, the box body is provided with a ventilation inlet and a ventilation outlet, and is characterized in that the intercooler, humidifier, and stack The modules are all installed inside the box, and the air compressor is located outside the box.
  • the air compressor sends air to the inlet of the intercooler, and the cold air output from the outlet of the intercooler is divided into two outputs, the main road and the branch road.
  • the main cold air is sent to the air input port of the stack module after being processed by the humidifier, the branch cold air is sent to the cooling channel inlet of the air compressor, and then returns to the ventilation inlet of the box from the cooling channel outlet of the air compressor.
  • the body is purged, and the hydrogen and heat accumulated inside the box are discharged from the ventilation outlet.
  • the above-mentioned box body is provided with an intercooler connector, one end of the intercooler connector is connected to the outlet of the intercooler through a pipeline, and the other end of the intercooler connector is connected to the cooling passage inlet of the air compressor through a pipeline.
  • the above-mentioned intercooler connector is located on the bottom plate of the box body.
  • the above-mentioned ventilation inlet is arranged on the bottom plate of the box body, and the ventilation outlet is arranged on the top of the box body.
  • the above-mentioned air compressor is also connected with an air flow meter and an air filter, and the external air reaches the inlet port of the air compressor after passing through the air filter and the air flow meter.
  • the above-mentioned intercooler is connected with a cooling liquid circulation system, through which the cooling liquid exchanges heat with the air entering the intercooler, thereby outputting cold air.
  • a cooling ventilation system for a fuel cell comprising an air compressor, an intercooler, a humidifier, an electric stack module, and a box body, and a ventilation outlet is arranged on the box body, and is characterized in that the intercooler, the humidifier, and the electric stack module are all provided with Inside the box, the air compressor is located outside the box. The air compressor sends the air to the inlet of the intercooler. The cold air output from the outlet of the intercooler is divided into two outputs, the main road and the branch road. The main road cold air After being treated by the humidifier, it is sent to the air input port of the stack module, and the branch cold air is directly input into the box for purging, and the hydrogen and heat accumulated inside the box are discharged from the ventilation outlet.
  • the above-mentioned branch cold air stretches into the bottom of the casing through the air inlet pipe, so that the cold air starts to blow from the bottom of the casing 7 .
  • the above-mentioned ventilation outlet is arranged on the top of the box body.
  • the above-mentioned air compressor is also connected with an air flow meter and an air filter, and the external air reaches the inlet end of the air compressor after passing through the air filter and the air flow meter.
  • the liquid exchanges heat with the air entering the intercooler, thereby outputting cold air.
  • Solution 1 of the utility model is to install the intercooler, humidifier, and stack module inside the box, and the air compressor is located outside the box, and the air compressor delivers air to the inlet of the intercooler.
  • the cold air output from the outlet of the cooler is divided into two outputs, the main road and the branch road.
  • the cold air from the main road is sent to the air input port of the stack module after being processed by the humidifier, and the cold air from the branch road is sent to the cooling channel inlet of the air compressor. , and then return from the outlet of the cooling channel of the air compressor to the ventilation inlet of the box to purge the box, and discharge the hydrogen and heat accumulated inside the box from the ventilation outlet.
  • the air compressor does not need to design a separate ventilation and heat dissipation system, which reduces the complexity of the system and reduces the product cost. It is compact in structure, small in size, and occupies a small space. , and the cooled air purges the inside of the box.
  • the second solution of the utility model is that the intercooler, humidifier, and electric stack module are all arranged inside the box body, and the air compressor is located outside the box body, and the air compressor delivers air to the inlet of the intercooler, and the intercooler
  • the cold air output from the outlet of the device is divided into two outputs, the main road and the branch road.
  • the cold air from the main road is sent to the air input port of the stack module after being processed by the humidifier, and the cold air from the branch road is directly input into the box for purging.
  • the hydrogen and heat accumulated inside the box are exhausted from the ventilation outlet. Simple structure, few parts, low cost, small volume and small space occupation.
  • Fig. 1 is a perspective view provided by Embodiment 1 of the utility model
  • Fig. 2 is the principle block diagram that the utility model embodiment one provides;
  • Fig. 3 is a schematic diagram of the principle structure provided by Embodiment 1 of the present invention.
  • Fig. 4 is a schematic block diagram provided by Embodiment 2 of the present invention.
  • Fig. 5 is a schematic structural diagram of the principle provided by Embodiment 2 of the present invention.
  • this embodiment provides a fuel cell cooling ventilation system, including an air compressor 3, an intercooler 4, a humidifier 5, a stack module 6, and a box body 7, the box body 7 Ventilation inlet 9 and ventilation outlet 8 are arranged on the top, and the feature is that intercooler 4, humidifier 5, and stack module 6 are all arranged inside the box body 7, the air compressor 3 is located outside the box body 7, and the air compressor 3
  • the air is delivered to the inlet of the intercooler 4, and the cold air output from the outlet of the intercooler 4 is divided into two outputs, the main road and the branch road, and the cold air of the main road is sent to the air input of the stack module 6 after being processed by the humidifier 5
  • the branch cold air is transported to the inlet of the cooling channel of the air compressor 3, and then returns from the outlet of the cooling channel of the air compressor 3 to the ventilation inlet of the box 7.
  • the box 7 is purged, and the inside of the box 7 is collected.
  • the hydrogen and heat are discharged from the ventilation outlet 8.
  • the utility model has the advantages of compact structure, small volume, and small space occupation.
  • the air compressor does not need to design a separate ventilation and heat dissipation system, which reduces the complexity of the system and reduces the product cost. To dissipate heat and cool, and the cooled air purges the inside of the box.
  • the above-mentioned whole process is a complete process of air compressor cooling and box purging and ventilation.
  • the whole process integrates air compressor cooling and box ventilation into one system, which has a simple structure, reduces the layout of parts, and saves costs.
  • An intercooler joint 10 is arranged on the above-mentioned box body 7, and one end of the intercooler joint 10 is connected to the branch outlet of the intercooler 4 through a pipeline, and the other end of the intercooler joint 10 is connected to the cooling system of the air compressor 3 through a pipeline. Passage entrance.
  • the intercooler joint 10 facilitates the connection between the intercooler 4 and the air compressor 3 .
  • the above-mentioned intercooler joint 10 is located on the bottom plate 70 of the box body 7, and the layout is reasonable.
  • the above-mentioned ventilation inlet 9 is arranged on the bottom plate 70 of the box body 7 , and the ventilation outlet 8 is arranged on the top of the box body 7 , which is convenient for purging the inside of the box body 7 , and at the same time facilitates the discharge of leaked hydrogen from the ventilation outlet 8 .
  • Above-mentioned air compressor 3 is also connected with air flow meter 2 and air filter 1, and external air arrives at the inlet port of air compressor 3 after air filter 1 and air flow meter 2.
  • the above-mentioned intercooler 4 is connected to a cooling liquid circulation system, and the cooling liquid exchanges heat with the air entering the intercooler 4, thereby outputting cold air. It is discharged from the ventilation outlet 8 to achieve the purpose of cooling the air compressor and purging and ventilating the box.
  • the hydrogen concentration sensor 12 monitors the hydrogen concentration at the ventilation outlet 8 in real time.
  • the external air After being filtered by the air filter 1, the external air enters the air compressor 3 through the air flow meter 2, and the pressurized air enters the intercooler 4 for cooling, and the cooled air is divided into a main road and a branch
  • the main road After being humidified by the humidifier 5, the main road enters the stack module 6 to react with the hydrogen gas sent in at the same time, and the remaining air after the reaction is discharged from the tail outlet.
  • the branch at the outlet end of the intercooler 4 is connected with the intercooler interface 10, and then enters the cooling channel of the air compressor 3 from the cooling inlet of the air compressor 3, and the cold air takes away the heat inside the air compressor 3 from The cooling outlet discharges.
  • the above-mentioned whole process forms a complete process for the cooling of the air compressor 3 and the purging and ventilation of the box 7.
  • the whole process integrates the cooling of the air compressor and the ventilation of the box into one system, which has a simple structure, reduces the layout of parts, and saves costs.
  • Embodiment 1 This embodiment is a modification based on Embodiment 1: The difference between this embodiment and Embodiment 1 is that the air compressor 3 does not need air cooling, as follows:
  • a fuel cell cooling ventilation system includes an air compressor 3, an intercooler 4, a humidifier 5, a stack module 6 and a box body 7, and the box body 7 is provided with a ventilation outlet 8, It is characterized in that the intercooler 4, humidifier 5, and stack module 6 are all arranged inside the box body 7, the air compressor 3 is located outside the box body 7, and the air compressor 3 delivers air to the inlet of the intercooler 4 , the cold air output from the outlet of the intercooler 4 is divided into two outputs, the main road and the branch road. The inside of the box 7 is purged, and the hydrogen and heat accumulated inside the box 7 are discharged from the ventilation outlet 8.
  • the structure is simple, the volume is small, the parts are few, the cost is low, the space occupied is small, and the manufacturing cost is low.
  • the above-mentioned branch cold air stretches into the bottom of the box body 7 through the exhaust duct 11, so that the cold air starts to blow from the bottom of the box body 7.
  • the above-mentioned ventilation outlet 8 is arranged on the top of the box body 7 . It is convenient to purge the inside of the box body 7 , and at the same time, it is convenient to discharge the leaked hydrogen gas from the ventilation outlet 8 .
  • the above-mentioned air compressor 3 is also connected with an air flow meter 2 and an air filter 1, the external air reaches the inlet end of the air compressor 3 after passing through the air filter 1 and the air flow meter 2, and the intercooler 4 is connected with a cooling
  • the liquid circulation system is connected to exchange heat with the air entering the intercooler 4 through the cooling liquid, thereby outputting cold air.
  • Embodiment 1 can be applied to Embodiment 2.
  • the intercooler interface 10 can be blocked or closed, and the outlet of the intercooler 4 The branch at the end is not connected to the intercooler interface 10, and the air is directly discharged at the bottom of the box 7, and the hydrogen and heat accumulated inside the box 7 are discharged from the ventilation outlet 8, so as to achieve the purpose of purging and ventilating the box.
  • the box body 7 is suitable for different situations and has stronger adaptability.

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Abstract

本实用新型公开了一种燃料电池冷却通风系统，包括空压机、中冷器、加湿器、电堆模块和箱体，箱体上设置通风入口和通风出口，其特征在于：中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气输送到空压机的冷却通道入口，再从空压机的冷却通道出口返回到箱体的通风入口对箱体进行吹扫，将箱体内部聚集的氢气和热量从通风出口排出。它将空压机冷却和箱体通风集成于一套系统，结构简单，减少零部件的布置，节约成本。

Description

一种燃料电池冷却通风系统 技术领域：
本实用新型涉及一种燃料电池冷却通风系统。
背景技术：
质子交换膜氢燃料电池是一种高效率、高功率密度、零排放的发电系统，已广泛的应用在各个领域中。燃料电池系统中的电堆是由若干电池单元以串联方式层叠而成，其正常工作需要干燥、清洁、绝缘的环境条件。为了保证电堆的工作环境，目前绝大部分燃料电池系统是将电堆模块放置于一箱体中，并通过密封设计保证箱体达到IP67的防护要求。但是燃料电池电堆在工作过程中，不可避免的会有微量氢气泄露，如果泄露的氢气在箱体内聚集不能及时的排出，达到一定会的浓度将会有爆炸的风险。另外，燃料电池电堆工作时会产生高温，箱体内部持续的高温，会影响箱体内电子元器件寿命。所以必须设计一套可靠的箱体通风系统，及时将泄漏的反应气体稀释、排出燃料电池箱体外。
在专利号为CN202021142186.1中公布了一种电堆封装式燃料电池系统的电堆吹扫装置，通过在箱体侧面引入空气进气系统的中冷器后端口排出的空气，对箱体内部空间进行吹扫，省略了箱体通风系统，结构简化，降低了成本。但是该专利的箱体进气口设置在箱体侧面的中间位置，在进气口的相对侧箱体侧面的中间位置的设置出气口，结构布局不合理，因为泄漏的未反应氢气由于质量轻，通常浮于箱体顶部，这样的设计不利于氢气的排出，箱体底部空间就很难吹扫到，吹扫效果不好。另外，此方案中冷器布置于箱体外部的布置方式，导致结构不紧凑，占用体积大，另外，在燃料电池空气进气系统中的空压机，也需要风冷散热，需要单独设计一套通风系统，这样增加系统的复杂性，增加了成本。
发明内容：
本实用新型的一个目的是提供一种燃料电池冷却通风系统，解决现有技术中燃料电池中利用外置于箱体的中冷器输出一路分支气路直接对箱体进行吹 扫，导致结构不紧凑，占用体积大，空气进气系统中的空压机需要单独设计一套通风散热系统，增加系统的复杂性，增加了成本的技术问题。
本实用新型的另一个目的是提供一种燃料电池冷却通风系统，解决现有技术中燃料电池中利用外置于箱体的中冷器输出一路分支气路直接对箱体进行吹扫，导致结构复杂不紧凑，占用体积大，管路连接复杂的技术问题。
本实用新型的目的是通过下述技术方案予以实现的。
一种燃料电池冷却通风系统，包括空压机、中冷器、加湿器、电堆模块和箱体，箱体上设置通风入口和通风出口，其特征在于：中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气输送到空压机的冷却通道入口，再从空压机的冷却通道出口返回到箱体的通风入口对箱体进行吹扫，将箱体内部聚集的氢气和热量从通风出口排出。
上述的箱体上设置中冷器接头，中冷器接头的一端通过管道连接到中冷器的出口，中冷器接头的另一端通过管道连接到空压机的冷却通道入口。
上述的中冷器接头位于箱体的底板上。
上述的通风入口设置在箱体的底板上，通风出口设置在箱体顶部上。
上述的空压机还连接有空气流量计和空气滤清器，外部空气经过空气滤清器和空气流量计后到达空压机的入口端。
上述的中冷器与一冷却液循环系统连接，通过冷却液与进入中冷器的空气进行热量交换，从而输出冷空气。
一种燃料电池冷却通风系统，包括空压机、中冷器、加湿器、电堆模块和箱体，箱体上设置通风出口，其特征在于：中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气直接输入到箱体里面进行吹扫， 将箱体内部聚集的氢气和热量从通风出口排出。
上述的支路冷空气通过进风管道伸入到箱体的底部，使冷空气从箱体7的底部开始吹扫。
上述的通风出口设置在箱体顶部上。
上述的空压机还连接有空气流量计和空气滤清器，外部空气经过空气滤清器和空气流量计后到达空压机的入口端，中冷器与一冷却液循环系统连接，通过冷却液与进入中冷器的空气进行热量交换，从而输出冷空气。
本实用新型与现有技术相比，具有如下效果：
1)本实用新型的方案一是将中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气输送到空压机的冷却通道入口，再从空压机的冷却通道出口返回到箱体的通风入口对箱体进行吹扫，将箱体内部聚集的氢气和热量从通风出口排出。空压机无需单独设计一套通风散热系统，降低系统的复杂性，减少了产品成本的，结构紧凑，体积小，占用空间小，空压机的散热由中冷器支路冷空气来散热冷却，且冷却后的空气对箱体内部进行吹扫。
2)本实用新型的方案二是中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气直接输入到箱体里面进行吹扫，将箱体内部聚集的氢气和热量从通风出口排出。结构简单，零件少，成本低，体积小，占用空间小。
3)本实用新型的其它优点在实施例部分展开详细描述。
附图说明：
图1是本实用新型实施例一提供的立体图；
图2是本实用新型实施例一提供的原理方框图；
图3是本实用新型实施例一提供的原理结构示意图。
图4是本实用新型实施例二提供的原理方框图；
图5是本实用新型实施例二提供的原理结构示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：
如图1至图3所示，本实施例提供的是一种燃料电池冷却通风系统，包括空压机3、中冷器4、加湿器5、电堆模块6和箱体7，箱体7上设置通风入口9和通风出口8，其特征在于：中冷器4、加湿器5、电堆模块6都设置于箱体7的内部，空压机3位于箱体7外部，空压机3将空气输送到中冷器4的入口，中冷器4的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器5的处理送到电堆模块6的空气输入口，支路冷空气输送到空压机3的冷却通道入口，再从空压机3的冷却通道出口返回到箱体7的通风入口9对箱体7进行吹扫，将箱体7内部聚集的氢气和热量从通风出口8排出。
本实用新型结构紧凑，体积小，占用空间小，空压机无需单独设计一套通风散热系统，降低系统的复杂性，减少了产品成本的，空压机的散热由中冷器支路冷空气来散热冷却，且冷却后的空气对箱体内部进行吹扫。上述整个过程为空压机冷却和箱体吹扫通风的完整流程，整个流程将空压机冷却和箱体通风集成于一套系统，结构简单，减少零部件的布置，节约成本。
上述箱体7上设置中冷器接头10，中冷器接头10的一端通过管道连接到中冷器4的支路出口，中冷器接头10的另一端通过管道连接到空压机3的冷却通道入口。中冷器接头10便于中冷器4与空压机3的连接。
上述的中冷器接头10位于箱体7的底板70上，布局合理。
上述的通风入口9设置在箱体7的底板70上，通风出口8设置在箱体7顶部上，便于对箱体7内部进行吹扫，同时便于泄漏的氢气从通风出口8排出。
上述的空压机3还连接有空气流量计2和空气滤清器1，外部空气经过空气 滤清器1和空气流量计2后到达空压机3的入口端。上述的中冷器4与一冷却液循环系统连接，通过冷却液与进入中冷器4的空气进行热量交换，从而输出冷空气。从通风出口8排出，达到空压机散热和箱体吹扫通风的目的。氢气浓度传感器12实时监控通风出口8处的氢气浓度。
外部空气经过空气滤清器1的过滤后经空气流量计2进入空压机3中，经加压后的空气进入到中冷器4中冷却，冷却后的空气分为一条主路和一条支路，主路经过加湿器5的加湿后进入电堆模组6中与同时送入的氢气进行反应，反应后剩余的空气从尾排出口中排出。在中冷器4的出口端的支路则与中冷器接口10相连接，再从空压机3的冷却入口进入到空压机3的冷却通道，冷空气带走空压机3内部热量从冷却出口排出。随后从箱体7底部的通风入口9吹入箱体内部，将箱体内部聚集的氢气和热量从通风出口8排出。氢气浓度传感器12实时监控通风出口8处的氢气浓度。上述整个过程为空压机3冷却和箱体7吹扫通风形成完整流程，整个流程将空压机冷却和箱体通风集成于一套系统，结构简单，减少零部件的布置，节约成本。
实施例二：
本实施例是在实施例一基础上的改动：本实施例与实施例一的区别是：空压机3无需空气冷却，具体如下：
如图4和图5所示，一种燃料电池冷却通风系统，包括空压机3、中冷器4、加湿器5、电堆模块6和箱体7，箱体7上设置通风出口8，其特征在于：中冷器4、加湿器5、电堆模块6都设置于箱体7的内部，空压机3位于箱体7外部，空压机3将空气输送到中冷器4的入口，中冷器4的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器5的处理送到电堆模块6的空气输入口，支路冷空气直接输入到箱体7里面进行吹扫，将箱体7内部聚集的氢气和热量从通风出口8排出。结构简单，体积小，零件少，成本低，占用空间小，制造成本低。
上述的支路冷空气通过排风管道11伸入到箱体7的底部，使冷空气从箱体7的底部开始吹扫。
上述的通风出口8设置在箱体7顶部上。便于对箱体7内部进行吹扫，同时便于泄漏的氢气从通风出口8排出。
上述的空压机3还连接有空气流量计2和空气滤清器1，外部空气经过空气滤清器1和空气流量计2后到达空压机3的入口端，中冷器4与一冷却液循环系统连接，通过冷却液与进入中冷器4的空气进行热量交换，从而输出冷空气。
实施例一的箱体7可以应用到实施例二中，另外，如果所运用的空压机3不需要引入外部风冷，则可堵住或关闭中冷器接口10，中冷器4的出口端的支路不连接中冷器接口10，直接在箱体7内底部排出空气，将箱体7内部聚集的氢气和热量从通风出口8排出，达到箱体吹扫通风的目的。这样，箱体7适用不同状况，适应性更强。
以上实施例为本实用新型的较佳实施方式，但本实用新型的实施方式不限于此，其他任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种燃料电池冷却通风系统，包括空压机、中冷器、加湿器、电堆模块和箱体，箱体上设置通风入口和通风出口，其特征在于：中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气输送到空压机的冷却通道入口，再从空压机的冷却通道出口返回到箱体的通风入口对箱体进行吹扫，将箱体内部聚集的氢气和热量从通风出口排出。
  2. 根据权利要求1所述的一种燃料电池冷却通风系统，其特征在于：箱体上设置中冷器接头，中冷器接头的一端通过管道连接到中冷器的支路出口，中冷器接头的另一端通过管道连接到空压机的冷却通道入口。
  3. 根据权利要求2所述的一种燃料电池冷却通风系统，其特征在于：中冷器接头位于箱体的底板上。
  4. 根据权利要求1或2或3所述的一种燃料电池冷却通风系统，其特征在于：通风入口设置在箱体的底板上，通风出口设置在箱体顶部上。
  5. 根据权利要求4所述的一种燃料电池冷却通风系统，其特征在于：空压机还连接有空气流量计和空气滤清器，外部空气经过空气滤清器和空气流量计后到达空压机的入口端。
  6. 根据权利要求5所述的一种燃料电池冷却通风系统，其特征在于：中冷器与一冷却液循环系统连接，通过冷却液与进入中冷器的空气进行热量交换，从而输出冷空气。
  7. 一种燃料电池冷却通风系统，包括空压机、中冷器、加湿器、电堆模块和箱体，箱体上设置通风出口，其特征在于：中冷器、加湿器、电堆模块都设置于箱体的内部，空压机位于箱体外部，空压机将空气输送到中冷器的入口，中冷器的出口输出的冷空气分成主路和支路两路输出，主路冷空气经过加湿器的处理送到电堆模块的空气输入口，支路冷空气直接输入到箱体里面进行吹扫， 将箱体内部聚集的氢气和热量从通风出口排出。
  8. 根据权利要求7所述的一种燃料电池冷却通风系统，其特征在于：支路冷空气通过进风管道伸入到箱体的底部，使冷空气从箱体的底部开始吹扫。
  9. 根据权利要求8所述的一种燃料电池冷却通风系统，其特征在于：通风出口设置在箱体顶部上。
  10. 根据权利要求9所述的一种燃料电池冷却通风系统，其特征在于：空压机还连接有空气流量计和空气滤清器，外部空气经过空气滤清器和空气流量计后到达空压机的入口端，中冷器与一冷却液循环系统连接，通过冷却液与进入中冷器的空气进行热量交换，从而输出冷空气。
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