WO2020173168A1 - Hydrogen circulation device for fuel cell and fuel cell to which same is applied - Google Patents

Hydrogen circulation device for fuel cell and fuel cell to which same is applied Download PDF

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Publication number
WO2020173168A1
WO2020173168A1 PCT/CN2019/123955 CN2019123955W WO2020173168A1 WO 2020173168 A1 WO2020173168 A1 WO 2020173168A1 CN 2019123955 W CN2019123955 W CN 2019123955W WO 2020173168 A1 WO2020173168 A1 WO 2020173168A1
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WIPO (PCT)
Prior art keywords
hydrogen
fuel cell
block
hydrogen circulation
circulation device
Prior art date
Application number
PCT/CN2019/123955
Other languages
French (fr)
Chinese (zh)
Inventor
李勇
邓佳
韦庆省
梁未栋
王宏旭
赵勇富
易勇
郭志军
Original Assignee
中山大洋电机股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910151089.4A external-priority patent/CN109742421B/en
Priority claimed from CN201920255680.XU external-priority patent/CN209544522U/en
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2020173168A1 publication Critical patent/WO2020173168A1/en

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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
    • 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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
    • 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 hydrogen circulation device and a fuel cell applied thereto.
  • Existing hydrogen energy fuel cells generally include a box body, a box cover, a stack module (that is, a fuel cell stack that is composed of multiple independent single fuel cells connected in series), a fuel cell hydrogen inlet regulating assembly device, and a stack gas outlet valve Group, fuel cell hydrogen circulation device, air gas circuit system and cooling system, among which the stack module, fuel cell hydrogen inlet regulating assembly device, and stack gas outlet valve group are all installed in the box body air and gas circuit system, cooling system, hydrogen The circulating pump is installed outside the box.
  • a stack module that is, a fuel cell stack that is composed of multiple independent single fuel cells connected in series
  • a fuel cell hydrogen inlet regulating assembly device and a stack gas outlet valve Group
  • fuel cell hydrogen circulation device air gas circuit system and cooling system, among which the stack module, fuel cell hydrogen inlet regulating assembly device, and stack gas outlet valve group are all installed in the box body air and gas circuit system, cooling system, hydrogen
  • the circulating pump is installed outside the box.
  • the fuel cell hydrogen circulation device is used to pump the unreacted hydrogen on the hydrogen loop from the anode side outlet of the fuel cell stack directly back to the anode side inlet, merge with the freshly injected reactant gas at the inlet and enter the fuel cell to re-participate in the reaction, improving the utilization rate of hydrogen And stack operation safety.
  • the main mechanism includes a hydrogen circulation device, including a first diaphragm, a first mounting plate, a first gas gathering block, a motor, a second diaphragm, a second mounting plate, a second gas gathering block, a joint, a hydrogen inlet pipe and a hydrogen outlet pipe ,
  • the bottom of the first mounting plate is installed with the first gas gathering block
  • the top of the first mounting plate is installed with the first diaphragm pump
  • the bottom of the second mounting plate is installed with the second gas gathering block
  • the top of the second mounting plate is installed with the second diaphragm pump
  • the first gas collecting block and the second gas collecting block are connected by a joint
  • a motor is installed between the first diaphragm pump and the second diaphragm pump
  • the motor drives the first diaphragm pump and the second diaphragm pump.
  • the side connection is connected to the hydrogen inlet pipe, and one side of the first gas gathering block is connected to the hydrogen outlet pipe.
  • the fuel cell hydrogen inlet regulating assembly device of this structure is prone to failure at low temperature start and does not have a cold start function. This directly affects the cold start of the fuel cell.
  • the purpose of the utility model is to provide a fuel cell hydrogen cycle device and a fuel cell used in the same, which can solve the problem that the hydrogen cycle device does not have a cold start function.
  • a fuel cell hydrogen circulation device includes a hydrogen circulation pump, and the hydrogen circulation pump is equipped with a heater and a temperature sensor.
  • the heater is an electric heating plate.
  • the heater and the temperature sensor are respectively connected to the fuel cell controller.
  • the temperature sensor senses the temperature of the hydrogen circulation pump. When the sensed temperature is lower than the set value, the fuel cell controller controls the heater to work. When the sensed temperature is high At the set value, the fuel cell controller controls the heater to stop working.
  • the nitrogen circulation unit includes a first diaphragm, a first mounting plate, a first gas gathering block, a motor, a second diaphragm pump, a second mounting plate, a second gas gathering block, a joint, a hydrogen inlet pipe and a hydrogen outlet pipe.
  • the bottom of the mounting plate is equipped with the first air gathering block
  • the top of the first mounting plate is mounted with the first diaphragm
  • the bottom of the second mounting plate is mounted with the second air gathering block
  • the top of the second mounting plate is mounted with the second diaphragm pump
  • the first gas gathering block and the second gas gathering block are connected by a joint
  • a motor is installed between the first diaphragm pump and the second diaphragm pump, and the motor drives the first diaphragm pump and the second diaphragm pump.
  • the side is connected to the hydrogen inlet pipe
  • one side of the first gas gathering block is connected to the hydrogen outlet pipe
  • the heater is installed on the second gas gathering block or/and the first gas gathering block.
  • the heater is mounted on the bottom surface of the second gas gathering block or/and the first gas gathering block; the temperature sensor is a wire ear temperature sensor, and the wire ear temperature sensor is fixed to the second gas gathering block by screws On the side.
  • the second gas gathering block includes a flow channel top plate and a flow channel bottom plate.
  • a hydrogen flow channel is formed between the flow channel top plate and the flow channel bottom plate.
  • the heater is attached to the bottom of the bottom plate of the flow channel, and the temperature sensor is fixed on the side of the top plate of the flow channel by screws.
  • the bottom of the heater is provided with a pressure plate, and the pressure plate and the flow channel bottom plate are fixed by screws and the heater is pressed tightly.
  • the first gas gathering block has the same structure as the second gas gathering block.
  • a fuel cell includes a box body, a box cover, a stack module, a hydrogen circulation device, an air gas path system, a cooling system, a ventilation component, and a hydrogen inlet manifold block.
  • the hydrogen circulation device includes any one of the above hydrogen Circulating device.
  • the hydrogen circulation device of the fuel cell of the present utility model detects the temperature of the hydrogen circulation device through a temperature sensor, and heats the hydrogen circulation device at an appropriate time through a heater, so as to realize the cold start function;
  • Figure 1 is a perspective view of the hydrogen circulation device of the present invention
  • FIG. 2 is a partial structural diagram of the hydrogen circulation device of the present invention.
  • Figure 3 is a partial cross-sectional view of the hydrogen circulation device of the present invention.
  • Figure 4 is a partial enlarged view of A in Figure 3;
  • Figure 5 is a control circuit diagram of the hydrogen circulation device in the present utility model
  • Figure 6 is a perspective view of the fuel cell in the present utility model
  • Figure 7 is an exploded perspective view of the fuel cell of the present invention.
  • Fig. 8 is a partial structural diagram of the fuel cell of the present invention.
  • this embodiment is a fuel cell hydrogen circulation device, including a hydrogen circulation pump 6.
  • the hydrogen circulation pump 6 is equipped with a heater 1B and a temperature sensor 2B, and the temperature sensor 2B detects the status of the hydrogen circulation device. Temperature, the hydrogen circulation device is heated by the heater 1B at an appropriate time, so as to realize the cold start function.
  • the heater 1B is an electric heating plate, and the hydrogen circulation device is heated by the electric heating plate at an appropriate time, so as to realize the cold start function.
  • the heater 1B and the temperature sensor 2B are respectively connected to the fuel cell controller 3B.
  • the temperature sensor 2B senses the temperature of the hydrogen circulation pump 6. When the sensed temperature is lower than the set value, the fuel cell controller 3B controls the heater 1B When the sensed temperature is higher than the set value, the fuel cell controller 3B controls the heater 1B to stop working, and the fuel cell controller 3B controls heating.
  • the control is fast and simple.
  • the hydrogen circulation pump 6 includes a first diaphragm pump 61, a first mounting plate 62, a first gas gathering block 63, a motor 64, a second diaphragm pump 65, a second mounting plate 66, a second gas gathering block 67, a joint 68, and an inlet
  • the hydrogen pipe 69 and the hydrogen outlet pipe 670 the bottom of the first mounting plate 62 is equipped with a first gas collecting block 63
  • the top of the first mounting plate 62 is equipped with a first diaphragm pump 61
  • the bottom of the second mounting plate 66 is equipped with a second gas collecting block Block 67
  • the second diaphragm pump 65 is installed on the top of the second mounting plate 66
  • the first gas collecting block 63 and the second gas collecting block 67 are connected by a joint 68
  • the first diaphragm pump 61 and the second diaphragm pump 65 Install the motor 64, the motor 64 drives the first diaphragm pump 61 and the second dia
  • the heater 1B is mounted on the bottom surface installed on the second air collecting block 67 or/and the first air collecting block 63; the temperature sensor 2B is a wire ear temperature sensor, and the wire ear temperature sensor is fixed on the first On the side of the second gas gathering block 67, the installation is convenient and the structure is simple.
  • the second gas gathering block 67 includes a flow channel top plate 41B and a flow channel bottom plate 42B.
  • a hydrogen flow channel 43B is formed between the flow channel top plate 41B and the flow channel bottom plate 42B.
  • the heater 1B is attached to the bottom of the runner bottom plate 42B, and the temperature sensor 2B is fixed on the side of the runner top plate 41B by screws.
  • the bottom of the heater 1B is provided with a pressure plate 11B, and the pressure plate 11B and the flow channel bottom plate 42B are fixed by screws and the heater 1B is pressed tightly to prevent the heater from loosening, and the fuel cell cannot realize the cold start function.
  • the first gas gathering block 63 and the second gas gathering block 67 have the same structure.
  • Embodiment two is a diagrammatic representation of Embodiment two:
  • a fuel cell includes a box body 1, a box cover 11, a stack module 2, a hydrogen circulation device 6A, an air path system 4, a cooling system 5, a ventilation component 7 and a hydrogen inlet integrated Qi block 8,
  • the hydrogen circulation device is the hydrogen circulation device described in any one of the foregoing embodiment 1.
  • the above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are all The equivalent replacement methods are all included in the protection scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel Cell (AREA)

Abstract

Disclosed in the present utility model are a hydrogen circulation device for a fuel cell and a fuel cell to which same is applied, comprising a box body, a box cover, a stack module, the hydrogen circulation device, an air gas path system, a cooling system, a ventilation component and a hydrogen intake integrated manifold; the hydrogen circulation device comprises a hydrogen circulation pump; a heater and a temperature sensor are installed on the hydrogen circulation pump; the temperature of the hydrogen circulation device is detected by means of the temperature sensor, and the hydrogen circulation device is heated at a suitable time by means of the heater, thereby achieving a cold start function.

Description

一种燃料电池氮气循环装置及其应用的燃料电池 Nitrogen circulation device for fuel cell and applied fuel cell
技术领域： Technical field:
本实用新型涉及一种燃料电池氢气循环装置及其应用的燃料电池。 The utility model relates to a fuel cell hydrogen circulation device and a fuel cell applied thereto.
背景技术： Background technique:
现有的氢能源燃料电池一般包括箱体、 箱盖、 电堆模块（即燃料电池堆一 即串联多个独立的单个燃料电池组成）、 燃料电池进氢调节总成装置、 电堆出气 口阀门组、 燃料电池氢气循环装置、 空气气路系统和冷却系统， 其中电堆模块、 燃料电池进氢调节总成装置、 电堆出气口阀门组都安装在箱体内空气气路系统、 冷却系统、 氢气循环泵安装在箱体外面。 Existing hydrogen energy fuel cells generally include a box body, a box cover, a stack module (that is, a fuel cell stack that is composed of multiple independent single fuel cells connected in series), a fuel cell hydrogen inlet regulating assembly device, and a stack gas outlet valve Group, fuel cell hydrogen circulation device, air gas circuit system and cooling system, among which the stack module, fuel cell hydrogen inlet regulating assembly device, and stack gas outlet valve group are all installed in the box body air and gas circuit system, cooling system, hydrogen The circulating pump is installed outside the box.
燃料电池氢气循环装置作为将氢气回路上未反应的氢气从燃料电池电堆阳 极侧出口直接泵回阳极侧入口， 与入口处新鲜注入的反应气汇合后进入燃料电 池重新参加反应， 提高氢气利用率和电堆运行安全性。 主要机构包括氢气循环 装置包括第一隔膜果、 第一安装板、 第一集气块、 电机、 第二隔膜果、 第二安 装板、 第二集气块、 接头、 进氢管道和出氢管道， 第一安装板的底部安装第一 集气块， 第一安装板的顶部安装第一隔膜泵， 第二安装板的底部安装第二集气 块， 第二安装板的顶部安装第二隔膜泵， 第一集气块与 第二集气块之间用接头 连接， 第一隔膜泵与第二隔膜泵之间安装电机， 电机驱动第一隔膜泵和第二隔 膜泵， 第二集气块一侧连接连接进氢管道， 第一集气块的一侧连接出氢管道。 这种结构的燃料电池进氢调节总成装置， 低温启动容易失效， 不具备冷启动功 能。 从而直接影响了燃料电池的冷启动。 The fuel cell hydrogen circulation device is used to pump the unreacted hydrogen on the hydrogen loop from the anode side outlet of the fuel cell stack directly back to the anode side inlet, merge with the freshly injected reactant gas at the inlet and enter the fuel cell to re-participate in the reaction, improving the utilization rate of hydrogen And stack operation safety. The main mechanism includes a hydrogen circulation device, including a first diaphragm, a first mounting plate, a first gas gathering block, a motor, a second diaphragm, a second mounting plate, a second gas gathering block, a joint, a hydrogen inlet pipe and a hydrogen outlet pipe , The bottom of the first mounting plate is installed with the first gas gathering block, the top of the first mounting plate is installed with the first diaphragm pump, the bottom of the second mounting plate is installed with the second gas gathering block, and the top of the second mounting plate is installed with the second diaphragm pump , The first gas collecting block and the second gas collecting block are connected by a joint, a motor is installed between the first diaphragm pump and the second diaphragm pump, and the motor drives the first diaphragm pump and the second diaphragm pump. The side connection is connected to the hydrogen inlet pipe, and one side of the first gas gathering block is connected to the hydrogen outlet pipe. The fuel cell hydrogen inlet regulating assembly device of this structure is prone to failure at low temperature start and does not have a cold start function. This directly affects the cold start of the fuel cell.
实用新型内容： Utility model content:
本实用新型的目的是提供一种燃料电池氢气循环装置及其应用的燃料电 池， 能解决氢气循环装置不具备冷启动功能的问题。 The purpose of the utility model is to provide a fuel cell hydrogen cycle device and a fuel cell used in the same, which can solve the problem that the hydrogen cycle device does not have a cold start function.
本实用新型的目的是通过下述技术方案予以实现的。 The purpose of the utility model is achieved through the following technical solutions.
一种燃料电池氢气循环装置， 包括氢气循环泵， 氢气循环泵安装有加热器 和温度传感器。 所述加热器为电加热板。 A fuel cell hydrogen circulation device includes a hydrogen circulation pump, and the hydrogen circulation pump is equipped with a heater and a temperature sensor. The heater is an electric heating plate.
所述加热器和温度传感器分别与燃料电池控制器连接， 温度传感器感测氢 气循环泵的温度， 当感测温度低于设定值时， 燃料电池控制器控制加热器工作， 当感测温度高于设定值时， 燃料电池控制器控制加热器停止工作。 The heater and the temperature sensor are respectively connected to the fuel cell controller. The temperature sensor senses the temperature of the hydrogen circulation pump. When the sensed temperature is lower than the set value, the fuel cell controller controls the heater to work. When the sensed temperature is high At the set value, the fuel cell controller controls the heater to stop working.
氮气循环果包括第一隔膜果、 第一安装板、 第一集气块、 电机、 第二隔膜 泵、 第二安装板、 第二集气块、 接头、 进氢管道和出氢管道， 第一安装板的底 邵安装第一集气块， 第一安装板的顶邵安装第一隔膜果， 第二安装板的底邵安 装第二集气块， 第二安装板的顶部安装第二隔膜泵， 第一集气块与 第二集气块 之间用接头连接， 第一隔膜泵与第二隔膜泵之间安装电机， 电机驱动第一隔膜 泵和第二隔膜泵， 第二集气块一侧连接进氢管道， 第一集气块的一侧连接出氢 管道， 加热器安装在第二集气块或者 /和第一集气块上。 The nitrogen circulation unit includes a first diaphragm, a first mounting plate, a first gas gathering block, a motor, a second diaphragm pump, a second mounting plate, a second gas gathering block, a joint, a hydrogen inlet pipe and a hydrogen outlet pipe. The bottom of the mounting plate is equipped with the first air gathering block, the top of the first mounting plate is mounted with the first diaphragm, the bottom of the second mounting plate is mounted with the second air gathering block, and the top of the second mounting plate is mounted with the second diaphragm pump , The first gas gathering block and the second gas gathering block are connected by a joint, a motor is installed between the first diaphragm pump and the second diaphragm pump, and the motor drives the first diaphragm pump and the second diaphragm pump. The side is connected to the hydrogen inlet pipe, one side of the first gas gathering block is connected to the hydrogen outlet pipe, and the heater is installed on the second gas gathering block or/and the first gas gathering block.
加热器贴装在安装在第二集气块或者 /和第一集气块上的底面上； 所述温度 传感器为线耳式温度传感器， 线耳式温度传感器通过螺钉固定在第二集气块的 侧面上。 The heater is mounted on the bottom surface of the second gas gathering block or/and the first gas gathering block; the temperature sensor is a wire ear temperature sensor, and the wire ear temperature sensor is fixed to the second gas gathering block by screws On the side.
所述第二集气块包括流道顶板和流道底板， 所述流道顶板和流道底板之间 形成氢气流道， 当进氢管道输进氢气时， 氢气经过第二集气块的氢气流道再通 过接头传送至第一集气块里从出氢管道传输。 The second gas gathering block includes a flow channel top plate and a flow channel bottom plate. A hydrogen flow channel is formed between the flow channel top plate and the flow channel bottom plate. When hydrogen is fed into the hydrogen inlet pipe, the hydrogen gas passes through the hydrogen in the second gas gathering block. The flow channel is then transferred to the first gas gathering block through the joint to be transferred from the hydrogen outlet pipeline.
所述加热器贴设在流道底板的底部， 所述温度传感器通过螺钉固定在流道 顶板的侧面上。 The heater is attached to the bottom of the bottom plate of the flow channel, and the temperature sensor is fixed on the side of the top plate of the flow channel by screws.
所述加热器的底部设有压板， 所述压板与流道底板之间通过螺钉固定并将 加热器压紧。 The bottom of the heater is provided with a pressure plate, and the pressure plate and the flow channel bottom plate are fixed by screws and the heater is pressed tightly.
所述第一集气块与第二集气块结构相同。 The first gas gathering block has the same structure as the second gas gathering block.
一种燃料电池， 包括箱体、 箱盖、 电堆模块、 氢气循环装置、 空气气路系 统、 冷却系统、 通风部件和进氢集成岐块， 所述氢气循环装置上述中任意一项 所述氢气循环装置。 A fuel cell includes a box body, a box cover, a stack module, a hydrogen circulation device, an air gas path system, a cooling system, a ventilation component, and a hydrogen inlet manifold block. The hydrogen circulation device includes any one of the above hydrogen Circulating device.
本实用新型与现有技术相比， 具有如下效果： 1） 本实用新型燃料电池的氢气循环装置， 通过温度传感器检测氢气循环装 置的温度， 通过加热器在适当时候对氢气循环装置进行加热， 从而实现冷启动 功能； Compared with the prior art, the utility model has the following effects: 1) The hydrogen circulation device of the fuel cell of the present utility model detects the temperature of the hydrogen circulation device through a temperature sensor, and heats the hydrogen circulation device at an appropriate time through a heater, so as to realize the cold start function;
2） 本实用新型的其它优点在实施例部分展开详细描述。 2) The other advantages of the utility model are described in detail in the embodiment section.
附图说明： Description of the drawings:
图 1 是本实用新型中氢气循环装置的立体图； Figure 1 is a perspective view of the hydrogen circulation device of the present invention;
图 2 是本实用新型中氢气循环装置的局部结构示意图； Figure 2 is a partial structural diagram of the hydrogen circulation device of the present invention;
图 3是本实用新型中氢气循环装置的局部剖视图； Figure 3 is a partial cross-sectional view of the hydrogen circulation device of the present invention;
图 4是图 3中 A的局部放大图； Figure 4 is a partial enlarged view of A in Figure 3;
图 5是本实用新型中氢气循环装置的控制线路图； Figure 5 is a control circuit diagram of the hydrogen circulation device in the present utility model;
图 6是本实用新型中燃料电池的立体图； Figure 6 is a perspective view of the fuel cell in the present utility model;
图 7是本实用新型中燃料电池的立体图分解图； Figure 7 is an exploded perspective view of the fuel cell of the present invention;
图 8是本实用新型中燃料电池的局部结构示意图。 Fig. 8 is a partial structural diagram of the fuel cell of the present invention.
具体实施方式： detailed description:
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。 Hereinafter, the present utility model will be further described in detail through specific embodiments in conjunction with the drawings.
实施例一： Example one:
如图 1至图 5所示， 本实施例是一种燃料电池氢气循环装置， 包括氢气循 环泵 6 , 氢气循环泵 6安装有加热器 1B和温度传感器 2B, 通过温度传感器 2B 检测氢气循环装置的温度，通过加热器 1B在适当时候对氢气循环装置进行加热， 从而实现冷启动功能。 As shown in Figures 1 to 5, this embodiment is a fuel cell hydrogen circulation device, including a hydrogen circulation pump 6. The hydrogen circulation pump 6 is equipped with a heater 1B and a temperature sensor 2B, and the temperature sensor 2B detects the status of the hydrogen circulation device. Temperature, the hydrogen circulation device is heated by the heater 1B at an appropriate time, so as to realize the cold start function.
所述加热器 1B为电加热板， 通过电加热板在适当时候对氢气循环装置进行 加热， 从而实现冷启动功能。 The heater 1B is an electric heating plate, and the hydrogen circulation device is heated by the electric heating plate at an appropriate time, so as to realize the cold start function.
所述加热器 1B和温度传感器 2B分别与燃料电池控制器 3B连接， 温度传感 器 2B感测氢气循环泵 6的温度， 当感测温度低于设定值时， 燃料电池控制器 3B 控制加热器 1B工作， 当感测温度高于设定值时， 燃料电池控制器 3B控制加热 器 1B停止工作， 由燃料电池控制器 3B控制加热， 控制快速简单。 氢气循环泵 6包括第一隔膜泵 61、 第一安装板 62、 第一集气块 63、 电机 64、 第二隔膜泵 65、 第二安装板 66、 第二集气块 67、 接头 68、 进氢管道 69和 出氢管道 670 , 第一安装板 62的底部安装第一集气块 63 , 第一安装板 62的顶 部安装第一隔膜泵 61 , 第二安装板 66的底部安装第二集气块 67 , 第二安装板 66的顶部安装第二隔膜泵 65 , 第一集气块 63与第二集气块 67之间用接头 68 连接， 第一隔膜泵 61与第二隔膜泵 65之间安装电机 64 , 电机 64驱动第一隔膜 泵 61和第二隔膜泵 65 , 第二集气块 67—侧连接进氢管道 69 , 第一集气块 63 的一侧连接出氢管道 670 , 加热器 1B安装在第二集气块 67或者 /和第一集气块 63上， 它结构紧凑， 布局合理， 安装方便， 加热器 1B的加热效果更有效。 The heater 1B and the temperature sensor 2B are respectively connected to the fuel cell controller 3B. The temperature sensor 2B senses the temperature of the hydrogen circulation pump 6. When the sensed temperature is lower than the set value, the fuel cell controller 3B controls the heater 1B When the sensed temperature is higher than the set value, the fuel cell controller 3B controls the heater 1B to stop working, and the fuel cell controller 3B controls heating. The control is fast and simple. The hydrogen circulation pump 6 includes a first diaphragm pump 61, a first mounting plate 62, a first gas gathering block 63, a motor 64, a second diaphragm pump 65, a second mounting plate 66, a second gas gathering block 67, a joint 68, and an inlet The hydrogen pipe 69 and the hydrogen outlet pipe 670, the bottom of the first mounting plate 62 is equipped with a first gas collecting block 63, the top of the first mounting plate 62 is equipped with a first diaphragm pump 61, and the bottom of the second mounting plate 66 is equipped with a second gas collecting block Block 67, the second diaphragm pump 65 is installed on the top of the second mounting plate 66, the first gas collecting block 63 and the second gas collecting block 67 are connected by a joint 68, and the first diaphragm pump 61 and the second diaphragm pump 65 Install the motor 64, the motor 64 drives the first diaphragm pump 61 and the second diaphragm pump 65, the second gas collecting block 67 is connected to the hydrogen inlet pipe 69 on one side, and the first gas collecting block 63 is connected to the hydrogen outlet pipe 670 on one side and the heater The 1B is installed on the second gas gathering block 67 or/and the first gas gathering block 63. It has a compact structure, reasonable layout, convenient installation, and a more effective heating effect of the heater 1B.
加热器 1B贴装在安装在第二集气块 67或者 /和第一集气块 63上的底面上; 所述温度传感器 2B为线耳式温度传感器， 线耳式温度传感器通过螺钉固定在第 二集气块 67的侧面上， 安装方便， 结构简单。 The heater 1B is mounted on the bottom surface installed on the second air collecting block 67 or/and the first air collecting block 63; the temperature sensor 2B is a wire ear temperature sensor, and the wire ear temperature sensor is fixed on the first On the side of the second gas gathering block 67, the installation is convenient and the structure is simple.
所述第二集气块 67包括流道顶板 41B和流道底板 42B, 所述流道顶板 41B 和流道底板 42B之间形成氢气流道 43B, 当进氢管道 69输进氢气时， 氢气经过 第二集气块 67的氢气流道 43B再通过接头 68传送至第一集气块 63里从出氢管 道 670传输。 The second gas gathering block 67 includes a flow channel top plate 41B and a flow channel bottom plate 42B. A hydrogen flow channel 43B is formed between the flow channel top plate 41B and the flow channel bottom plate 42B. When hydrogen is fed into the hydrogen inlet pipe 69, the hydrogen passes through The hydrogen gas flow channel 43B of the second gas gathering block 67 is transferred to the first gas gathering block 63 through the joint 68 and then transmitted from the hydrogen outlet pipe 670.
所述加热器 1B贴设在流道底板 42B的底部， 所述温度传感器 2B通过螺钉 固定在流道顶板 41 B的侧面上。 The heater 1B is attached to the bottom of the runner bottom plate 42B, and the temperature sensor 2B is fixed on the side of the runner top plate 41B by screws.
所述加热器 1B的底部设有压板 11B, 所述压板 11B与流道底板 42B之间通 过螺钉固定并将加热器 1B压紧， 防止加热器松脱， 导致燃料电池不能实现冷启 动功能。 The bottom of the heater 1B is provided with a pressure plate 11B, and the pressure plate 11B and the flow channel bottom plate 42B are fixed by screws and the heater 1B is pressed tightly to prevent the heater from loosening, and the fuel cell cannot realize the cold start function.
所述第一集气块 63与第二集气块 67结构相同。 实施例二： The first gas gathering block 63 and the second gas gathering block 67 have the same structure. Embodiment two:
如图 6至图 8所示， 一种燃料电池， 包括箱体 1、 箱盖 11、 电堆模块 2、 氢 气循环装置 6A、 空气气路系统 4、 冷却系统 5、 通风部件 7和进氢集成岐块 8 , 所述氢气循环装置为上述实施例一中任意一项所述氢气循环装置。 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。 As shown in Figures 6 to 8, a fuel cell includes a box body 1, a box cover 11, a stack module 2, a hydrogen circulation device 6A, an air path system 4, a cooling system 5, a ventilation component 7 and a hydrogen inlet integrated Qi block 8, The hydrogen circulation device is the hydrogen circulation device described in any one of the foregoing embodiment 1. The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are all The equivalent replacement methods are all included in the protection scope of the present invention.

Claims

权利要求 Rights request
1、 一种燃料电池氢气循环装置， 包括氢气循环泵 （6）, 其特征在于： 氢气 循环泵 （ 6） 安装有加热器 （ 1B） 和温度传感器 （ ）， 所述加热器 （ 1B） 和温 度传感器 （2B） 分别与燃料电池控制器 （ 3B） 连接， 温度传感器 （2B） 感测氢 气循环泵 （6） 的温度， 当感测温度低于设定值时， 燃料电池控制器 （ 3B）控制 加热器 （1B） 工作， 当感测温度高于设定值时， 燃料电池控制器 （ 3B）控制加 热器 （ 1B）停止工作。 1. A fuel cell hydrogen circulation device, comprising a hydrogen circulation pump (6), characterized in that: the hydrogen circulation pump (6) is equipped with a heater (1B) and a temperature sensor (), the heater (1B) and the temperature The sensors (2B) are respectively connected to the fuel cell controller (3B), and the temperature sensor (2B) senses the temperature of the hydrogen circulation pump (6). When the sensed temperature is lower than the set value, the fuel cell controller (3B) controls The heater (1B) works. When the sensed temperature is higher than the set value, the fuel cell controller (3B) controls the heater (1B) to stop working.
2、 根据权利要求 1所述的一种燃料电池氢气循环装置， 其特征在于： 所述 加热器 （1B） 为电加热板。 2. A fuel cell hydrogen circulation device according to claim 1, characterized in that: the heater (1B) is an electric heating plate.
3、 根据权利要求 1或 2所述的一种燃料电池氢气循环装置， 其特征在于： 氢气循环泵 （ 6） 包括第一隔膜泵 （ 61）、 第一安装板（ 62）、 第一集气块（ 63）、 电机（ 64）、 第二隔膜泵（ 65）、 第二安装板（ 66）、 第二集气块（ 67）、 接头（ 68）、 进氢管道（69） 和出氢管道（670）, 第一安装板（62） 的底部安装第一集气块 3. A fuel cell hydrogen circulation device according to claim 1 or 2, characterized in that: the hydrogen circulation pump (6) comprises a first diaphragm pump (61), a first mounting plate (62), and a first gas collector Block (63), motor (64), second diaphragm pump (65), second mounting plate (66), second gas collecting block (67), connector (68), hydrogen inlet pipe (69) and hydrogen outlet pipe (670), install the first gas block at the bottom of the first mounting plate (62)
（63）, 第一安装板（ 62） 的顶部安装第一隔膜泵 （ 61）, 第二安装板 （ 66） 的 底部安装第二集气块 （ 67）, 第二安装板（ 66） 的顶部安装第二隔膜泵 （ 65）, 第一集气块（63）与 第二集气块（67）之间用接头（68）连接， 第一隔膜泵（61） 与第二隔膜泵 （ 65）之间安装电机（ M）, 电机（ M） 驱动第一隔膜泵 （ 61） 和 第二隔膜泵（ 65）, 第二集气块（ 67）—侧连接进氢管道（ 69）, 第一集气块（ 63） 的一侧连接出氢管道（ 670）, 加热器 （ 1B） 安装在第二集气块（67） 或者 /和第 一集气块 （63） 上。 (63), the top of the first mounting plate (62) is installed with the first diaphragm pump (61), the bottom of the second mounting plate (66) is installed with the second gas block (67), the top of the second mounting plate (66) Install the second diaphragm pump (65), connect the first gas collecting block (63) and the second gas collecting block (67) with a joint (68), the first diaphragm pump (61) and the second diaphragm pump ( 65 ) mounting the motor (M) between the motor (M) driving the first diaphragm pump (61) and a second diaphragm (65), a second current gas block (67) - into a hydrogen-side connecting conduit (69), a first One side of the gas gathering block (63) is connected to the hydrogen outlet pipe (670), and the heater (1B) is installed on the second gas gathering block (67) or/and the first gas gathering block (63).
4、 根据权利要求 3所述的一种燃料电池氢气循环装置， 其特征在于： 加热 器（ 1B）贴装在安装在第二集气块（ 67）或者 /和第一集气块（ 63）上的底面上； 所述温度传感器 （2B） 为线耳式温度传感器， 线耳式温度传感器通过螺钉固定 在第二集气块 （67） 的侧面上。 4. A fuel cell hydrogen circulation device according to claim 3, characterized in that: the heater (1B) is mounted on the second gas gathering block (67) or/and the first gas gathering block (63) The temperature sensor (2B) is a wire ear temperature sensor, and the wire ear temperature sensor is fixed on the side surface of the second gas gathering block (67) by screws.
5、 根据权利要求 4所述的一种燃料电池氢气循环装置， 其特征在于： 所述 第二集气块（ 67）包括流道顶板（ 41B）和流道底板（ 42B）, 所述流道顶板（ 41B） 和流道底板（42B）之间形成氢气流道（43B）, 当进氢管道 （69） 输进氢气时， 氢气经过第二集气块 （67） 的氢气流道（43B）再通过接头 （68）传送至第一集 气块 （63） 里从出氢管道（ 670）传输。 5. A fuel cell hydrogen circulation device according to claim 4, characterized in that: the second gas gathering block (67) comprises a flow channel top plate (41B) and a flow channel bottom plate (42B), and the flow channel Top plate (41B) A hydrogen flow channel (43B) is formed between the bottom plate (42B) and the flow channel bottom plate (42B). When hydrogen is fed into the hydrogen inlet pipe (69), the hydrogen passes through the hydrogen flow channel (43B) of the second gas collecting block (67) and then through the joint ( 68) Transfer to the first gas gathering block (63) and transfer from the hydrogen outlet pipe (670).
6、 根据权利要求 5所述的一种燃料电池氢气循环装置， 其特征在于：所述 加热器 （1B） 贴设在流道底板（42B） 的底部， 所述温度传感器 （2B） 通过螺钉 固定在流道顶板（ 41B） 的侧面上。 6. A fuel cell hydrogen circulation device according to claim 5, characterized in that: the heater (1B) is attached to the bottom of the flow channel bottom plate (42B), and the temperature sensor (2B) is fixed by screws On the side of the runner top plate (41B).
7、 根据权利要求 6所述的一种燃料电池氢气循环装置， 其特征在于：所述 加热器 （1B） 的底部设有压板 （11B）, 所述压板（ 11B） 与流道底板（42B）之 间通过螺钉固定并将加热器 （ 1B）压紧。 7. A fuel cell hydrogen circulation device according to claim 6, characterized in that: the bottom of the heater (1B) is provided with a pressure plate (11B), the pressure plate (11B) and the flow channel bottom plate (42B) Fix it with screws and compress the heater (1B).
8、 根据权利要求 7所述的一种燃料电池氢气循环装置， 其特征在于：所述 第一集气块 （63） 与第二集气块 （67） 结构相同。 8. A fuel cell hydrogen circulation device according to claim 7, characterized in that: the first gas gathering block (63) and the second gas gathering block (67) have the same structure.
9、 一种燃料电池， 包括箱体（1）、 箱盖（11）、 电堆模块（2）、 氢气循环装置 （6A）、 空气气路系统（4）、 冷却系统（5）、 通风部件⑺和进氢集成岐块（8） , 其 特征在于： 所述氢气循环装置为权利要求 1至权利要求 8中任意一项所述氢气 循环装置。 9. A fuel cell, including a box body (1), a box cover (11), a stack module (2), a hydrogen circulation device (6A), an air path system (4), a cooling system (5), and ventilation components ⑺ and the hydrogen inlet integrated manifold block (8), characterized in that: the hydrogen circulation device is the hydrogen circulation device according to any one of claims 1 to 8.
PCT/CN2019/123955 2019-02-28 2019-12-09 Hydrogen circulation device for fuel cell and fuel cell to which same is applied WO2020173168A1 (en)

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CN201920255680.XU CN209544522U (en) 2019-02-28 2019-02-28 A kind of fuel cell hydrogen circulator and its fuel cell of application
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