Fuel cell hydrogen supply assembly and fuel cell anode gas supply system

Abstract

The utility model provides a kind of fuel cell hydrogen supply assembly and fuel cell anode gas supply system, it is related to the technical field of new energy battery, the fuel cell hydrogen supply assembly includes hydrogen supply first base and hydrogen supply second base;The hydrogen filter is used to filter the hydrogen entering third pipeline;One end of the second pipeline is provided with hydrogen inlet valve, the other end is provided with proportional valve, and hydrogen outlet is provided on the proportional valve seat of the proportional valve;The hydrogen inlet valve is used to control the on-off of second pipeline, and the proportional valve is used to control the on-off of hydrogen outlet.The utility model provides a kind of fuel cell hydrogen supply assembly's hydrogen supply first base and hydrogen supply second base connection, first pressure sensor, hydrogen filter, proportional valve etc. are integrated on hydrogen supply first base and hydrogen supply second base, reduce mounting hole piece, improve system integration, reduce design complexity, improve system stability and reduce hydrogen leakage point.

Description

Technical Field

[0001] This utility model relates to the technical field of new energy batteries, and in particular to a hydrogen supply component for a fuel cell and a gas supply system for the anode of a fuel cell. Background Technology

[0002] Existing fuel cell anode gas supply systems consist of a high-pressure hydrogen storage system, a pressure reducing valve, a new hydrogen heater, a hydrogen filter, a hydrogen pressure sensor, a hydrogen inlet valve, a hydrogen injector (or proportional valve), a low-pressure hydrogen sensor, stack inlet pressure and temperature sensors, stack outlet pressure and temperature sensors, a water distributor, a drain valve, and an exhaust valve.

[0003] In particular, hydrogen filters, hydrogen pressure sensors, hydrogen inlet valves, hydrogen injection (or proportional valves), and low-pressure hydrogen sensors in hydrogen supply modules are usually arranged in a scattered manner. Each component has an independent installation structure and is then connected by a mechanical structure, which leads to problems such as complex installation, large space occupation, low system integration, high risk of hydrogen leakage, and high system cost. Utility Model Content

[0004] The purpose of this invention is to provide a hydrogen supply component for a fuel cell and a gas supply system for the anode of a fuel cell, so as to alleviate the technical problems of existing hydrogen supply modules being scattered, with each component having an independent installation structure and then being connected by a mechanical structure, resulting in complex installation and large space occupation.

[0005] This utility model provides a fuel cell hydrogen supply assembly, including a first hydrogen supply base and a second hydrogen supply base; the first hydrogen supply base and the second hydrogen supply base are connected.

[0006] A first pipeline is provided inside the first hydrogen supply base, and a second pipeline is provided inside the second hydrogen supply base, with the first pipeline and the second pipeline connected together.

[0007] The hydrogen supply base is provided with a third pipeline, and the third pipeline is connected to the first pipeline;

[0008] One end of the third pipeline is connected to the first pressure sensor, and the other end is connected to a hydrogen filter; the hydrogen filter is used to filter the hydrogen entering the third pipeline.

[0009] The second pipeline is equipped with a hydrogen inlet valve at one end and a proportional valve at the other end, and a hydrogen outlet is provided on the proportional valve seat of the proportional valve.

[0010] The hydrogen inlet valve is used to control the opening and closing of the second pipeline, and the proportional valve is used to control the opening and closing of the hydrogen outlet.

[0011] In an optional embodiment, the first hydrogen supply base and the second hydrogen supply base are integrally formed;

[0012] Alternatively, the first hydrogen supply base and the second hydrogen supply base are fixed together by bolts.

[0013] In an optional embodiment, a pagoda connector is provided on the proportional valve seat, and the pagoda connector is located at the hydrogen outlet.

[0014] The pagoda connector and the proportional valve seat are fixed together by bolts; or, the pagoda connector and the proportional valve seat are integrally formed.

[0015] In an optional embodiment, a sensor mounting base is provided on the pagoda connector.

[0016] In an optional embodiment, a temperature sensor is provided on the second hydrogen supply base, the temperature sensor being used to measure the temperature of the hydrogen gas in the second pipeline.

[0017] In an optional embodiment, the second hydrogen supply base is provided with multiple proportional valves.

[0018] In an optional embodiment, a first connector is provided on the second hydrogen supply base, and the first connector is detachably connected to the second hydrogen supply base.

[0019] In an optional embodiment, a second connector is provided on the proportional valve seat, and the second connector is detachably connected to the proportional valve seat.

[0020] In an optional embodiment, the hydrogen filter is connected to a third pipeline via a ferrule.

[0021] This utility model provides a hydrogen supply assembly for a fuel cell where a first hydrogen supply base and a second hydrogen supply base are connected. A first pressure sensor, a hydrogen filter, a proportional valve, etc. are integrated on the first and second hydrogen supply bases, reducing the number of mounting holes, improving system integration, reducing design complexity, improving system stability, and reducing hydrogen leakage points.

[0022] This invention provides a fuel cell anode gas supply system, including the fuel cell hydrogen supply component described in any of the foregoing embodiments.

[0023] Compared with the prior art, the fuel cell anode gas supply system provided by this utility model has the fuel cell hydrogen supply component provided by this utility model, and thus has all the beneficial effects of the fuel cell hydrogen supply component provided by this utility model. Attached Figure Description

[0024] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the fuel cell hydrogen supply assembly provided in an embodiment of the present invention;

[0026] Figure 2 for Figure 1 A schematic diagram of the hydrogen supply assembly for the fuel cell from another angle is shown.

[0027] Figure 3 for Figure 2 The diagram shows a structural schematic of the AA section of the fuel cell hydrogen supply assembly.

[0028] Icons: 100 - First hydrogen supply base; 200 - Second hydrogen supply base; 300 - Proportional valve seat; 400 - Proportional valve; 500 - Hydrogen filter; 600 - First pressure sensor; 700 - Hydrogen inlet valve; 800 - First connector; 900 - Second connector; 110 - Pyramid connector; 120 - First pipeline; 130 - Second pipeline; 140 - Third pipeline. Detailed Implementation

[0029] The terms “first,” “second,” “third,” etc., are used only for distinguishing descriptions and do not indicate a sequence number, nor should they be interpreted as indicating or implying relative importance.

[0030] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of this application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this application is usually placed in. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0032] In the description of this application, unless otherwise expressly specified and limited, the terms “set up,” “install,” “connect,” and “link” shall be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; as a mechanical connection or an electrical connection; as a direct connection or an indirect connection through an intermediate medium; or as a connection within two components.

[0033] The technical solution of this application will now be clearly and completely described with reference to the accompanying drawings.

[0034] Example

[0035] Reference Figures 1-3 This utility model provides a hydrogen supply assembly for a fuel cell, including a first hydrogen supply base 100 and a second hydrogen supply base 200; the first hydrogen supply base 100 and the second hydrogen supply base 200 are connected.

[0036] A first pipeline 120 is provided in the first hydrogen supply base 100, and a second pipeline 130 is provided in the second hydrogen supply base 200, and the first pipeline 120 and the second pipeline 130 are connected.

[0037] The hydrogen supply first base 100 is provided with a third pipeline 140, and the third pipeline 140 is connected to the first pipeline 120.

[0038] One end of the third pipeline 140 is connected to the first pressure sensor 600, and the other end is connected to the hydrogen filter 500; the hydrogen filter 500 is used to filter the hydrogen entering the third pipeline 140.

[0039] One end of the second pipeline 130 is provided with a hydrogen inlet valve 700, and the other end is provided with a proportional valve 400, and a hydrogen outlet is provided on the proportional valve seat 300 of the proportional valve 400.

[0040] The hydrogen inlet valve 700 is used to control the opening and closing of the second pipeline 130, and the proportional valve 400 is used to control the opening and closing of the hydrogen outlet.

[0041] In some embodiments, the first hydrogen supply base 100 and the second hydrogen supply base 200 are connected, such that the first pipe 120 on the first hydrogen supply base 100 is connected to the second pipe 130 on the second hydrogen supply base 200, that is, after hydrogen enters the first pipe 120, it can flow into the second pipe 130.

[0042] A third pipeline 140 is provided inside the first hydrogen supply base 100. A first pressure sensor 600 is provided at one end of the third pipeline 140 to measure the pressure inside the third pipeline 140. A hydrogen filter 500 is provided at the other end of the third pipeline 140 to connect to the high-pressure hydrogen storage system. Hydrogen in the high-pressure hydrogen storage system enters the third pipeline 140 after passing through the hydrogen filter 500. The hydrogen filter 500 can remove impurities and particulate matter from the hydrogen to prevent blockage of the internal flow channels of the fuel cell stack.

[0043] The third pipeline 140 is perpendicular to the first pipeline 120 and is connected to the first pipeline 120. Hydrogen gas entering from the third pipeline 140 enters the first pipeline 120. A hydrogen inlet valve 700 is installed in the second pipeline 130. The hydrogen inlet valve 700 can cut off the second pipeline 130. Hydrogen gas enters the second pipeline 130 from the first pipeline 120 and then enters the proportional valve 400 through the second pipeline 130. A hydrogen outlet is provided on the proportional valve 400. When both the hydrogen inlet valve 700 and the proportional valve 400 are in the open state, hydrogen gas is sprayed out from the hydrogen outlet.

[0044] The hydrogen supply first base 100 and hydrogen supply second base 200 of the fuel cell hydrogen supply assembly are connected, and the first pressure sensor 600, hydrogen filter 500, proportional valve 400 and other components are integrated on the hydrogen supply first base 100 and hydrogen supply second base 200. This reduces the number of mounting holes, improves system integration, reduces design complexity, improves system stability and reduces hydrogen leakage points.

[0045] In an optional embodiment, the first hydrogen supply base 100 and the second hydrogen supply base 200 are integrally formed;

[0046] Alternatively, the first hydrogen supply base 100 and the second hydrogen supply base 200 may be fixed together by bolts.

[0047] In some embodiments, the first hydrogen supply base 100 and the second hydrogen supply base 200 can be integrally formed, or a sealing ring can be provided between the first hydrogen supply base 100 and the second hydrogen supply base 200 and bolts can be used to connect the first hydrogen supply base 100 and the second hydrogen supply base 200 together, so that the first pipeline 120 and the second pipeline 130 are connected and the sealing ring is provided to ensure the sealing of the connection between the first pipeline 120 and the second pipeline 130, so as to prevent hydrogen leakage.

[0048] In an optional embodiment, a pagoda connector 110 is provided on the proportional valve seat 300, and the pagoda connector 110 is located at the hydrogen outlet.

[0049] The pagoda connector 110 is fixed to the proportional valve seat 300 by bolts; or, the pagoda connector 110 and the proportional valve seat 300 are integrally formed.

[0050] In some embodiments, a proportional valve 400 is provided on the proportional valve seat 300, and a pagoda connector 110 is provided on the proportional valve seat 300, and the pagoda connector 110 is located at the hydrogen outlet; the hydrogen passing through the proportional valve seat 300 enters the pagoda connector 110, which facilitates the connection of the proportional valve seat 300 with other devices.

[0051] In an optional embodiment, a sensor mounting base is provided on the pagoda connector 110.

[0052] A sensor mounting base is provided on the pagoda connector 110. This sensor mounting base is used to install a low-pressure hydrogen sensor. The fuel cell control system controls the starting angle of the proportional valve 400 or the hydrogen injection opening frequency by collecting the signal from the low-pressure hydrogen sensor.

[0053] In an optional embodiment, a temperature sensor is provided on the second hydrogen supply base 200, which is used to measure the temperature of the hydrogen in the second pipeline 130.

[0054] A temperature sensor is installed on the second hydrogen supply base 200. The temperature sensor is used to measure the temperature of the hydrogen in the second pipeline 130, thereby meeting the data acquisition requirements of the anode control of the fuel cell system for temperature.

[0055] In an optional embodiment, the hydrogen supply second base 200 is provided with a plurality of proportional valves 400.

[0056] In some embodiments, the hydrogen supply second base 200 is provided with multiple proportional valves 400, which can be connected to a fuel cell system at the same time. This can meet the hydrogen demand of different fuel cell power and avoid the flow rate of a single proportional valve 400 (hydrogen injection) not meeting the requirements of a high-power fuel cell system.

[0057] Reference Figure 1 In an optional embodiment, a first connector 800 is provided on the hydrogen supply second base 200, and the first connector 800 is detachably connected to the hydrogen supply second base 200.

[0058] In an optional embodiment, a second connector 900 is provided on the proportional valve seat 300, and the second connector 900 is detachably connected to the proportional valve seat 300.

[0059] In some embodiments, a second connector 900 is provided on the proportional valve seat 300, and a first connector 800 is provided on the hydrogen supply second base 200; generally, the second connector 900 is detachably fixed to the proportional valve seat 300, and the first connector is also detachably fixed to the hydrogen supply second base 200, which facilitates the fixing of the fuel cell hydrogen supply assembly.

[0060] In an optional embodiment, the hydrogen filter 500 is connected to the third pipeline 140 via a ferrule.

[0061] The hydrogen filter 500 is connected to the third line 140 via a ferrule, and also to the high-pressure hydrogen storage system via a ferrule.

[0062] This integrated design of the fuel cell hydrogen supply assembly effectively reduces space waste between components in the system, making the system more compact and saving valuable installation space. The integrated design also reduces the number of independent components, simplifying installation, facilitating operation, and shortening the development cycle. By reducing independent components and mechanical connections, the system integration is improved, increasing system efficiency and reducing overall costs. The integrated design allows for easy adjustment to adapt to the different power requirements of fuel cell systems, providing high flexibility. Through the rational design of the hydrogen flow path, pressure sensors, and valve coordination within the module, the entire hydrogen supply system can stably and accurately control hydrogen flow and pressure, ensuring the normal operation of the fuel cell. The integrated design reduces mechanical connection points, effectively lowering the risk of hydrogen leakage and improving system safety and reliability. This fuel cell hydrogen supply assembly is suitable for fuel cell systems of various sizes, including small and medium-sized systems, and can be adapted to fuel cell systems with different power and usage requirements by adjusting design parameters.

[0063] This utility model provides a hydrogen supply assembly for a fuel cell, in which a first hydrogen supply base 100 and a second hydrogen supply base 200 are connected. A first pressure sensor 600, a hydrogen filter 500, a proportional valve 400, etc. are integrated on the first hydrogen supply base 100 and the second hydrogen supply base 200. This reduces the number of mounting holes, improves system integration, reduces design complexity, improves system stability, and reduces hydrogen leakage points.

[0064] This invention provides a fuel cell anode gas supply system, including the fuel cell hydrogen supply component described in any of the foregoing embodiments.

[0065] Compared with the prior art, the fuel cell anode gas supply system provided by this utility model has the fuel cell hydrogen supply component provided by this utility model, and thus has all the beneficial effects of the fuel cell hydrogen supply component provided by this utility model.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fuel cell hydrogen supply assembly, characterized in that, It includes a first hydrogen supply base (100) and a second hydrogen supply base (200); the first hydrogen supply base (100) and the second hydrogen supply base (200) are connected; A first pipeline (120) is provided in the first hydrogen supply base (100), and a second pipeline (130) is provided in the second hydrogen supply base (200), and the first pipeline (120) and the second pipeline (130) are connected. The hydrogen supply first base (100) is provided with a third pipeline (140), and the third pipeline (140) is connected to the first pipeline (120); One end of the third pipeline (140) is connected to the first pressure sensor (600), and the other end is connected to the hydrogen filter (500); the hydrogen filter (500) is used to filter the hydrogen entering the third pipeline (140); The second pipeline (130) is provided with a hydrogen inlet valve (700) at one end and a proportional valve (400) at the other end, and a hydrogen outlet is provided on the proportional valve seat (300) of the proportional valve (400); The hydrogen inlet valve (700) is used to control the opening and closing of the second pipeline (130), and the proportional valve (400) is used to control the opening and closing of the hydrogen outlet.

2. The fuel cell hydrogen supply assembly of claim 1, wherein, The first hydrogen supply base (100) and the second hydrogen supply base (200) are integrally formed; Alternatively, the first hydrogen supply base (100) and the second hydrogen supply base (200) are fixed by bolts.

3. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, The proportional valve seat (300) is provided with a pagoda connector (110), and the pagoda connector (110) is located at the hydrogen outlet; The pagoda connector (110) and the proportional valve seat (300) are fixed by bolts; or, the pagoda connector (110) and the proportional valve seat (300) are integrally formed.

4. The fuel cell hydrogen supply assembly according to claim 3, characterized in that, A sensor mounting base is provided on the pagoda connector (110).

5. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, A temperature sensor is provided on the second hydrogen supply base (200) for measuring the temperature of hydrogen in the second pipeline (130).

6. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, The hydrogen supply second base (200) is equipped with multiple proportional valves (400).

7. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, The hydrogen supply second base (200) is provided with a first connector (800), which is detachably connected to the hydrogen supply second base (200).

8. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, The proportional valve seat (300) is provided with a second connector (900), which is detachably connected to the proportional valve seat (300).

9. The fuel cell hydrogen supply assembly according to claim 1, characterized in that, The hydrogen filter (500) is connected to the third pipeline (140) via a ferrule.

10. A fuel cell anode gas supply system, characterized in that, Includes the fuel cell hydrogen supply assembly as described in any one of claims 1-9.

Images