Portable detachable hydrogen fuel cell system teaching experiment device

Abstract

The invention provides a portable detachable hydrogen fuel cell system teaching experiment device. The portable detachable hydrogen fuel cell system teaching experiment device is characterized by comprising a detachable fuel cell main body, a hydrogen supply module, an oxygen supply module and a load module, wherein the hydrogen supply module is butted with the fuel cell main body and supplies hydrogen to the fuel cell main body; the oxygen supply module is butted with the fuel cell main body and supplies oxygen to the fuel cell main body; the load module is butted with the fuel cell main body, and the output resistance of the load module is adjustable. The device is convenient to disassemble and assemble and is portable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fuel cell teaching experiment equipment, in particular to a portable disassembled hydrogen fuel cell system teaching experiment device. BACKGROUND

[0002] As a clean and efficient energy conversion device, the principle and application of hydrogen fuel cell have been paid more and more attention, and have become an important teaching content in the field of education. At present, the hydrogen fuel cell teaching experiment device on the market has some shortcomings. Either the structure is complex, it is not convenient for students to disassemble and assemble, and it is difficult for students to intuitively understand the structure and working principle of each component; or the volume is large, and the portability is poor, which is not conducive to flexible use in different teaching scenes. Therefore, it has important practical significance to develop a hydrogen fuel cell system teaching experiment device which is simple in structure, easy to disassemble and assemble, and portable. SUMMARY

[0003] The present application aims to solve the problem of the existing hydrogen fuel cell teaching experiment device which is not convenient to disassemble and assemble and has poor portability, and provides a portable disassembled hydrogen fuel cell system teaching experiment device.

[0004] The portable disassembled hydrogen fuel cell system teaching experiment device provided by the present application is characterized by comprising a detachable fuel cell main body, a hydrogen supply module, an oxygen supply module and a load module.

[0005] The hydrogen supply module is connected to the fuel cell main body and supplies hydrogen to the fuel cell main body.

[0006] The oxygen supply module is connected to the fuel cell main body and supplies oxygen to the fuel cell main body.

[0007] The load module is connected to the fuel cell main body, and the output resistance of the load module can be adjusted.

[0008] Further, the portable disassembled hydrogen fuel cell system teaching experiment device provided by the present application is characterized by:

[0009] The fuel cell main body comprises an anode plate and a cathode plate.

[0010] The anode plate and the cathode plate are respectively arranged at the two ends of the fuel cell main body.

[0011] The hydrogen supply module is detachably connected to the anode plate through an adapter component.

[0012] The oxygen supply module is detachably connected to the cathode plate through an adapter component.

[0013] Further, the portable disassembled hydrogen fuel cell system teaching experiment device provided by the present application is characterized by:

[0014] The fuel cell body further comprises a proton exchange membrane.

[0015] The proton exchange membrane is arranged between the anode plate and the cathode plate.

[0016] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0017] The anode plate and the cathode plate are both provided with a gas flow channel.

[0018] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0019] The side of the proton exchange membrane is coated with an electrode catalyst layer.

[0020] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0021] The hydrogen supply module further comprises a hydrogen flow control valve.

[0022] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0023] The oxygen supply module further comprises an oxygen flow control valve.

[0024] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0025] At least one of a hydrogen concentration sensor, an oxygen concentration sensor, a temperature sensor and a humidity sensor is further installed.

[0026] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0027] The load module comprises a resistance box, a light emitting diode, an ammeter and a voltmeter.

[0028] The resistance box, the light emitting diode and the ammeter are connected in series.

[0029] The voltmeter is connected in parallel with the series circuit formed by the resistance box, the light emitting diode and the ammeter.

[0030] Further, the application provides a portable disassembled hydrogen fuel cell system teaching experiment device, and the device is characterized in that:

[0031] The device further comprises a control module.

[0032] The control module is electrically connected with various electronic components in the fuel cell main body, the hydrogen supply module, the oxygen supply module and the load module, and is used for collecting data and issuing work instructions.

[0033] Effects and advantages of the present application:

[0034] The detachable connection mode, such as a quick connector, a threaded connection, a buckle structure and the like, is adopted between the modules, so that students can disassemble and assemble the modules, can more intuitively understand the structure and connection relationship of the components of the hydrogen fuel cell system, and can deepen the understanding of the working principle.

[0035] The modules are miniaturized and are provided with a special portable box body, so that the portable box body is convenient to carry and can be used in different teaching scenes such as classrooms, laboratories and outdoors, thereby improving the flexibility of teaching.

[0036] The load module is provided with a resistance box, a light emitting diode and the like, can simulate different load conditions, can intuitively display the power generation effect of the fuel cell, and can enhance the learning interest of students. DETAILED DESCRIPTION

[0037] Fig. 1 The embodiment relates to a structure schematic diagram of a portable disassembled hydrogen fuel cell system teaching experiment device.

[0038] Fig. 2 The embodiment relates to an installation structure schematic diagram of a fuel cell main body and a hydrogen supply module and an oxygen supply module of a portable disassembled hydrogen fuel cell system teaching experiment device.

[0039] Fig. 3 The embodiment relates to a whole structure schematic diagram of a portable disassembled hydrogen fuel cell system teaching experiment device.

[0040] In the figure, 12 is a fuel cell main body, 22 is an anode plate, 23 is a cathode plate, 24 is a proton exchange membrane, 25 is an electrode catalyst layer, 19 is a vertical guide plate structure, 1 is a hydrogen storage tank, 26 is a hydrogen flow control valve, 10 is a hydrogen conveying pipeline, 4 is an oxygen storage tank, 27 is an oxygen flow control valve, 11 is an oxygen conveying pipeline, 2 is a resistance box, 5 is a light emitting diode, 6 is an ammeter, 7 is a voltmeter, 3 is a control module, 8 is a hydrogen concentration sensor, 9 is an oxygen concentration sensor, 33 is a temperature sensor, 34 is a humidity sensor, 53 is a display screen, 14 is a portable box body, 21 is a gas storage tank fixing groove, 28 is a resistance adjusting knob, 13 is a fixing screw hole, 29 is a handle, 30 is a lock buckle, 32 is a fuel cell plate buckle, and 20 is a screw hole of a fuel cell module cover plate. DETAILED DESCRIPTION

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] like Figs. 1-3 As shown, this embodiment provides a portable, disassembled hydrogen fuel cell system teaching experimental device, including a fuel cell body 12, a hydrogen supply module, an oxygen supply module, a load module 31, a control module 3, and a portable case 14.

[0043] The portable case 14 is made of ABS plastic and is used to hold various functional components. Internally, it features grooves and fixing devices that match each module. Each module can be embedded in the grooves and secured by the fixing devices to prevent shaking and damage during transport. Its shape resembles a handbag, backpack, or rolling suitcase for easy carrying and movement. A latch 30 is installed at the opening to lock the case. A handle 29 is installed on the top or side for convenient movement.

[0044] The fuel cell body 12 is a proton exchange membrane fuel cell, including an anode plate 22, a cathode plate 23, a proton exchange membrane 24, and an electrode catalyst layer 25. Considering the positioning of the fuel cell body 12, this can be achieved by installing a groove or limiting component (such as fixing screw holes 13 and fixing bolts) at the corresponding position on the portable housing 14.

[0045] Both the anode plate 22 and the cathode plate 23 are provided with gas flow channels, and are detachably connected to the fuel cell body 12 by the fuel cell plate buckle 32, which makes it convenient for students to disassemble and observe the internal structure.

[0046] The proton exchange membrane 24 is clamped between the anode plate 22 and the cathode plate 23 and can be fixed by traditional methods such as plugging and snapping. The proton exchange membrane 24 is coated with electrode catalyst layers 25 on the two sides corresponding to the anode plate and the cathode plate, respectively.

[0047] The hydrogen supply module includes a hydrogen storage tank 1, a hydrogen flow control valve 26, and a hydrogen delivery pipeline 10.

[0048] The hydrogen storage tank 1 is a small high-pressure storage tank with a capacity of 5-10L (an 8L capacity bottle is selected in this embodiment), which is easy to carry. In the portable case 14, a storage tank fixing groove 21 is provided at the position of the hydrogen storage tank 1, so that the installation can be quickly positioned and completed during the installation process, and ensures that it will not be displaced during use.

[0049] The hydrogen flow control valve 26 is screwed at the outlet of the hydrogen storage tank 1 and can accurately control the flow of hydrogen. The control method is that the flow valve can be controlled by the control module or manually screwed.

[0050] One end of the hydrogen delivery pipeline 10 is connected with the hydrogen flow control valve 26, and the other end is connected with the gas inlet of the gas flow channel of the anode plate 22 of the fuel cell body 12 through a quick connector.

[0051] The oxygen supply module includes an oxygen storage tank 4, an oxygen flow control valve 27, and an oxygen delivery pipeline 11.

[0052] The oxygen storage tank 4 also adopts a small high-pressure gas storage tank, and the capacity is matched with the hydrogen storage tank, which is 5-10L (8L capacity bottle is selected in this embodiment), which is convenient for carrying. In the portable box body 14, the position of the oxygen storage tank 4 is also provided with a gas storage tank fixing groove, so that the installation can be quickly positioned and completed during the installation process, and displacement during use is ensured.

[0053] The oxygen flow control valve 27 is screwed at the outlet of the oxygen storage tank 4 and can accurately control the flow of oxygen. The control method is that the flow valve can be controlled by the control module or manually screwed.

[0054] One end of the oxygen delivery pipeline 11 is connected with the oxygen flow control valve 27, and the other end is connected with the gas inlet of the gas flow channel of the cathode plate 23 of the fuel cell body 12 through a quick connector.

[0055] The load module 31 includes a resistance box 2, a light-emitting diode 5, an ammeter 6, and a voltmeter 7, which are connected with the fuel cell body 12 through wires with plug sockets. Specifically, the load module is connected with the positive and negative electrodes 16 and 17 of the fuel cell body through wires, and the wires are provided with plugs and sockets at both ends, which are convenient for connection and disassembly.

[0056] The resistance box 2 can adjust the resistance value to simulate different load conditions.

[0057] The light-emitting diode 5 is used to directly show the power generation effect of the fuel cell.

[0058] The ammeter 6 and the voltmeter 7 are used to measure the current and voltage in the circuit, respectively.

[0059] The above-mentioned elements can be positioned and fixed by limiting members and the like.

[0060] The microcontroller of the control module 3 adopts the STM32 series, which is connected with various sensors, controllers (such as hydrogen flow control valve, oxygen flow control valve), load module, display and other elements in the device through electricity, gas and wireless mode, so as to realize data collection and work instruction issuing (i.e., controlling the working state of each component according to the preset program). For example, after obtaining the data of each sensor, the detection data of each sensor and the working parameters of the fuel cell, such as output voltage, current, power and other various data are displayed through the LCD display screen 18.

[0061] The control module 3 is positioned and installed through the vertical guide plate 19 inside the portable box body 14.

[0062] In the test example, the sensors include hydrogen concentration sensor 8, oxygen concentration sensor 9, temperature sensor 33 and humidity sensor 34, which are respectively used to detect the hydrogen concentration, oxygen concentration, working temperature and humidity in the fuel cell system.

[0063] The disassembly steps of the device of the embodiment are as follows:

[0064] S1. Place the portable box body on a stable operation table, open the lock catch and take out each module in the box.

[0065] S2. Disconnect the wire connection between the load module and the fuel cell main body, and pull out the plug and socket on the wire.

[0066] S3. Close the flow control valve of the hydrogen supply module and the oxygen supply module, and then disconnect the hydrogen delivery pipeline and the fuel cell main body anode plate and the oxygen delivery pipeline and the fuel cell main body cathode plate through the quick connector respectively.

[0067] S4. Unscrew the connection between the flow control valve of the hydrogen supply module and the oxygen supply module and the storage tank, and separate the hydrogen storage tank, the oxygen storage tank and the flow control valve.

[0068] S5. Unfasten the buckle structure 32 on the anode plate and the cathode plate of the fuel cell main body, and separate the anode plate and the cathode plate, so that the proton exchange membrane and the electrode catalyst layer can be observed.

[0069] S6. Place each component on the operation table in a certain order to complete the disassembly process.

[0070] The assembly steps of the device of the embodiment are as follows:

[0071] S1. Connect the anode plate and the cathode plate of the fuel cell main body through the buckle structure, ensure the correct position of the proton exchange membrane and the electrode catalyst layer, and complete the closure of the fuel cell main body through the screw hole 20 of the fuel cell module cover plate.

[0072] S2. Connect the hydrogen storage tank of the hydrogen supply module to the flow control valve, and then connect the hydrogen delivery pipe to the gas inlet of the anode plate of the fuel cell body through the quick connector; similarly, connect the oxygen storage tank of the oxygen supply module to the flow control valve, and then connect the oxygen delivery pipe to the gas inlet of the cathode plate of the fuel cell body through the quick connector.

[0073] S3. Connect the load module to the fuel cell body, insert the plug of the wire into the positive and negative electrode interface of the fuel cell body, and connect the socket at the other end to the load module.

[0074] S4. Connect the control module to each sensor, the hydrogen flow control valve, the oxygen flow control valve, and the load module through wires, and ensure that the circuit connection is correct.

[0075] S5. After checking that each component is correctly connected, embed each module in the recess of the portable box body according to the original position, and fix it through the fixing device. Close the box body and lock the lock catch to complete the assembly process.

[0076] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements, and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A portable, disassembled hydrogen fuel cell system teaching experimental device, characterized in that: The portable disassembling hydrogen fuel cell system teaching experimental device comprises a fuel cell main body, a hydrogen supply module, an oxygen supply module and a load module. The hydrogen supply module is connected to the fuel cell main body to supply hydrogen to the fuel cell main body. The oxygen supply module is connected to the fuel cell main body to supply oxygen to the fuel cell main body. The load module is connected to the fuel cell main body, and the output resistance of the load module can be controlled.

2. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 1, wherein the fuel cell main body comprises an anode plate and a cathode plate. The anode plate and the cathode plate are arranged at opposite ends of the fuel cell main body. The hydrogen supply module is detachably connected to the anode plate through an adapter. The oxygen supply module is detachably connected to the cathode plate through an adapter.

3. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 2, wherein the anode plate and the cathode plate are both provided with gas flow channels.

4. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 2, wherein the fuel cell main body further comprises a proton exchange membrane. The proton exchange membrane is arranged between the anode plate and the cathode plate.

5. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 4, wherein the side of the proton exchange membrane is coated with an electrode catalyst layer.

6. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 1, wherein the hydrogen supply module further comprises a hydrogen flow control valve.

7. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 1, wherein the oxygen supply module further comprises an oxygen flow control valve.

8. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 1, wherein at least one of a hydrogen concentration sensor, an oxygen concentration sensor, a temperature sensor and a humidity sensor is further installed.

9. The portable disassembling hydrogen fuel cell system teaching experimental device according to claim 1, wherein the load module comprises a resistance box, a light emitting diode, an ammeter and a voltmeter. The resistance box, the light emitting diode and the ammeter are connected in series. The voltmeter is connected in parallel with the series circuit formed by the resistance box, the light emitting diode and the ammeter.

10. The portable disassembling hydrogen fuel cell system teaching experimental device according to any one of claims 1-9, further comprising a control module. The control module is electrically connected to various electronic components of the fuel cell main body, the hydrogen supply module, the oxygen supply module and the load module to collect data and issue working instructions. ​ ​ ​ ​ ​ ​ ​ ​ ​

Images