Fuel cell test platform

Abstract

The utility model discloses a fuel cell test platform, which relates to the technical field of fuel cell test, and comprises a water supply module, a gas supply module, a hot box module and a control module, the water supply module is used for providing pure water and water vapor for a to-be-tested cell, the gas supply module is used for providing hydrogen, nitrogen, hydrogen-nitrogen mixed gas, air and oxygen for the to-be-tested cell, and the hot box module is used for controlling the control module. The hot box module is used for accommodating a to-be-tested battery and providing a reaction temperature required by the to-be-tested battery, and the control module comprises an electronic load, a controller and a power supply; according to the utility model, the fuel cells of different models can be tested through flexible combination and replacement of modular components in a gas intercommunication and electric signal intercommunication mode among the modules, meanwhile, the modules can be customized and replaced according to different test requirements, personalized configuration under different test requirements can be met, the test efficiency is improved, and the test cost is reduced. And the test cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cell testing, in particular to a fuel cell testing platform. Background Art

[0002] With the continuous progress of fuel cell technology, the test requirements for fuel cell performance evaluation are increasing day by day. Usually, a fuel cell testing platform is used to test the performance of a fuel cell. During the test, the gas supply system of the fuel cell testing platform is connected to the fuel cell through a flange hard pipe, and the electronic load in the fuel cell testing platform is electrically connected to the fuel cell for testing current, voltage, etc.

[0003] In the current market, the design of fuel cell testing platforms is generally highly customized. For fuel cells of different brands and models, separate fuel cell testing platforms need to be customized, resulting in each fuel cell testing platform being only applicable to a single type of fuel cell. In order to meet the test requirements of multiple types of fuel cells, multiple different fuel cell testing platforms have to be customized, which not only increases the complexity of equipment purchase and maintenance, but also causes a significant increase in test costs.

[0004] Obviously, how to develop a general fuel cell testing platform that can be compatible with multiple types of fuel cells and reduce test costs is an urgent problem to be solved at present. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a fuel cell testing platform to solve the problems existing in the above-mentioned prior art. Through the flexible combination and replacement of modular components, the testing of fuel cells of different models can be realized, and at the same time, the personalized configuration under different test requirements can be satisfied, improving the test efficiency and reducing the test cost.

[0006] To achieve the above purpose, the utility model provides the following scheme:

[0007] The utility model provides a fuel cell testing platform, which includes a water supply module, a gas supply module, a hot box module and a control module;

[0008] The water supply module includes a water supply tank, on which a water source interface, a water supply interface and a water vapor supply interface are arranged. A water purification mechanism and a water evaporation mechanism are arranged in the water supply tank. The water inlet of the water purification mechanism is communicated with the water source interface, and the water outlet of the water purification mechanism is communicated with the water supply interface to supply pure water to the battery under test; the water inlet of the water evaporation mechanism is communicated with the water outlet of the water purification mechanism, and the water vapor outlet of the water evaporation mechanism is communicated with the water vapor supply interface to supply water vapor to the battery under test;

[0009] The gas supply module includes a gas supply tank, on which a gas source interface group and a gas supply interface group are provided. The gas source interface group includes a hydrogen interface, a nitrogen interface, a hydrogen-nitrogen mixture interface, an air interface, and an oxygen interface. A gas supply pipe group is arranged in the gas supply tank. One end of the gas supply pipe group is communicated with the gas source interface group, and the other end is communicated with the gas supply interface group to supply gas to the battery under test. A flow regulating mechanism is arranged on the gas supply pipe group;

[0010] The hot box module includes a test box for accommodating the battery under test. A heating mechanism is arranged in the test box to make the temperature in the test box reach the reaction temperature of the battery under test. An air inlet interface group and an air outlet interface group are provided on the test box. The air inlet interface group includes a fuel air inlet interface and an air inlet interface, and the air outlet interface group includes a fuel air outlet interface and an air outlet interface. The air inlet interface group is used to communicate with the air inlet of the battery under test, and the air outlet interface group is used to communicate with the air outlet of the battery under test;

[0011] The water supply module and the hot box module can be communicated through a pure water and steam pipe group, and the gas supply module and the hot box module can be communicated through a gas pipe group;

[0012] The control module includes a control box, in which an electronic load, a controller, and a power supply are arranged. The electronic load can be connected in series with the battery under test to measure the current and voltage of the battery under test. Both the electronic load and the power supply are electrically connected to the controller.

[0013] Preferably, the fuel cell test platform further includes a heat exchange module. The heat exchange module includes a heat exchange box, on which a cold fluid inlet interface group, a cold fluid outlet interface group, a hot fluid inlet interface group, and a hot fluid outlet interface group are provided. A heat exchange mechanism is arranged in the heat exchange box. The cold fluid inlet interface group is communicated with the cold fluid channel inlet of the heat exchange mechanism, the cold fluid outlet interface group is communicated with the cold fluid channel outlet of the heat exchange mechanism, the hot fluid inlet interface group is communicated with the hot fluid channel inlet of the heat exchange mechanism, and the hot fluid outlet interface group is communicated with the hot fluid channel outlet of the heat exchange mechanism;

[0014] The gas pipe group includes a cold fluid inlet pipe group, a cold fluid outlet pipe group, a hot fluid inlet pipe group, and a hot fluid outlet pipe group. The cold fluid inlet pipe group can connect the gas supply interface group of the gas supply module to the cold fluid inlet interface group of the heat exchange module. The cold fluid outlet pipe group can connect the cold fluid outlet interface group of the heat exchange module to the inlet interface group of the hot box module. The hot fluid inlet pipe group can connect the outlet interface group of the hot box module to the hot fluid inlet interface group of the heat exchange module. One end of the hot fluid outlet pipe group is connected to the hot fluid outlet interface group of the heat exchange module, and the other end is used for exhausting gas.

[0015] Preferably, transmitters are provided in the water supply module, the gas supply module, the hot box module, and the heat exchange module. The transmitters are electrically connected to the controller, and the controller can collect and process temperature, pressure, and flow rate data in each module.

[0016] Preferably, the controller is a PLC controller.

[0017] Preferably, the transmitter includes a temperature sensor and a pressure sensor.

[0018] Preferably, the heat exchange mechanism is a plate heat exchanger; the water purification mechanism is a water purifier; the water evaporation mechanism is a steam evaporator; the heating mechanism is a high-temperature resistant stainless steel electric heater.

[0019] Preferably, booster pumps are provided on the pipeline connected to the water outlet of the water purification mechanism and on the pipeline connected to the steam outlet of the water evaporation mechanism.

[0020] Preferably, the flow rate regulating mechanism is an MFC flowmeter.

[0021] Preferably, a filter and a solenoid valve are also provided on the gas supply pipe group.

[0022] Preferably, a high-temperature resistant hose clamp is connected to each of the fuel inlet interface, the fuel outlet interface, the air inlet interface, and the air outlet interface of the hot box module by a hose, and the hose is used to connect to the corresponding fuel inlet, fuel outlet, air inlet, or air outlet on the battery under test.

[0023] The present utility model has achieved the following technical effects compared with the prior art:

[0024] The fuel cell test platform provided by the present utility model includes a water supply module, a gas supply module, a hot box module, and a control module. Among them, the water supply module is used to provide pure water and water vapor for the battery under test; the gas supply module is used to provide hydrogen, nitrogen, hydrogen-nitrogen mixture, air, and oxygen for the battery under test; the hot box module is used to accommodate the battery under test and provide the reaction temperature required by the battery under test; the control module includes an electronic load, a controller, and a power supply. The present utility model realizes the test of fuel cells of different models through the flexible combination and replacement of modular components in a way that the modules communicate with each other through gas and electrical signals. At the same time, the modules can be customized and replaced according to different test requirements to meet the personalized configuration under different test requirements, improving the test efficiency and reducing the test cost. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 Schematic diagram of the combined state of each module of the fuel cell test platform provided by the embodiment of the present utility model;

[0027] Figure 2 Schematic diagram of the module replacement state of the fuel cell test platform provided by the embodiment of the present utility model;

[0028] Figure 3 Schematic diagram of the gas supply module provided by the embodiment of the present utility model;

[0029] Figure 4 Internal schematic diagram of the hot box module provided by the embodiment of the present utility model;

[0030] Figure 5 Schematic diagram of the pipeline connection between the modules provided by the embodiment of the present utility model;

[0031] Figure 6 Schematic diagram of modules with different unit volumes provided by the embodiment of the present utility model.

[0032] In the figure: 01 - battery to be tested, 1 - water supply module, 2 - gas supply module, 201 - gas supply tank, 202 - hydrogen interface, 203 - nitrogen interface, 204 - hydrogen-nitrogen mixture interface, 205 - air interface, 206 - oxygen interface, 3 - hot box module, 301 - test box, 302 - battery bracket, 303 - fuel inlet hose, 304 - fuel outlet hose, 305 - air inlet hose, 306 - air outlet hose, 4 - heat exchange module, 5 - control module. Detailed implementation manners

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] The purpose of the present invention is to provide a fuel cell test platform to solve the problems existing in the prior art. Through the flexible combination and replacement of modular components, the testing of different models of fuel cells can be realized, and at the same time, the personalized configuration under different test requirements can be satisfied, improving the test efficiency and reducing the test cost.

[0035] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0036] As Figure 1 - Figure 2 shown, this embodiment provides a fuel cell test platform, including a water supply module 1, a gas supply module 2, a hot box module 3, a heat exchange module 4, and a control module 5. That is, the fuel test platform in this embodiment can be disassembled into multiple independent modules, and necessary interfaces are reserved for each module to achieve communication and the supply of gases, pure water, etc. Those skilled in the art can customize and replace the modules according to different test requirements.

[0037] In this embodiment, the water supply module 1 is used for supplying pure water and water vapor. Specifically, the water supply module 1 includes a water supply tank. A water source interface, a water supply interface, and a water vapor supply interface are provided on the water supply tank. A water purification mechanism and a water evaporation mechanism are provided inside the water supply tank. The water purification mechanism in this embodiment is preferably a water purifier. The water inlet of the water purifier is communicated with the water source interface. The water source interface is used for connecting to municipal tap water. The water outlet of the water purifier is communicated with the water supply interface. And a pure water booster pump is provided on the pipeline connected to the water outlet of the water purifier to supply pure water to the battery under test 01. The water evaporation mechanism in this embodiment is preferably a water vapor evaporator. The water inlet of the water vapor evaporator is communicated with the water outlet of the water purifier. The water vapor outlet of the water vapor evaporator is communicated with the water vapor supply interface. And a water vapor booster pump is provided on the pipeline connected to the water vapor outlet of the water vapor evaporator to supply water vapor to the battery under test 01.

[0038] In this embodiment, the gas supply module 2 is used for supplying hydrogen, nitrogen, hydrogen-nitrogen mixture, air, and oxygen. Specifically, as Figure 3 shown, the gas supply module 2 includes a gas supply tank 201. A gas source interface group and a gas supply interface group are provided on the gas supply tank 201. The gas source interface group includes a hydrogen interface 202, a nitrogen interface 203, a hydrogen-nitrogen mixture interface 204, an air interface 205, and an oxygen interface 206. A gas supply pipe group is provided inside the gas supply tank 201. One end of the gas supply pipe group is communicated with the gas source interface group, and the other end is communicated with the gas supply interface group to supply gas to the battery under test 01. And an MFC flowmeter is provided on the gas supply pipe group to realize gas flow control. A filter and a solenoid valve are also provided on the gas supply pipe group.

[0039] In this embodiment, the hot box module 3 is used for connecting the battery under test 01 for testing. Specifically, as Figure 4 shown, the hot box module 3 includes a test box 301. The test box 301 is used for accommodating the battery under test 01. A corresponding battery holder 302 can be customized according to different batteries under test 01 and placed inside the test box 301. A heating mechanism is provided inside the test box 301. The heating mechanism in this embodiment is preferably a high-temperature resistant stainless steel electric heater, which can realize temperature control in the range from room temperature to 1000 °C, so that the temperature inside the test box 301 reaches the reaction temperature of the battery under test 01 (usually about 800 °C). An air inlet interface group and an air outlet interface group are provided on the test box 301. The air inlet interface group includes a fuel air inlet interface and an air inlet interface. The air outlet interface group includes a fuel air outlet interface and an air outlet interface. The air inlet interface group is used for communicating with the air inlet of the battery under test 01, and the air outlet interface group is used for communicating with the air outlet of the battery under test 01. Specifically, each of the fuel air inlet interface, the fuel air outlet interface, the air inlet interface, and the air outlet interface of the hot box module 3 is connected with a hose through a high-temperature resistant hose clamp (preferably made of 310S stainless steel). The hose ( Figure 4The fuel inlet hose 303, fuel outlet hose 304, air inlet hose 305 or air outlet hose 306 shown in the figure) is used to connect to the corresponding fuel inlet, fuel outlet, air inlet or air outlet on the battery 01 to be tested. For different batteries 01 to be tested, the inlet and outlet ports of the battery 01 to be tested can be accurately connected by adjusting the position of the hose.

[0040] In this embodiment, the water supply module 1 and the hot box module 3 can be connected through a pure water and steam pipe group, and the gas supply module 2 and the hot box module 3 can be connected through a gas pipe group. The pipeline connection between the modules is as Figure 5 shown; during use, when the battery 01 to be tested in the hot box module 3 needs to perform electrolysis of water or humidification, the pure water and steam pipe group is connected to the water supply module 1. When the battery 01 to be tested in the hot box module 3 needs gas and air, the gas pipe group is connected to the gas supply module 2.

[0041] In this embodiment, the heat exchange module 4 is used to preheat the gas introduced from the gas supply module 2 into the hot box module 3, and the gas discharged from the hot box module 3 is used to preheat the gas introduced from the gas supply module 2 into the hot box module 3 through the heat exchange module 4; specifically, the heat exchange module 4 includes a heat exchange box, and the heat exchange box is provided with a cold fluid inlet interface group, a cold fluid outlet interface group, a hot fluid inlet interface group and a hot fluid outlet interface group. A heat exchange mechanism is arranged in the heat exchange box. The heat exchange mechanism in this embodiment is preferably a plate heat exchanger. The cold fluid inlet interface group is communicated with the cold fluid channel inlet of the plate heat exchanger, the cold fluid outlet interface group is communicated with the cold fluid channel outlet of the plate heat exchanger, the hot fluid inlet interface group is communicated with the hot fluid channel inlet of the plate heat exchanger, and the hot fluid outlet interface group is communicated with the hot fluid channel outlet of the plate heat exchanger; the gas pipe group includes a cold fluid inlet pipe group, a cold fluid outlet pipe group, a hot fluid inlet pipe group and a hot fluid outlet pipe group. The cold fluid inlet pipe group can connect the gas supply interface group of the gas supply module 2 and the cold fluid inlet interface group of the heat exchange module 4. The cold fluid outlet pipe group can connect the cold fluid outlet interface group of the heat exchange module 4 and the inlet interface group of the hot box module 3. The hot fluid inlet pipe group can connect the outlet interface group of the hot box module 3 and the hot fluid inlet interface group of the heat exchange module 4. One end of the hot fluid outlet pipe group is communicated with the hot fluid outlet interface group of the heat exchange module 4, and the other end is used for exhausting gas.

[0042] In this embodiment, the control module 5 includes a control box, and an electronic load, a PLC controller and a power supply are arranged in the control box. The electronic load (equivalent to an electrical appliance) can be connected in series with the battery 01 to be tested to measure the current and voltage of the battery 01 to be tested. Both the electronic load and the power supply are electrically connected to the PLC controller.

[0043] In this embodiment, transmitters are provided in the water supply module 1, the gas supply module 2, the hot box module 3, and the heat exchange module 4. The transmitters are electrically connected to the PLC controller, and the controller can collect and process the temperature, pressure, and flow rate data in each module. The transmitters in this embodiment include temperature sensors and pressure sensors. Each module reserves an analog signal interface and is connected to the control module 5 through a cable. The control module 5 collects the signals of each sensor and enters the PLC controller for monitoring and control, realizing the collection and processing of the equipment information in each module.

[0044] In this embodiment, a unit volume is defined as 100 cm in length, 100 cm in width, and 100 cm in height. As Figure 6 shown, from right to left in the figure are the module of 1 unit volume, the module of 1 / 2 unit volume, and the module of 1 / 4 unit volume. For the size of the module, those skilled in the art can set it according to needs.

[0045] In summary, the fuel cell test platform provided by the present utility model has good versatility. This test platform adopts an innovative modular design, thoroughly solving the limitation that the traditional test platform can only test a single fuel cell. Through the flexible combination and replacement of modular components, the present utility model can realize the testing of multiple different models of fuel cells and meet the personalized configuration under different test requirements at the same time. This design not only improves the test efficiency but also greatly reduces the test cost, bringing a revolutionary change to the field of fuel cell research and testing.

[0046] Specific examples are used in the present utility model to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. At the same time, for those of ordinary skill in the art, there will be changes in the specific implementation manner and application scope according to the idea of the present utility model. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A fuel cell test platform, characterized in that: It includes a water supply module, a gas supply module, a hot box module and a control module; The water supply module includes a water supply tank, on which there are a water source interface, a water supply interface and a water vapor supply interface. Inside the water supply tank, there are a water purification mechanism and a water evaporation mechanism. The water inlet of the water purification mechanism is connected to the water source interface, and the water outlet of the water purification mechanism is connected to the water supply interface to supply pure water to the battery under test; the water inlet of the water evaporation mechanism is connected to the water outlet of the water purification mechanism, and the water vapor outlet of the water evaporation mechanism is connected to the water vapor supply interface to supply water vapor to the battery under test; The gas supply module includes a gas supply tank, on which there are a gas source interface group and a gas supply interface group. The gas source interface group includes a hydrogen interface, a nitrogen interface, a hydrogen-nitrogen mixture interface, an air interface and an oxygen interface. Inside the gas supply tank, there is a gas supply pipe group. One end of the gas supply pipe group is connected to the gas source interface group, and the other end is connected to the gas supply interface group to supply gas to the battery under test, and a flow regulating mechanism is arranged on the gas supply pipe group; The hot box module includes a test box for accommodating the battery under test. Inside the test box, there is a heating mechanism to make the temperature inside the test box reach the reaction temperature of the battery under test. On the test box, there are an intake interface group and an exhaust interface group. The intake interface group includes a fuel intake interface and an air intake interface, and the exhaust interface group includes a fuel exhaust interface and an air exhaust interface. The intake interface group is used to be connected to the intake port of the battery under test, and the exhaust interface group is used to be connected to the exhaust port of the battery under test; The water supply module and the hot box module can be connected through a pure water and water vapor pipe group, and the gas supply module and the hot box module can be connected through a gas pipe group; The control module includes a control box, inside which there are an electronic load, a controller and a power supply. The electronic load can be connected in series with the battery under test to measure the current and voltage of the battery under test. Both the electronic load and the power supply are electrically connected to the controller.

2. The fuel cell test platform according to claim 1, wherein: The fuel cell test platform further includes a heat exchange module. The heat exchange module includes a heat exchange box, on which there are a cold fluid intake interface group, a cold fluid exhaust interface group, a hot fluid intake interface group and a hot fluid exhaust interface group. Inside the heat exchange box, there is a heat exchange mechanism. The cold fluid intake interface group is connected to the cold fluid channel inlet of the heat exchange mechanism, the cold fluid exhaust interface group is connected to the cold fluid channel outlet of the heat exchange mechanism, the hot fluid intake interface group is connected to the hot fluid channel inlet of the heat exchange mechanism, and the hot fluid exhaust interface group is connected to the hot fluid channel outlet of the heat exchange mechanism; The gas pipe group includes a cold fluid inlet pipe group, a cold fluid outlet pipe group, a hot fluid inlet pipe group, and a hot fluid outlet pipe group. The cold fluid inlet pipe group can connect the gas supply interface group of the gas supply module with the cold fluid inlet interface group of the heat exchange module. The cold fluid outlet pipe group can connect the cold fluid outlet interface group of the heat exchange module with the inlet interface group of the hot box module. The hot fluid inlet pipe group can connect the outlet interface group of the hot box module with the hot fluid inlet interface group of the heat exchange module. One end of the hot fluid outlet pipe group is connected to the hot fluid outlet interface group of the heat exchange module, and the other end is used for exhausting gas.

3. The fuel cell test platform according to claim 2, wherein: Transmitters are provided in the water supply module, the gas supply module, the hot box module, and the heat exchange module. The transmitters are electrically connected to the controller, and the controller can collect and process temperature, pressure, and flow rate data in each module.

4. The fuel cell test platform according to claim 3, characterized in that: The controller is a PLC controller.

5. The fuel cell test platform according to claim 3, wherein: The transmitter includes a temperature sensor and a pressure sensor.

6. The fuel cell test platform according to claim 2, wherein: The heat exchange mechanism is a plate heat exchanger; the water purification mechanism is a water purifier; the water evaporation mechanism is a steam evaporator; the heating mechanism is a high-temperature resistant stainless steel electric heater.

7. The fuel cell test platform according to claim 1, characterized in that: A booster pump is provided on the pipeline connected to the water outlet of the water purification mechanism and on the pipeline connected to the steam outlet of the water evaporation mechanism.

8. The fuel cell test platform according to claim 1, wherein: The flow rate regulating mechanism is an MFC flowmeter.

9. The fuel cell test platform according to claim 1, characterized in that: A filter and a solenoid valve are also provided on the gas supply pipe group.

10. The fuel cell test platform according to claim 1, characterized in that: A hose is connected to each of the fuel inlet interface, the fuel outlet interface, the air inlet interface, and the air outlet interface of the hot box module through a high-temperature resistant hose clamp. The hose is used to connect to the corresponding fuel inlet, fuel outlet, air inlet, or air outlet on the battery under test.

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