CN219695384U - Fuel cell testing system - Google Patents

Abstract

The utility model discloses a fuel cell test system, which is used for a fuel cell and comprises compressed air supply equipment, a first air inlet pipe, a first air outlet pipe, a first water-gas separator and a first tail drain collecting device, wherein one end of the first air inlet pipe is communicated with the compressed air supply equipment, the other end of the first air inlet pipe is communicated with an air inlet of the fuel cell, one end of the first air outlet pipe is communicated with an air outlet of the fuel cell, the other end of the first air outlet pipe is communicated with the first water-gas separator, and the first tail drain collecting device is communicated with the first air outlet pipe and is used for collecting tail drain flowing through the first air outlet pipe. According to the fuel cell testing system, the first tail drain collecting device is arranged, so that the working efficiency of the fuel cell testing system and the collecting efficiency of the tail drain of the fuel cell are well ensured, other impurities are not easy to mix in the tail drain of the fuel cell, the authenticity of a testing result is improved, and the accuracy of judging the service life of the fuel cell is improved.

Description

Fuel cell testing system

Technical Field

The utility model relates to the field of fuel cell testing, in particular to a fuel cell testing system.

Background

A fuel cell, which is a main power source of a fuel cell system, is a device supplied with oxygen corresponding to an oxidant and hydrogen corresponding to a fuel to generate electricity while generating water. In the fuel cell, high purity hydrogen is supplied from a hydrogen storage tank to the anode of the fuel cell stack, and air containing oxygen in the atmosphere is directly supplied to the cathode of the fuel cell stack by an air supply device (e.g., an air compressor). The hydrogen supplied to the anode is separated into protons and electrons by the anode catalyst, and the protons move to the cathode through the polymer electrolyte membrane. Oxygen in air supplied to the cathode combines with electrons introduced into the cathode through an external connection to generate electric energy and generate water at the same time, the water is discharged along with a pipeline, and components in the discharged water can better obtain the working efficiency and the working life of the fuel cell after analysis and detection, but the tail drainage is easy to pollute in the collection process of the related technology, so that the accuracy and the reliability of detection are affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a fuel cell testing system, which makes tail drain of a fuel cell not easy to mix with other impurities, improves the authenticity of a testing result, and improves the accuracy of judging the service life of the fuel cell.

According to the fuel cell test system, the fuel cell test system is used for a fuel cell and comprises compressed air supply equipment, a first air inlet pipe, a first air outlet pipe, a first water-gas separator and a first tail drain collecting device, wherein one end of the first air inlet pipe is communicated with the compressed air supply equipment, the other end of the first air inlet pipe is communicated with an air inlet of the fuel cell, one end of the first air outlet pipe is communicated with an air outlet of the fuel cell, the other end of the first air outlet pipe is communicated with the first water-gas separator, and the first tail drain collecting device is communicated with the first air outlet pipe and is used for collecting tail drain flowing through the first air outlet pipe.

According to the fuel cell test system provided by the embodiment of the utility model, the first tail drain collecting device is arranged, so that the fuel cell can collect tail drain of the fuel cell in a normal operation state, the working efficiency of the fuel cell test system and the collection efficiency of the tail drain of the fuel cell are well ensured, the operation is simple, the labor cost is saved, other impurities are not easy to mix in the tail drain of the fuel cell, the authenticity of a test result is improved, and the accuracy of judging the service life of the fuel cell is improved.

In addition, the fuel cell testing system according to the present utility model may further have the following additional technical features:

in some embodiments of the present utility model, the fuel cell test system further includes a hydrogen supply device, a second inlet pipe, a second outlet pipe, a second moisture separator, and a second tail drain collecting device, wherein one end of the second inlet pipe is communicated with the hydrogen supply device, the other end is communicated with the hydrogen inlet of the fuel cell, one end of the second outlet pipe is communicated with the hydrogen outlet of the fuel cell, the other end is communicated with the second moisture separator, and the second tail drain collecting device is communicated with the second outlet pipe for collecting tail drain flowing through the second outlet pipe.

In some embodiments of the present utility model, the first tail drain collecting device and the second tail drain collecting device each include a drain pipe, a first control valve, and a collecting tank, one end of the drain pipe is communicated with the first air outlet pipe or the second air outlet pipe, the other end is communicated with a first water inlet of the collecting tank, and the first control valve is provided on the drain pipe to open or close the drain pipe.

In some embodiments of the utility model, the first and second tail drain collectors further each include a first drain pipe connected to the first drain port of the collection tank and a second control valve provided on the first drain pipe to open or close the first drain pipe.

In some embodiments of the present utility model, the first tail drain collecting device and the second tail drain collecting device further each include a sampling bottle, a second drain pipe, one end of which is connected to the second drain port of the collecting tank, and the other end of which is detachably connected to the sampling bottle, and a third control valve provided on the second drain pipe to open or close the second drain pipe.

In some embodiments of the utility model, the first drain opening and the second drain opening are both disposed on a bottom surface of the collection tank.

In some embodiments of the present utility model, the first control valve, the second control valve, and the third control valve are all solenoid valves, and the first tail drain collecting device and the second tail drain collecting device further each include a controller for controlling on-off of the first control valve, the second control valve, and the third control valve.

In some embodiments of the utility model, the collection tank is made of transparent material, and the bottle wall of the collection tank is provided with scale strips.

In some embodiments of the utility model, the first water inlet is disposed at a top surface of the collection tank.

In some embodiments of the present utility model, the first outlet duct includes a first duct section, a second duct section, and a first tee, the first duct section being in communication with a first orifice of the first tee, the second duct section being in communication with a second orifice of the first tee, and an upper end of the draft tube being in communication with a third orifice of the first tee that is downwardly open.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a fuel cell testing system employing a compressed air supply apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a fuel cell testing system employing a hydrogen supply apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of the first or second tail drain collecting device, the fuel cell stack, and the test assembly according to the embodiment of the present utility model.

Reference numerals:

the fuel cell testing system 100 is configured to provide a test result,

a compressed air supply device 1, a first air inlet pipe 2, a first air outlet pipe 3, a first pipe body section 31, a second pipe body section 32, a first three-way pipe 33,

the first water-gas separator 4, the first tail drain collecting device 5, the drain pipe 51, the first control valve 52, the collecting tank 53, the first drain pipe 54, the second control valve 55, the sampling bottle 56, the second drain pipe 57, the third control valve 58, the controller 59,

the hydrogen supply device 6, the second inlet pipe 7, the second water-gas separator 8, the second tail drain collecting device 9, the first back pressure valve 10, the first check valve 11, the first pressure sensor 12, the first temperature sensor 13, the second pressure sensor 14, the second temperature sensor 15, the second back pressure valve 16, the second check valve 17, the third pressure sensor 18, the third temperature sensor 19, the fourth pressure sensor 20, the fourth temperature sensor 21, the fuel cell 22, the second outlet pipe 23, the third pipe section 231, the fourth pipe section 232, the second three-way pipe 233,

and a test assembly 24.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A fuel cell testing system 100 according to an embodiment of the present utility model is described below with reference to fig. 1-3.

Referring to fig. 1, a fuel cell test system 100 for a fuel cell 22 includes a compressed air supply apparatus 1, a first air intake pipe 2, a first air outlet pipe 3, a first moisture separator 4, and a first tail drain collecting device 5, one end of the first air intake pipe 2 is communicated with the compressed air supply apparatus 1, the other end is communicated with an air inlet of the fuel cell 22, the compressed air supply apparatus 1 is facilitated to supply air to the fuel cell 22, one end of the first air outlet pipe 3 is communicated with an air outlet of the fuel cell 22, the other end is communicated with the first moisture separator 4, and the first tail drain collecting device 5 is communicated with the first air outlet pipe 3 for collecting tail drain flowing through the first air outlet pipe 3.

With continued reference to fig. 1, in a specific embodiment, on the first air intake pipe 2 between the compressed air supply apparatus 1 and the fuel cell 22, a first check valve 11, a first pressure sensor 12, and a first temperature sensor 13 are sequentially provided in the direction from the compressed air supply apparatus 1 to the fuel cell 22, while a second pressure sensor 14 and a second temperature sensor 15 are provided on the first air outlet pipe 3, when the compressed air supply apparatus 1 delivers air toward the fuel cell 22, the first check valve 11 can better prevent air from flowing backward to affect the air delivery efficiency of the compressed air supply apparatus 1 to the fuel cell 22, better ensure the performance stability of the fuel cell 22, the first pressure sensor 12 and the first temperature sensor 13 can collect the pressure and temperature values of the air in the first air intake pipe 2, and feed back the data to the control center, when the pressure and temperature values exceed the preset value ranges, the control center can control the compressed air supply device 1 to stop running so as to ensure that the air delivered to the fuel cell 22 meets the requirements, thereby ensuring the performance stability of the fuel cell 22, the second pressure sensor 14 and the second temperature sensor 15 can collect the air pressure value and the temperature value output by the fuel cell 22, judge the working state of the fuel cell 22, when the first tail drain collecting device 5 is finished, the first back pressure valve 10 can drive the liquid in the first tail drain collecting device 5 to enter the first water-gas separator 4, separate the water and the gas through the first water-gas separator 4, discharge the gas out of the fuel cell testing system 100 or recycle the gas, discharge the separated water out of the fuel cell testing system 100 or recycle the water for cooling, namely collect the tail drain of the fuel cell 22, and the normal operation of the fuel cell 22 is not affected, and the working efficiency of the fuel cell test system 100 is improved.

Therefore, according to the fuel cell testing system 100 of the embodiment of the utility model, by arranging the first tail drain collecting device 5, the fuel cell 22 can collect tail drain of the fuel cell 22 in a normal running state, so that the working efficiency of the fuel cell testing system 100 and the collection efficiency of the tail drain of the fuel cell 22 are well ensured, the operation is simple, the labor cost is saved, other impurities are not easy to mix in the tail drain of the fuel cell 22, the authenticity of a testing result is improved, and the accuracy of judging the service life of the fuel cell 22 is improved.

In some embodiments of the present utility model, referring to fig. 2, the fuel cell test system 100 further includes a hydrogen supply device 6, a second inlet pipe 7, a second outlet pipe 23, a second moisture separator 8, and a second tail drain collecting means 9, one end of the second inlet pipe 7 is communicated with the hydrogen supply device 6, the other end is communicated with the hydrogen inlet of the fuel cell 22, one end of the second outlet pipe 23 is communicated with the hydrogen outlet of the fuel cell 22, the other end is communicated with the second moisture separator 8, the second tail drain collecting means 9 is communicated with the second outlet pipe 23 for collecting tail drain flowing through the second outlet pipe 23, in one embodiment, a second check valve 17, a third pressure sensor 18, and a third temperature sensor 19 are sequentially provided in the direction from the hydrogen supply device 6 to the fuel cell 22 on the second inlet pipe 7 between the hydrogen supply device 6 and the fuel cell 22, meanwhile, the fourth pressure sensor 20 and the fourth temperature sensor 21 are arranged on the second air outlet pipe 23, when the hydrogen supply device 6 conveys hydrogen towards the fuel cell 22, the second one-way valve 17 can better prevent the hydrogen from flowing back to influence the hydrogen conveying efficiency of the hydrogen supply device 6 on the fuel cell 22, the performance stability of the fuel cell 22 is better ensured, the third pressure sensor 18 and the third temperature sensor 19 can collect the pressure and temperature values of the hydrogen in the second air inlet pipe 7 and feed the data back to the control center, when the pressure and temperature values exceed the preset value range, the control center can control the hydrogen supply device 6 to stop running so as to ensure that the air conveyed to the fuel cell 22 meets the requirements, thereby ensuring the performance stability of the fuel cell 22, the second pressure sensor 14 and the second temperature sensor 15 can collect the hydrogen pressure value and the temperature value output by the fuel cell 22, judge the working state of the fuel cell 22, when the first tail drain collecting device 5 is collected, the second back pressure valve 16 can drive the liquid in the second tail drain collecting device 9 to enter the second water-gas separator 8, separate the water and the gas through the second water-gas separator 8, discharge the gas out of the fuel cell test system 100 or recycle the gas, and discharge the separated water out of the fuel cell test system 100 or recycle the separated water for cooling, thereby collecting tail drain of the fuel cell 22, not affecting the normal operation of the fuel cell 22, and better improving the working efficiency of the fuel cell test system 100.

In some embodiments of the present utility model, referring to fig. 1-3, the first tail drain collecting device 5 and the second tail drain collecting device 9 each include a drain pipe 51, a first control valve 52 and a collecting tank 53, one end of the drain pipe 51 is communicated with the first air outlet pipe 3 or the second air outlet pipe 23, the other end is communicated with the first water inlet of the collecting tank 53, the first control valve 52 is disposed on the drain pipe 51 to open or close the drain pipe 51, in one embodiment, the first control valve 52 is opened when the first tail drain collecting device 5 or the second tail drain collecting device 9 collects the tail drain of the fuel cell 22, so that the tail drain of the fuel cell 22 can flow into the collecting tank 53 through the drain pipe 51, and after the collection, the first control valve 52 is closed, so that the operation is simple, and the operation stability of the fuel cell 22 and the operation efficiency of the fuel cell test system 100 are better improved without stopping the operation of the fuel cell 22.

In some embodiments of the present utility model, referring to fig. 1-3, the first tail drain collection device 5 and the second tail drain collection device 9 further each include a first drain pipe 54 and a second control valve 55, the first drain pipe 54 is connected to the first drain port of the collection tank 53, the second control valve 55 is disposed on the first drain pipe 54 to open or close the first drain pipe 54, in one embodiment, the tail drain collection device closes the second control valve 55 before collecting tail drain of the fuel cell 22, opens the first control valve 52 so that residual tail drain in the drain pipe 51 and part of newly generated tail drain flow into the collection tank 53, then closes the first control valve 52 so that the collection tank 53 stops collecting tail drain, and opens the second control valve 55 so that the first drain pipe 54 is in a connected state so that tail drain in the collection tank 53 flows out through the first drain pipe 54, closes the second control valve 55 after tail drain in the collection tank 53 is completely drained, opens the first control valve 52 so that the collection tank 53 begins to collect tail drain in the fuel cell 22, and the quality of the newly generated tail drain is not disturbed by the fuel cell 22 is judged to be good by the quality of the newly generated tail drain in the fuel cell 22, and the life of the tail drain is not actually being disturbed by the test results of the fuel cell.

Therefore, according to the fuel cell test system 100 of the embodiment of the utility model, by arranging the first control valve 52 and the collecting tank 53, the tail drain collecting device can control the opening or closing state of the drainage tube 51 so as to control the amount of tail drain of the fuel cell 22 entering the collecting tank 53, the operation is simple, the labor cost is saved, other impurities are not easy to mix in the tail drain of the fuel cell 22, the authenticity of the test result is improved, the accuracy of judging the service life of the fuel cell 22 is improved, and meanwhile, the operation of the fuel cell 22 does not need to be stopped, and the collecting efficiency of the tail drain collecting device is better improved.

In some embodiments of the present utility model, referring to fig. 1-3, the first tail drain collecting device 5 and the second tail drain collecting device 9 further include a sampling bottle 56, a second drain 57, and a third control valve 58, one end of the second drain 57 is connected to the second drain of the collecting tank 53, the other end is detachably connected to the sampling bottle 56, the sampling bottle 56 is disposed below the collecting tank 53, and the third control valve 58 is disposed on the second drain 57 to open or close the second drain 57, in one embodiment, after the collecting tank 53 completes the collecting operation of the tail drain of the fuel cell 22, the third control valve 58 is opened, so that the second drain 57 is in a communicating state, the tail drain in the collecting tank 53 flows into the sampling bottle 56 through the second drain 57, after the sampling bottle 56 obtains enough tail drain, the third control valve 58 is closed, the second drain 57 is closed, since the sampling bottle 56 is detachably connected to one end of the second drain 57, the sampling bottle 56 is directly detached for testing the tail drain, thus the fuel cell 22 does not cause pressure in the sampling process, the fuel cell 22 is better kept in a pressure-holding state, and the connection is not required to be rotatable, the cost-saving manner is realized, and the cost can be saved.

In some embodiments of the present utility model, referring to fig. 1-3, the first drain port and the second drain port are both disposed on the bottom surface of the collection tank 53, the first drain port 54 is connected to the first drain port and disposed below the collection tank 53, the second drain port 57 is connected to the second drain port and disposed below the collection tank 53, when it is desired to drain the residual tail drain in the collection tank 53, the second control valve 55 is opened, the first drain port 54 is connected, the third control valve 58 is closed to close the second drain pipe 57, the tail drain in the collection tank 53 drains the tail drain collection device through the first drain pipe 54 under the action of gravity, so that the tail drain test result of the fuel cell 22 is not disturbed by the residual tail drain, the authenticity of the collected tail drain of the fuel cell 22 is better improved, the accuracy of the service life judgment of the fuel cell 22 is improved, when it is desired to transfer the tail drain in the collection tank 53 to the sampling bottle 56, the second drain valve 55 is closed, the third drain valve 58 is opened, the second drain 57 is connected, the tail drain in the collection tank 53 is connected, the tail drain is driven by the second drain through the second drain 54, the additional drain device is driven by the second drain pipe 57 under the action of gravity, no additional manpower is required to drive the device, and the production cost is reduced.

In some embodiments of the present utility model, the first control valve 52, the second control valve 55 and the third control valve 58 are all electromagnetic valves, the electromagnetic valves are installed on the pipeline and can be used for controlling the circulation or closing of the pipeline, the electromagnet is additionally installed on the valve through different designs by utilizing the function of the electromagnet, the transmission direction of the valve core body is controlled through a mechanical transmission mode to complete the opening and closing actions of the valve, thereby realizing automatic control, the electromagnetic valves can be matched with different circuits to realize expected control, the control precision and flexibility can be better ensured, the automation level and the working efficiency of the fuel cell test system 100 can be better realized, the first tail drain collecting device 5 and the second tail drain collecting device 9 also comprise a controller 59 for controlling the opening and closing of the first control valve 52, the second control valve 55 and the third control valve 58, the controller 59 is connected to the first control valve 52, the second control valve 55 and the third control valve 58 through signals, so that the controller 59 can send signals to the first control valve 52, the second control valve 55 and the third control valve 58 to control the opening or closing of the same, and can control the on-off of the drainage tube 51, the first drainage tube 54 and the second drainage tube 57 at regular time, thereby enabling the first drainage collection device 5 and the second drainage collection device 9 to orderly collect and sample drainage, in a specific embodiment, the first drainage collection device 5 and the second drainage collection device 9 can be arranged to open the first control valve 52 and the second control valve 55 five minutes before starting to collect drainage, close the third control valve 58 to drain residual drainage in the collection tank 53 and the drainage tube 51 without waiting for the drainage of the fuel cell 22 by hand, the operating efficiency and automation level of the fuel cell testing system 100 are better improved, and the labor cost and time cost are saved.

In some embodiments of the present utility model, the sampling bottle 56 is made of transparent material, the bottle wall of the sampling bottle 56 is provided with a scale bar, in one embodiment, the collecting tank 53 is provided with a sensor, when the tail drain in the collecting tank 53 reaches a preset capacity, the sensor can send a signal to the controller 59, the controller 59 sends a signal to the first control valve 52 after receiving the signal to control the closing of the first control valve, no manual control is needed during the closing, then the controller 59 can control the third control valve 58 to open, so that the tail drain in the collecting tank 53 flows into the sampling bottle 56, the scale bar on the wall of the sampling bottle 56 can directly observe the tail drain amount in the sampling bottle 56, and the third control valve 58 can be controlled to close according to the requirement, so that the sampling bottle 56 obtains the required tail drain amount, the fuel cell test system 100 can automatically quantitatively collect the tail drain, the required amount is obtained, the automation level of the fuel cell test system 100 is better improved, and the labor cost is better saved.

In some embodiments of the present utility model, the first water inlet is disposed on the top surface of the collection tank 53, in a specific embodiment, the collection tank 53 is disposed below the fuel cell 22, one end of the drainage tube 51 is connected to the water receiving tube, and the other end is connected to the first water inlet, after the fuel cell 22 starts to generate the tail drainage water, the tail drainage water flows into the collection tank 53 along the drainage tube 51 through the first water inlet by using gravity after passing through the water receiving tube, and no driving device is required to provide power for the flow of the tail drainage water, so that the production cost and the labor cost of the fuel cell test system 100 are better saved.

In some embodiments of the present utility model, referring to fig. 1-3, the first air outlet pipe 3 includes a first pipe section 31, a second pipe section 32 and a first three-way pipe 33, one end of the first pipe section 31 is connected to the water outlet of the fuel cell 22, the other end is connected to the first pipe orifice of the first three-way pipe 33, one end of the second pipe section 32 is connected to the second pipe orifice of the first three-way pipe 33, the other end is connected to the first water inlet of the test assembly 24, the upper end of the drainage pipe 51 is connected to the third pipe orifice of the first three-way pipe 33, so that the tail drainage water can sequentially pass through the first pipe section 31, the first pipe orifice, the third pipe orifice and the drainage pipe 51 to reach the collecting tank 53, the gas generated by the fuel cell 22 can sequentially pass through the first pipe section 31, the first pipe orifice, the second pipe section 32 and the second pipe orifice to reach the test assembly 24, the test assembly 24 can directly discharge the gas, thereby realizing the collection of the tail of the fuel cell 22, and the gas generated by the fuel cell 22 can not easily enter the collecting tank 53, and the tail drainage water can easily be easily enter the collecting tank 53, and the tail drainage water can be easily enter the collecting tank, and the tail drainage water can be accurately and easily enter the water tank, and can be accurately connected to the third pipe orifice of the third pipe 33, and the third pipe section is connected to the third pipe section 233, and the third pipe section is connected to the third pipe section 23, and third pipe section 233 is connected to the third pipe section 23, and third pipe section is more clearly to third pipe section 233, and third pipe section is connected to third pipe section 23, and third pipe section 233, and third pipe section is connected to third pipe section 23.

The present utility model also proposes a fuel cell 22 having a tail drain collection device.

According to the fuel cell 22 of the embodiment of the utility model, by arranging the tail drain collecting device, the tail drain of the fuel cell 22 is not easy to mix with other impurities, the authenticity of the test result is improved, the accuracy of judging the service life of the fuel cell 22 is improved, meanwhile, the operation of the fuel cell 22 is not required to be stopped, the collecting efficiency of the fuel cell test system 100 is improved well, and the fuel cell test system is convenient to operate, simple in structure and capable of saving time cost and labor cost well.

Other configurations and operations of the fuel cell testing system 100 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A fuel cell testing system (100) for a fuel cell (22), comprising: the device comprises compressed air supply equipment (1), a first air inlet pipe (2), a first air outlet pipe (3), a first water-gas separator (4) and a first tail drain collecting device (5), wherein one end of the first air inlet pipe (2) is communicated with the compressed air supply equipment (1), the other end of the first air inlet pipe is communicated with an air inlet of the fuel cell (22), one end of the first air outlet pipe (3) is communicated with an air outlet of the fuel cell (22), and the other end of the first air outlet pipe is communicated with the first water-gas separator (4);

the first tail drainage collection device (5) is communicated with the first air outlet pipe (3) and is used for collecting tail drainage flowing through the first air outlet pipe (3).

2. The fuel cell testing system (100) of claim 1, further comprising: a hydrogen supply device (6), a second air inlet pipe (7), a second air outlet pipe (23), a second water-gas separator (8) and a second tail drainage collection device (9),

one end of the second air inlet pipe (7) is communicated with the hydrogen supply equipment (6), the other end of the second air inlet pipe is communicated with a hydrogen inlet of the fuel cell (22), one end of the second air outlet pipe (23) is communicated with a hydrogen outlet of the fuel cell (22), and the other end of the second air outlet pipe is communicated with the second water-gas separator (8);

the second tail drain collecting device (9) is communicated with the second air outlet pipe (23) and is used for collecting tail drain flowing through the second air outlet pipe (23).

3. The fuel cell testing system (100) according to claim 2, wherein the first tail drain collection device (5) and the second tail drain collection device (9) each comprise: the drainage tube (51), first control valve (52) and collection tank (53), the one end of drainage tube (51) with first outlet duct (3) or second outlet duct (23) intercommunication, the other end with the first water inlet intercommunication of collection tank (53), first control valve (52) set up on drainage tube (51) in order to open or close drainage tube (51).

4. A fuel cell testing system (100) according to claim 3, wherein the first tail drain collection device (5) and the second tail drain collection device (9) each further comprise:

a first drain pipe (54), the first drain pipe (54) being connected to a first drain port of the collection tank (53);

-a second control valve (55), said second control valve (55) being arranged on said first drain pipe (54) to open or close said first drain pipe (54).

5. The fuel cell testing system (100) according to claim 4, wherein the first tail drain collection device (5) and the second tail drain collection device (9) each further comprise:

a sampling bottle (56);

a second drain pipe (57), wherein one end of the second drain pipe (57) is connected with a second drain outlet of the collecting tank (53), and the other end of the second drain pipe is detachably connected with the sampling bottle (56);

-a third control valve (58), said third control valve (58) being arranged on said second drain pipe (57) to open or close said second drain pipe (57).

6. The fuel cell testing system (100) of claim 5, wherein the first drain opening and the second drain opening are both disposed at a bottom surface of the collection tank (53).

7. The fuel cell testing system (100) according to claim 5, wherein the first control valve (52), the second control valve (55) and the third control valve (58) are all solenoid valves, and the first tail drain collection device (5) and the second tail drain collection device (9) each further comprise: and a controller (59) for controlling the on-off of the first control valve (52), the second control valve (55) and the third control valve (58).

8. A fuel cell testing system (100) according to claim 3, wherein the collection tank (53) is made of a transparent material, and a graduation strip is provided on a bottle wall of the collection tank (53).

9. A fuel cell testing system (100) according to claim 3, wherein the first water inlet is provided at a top surface of the collection tank (53).

10. A fuel cell testing system (100) according to claim 3, wherein the first outlet pipe (3) comprises: the novel drainage tube comprises a first tube body section (31), a second tube body section (32) and a first three-way tube (33), wherein the first tube body section (31) is communicated with a first tube opening of the first three-way tube (33), the second tube body section (32) is communicated with a second tube opening of the first three-way tube (33), and the upper end of the drainage tube (51) is communicated with a third tube opening of the first three-way tube (33) which is downward.