Novel air-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system

Abstract

The utility model discloses a novel air-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system. The novel air-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system comprises a fuel cell, a first storage tank, a first circulating pump, a second storage tank, a second circulating pump, a cooling fan and a controller, the first storage tank is connected with a first gas inlet of the fuel cell, and a first reaction gas is stored in the first storage tank; the second storage tank is connected with a second gas inlet of the fuel cell, and a second reaction gas is stored in the second storage tank; the first reaction gas and the second reaction gas are subjected to electrochemical reaction under the action of a proton exchange membrane with a catalyst in the fuel cell; and the controller is respectively in signal connection with the fuel cell, the first circulating pump and the second circulating pump. The fuel cell system provided by the utility model is provided with the first storage tank and the second storage tank which are used for respectively storing different reaction gases, so that the fuel cell is not influenced by the outside in an extreme environment and can still perform electrochemical reaction.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell unmanned plane field especially relates to a novel air cooling hydrogen oxygen fuel cell unmanned plane system. BACKGROUND

[0002] Fuel cell unmanned plane shows extensive application potential in multiple fields because of its unique advantage, and the hydrogen oxygen fuel cell unmanned plane system commonly seen in the market will inhale a large amount of air to provide oxygen required for the operation of the fuel cell of the unmanned plane. However, when such unmanned plane is working at high altitude, atmospheric pressure and oxygen concentration gradually decrease with the increase of altitude. At this time, only relying on the oxygen in the air is insufficient to enable the fuel cell of the unmanned plane to maintain normal output power, so that the unmanned plane is difficult to fly normally in the high altitude area.

[0003] Therefore, in the face of the problem that the fuel cell unmanned plane is difficult to fly normally in the high altitude area, a new solution is urgently needed. SUMMARY

[0004] The utility model discloses a novel air cooling hydrogen oxygen fuel cell unmanned plane system to realize that fuel cell unmanned plane can fly normally in high altitude area.

[0005] To solve the above technical problem, the utility model provides a novel air cooling hydrogen oxygen fuel cell unmanned plane system includes: fuel cell, first storage tank, first circulating pump, second storage tank, second circulating pump, cooling fan and controller, the first storage tank is connected with the first air inlet of fuel cell, and the first storage tank stores first reaction gas, the second storage tank is connected with the second air inlet of fuel cell, and the second storage tank stores second reaction gas, the first reaction gas and the second reaction gas carry out electrochemical reaction in the fuel cell, and first tail gas and second tail gas are discharged respectively through the first tail gas outlet and the second tail gas outlet of the fuel cell, the first circulating pump recycles the first reaction gas in the first tail gas to the first air inlet, the second circulating pump recycles the second reaction gas in the second tail gas to the second air inlet, and the cooling fan is installed on one side of the fuel cell, and the controller is connected with the fuel cell, the cooling fan, the first circulating pump and the second circulating pump signal respectively.

[0006] Further, the first storage tank is provided with a first pressure reducing valve.

[0007] Further, the first pressure reducing valve is provided with a first pressure sensor.

[0008] Further, the second storage tank is provided with a second pressure reducing valve.

[0009] Further, the second pressure reducing valve is provided with a second pressure sensor.

[0010] Further, the first tail gas outlet of the fuel cell is provided with a first separator for separating liquid water in the first tail gas; the first circulating pump is connected with the first separator.

[0011] Further, the outlet of the first separator is connected with a first electromagnetic valve.

[0012] Further, the second tail gas outlet of the fuel cell is provided with a second separator for separating liquid water in the second tail gas; the second circulating pump is connected with the second separator.

[0013] Further, the outlet of the second separator is connected with a second electromagnetic valve.

[0014] Further, the fuel cell is a wind-cooled hydrogen-oxygen fuel cell.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] The fuel cell system has the first storage tank and the second storage tank, can store different reaction gases respectively, so that the fuel cell can still perform electrochemical reaction under extreme environment without being affected by the outside world, and adapts to more scenes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the novel wind-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system in an embodiment of the utility model;

[0018] Figure 2 is a running flow chart of the novel wind-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system in an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The novel wind-cooled hydrogen-oxygen fuel cell unmanned aerial vehicle system of the utility model will be described in more detail below in conjunction with the schematic view, wherein the preferred embodiment of the utility model is shown, and it should be understood that the utility model described herein can be modified by those skilled in the art, and the advantageous effects of the utility model can still be achieved.

[0020] The utility model is described in more detail by way of example with reference to the drawings in the following paragraphs. The advantages and features of the utility model will become more apparent from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, only to facilitate, clear and assist in the purpose of describing the embodiments of the utility model.

[0021] As shown in Figure 1 and Figure 2 The utility model discloses an air -cooled hydrogen -oxygen fuel cell unmanned plane system, including: fuel cell 5, first storage tank 1, first circulating pump 3, second storage tank 2, second circulating pump 4, cooling fan 11 and controller 6, first storage tank 1 with first air inlet of fuel cell 5 is connected, and first storage tank 1 stores first reaction gas, second storage tank 2 with second air inlet of fuel cell 5 is connected, and second storage tank 2 stores second reaction gas, first reaction gas and second reaction gas carry out electrochemical reaction in fuel cell 5, and first exhaust and second exhaust are discharged respectively through first tail gas export and second tail gas export of fuel cell 5, first circulating pump 3 recycles first reaction gas in first exhaust to first air inlet, second circulating pump 4 recycles second reaction gas in second exhaust to second air inlet, cooling fan 11 is installed in one side of fuel cell 5, and controller 6 is signal connected with fuel cell 5, cooling fan 11, first circulating pump 3 and second circulating pump 4 respectively.

[0022] In this embodiment, fuel cell 5 is air -cooled hydrogen -oxygen fuel cell, first reaction gas is oxygen, and second reaction gas is hydrogen, and using first storage tank 1 and second storage tank 2 provide oxygen and hydrogen for fuel cell 5, so that fuel cell 5 can still work normally even in the high altitude environment of oxygen thin, so that fuel cell unmanned plane can normally fly under the premise of not attenuating power when being in high altitude environment, and cooling fan 11 is arranged in one side of fuel cell 5, and cooling fan 11 carries out temperature reduction to fuel cell 5 by direct blowing fuel cell 5.

[0023] Further, first circulating pump 3 is oxygen circulating pump, and first circulating pump 3 introduces the oxygen that is not completely reacted and is discharged in the first air outlet of fuel cell 5 to the first air inlet again, and second circulating pump 4 is hydrogen circulating pump, and second circulating pump 4 introduces the hydrogen that is not completely reacted and is discharged in the second air outlet of fuel cell 5 to the second air inlet again.

[0024] In this embodiment, first storage tank 1 is equipped with first pressure reducing valve, first pressure reducing valve is equipped with first pressure sensor, second storage tank 2 is equipped with second pressure reducing valve, and second pressure reducing valve is equipped with second pressure sensor.

[0025] Specifically, the first pressure sensor and the second pressure sensor detect pressure data in the first storage tank and the second storage tank respectively, and when the pressure value in the first storage tank 1 or the second storage tank 2 is too high, pressure relief can be performed through the first pressure relief valve or the second pressure relief valve to prevent the pressure in the first storage tank 1 or the second storage tank 2 from being too large.

[0026] In the embodiment, the first separator 7 is arranged at the first tail gas outlet of the fuel cell 5 and is used for separating the first reaction gas in the first tail gas; the first circulating pump 3 is connected with the first separator 7; and the outlet of the first separator 7 is connected with the first electromagnetic valve 9.

[0027] Specifically, the first gas outlet of the fuel cell 5 discharges unreacted oxygen and water generated in the reaction process during the reaction, the first separator 7 separates the mixed oxygen and water, the controller 6 monitors the output voltage and current of the fuel cell 5 and calculates the output power in real time, the amount of water generated or penetrated in the first circulating pump 3 is calculated according to the real-time power and cumulative time, and then the content of the separated water in the first separator 7 is calculated; when the content of the separated water reaches 100-200 mL, such as 120 mL, 150 mL or 180 mL, the first electromagnetic valve 9 is opened to drain water.

[0028] In the embodiment, the second separator 8 is arranged at the second tail gas outlet of the fuel cell and is used for separating the second reaction gas in the second tail gas; the second circulating pump 4 is connected with the second separator 8; and the outlet of the second separator 8 is connected with the second electromagnetic valve 10.

[0029] Specifically, the first gas outlet of the fuel cell 5 discharges unreacted oxygen and water generated in the reaction process during the reaction, the first separator 7 separates the mixed oxygen and water, the controller 6 monitors the output voltage and current of the fuel cell 5 and calculates the output power in real time, the amount of water generated or penetrated in the first circulating pump 3 is calculated according to the real-time power and cumulative time, and then the content of the separated water in the first separator 7 is calculated; when the content of the separated water reaches 100-200 mL, such as 120 mL, 150 mL or 180 mL, the first electromagnetic valve 9 is opened to drain water.

[0030] Compared with the prior art, the utility model has at least the following beneficial effects:

[0031] The fuel cell system has the first storage tank and the second storage tank, different reaction gases can be respectively stored, the fuel cell is not affected by the outside world under an extreme environment, can still carry out electrochemical reaction, and more scenes are adapted.

[0032] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A novel air-cooled hydrogen-oxygen fuel cell drone system characterized by, The application relates to a fuel cell system. The system comprises a fuel cell, a first storage tank, a first circulating pump, a second storage tank, a second circulating pump, a cooling fan and a controller. The first storage tank is connected with a first gas inlet of the fuel cell, and the first storage tank stores a first reaction gas. The second storage tank is connected with a second gas inlet of the fuel cell, and the second storage tank stores a second reaction gas. The first reaction gas and the second reaction gas perform electrochemical reaction in the fuel cell, and first tail gas and second tail gas are discharged from a first tail gas outlet and a second tail gas outlet of the fuel cell respectively. The first circulating pump recycles the first reaction gas in the first tail gas to the first gas inlet. The second circulating pump recycles the second reaction gas in the second tail gas to the second gas inlet. The cooling fan is installed on one side of the fuel cell. The controller is signal-connected with the fuel cell, the cooling fan, the first circulating pump and the second circulating pump respectively.

2. The novel air-cooled hydrogen-oxygen fuel cell drone system as claimed in claim 1, wherein, A first pressure reducing valve is arranged on the first storage tank.

3. The novel air-cooled hydrogen-oxygen fuel cell drone system of claim 2, wherein, A first pressure sensor is arranged at the first pressure reducing valve.

4. The novel air-cooled hydrogen-oxygen fuel cell drone system of claim 1, wherein, A second pressure reducing valve is arranged on the second storage tank.

5. The novel air-cooled hydrogen-oxygen fuel cell drone system as claimed in claim 4, wherein, A second pressure sensor is arranged at the second pressure reducing valve.

6. The novel air-cooled hydrogen-oxygen fuel cell drone system of claim 1, wherein, A first separator is arranged at the first tail gas outlet of the fuel cell, and is used for separating liquid water in the first tail gas; the first circulating pump is connected with the first separator.

7. The novel air-cooled hydrogen-oxygen fuel cell drone system as claimed in claim 6, wherein, A first electromagnetic valve is connected with an outlet of the first separator.

8. The novel air-cooled hydrogen-oxygen fuel cell drone system of claim 1, wherein, A second separator is arranged at the second tail gas outlet of the fuel cell, and is used for separating liquid water in the second tail gas; the second circulating pump is connected with the second separator.

9. The novel air-cooled hydrogen-oxygen fuel cell drone system as claimed in claim 8, wherein, A second electromagnetic valve is connected with an outlet of the second separator.

10. The novel air-cooled hydrogen-oxygen fuel cell drone system as claimed in claim 1, wherein, The fuel cell is a wind-cooled hydrogen-oxygen fuel cell.

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