Hydrogen energy unmanned aerial vehicle hydrogenation device based on solar power generation and hydrogen production

Abstract

According to the hydrogen energy unmanned aerial vehicle hydrogenation device based on solar power generation and hydrogen production, specifically, a storage battery is charged through a solar panel, then the storage battery supplies power to a hydrogen production machine, hydrogen produced by the hydrogen production machine enters a low-pressure container to be temporarily stored, and then the hydrogen is pressurized through a booster pump to be stored in a high-pressure container; when the hydrogen energy unmanned aerial vehicle lands on the parking platform, an undercarriage of the hydrogen energy unmanned aerial vehicle slides into the guide sliding rail and then moves along the obliquely-arranged guide sliding rail, after the hydrogen energy unmanned aerial vehicle moves by a certain distance, a quick connector son body of a hydrogen tank carried on a vehicle body of the hydrogen energy unmanned aerial vehicle is inserted into a quick connector mother body fixed to the parking platform, and pipeline butt joint is completed; and then hydrogen in the high-pressure container enters the hydrogen tank of the hydrogen energy unmanned aerial vehicle through the pipeline, so that the hydrogenation operation of the hydrogen energy unmanned aerial vehicle is realized, and the whole process does not need manual participation and is safe and convenient.

Description

Technical Field

[0001] The present invention belongs to the field of hydrogen energy UAVs, and in particular relates to a hydrogen refueling device for hydrogen energy UAVs based on solar power generation and hydrogen production. Background Art

[0002] With the rapid development of drone technology, its application in environmental monitoring, agricultural plant protection, emergency rescue and other fields is becoming more and more extensive. However, traditional drones mostly use lithium batteries as power sources, which have problems such as short flight time and long charging time, limiting the widespread application of drones. As a clean and renewable energy source, solar energy has been used in the field of drones to a certain extent in recent years, but solar power supply is greatly affected by weather and sunshine time, and it is difficult to meet the all-weather flight needs of drones alone.

[0003] As a high-energy-density, clean energy, hydrogen energy has shown great potential in drone power systems. At present, there are two main ways to replenish hydrogen for hydrogen-powered drones. One is to use a detachable pre-filled hydrogen tank. When the drone is operating, multiple hydrogen tanks need to be prepared and replaced manually, which is more troublesome; the other is to fix the hydrogen tank on the drone. When hydrogen is needed, the pilot needs to accurately control the drone to land at the designated location to ensure the precise alignment of the hydrogen tank nozzle and the hydrogen filling equipment nozzle (hydrogen-powered drones use high-pressure hydrogen. In order to avoid pipeline rupture, hard pipes or hard and difficult-to-bend high-pressure hoses are basically used. If the hydrogen tank nozzle and the hydrogen filling equipment nozzle cannot be accurately aligned, it is difficult to ensure the smooth connection between the hydrogen tank nozzle and the hydrogen filling equipment nozzle). Then, the pipeline is connected manually or automatically to perform hydrogen filling operations. Although this method does not require carrying multiple hydrogen tanks, it requires high operating skills of the pilot and the flight control level of the drone itself, and it is still more troublesome to operate in practice. Summary of the invention

[0004] The purpose of the present invention is to provide a hydrogen energy UAV hydrogenation device based on solar power generation and hydrogen production, so as to solve the problems mentioned in the background technology. To achieve this purpose, the specific technical scheme is as follows:

[0005] A hydrogen energy drone hydrogenation device based on solar power generation and hydrogen production.

[0006] A solar power supply module is provided, the solar power supply module includes a solar panel and a battery electrically connected to the solar panel,

[0007] A hydrogen production module is provided. The hydrogen production module includes a water storage container, in which a liquid level sensor and a liquid pump are arranged. The output end of the liquid pump is connected to the filling port of the hydrogen generator through a pipeline. The hydrogen discharge port of the hydrogen generator is connected to the intake end of a low-pressure hydrogen storage container through a pipeline equipped with a first one-way valve. The exhaust end of the low-pressure hydrogen storage container is connected to the intake end of a high-pressure hydrogen storage container equipped with a pressure sensor through a pipeline successively installed with a booster pump and a second one-way valve. An electric valve is installed at the exhaust end of the high-pressure hydrogen storage container.

[0008] An automatic docking and hydrogen refueling module for drones is provided. The automatic docking and hydrogen refueling module for drones includes an inclined parking platform. Along the inclined direction on the top surface of the parking platform, a positioning and guiding groove matching the landing gear of the drone is provided, with the upper part being "V"-shaped and the lower part being "凵"-shaped. Rollers are installed in the "凵"-shaped structure at the lower part of the positioning and guiding groove. A rigid filling pipe is installed at the low position on the top surface of the parking platform. The intake end of the rigid filling pipe is connected to the electric valve through a pipeline. A quick connector mother body is installed at the exhaust end of the rigid filling pipe. A first fixing plate is installed on the outer side surface of the rigid filling pipe. A second fixing plate is installed on the outer side surface of the ferrule of the quick connector mother body. The two ends of a first electric push rod are respectively fixed on the first fixing plate and the second fixing plate. On the other side of the second fixing plate, a funnel-shaped guiding cover is fixedly installed through a bracket. A quick connector sub-body equipped with a third one-way valve and capable of passing through the guiding cover and mating with the quick connector mother body is installed on the hydrogen storage tank of the drone. A transmissive photoelectric switch for detecting whether the quick connector sub-body passes is also provided on the top surface of the parking platform, as well as a second electric push rod. A push plate matching the cross-sectional shape of the positioning and guiding groove and used for pushing the landing gear of the drone is installed at the telescopic end of the second electric push rod.

[0009] A controller is provided. The input end of the controller is electrically connected to the liquid level sensor, the pressure sensor, and the transmissive photoelectric switch. The output end of the controller is electrically connected to the liquid pump, the hydrogen generator, the booster pump, the electric valve, the first electric push rod, and the second electric push rod.

[0010] Furthermore, the water storage container is filled with water through a water pipe connected to a water source and equipped with an electric valve powered by a battery and controlled by the controller and / or a rainwater collection tank equipped with an electric valve powered by a battery and controlled by the controller.

[0011] The beneficial effects of the present invention are as follows:

[0012] (1) Through the solar hydrogen production and automated hydrogen energy replenishment technology, the present invention provides continuous hydrogen energy support for drones, significantly extending the flight time of drones; reducing the down-time and cost of drones caused by frequent charging or battery replacement; being able to provide power support for drones in various environments, enhancing the environmental adaptability of drones; reducing the dependence on traditional fossil fuels and promoting the green development of the drone industry.

[0013] (2) The present invention sets up an automatic docking hydrogenation module for drones, uses a positioning guide groove to guide the movement of the drone, and combines with the assistance of a guide cover, so that the drone only needs to roughly land in the designated area of ​​the parking platform to ensure the precise docking of the drone's hydrogen tank with the hydrogen filling equipment, reducing the requirements for the pilot's control level and the drone's own flight control level; the first electric push rod, the second electric push rod and other related components are used to automatically complete the connection and disconnection of the pipeline between the drone's hydrogen tank and the hydrogen filling equipment. Rapid and safe docking and hydrogen filling between the drone and the hydrogen production device are achieved, and the drone's endurance and use efficiency are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a principle block diagram of the present invention;

[0015] Figure 2 This is the front view of the structure of the drone automatically docking with the hydrogenation module;

[0016] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0017] Figure 4 This is a top view of the structure of the drone automatically docking with the hydrogenation module;

[0018] Figure 5 yes Figure 4 The enlarged schematic diagram of point B in the middle;

[0019] Figure 6 It is a structural cross-sectional view of the positioning guide groove;

[0020] The meanings of the symbols in the figure are as follows:

[0021] Solar power supply module 1, solar panel 101, battery 102, hydrogen production module 2, water storage container 201, liquid level sensor 202, liquid pump 203, hydrogen generator 204, first one-way valve 205, low-pressure hydrogen storage container 206, booster pump 207, second one-way valve 208, air pressure sensor 209, high-pressure hydrogen storage container 210, electric valve 211, automatic docking hydrogenation module 3 for unmanned aerial vehicle, parking platform 301, positioning guide groove 302, roller 303, hard filling pipe 304, quick connector mother body 305, first fixing plate 306, second fixing plate 307, first electric push rod 308, guide cover 309, third one-way valve 310, quick connector sub-body 311, beam-type photoelectric switch 312, second electric push rod 313, push plate 314,

[0022] Controller 4. DETAILED DESCRIPTION

[0023] Reference Figure 1-6, this embodiment provides a hydrogen energy drone hydrogen refueling device based on solar power generation for hydrogen production,

[0024] A solar power supply module 1 is provided. The solar power supply module 1 includes a solar panel 101 and a storage battery 102 electrically connected to the solar panel 101.

[0025] A hydrogen production module 2 is provided. The hydrogen production module 2 includes a water storage container 201. A liquid level sensor 202 and a liquid pump 203 are arranged in the water storage container 201. The output end of the liquid pump 203 is connected to the filling port of a hydrogen production machine 204 through a pipeline. The hydrogen discharge port of the hydrogen production machine 204 is connected to the intake end of a low-pressure hydrogen storage container 206 through a pipeline installed with a first one-way valve 205. The exhaust end of the low-pressure hydrogen storage container 206 is connected to the intake end of a high-pressure hydrogen storage container 210 installed with a pressure sensor 209 through a pipeline successively installed with a booster pump 207 and a second one-way valve 208. An electric valve 211 is installed at the exhaust end of the high-pressure hydrogen storage container 210.

[0026] A drone automatic docking and hydrogen refueling module 3 is provided. The drone automatic docking and hydrogen refueling module 3 includes an inclined parking platform 301. The top surface of the parking platform 301 is provided with a positioning and guiding groove 302 that is "V"-shaped at the upper part and "U"-shaped at the lower part along the inclined direction and is matched with the landing gear of the drone. Rollers 303 are installed in the "U"-shaped structure at the lower part of the positioning and guiding groove 302. A rigid filling pipe 304 is installed at the low position of the top surface of the parking platform 301. The intake end of the rigid filling pipe 304 is connected to the electric valve 211 through a pipeline. A quick connector parent body 305 is installed at the exhaust end of the rigid filling pipe 304. A first fixing plate 306 is installed on the outer side surface of the rigid filling pipe 304. A second fixing plate 307 is installed on the outer side surface of the ferrule of the quick connector parent body 305. The two ends of a first electric push rod 308 are respectively fixed on the first fixing plate 306 and the second fixing plate 307. A funnel-shaped guiding cover 309 is fixedly installed on the other side of the second fixing plate 307 through a bracket. A quick connector sub-body 311 installed with a third one-way valve 310 that can pass through the guiding cover 309 and be paired with the quick connector parent body 305 is installed on the hydrogen storage tank of the drone. A pair of photoelectric switches 312 for detecting whether the quick connector sub-body 311 passes through and a second electric push rod 313 are also provided on the top surface of the parking platform 301. A push plate 314 that is matched with the cross-sectional shape of the positioning and guiding groove 302 and is used to push the landing gear of the drone is installed at the telescopic end of the second electric push rod 313.

[0027] A controller 4 is provided. The input end of the controller 4 is electrically connected to the liquid level sensor 202, the pressure sensor 209, and the pair of photoelectric switches 312. The output end of the controller 4 is electrically connected to the liquid pump 203, the hydrogen production machine 204, the booster pump 207, the electric valve 211, the first electric push rod 308, and the second electric push rod 313.

[0028] Furthermore, the water storage container 201 is filled with water through a water pipe connected to a water source and / or a rainwater collection tank equipped with an electric valve 211 powered by a battery 102 and controlled by a controller 4. When the liquid level sensor 202 detects that the water level in the water storage container 201 is too low, the controller 4 controls the electric valve 211 to open and fill the water. When the water level reaches a high level, the controller 4 controls the electric valve 211 to close.

[0029] In particular, in this embodiment, the devices and components used are all existing technologies, and the installation, assembly, and coordinated use of the devices and components are also based on the technologies known to those skilled in the art. This embodiment does not involve improvements to the devices and components themselves.

[0030] For the solar power supply module 1 and the hydrogen production module 2, the specific installation position of each device is not limited. Those skilled in the art can adjust the installation position of each device accordingly according to the actual situation, but it is necessary to ensure that each device complies with the mutual relationship recorded in this embodiment.

[0031] In addition, for this embodiment, all equipment must be grounded, or attached with anti-static coating, or installed with static electricity elimination equipment, etc., so as to eliminate static electricity; for non-waterproof equipment, it is necessary to install a waterproof casing or adopt other well-known methods to waterproof it; for equipment that needs heat dissipation, it is necessary to install a cooling fan, heat dissipation holes or adopt other well-known methods to dissipate heat; for each device whose operation is easily affected by the ambient temperature, additional auxiliary equipment such as air conditioners that can perform temperature regulation should be installed; each equipment, pipeline, valve, etc. should use a suitable model to avoid damage due to excessive pressure.

[0032] Based on the content of this embodiment, the working principle of this embodiment is further described below:

[0033] The solar power supply module 1 is used to supply power to various electrical appliances. If necessary, a solar controller can be installed to ensure the normal charging of the battery 102. Similarly, the battery 102 can also be equipped with inverters, transformers and other equipment according to the conditions of the electrical appliances, so as to ensure the normal operation of the electrical appliances.

[0034] The hydrogen production module 2 is used to produce hydrogen. Specifically, when the pressure sensor 209 detects that the pressure in the high-pressure hydrogen storage container 210 is insufficient and the liquid level sensor 202 detects that the liquid level in the water storage container 201 is normal, the controller 4 controls the liquid pump 203 to work, pumps water to the water injection port of the hydrogen generator 204, and the controller 4 simultaneously controls the hydrogen generator 204 to operate. The hydrogen produced is temporarily stored in the low-pressure hydrogen storage container 206 through the first one-way valve 205, and then the controller 4 controls the booster pump 207 to work to pressurize the hydrogen in the low-pressure hydrogen storage container 206. The high-pressure hydrogen is stored in the high-pressure hydrogen storage container 210 through the second one-way valve 208. Until the pressure in the high-pressure hydrogen storage container 210 reaches the preset value, the hydrogen production module 2 pauses working.

[0035] The automatic docking and hydrogen refueling module 3 for drones is used to guide the drones to land precisely and refuel the drones. Specifically, since the upper part of the positioning guide groove 302 is a "V" - shaped structure, the drone operator only needs to control the drone to land roughly within the specified area on the landing platform 301, which can ensure that the landing gear of the drone slides into the "U" - shaped structure at the lower part of the positioning guide groove 302 and sits on the roller 303, thus reducing the requirement for the accuracy of the drone landing position. Also, because the landing platform 301 is inclined, the drone moves along the positioning guide groove 302 towards the quick - coupling parent body 305. When the opposed - type photoelectric switch 3012 detects the quick - coupling sub - body 311 on the drone hydrogen tank, the controller 4 controls the first electric push rod 308 to work, driving the ferrule on the quick - coupling parent body 305 to move to achieve unlocking. Then, the quick - coupling sub - body 311 passes through the guiding cover 309 and docks with the quick - coupling parent body 305. The positioning guide groove 302 and the guiding cover 309 cooperate to ensure the accurate docking of the quick - coupling sub - body 311 and the quick - coupling parent body 305. After a certain time, the controller 4 controls the first electric push rod 308 to reset to lock the quick - coupling sub - body 311 and the quick - coupling parent body 305. Then, the controller 4 controls the electric valve 211 to open, and the high - pressure hydrogen in the high - pressure hydrogen storage container 210 enters the drone hydrogen tank through the rigid filling pipe 304, quick - coupling parent body 305, quick - coupling sub - body 311, and the third one - way valve 310. When the pressure sensor 209 detects that the pressure in the high - pressure hydrogen storage container 210 is too low or the pressure is stable for a long time, the hydrogen refueling operation ends. The controller 4 controls the electric valve 211 to close, the first electric push rod 308 works to unlock the quick - coupling sub - body 311 and the quick - coupling parent body 305, and then the second electric push rod 313 works, pushing the drone through the push plate 314 to separate the quick - coupling sub - body 311 from the quick - coupling parent body 305 until the opposed - type photoelectric switch 3012 detects that the quick - coupling sub - body 311 on the drone hydrogen tank has passed, and the drone takes off, and the second electric push rod 313 resets.

Claims

1. A hydrogen energy drone hydrogen refueling device based on solar power generation for hydrogen production, characterized in that a solar power supply module (1) is provided, and the solar power supply module (1) includes a solar panel (101) and a storage battery (102) electrically connected to the solar panel (101). a hydrogen production module (2) is provided, and the hydrogen production module (2) includes a water storage container (201). A liquid level sensor (202) and a liquid pump (203) are arranged in the water storage container (201). The output end of the liquid pump (203) is connected to the filling port of a hydrogen production machine (204) through a pipeline. The hydrogen discharge port of the hydrogen production machine (204) is connected to the intake end of a low-pressure hydrogen storage container (206) through a pipeline installed with a first one-way valve (205). The exhaust end of the low-pressure hydrogen storage container (206) is connected to the intake end of a high-pressure hydrogen storage container (210) provided with a pressure sensor (209) through a pipeline successively installed with a booster pump (207) and a second one-way valve (208). An electric valve (211) is installed at the exhaust end of the high-pressure hydrogen storage container (210). a drone automatic docking and hydrogen refueling module (3) is provided, and the drone automatic docking and hydrogen refueling module (3) includes an inclined parking platform (301). A positioning and guiding groove (302) matching the landing gear of the drone is arranged on the top surface of the parking platform (301) along the inclined direction, with the upper part being "V"-shaped and the lower part being "凵"-shaped. A roller (303) is installed in the "凵"-shaped structure at the lower part of the positioning and guiding groove (302). A rigid filling pipe (304) is installed at the low position on the top surface of the parking platform (301). The intake end of the rigid filling pipe (304) is connected to the electric valve (211) through a pipeline. A quick connector mother body (305) is installed at the exhaust end of the rigid filling pipe (304). A first fixing plate (306) is installed on the outer side surface of the rigid filling pipe (304). A second fixing plate (307) is installed on the outer side surface of the ferrule of the quick connector mother body (305). Both ends of a first electric push rod (308) are fixed to the first fixing plate (306) and the second fixing plate (307) respectively. A funnel-shaped guiding cover (309) is fixedly installed on the other side of the second fixing plate (307) through a bracket. A quick connector sub-body (311) capable of passing through the guiding cover (309) and mating with the quick connector mother body (305) and provided with a third one-way valve (310) is installed on the hydrogen storage tank of the drone. A pair of photoelectric switches (312) for detecting whether the quick connector sub-body (311) passes through is also arranged on the top surface of the parking platform (301), and a second electric push rod (313). A push plate (314) matching the cross-sectional shape of the positioning and guiding groove (302) and used for pushing the landing gear of the drone is installed at the telescopic end of the second electric push rod (313). a controller (4) is provided, and the input end of the controller (4) is electrically connected to the liquid level sensor (202), the pressure sensor (209), and the pair of photoelectric switches (312). The output end of the controller (4) is electrically connected to the liquid pump (203), the hydrogen production machine (204), the booster pump (207), the electric valve (211), the first electric push rod (308), and the second electric push rod (313).

2. The hydrogen energy drone hydrogenation device based on solar power generation and hydrogen production according to claim 1 is characterized in that: The water storage container (201) is filled with water through a water pipe connected to a water source and equipped with an electric valve (211) powered by a battery (102) and controlled by a controller (4) and / or a rainwater collection tank equipped with an electric valve (211) powered by a battery (102) and controlled by a controller (4).

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