CN210912896U - Hybrid unmanned aerial vehicle - Google Patents

Abstract

The utility model relates to a hybrid unmanned aerial vehicle, including main part and rotor mechanism, rotor mechanism includes motor and paddle, the power supply unit of motor includes the generator, solar photovoltaic board and battery, the generator drives the electricity generation by air feeder, air feeder includes gas holder and air pump, preceding of main part, link and back link before the rear end sets up respectively, the gas holder is fixed in the front on the link, air pump and generator are fixed on the fixing base, the gas holder of storing the natural gas passes through the trachea and connects the air pump, the air pump passes through the trachea and connects the generator, solar photovoltaic board sets up in the upper surface of main part, the battery is fixed on the link of back, the generator, solar photovoltaic board is connected with the electrical connections battery respectively, the generator, the battery is connected with the motor electricity respectively. This hybrid unmanned aerial vehicle utilizes natural gas energy and solar energy to generate electricity jointly, for unmanned aerial vehicle provides the energy supply, guarantees unmanned aerial vehicle continuous operation, has increased unmanned aerial vehicle's duration. Energy conservation, environmental protection and environmental protection.

Description

a hybrid drone

technical field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a hybrid unmanned aerial vehicle.

Background technique

In recent years, the drone market has developed rapidly. As one of the drones, multi-rotor drones are drones with three or more rotor axes. It is rotated by the motor on each shaft to drive the rotor, thereby generating lift and thrust. The collective pitch of the rotors is fixed, not variable like a typical helicopter. By changing the relative rotational speed between different rotors, the magnitude of the single-axis propulsion force can be changed, thereby controlling the trajectory of the aircraft. Multi-rotor UAVs have been recognized by the market for their advantages of vertical take-off and landing, free hovering, flexible control and strong ability to adapt to various environments. At present, multi-rotor UAVs are mainly electric. However, lithium batteries have shortcomings such as low energy density and short service life, which seriously restrict their development in the fields of electric cruise, logistics and transportation, public security and fire protection, agricultural plant protection, surveying and mapping.

The utility model patent with the publication number of CN206520748U" discloses an oil-electric hybrid multi-rotor unmanned aerial vehicle, comprising an unmanned aerial vehicle host, at least four rotors and propellers, one end of the rotor is fixed on the unmanned aerial vehicle host, and the other end is fixed on the unmanned aerial vehicle host. A motor is installed, the propeller is connected to the motor, and a gasoline-electric hybrid generator and an ECU chip are fixed on the drone host. The gasoline-electric hybrid generator includes a fuel engine, a generator connected to the output end of the fuel engine, and the generator's One output end is connected to the motor, the other output end is connected to the backup power supply, and the ECU chip is connected to the gasoline-electric hybrid engine through the accelerator signal. The gasoline-electric hybrid engine mounted on the drone drives the generator to generate electricity through the fuel engine. It is used to charge the backup power supply. When it needs to encounter emergencies, the backup power supply will supplement its electric energy. The combination of the two energy-saving methods increases the battery life of the drone. However, the patent uses fuel to generate electricity, which has the following disadvantages: 1 . The fuel cost is high, which increases the flight cost of the drone; 2. The fuel weight is heavier, which increases the weight of the drone and further increases the flight cost; 3. Fuel power generation will cause air pollution to a certain extent, and it will not Conducive to the protection of the environment.

Utility model content

In view of the above deficiencies, the utility model provides a hybrid unmanned aerial vehicle, which utilizes natural gas energy and solar energy to generate electricity together, provides energy supply for the unmanned aerial vehicle, saves energy and protects the environment, reduces the flying cost of the unmanned aerial vehicle, and increases the number of unmanned aerial vehicles. of battery life.

The technical scheme of the present utility model is:

A hybrid drone includes a main body and a rotor mechanism, the rotor mechanism includes a motor and blades, a power supply device for the motor includes a generator, a solar photovoltaic panel and a battery, and the generator is driven by an air supply device to generate electricity , the air supply device includes an air storage tank and an air pump, the front and rear ends of the main body are respectively provided with a front connection frame and a rear connection frame, the air storage tank is fixed on the front connection frame, and the rotor mechanism also includes a For the connecting shaft and the fixing seat arranged on the connecting shaft, the air pump and the generator are fixed on the fixing seat, the gas storage tank is used to store natural gas, the gas storage tank is connected to the air pump through the gas pipe, and the air pump is connected to generate electricity through the gas pipe The generator is used to generate electricity by using natural gas; the solar photovoltaic panel is arranged on the upper surface of the main body, the battery is fixed on the rear connection frame, and the generator and the solar photovoltaic panel are respectively electrically connected to the battery to generate electricity. Part of the electrical energy of the generator is stored in the battery, and the generator and the battery are respectively electrically connected to the motor to provide power supply for the motor.

The gas storage tank is provided with an inflation port, the inflation port is connected with an inflation pipeline, and a valve is arranged on the inflation pipeline.

The storage battery is a rechargeable lithium battery.

A single-chip microcomputer is arranged in the main body, and the single-chip microcomputer is used for wireless connection with the remote control system, and the generator and the storage battery are respectively electrically connected with the single-chip microcomputer to provide power supply for the single-chip microcomputer.

The lower ends of the front connecting frame and the rear connecting frame are provided with rollers.

The distances between the paddles and the front connecting frame and the rear connecting frame are both 6cm-8cm.

The upper and lower ends of the fixing seat are provided with paddles, and the distance between the paddle at the upper end of the fixing seat and the upper end of the main body and the distance between the paddle at the lower end of the fixing seat and the lower end of the main body are both 6cm-8cm.

The power supply mechanism of the hybrid drone of the utility model includes a generator, a solar photovoltaic panel and a battery. The generator is driven by an air supply device to generate electricity. The air supply device includes an air storage tank and an air pump, and the air storage tank is used to store natural gas. As the main source of power, generators convert natural gas into alternating current, which is converted into direct current and stored in batteries. As a supplementary source of power, solar photovoltaic panels can convert solar energy into electricity, which is also stored in batteries, during the day when the weather is fine and sunny. The battery provides power supply for the motor of the drone to ensure that the drone can continue to work normally. Gas generators have the advantages of high reliability, good power generation quality, light weight, small size, low power generation cost, lower operating costs of drones, and are safe and environmentally friendly, and do not produce air pollution. As a supplement to gas-fired power generation, solar power generation can make full use of the advantages of drones flying in the air and convert abundant solar energy into electrical energy, which can not only provide dual power guarantees for drones, but also ensure that drones can continue to operate stably and normally. , and save energy and protect the environment.

Description of drawings

1 is a perspective view of a hybrid unmanned aerial vehicle of the present invention;

FIG. 2 is a schematic diagram of the connection of the power supply device and the gas supply device of the present invention.

Detailed ways

The concept, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Referring to FIG. 1, a hybrid drone of the present invention includes a main body 10 and a rotor mechanism. The rotor mechanism includes a connecting shaft 28, a fixed seat 29, a motor 21 and a paddle 22. The connecting shafts 28 are a pair and are fixed on the On the left and right sides of the main body 10 , a fixed seat 29 is provided at the end of the connecting shaft 28 , and the upper and lower ends of the fixed seat 29 are provided with paddles 22 . The front and rear ends of the main body 10 are respectively provided with a front connecting frame 11 and a rear connecting frame 12 . The power supply device of the motor 21 includes a generator 23, a solar photovoltaic panel 24 and a battery 25. The generator 23 is driven by an air supply device to generate electricity. The air supply device includes an air storage tank 26 and an air pump 27. The air storage tank 26 is fixed on the front connecting frame 11. On the upper side, the gas storage tank 26 is used to store natural gas, and the battery 25 is fixed on the rear connecting frame 12 with a mounting bracket and mounting screws, so that the battery 25 can be easily disassembled. The air pump 27 and the generator 23 are respectively fixed on the outer sides of the fixing bases 29 on both sides, and the solar photovoltaic panel 24 is arranged on the upper surface of the main body 10 . In order to facilitate the movement, the lower ends of the front connecting frame 11 and the rear connecting frame 12 are provided with rollers 13 .

2, the gas storage tank 26 is connected to the gas pump 27 through the gas pipe 30, and the gas pump 27 is connected to the generator 23 through the gas pipe 30. In order to facilitate the injection of natural gas into the gas storage tank 26 , the gas storage tank 26 is provided with an inflation port, the inflation port is connected to the inflation pipeline 261 , and a valve 262 is arranged on the inflation pipeline 261 . In addition, as the signal connection carrier of the drone, the main body 10 is provided with a single-chip microcomputer 14. The single-chip microcomputer 14 is wirelessly connected to the remote control system 15, receives the operation instructions sent by the remote control system 15, and stores various data collected by the drone 10. It is transmitted to the remote control system 15 in a wireless manner, as shown by the two-way dashed arrows D1 and D2 in the figure. As the main power supply method of the drone, the generator 23 is directly electrically connected to the motor 21 and the single-chip microcomputer 14 to directly provide power supply for the two, as shown by arrows F and G in the figure.

Gas generators have the following advantages: 1. Good power generation quality, wide output power range, fast ESC response, stable operation, high accuracy of output voltage and frequency, small fluctuations, better than the electrical performance indicators of diesel generator sets; 2. Startup Good performance, high startup success rate, the time from cold startup to full load is only 30 seconds, and the startup success rate can be guaranteed under any ambient temperature and climate. For equipment with complex working conditions such as environment and temperature, the gas generator can maximize the startup success rate and ensure the normal operation of the drone; 3. Natural gas is light in weight and small in size, which reduces the load of the drone and reduces The flight cost of man-machine; 4. Low noise, low vibration, and low-frequency noise is better than that of diesel generator sets, without noise pollution; 5. The combustible gas used is clean and cheap energy, does not produce air pollution, energy saving .

Further, in order to provide the uninterruptible power supply for the drone and improve the cruising range of the drone, the generator 23 and the solar photovoltaic panel 24 are respectively electrically connected to the battery 25, and part of the generated electrical energy is stored in the battery 25, which is a battery. 25 Charge, as shown by arrows A and B in the figure. The storage battery 25 is a rechargeable lithium battery, which can store a part of electric energy. The battery 25 is electrically connected to the motor 21, the single-chip 14, and the air pump 27, as shown by arrows C, E, and H in the figure. On the one hand, the battery 25 provides power supply for the normal operation of the air pump 27. In the case of providing power supply, power supply is provided for the motor 21 and the single-chip microcomputer 14 to extend the cruising range of the drone.

Finally, in order to avoid affecting other components of the drone, the distances between the blades 22 and the front connecting frame 11 and the rear connecting frame 12 are both 6cm-8cm. The distance between the paddle 22 at the upper end of the fixing seat 29 and the upper end of the main body 10 and the distance between the paddle 22 at the lower end of the fixing seat 29 and the lower end of the main body 10 are both 6cm-8cm.

The hybrid unmanned aerial vehicle of the utility model utilizes natural gas energy and solar energy to generate electricity together, provides energy supply for the unmanned aerial vehicle, ensures that the unmanned aerial vehicle can run stably and normally, and increases the endurance time of the unmanned aerial vehicle. Gas power generation and solar power generation are energy-saving and environmentally friendly, protect the environment, and reduce the flight cost of drones.

The above disclosure is only an embodiment of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a hybrid unmanned aerial vehicle, includes main part (10) and rotor mechanism, rotor mechanism includes motor (21) and paddle (22), its characterized in that, the power supply unit of motor (21) includes generator (23), solar photovoltaic board (24) and battery (25), generator (23) are driven the electricity generation by air feeder, air feeder includes gas holder (26) and air pump (27), the preceding, the rear end of main part (10) set up preceding link (11) and back link (12) respectively, gas holder (26) are fixed in the front on link (11), rotor mechanism still includes a pair of connecting axle (28) and sets up fixing base (29) on connecting axle (28), air pump (27) and generator (23) are fixed on fixing base (29), gas holder (26) are used for storing the natural gas, the gas storage tank (26) is connected with a gas pump (27) through a gas pipe (30), the gas pump (27) is connected with a generator (23) through the gas pipe (30), and the generator (23) is used for generating power by using natural gas; the solar photovoltaic panel (24) is arranged on the upper surface of the main body (10), the storage battery (25) is fixed on the rear connecting frame (12), the generator (23) and the solar photovoltaic panel (24) are respectively electrically connected with the storage battery (25), part of generated electric energy is stored in the storage battery (25), and the generator (23) and the storage battery (25) are respectively electrically connected with the motor (21) to supply power for the motor (21).

2. Hybrid unmanned aerial vehicle according to claim 1, characterized in that, be provided with the inflation inlet on the gas holder (26), the inflation inlet is connected with inflation pipeline (261), set up valve (262) on inflation pipeline (261).

3. Hybrid unmanned aerial vehicle according to claim 1, characterized in that the battery (25) is a rechargeable lithium battery.

4. The hybrid unmanned aerial vehicle of claim 1, wherein a single-chip microcomputer (14) is arranged in the main body (10), the single-chip microcomputer (14) is used for being wirelessly connected with a remote control system (15), and the generator (23) and the storage battery (25) are respectively electrically connected with the single-chip microcomputer (14) to supply power to the single-chip microcomputer (14).

5. Hybrid unmanned aerial vehicle according to claim 1, characterized in that the lower ends of the front and rear attachment frames (11, 12) are provided with rollers (13).

6. Hybrid unmanned aerial vehicle according to claim 1, characterized in that the distance between the blade (22) and both the front attachment frame (11) and the rear attachment frame (12) is 6-8 cm.

7. The hybrid unmanned aerial vehicle of claim 1, wherein the upper end and the lower end of the fixing seat (29) are provided with paddles (22), and the distance between the paddle (22) at the upper end of the fixing seat (29) and the upper end of the main body (10) and the distance between the paddle (22) at the lower end of the fixing seat (29) and the lower end of the main body (10) are both 6cm-8 cm.

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