CN210912896U

CN210912896U - Hybrid unmanned aerial vehicle

Info

Publication number: CN210912896U
Application number: CN201922065396.9U
Authority: CN
Inventors: 王亮; 张立; 邢振林; 艾剑良; 龚帮民
Original assignee: Fudan University
Current assignee: Fudan University
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-03
Anticipated expiration: 2029-11-26

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

Hybrid unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field, especially a hybrid unmanned aerial vehicle.

Background

In recent years, the market for unmanned aerial vehicles has developed rapidly, and as one of unmanned aerial vehicles, a multi-rotor unmanned aerial vehicle is an unmanned aerial vehicle having three and more rotor shafts. It is rotated by a motor on each shaft, driving the rotor, thereby generating lift. The collective pitch of the rotors is fixed and not variable as in a typical helicopter. Through changing the relative speed between the different rotors, the size of unipolar propulsive force can be changed to the orbit of control aircraft. The multi-rotor unmanned aerial vehicle can take off and land vertically, hover freely, be controlled flexibly and adapt to various environment and have strong ability and the like, and is accepted by the market. At present many rotor unmanned aerial vehicle mainly use electronically as leading, however, there are shortcomings such as energy density is low and life is short in the lithium cell, has seriously restricted its in the development in fields such as electric power cruise, logistics transportation, public security fire control, agricultural plant protection, survey and drawing.

The utility model discloses a CN206520748U "discloses a many rotor unmanned aerial vehicle of oil-electricity hybrid, including the unmanned aerial vehicle host computer, four at least rotors and screw, the one end of rotor is fixed on the unmanned aerial vehicle host computer, the motor is installed to the other end, the screw is connected on the motor, be fixed with oil-electricity hybrid generator and ECU chip on the unmanned aerial vehicle host computer, oil-electricity hybrid generator includes fuel engine, the generator of being connected with the fuel engine output, the motor is connected to an output of generator, stand-by power supply is connected to another output, the ECU chip passes through throttle signal and is connected with oil-electricity hybrid engine. The hybrid power engine of unmanned aerial vehicle carried on drives the generator electricity generation through fuel engine, and an electric energy is used for charging for stand-by power supply, when needs meet emergency, is its supplementary electric energy by stand-by power supply, and two kinds of energy-conserving modes combine, have increased unmanned aerial vehicle duration. However, the patent uses fuel oil to generate electricity, and has the following disadvantages: 1. the fuel cost is high, and the flight cost of the unmanned aerial vehicle is increased; 2. the fuel oil is heavy, so that the weight of the unmanned aerial vehicle is increased, and the flying cost is further increased; 3 the fuel oil power generation can cause air pollution to a certain extent and is not beneficial to environmental protection.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model provides a hybrid unmanned aerial vehicle utilizes natural gas energy and solar energy to generate electricity jointly, for unmanned aerial vehicle provides the energy supply, and is energy-concerving and environment-protective, reduces unmanned aerial vehicle's flight cost to unmanned aerial vehicle's duration has been increased.

The technical scheme of the utility model is that:

a hybrid unmanned aerial vehicle comprises a main body and a rotor wing mechanism, wherein the rotor wing mechanism comprises a motor and paddles, a power supply device of the motor comprises a generator, a solar photovoltaic panel and a storage battery, the generator is driven by a gas supply device to generate electricity, the gas supply device comprises a gas storage tank and a gas pump, the front end and the rear end of the main body are respectively provided with a front connecting frame and a rear connecting frame, the gas storage tank is fixed on the front connecting frame, the rotor wing mechanism further comprises a pair of connecting shafts and fixing seats arranged on the connecting shafts, the gas pump and the generator are fixed on the fixing seats, the gas storage tank is used for storing natural gas, the gas storage tank is connected with the gas pump through a gas pipe, the gas pump is connected; the solar photovoltaic panel is arranged on the upper surface of the main body, the storage battery is fixed on the rear connecting frame, the generator and the solar photovoltaic panel are respectively electrically connected with the storage battery, part of generated electric energy is stored in the storage battery, and the generator and the storage battery are respectively electrically connected with the motor to provide power supply for the motor.

The air storage tank is provided with an inflation inlet, the inflation inlet is connected with an inflation pipeline, and the inflation pipeline is provided with a valve.

The storage battery is a rechargeable lithium battery.

The main part is internally provided with a single chip microcomputer which is used for being in wireless connection with a remote control system, and the generator and the storage battery are respectively and electrically connected with the single chip microcomputer to supply power for the single chip microcomputer.

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

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

The upper end and the lower end of the fixing seat are both 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-8 cm.

The utility model discloses a hybrid unmanned aerial vehicle's power supply mechanism includes generator, solar photovoltaic board and battery, and the generator drives the electricity generation by air feeder, and air feeder includes gas holder and air pump, and the gas holder is used for storing the natural gas. As a main power supply source, the generator converts natural gas into alternating current, and the alternating current is converted into direct current and stored in the storage battery. As a supplementary power supply source, under the conditions of sunny day and sufficient sunlight, the solar photovoltaic panel can convert solar energy into electric energy and store the electric energy in the storage battery. The battery provides power supply for unmanned aerial vehicle's motor, guarantees that unmanned aerial vehicle can last normal work. The gas generator has the advantages of high reliability, good power generation quality, light weight, small volume and the like, the power generation cost is low, the operation cost of the unmanned aerial vehicle is reduced, and the gas generator is safe and environment-friendly and does not produce atmospheric pollution. Solar energy power generation is as the supplementary of gas power generation, can make full use of unmanned aerial vehicle flight in the air's advantage, and the solar energy that will be abundant turns into the electric energy, not only can provide dual electric energy guarantee for unmanned aerial vehicle, guarantees that unmanned aerial vehicle can last stable normal operating, and energy-concerving and environment-protective, environmental protection.

Drawings

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

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

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Referring to fig. 1, the utility model discloses a hybrid unmanned aerial vehicle, including main part 10 and rotor mechanism, rotor mechanism includes connecting axle 28, fixing base 29, motor 21 and paddle 22, and connecting axle 28 is a pair of, fixes in the left and right sides of main part 10, and fixing base 29 sets up at connecting axle 28 tip, and the upper and lower end of fixing base 29 all is provided with paddle 22. The front and rear ends of the main body 10 are respectively provided with a front connection frame 11 and a rear connection frame 12. The power supply unit of the motor 21 comprises a generator 23, a solar photovoltaic panel 24 and a storage battery 25, the generator 23 is driven by a gas supply device to generate electricity, the gas supply device comprises a gas storage tank 26 and a gas pump 27, the gas storage tank 26 is fixed on the front connecting frame 11, the gas storage tank 26 is used for storing natural gas, the storage battery 25 is fixed on the rear connecting frame 12 through a mounting frame and mounting screws, and the storage battery 25 is convenient to detach. The air pump 27 and the generator 23 are respectively fixed outside the fixing seats 29 at both sides, and the solar photovoltaic panel 24 is arranged on the upper surface of the main body 10. For moving convenience, the lower ends of the front connecting frame 11 and the rear connecting frame 12 are provided with rollers 13.

Referring to fig. 2, the gas storage tank 26 is connected to the gas pump 27 through the gas pipe 30, the gas pump 27 is connected to the generator 23 through the gas pipe 30, and the gas pump 27 pumps out the natural gas in the gas storage tank 26 and conveys the natural gas to the generator 23 to generate electricity by using the natural gas. In order to conveniently inject natural gas into the gas storage tank 26, a charging port is arranged on the gas storage tank 26, the charging port is connected with a charging pipeline 261, and a valve 262 is arranged on the charging pipeline 261. In addition, as unmanned aerial vehicle's signal connection carrier, set up singlechip 14 in the main part 10, singlechip 14 and remote control system 15 wireless connection receive the operating instruction that remote control system 15 sent to each item data that will unmanned aerial vehicle 10 gather convey remote control system 15 with wireless mode, as two-way dotted arrow D1 in the figure, D2 shows. As a main power supply mode of the unmanned aerial vehicle, the generator 23 is directly electrically connected with the motor 21 and the single chip 14 to directly provide power supply for the motor and the single chip, as shown by an arrow F, G in the figure.

The gas generator has the following advantages: 1, the power generation quality is good, the output power range is wide, the electric regulation reaction speed is high, the work is stable, the precision of output voltage and frequency is high, the fluctuation is small, and the electric performance index is superior to that of a diesel generator set; 2. the starting performance is good, the starting success rate is high, the time from the successful cold starting to the full load is only 30 seconds, the starting success rate can be ensured under any environmental temperature and climate, and for the unmanned aerial vehicle which needs to operate under complex working conditions of different environments, temperatures and the like, the gas generator can ensure the starting success rate to the maximum extent and ensure the normal operation of the unmanned aerial vehicle; 3. the natural gas has light weight and small volume, so that the load of the unmanned aerial vehicle is reduced, and the flying cost of the unmanned aerial vehicle is reduced; 4. the noise is low, the vibration is small, and the low-frequency noise is superior to a diesel generating set, so that the noise pollution is not generated; 5. the adopted combustible gas is clean and cheap energy, does not produce atmospheric pollution, and is energy-saving and environment-friendly.

Further, in order to provide uninterruptible power supply for the unmanned aerial vehicle and improve the endurance mileage of the unmanned aerial vehicle, the generator 23 and the solar photovoltaic panel 24 are electrically connected to the storage battery 25, respectively, and part of generated electric energy is stored in the storage battery 25 to charge the storage battery 25, as shown by an arrow A, B in the figure. The battery 25 is a rechargeable lithium battery that stores a portion of the electrical energy. The storage battery 25 is electrically connected with the motor 21, the single-chip microcomputer 14 and the air pump 27, as shown by an arrow C, E, H in the figure, on one hand, the storage battery 25 provides power supply for normal operation of the air pump 27, and on the other hand, under the condition that the generator 23 cannot provide power supply, the storage battery provides power supply for the motor 21 and the single-chip microcomputer 14, and the cruising range of the unmanned aerial vehicle is prolonged.

Finally, in order to avoid influencing other components of the unmanned aerial vehicle, the distances between the blades 22 and the front connecting frame 11 and between the blades and the rear connecting frame 12 are both 6cm-8 cm. 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.

The utility model discloses a hybrid unmanned aerial vehicle utilizes natural gas energy and solar energy to generate electricity jointly, for unmanned aerial vehicle provides the energy supply, guarantees that unmanned aerial vehicle can continuously stabilize normal operating, has increased unmanned aerial vehicle's duration. Gas power generation and solar energy power generation are energy-concerving and environment-protective, and the environmental protection reduces unmanned aerial vehicle's flight cost.

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

Claims

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.