CN103580280B - A kind of four rotor Mini Tele-Copter energy mix feed systems - Google Patents

A kind of four rotor Mini Tele-Copter energy mix feed systems Download PDF

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Publication number
CN103580280B
CN103580280B CN201310586790.1A CN201310586790A CN103580280B CN 103580280 B CN103580280 B CN 103580280B CN 201310586790 A CN201310586790 A CN 201310586790A CN 103580280 B CN103580280 B CN 103580280B
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switch
circuit
combustion engine
control circuit
internal combustion
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CN103580280A (en
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张亚欧
李铮
夏蔚文
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Shanghai Jiao Tong University
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Shanghai Jiao Tong University
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Abstract

The present invention relates to a kind of four rotor Mini Tele-Copter energy mix feed systems, this system is connected with the brushless electric machine of helicopter by electron speed regulator, described energy mix feed system comprises internal combustion engine, energy distribution subsystem, charging circuit, reserve battery, control circuit, first on-off switch and the second on-off switch, described internal combustion engine is connected with energy distribution subsystem, described energy distribution subsystem respectively with charging circuit, control circuit, first on-off switch connects, described charging circuit, reserve battery, second on-off switch connects successively, described control circuit respectively with charging circuit, first on-off switch is connected with the second on-off switch, the first described on-off switch is connected with electron speed regulator respectively with the second on-off switch.Compared with prior art, the present invention has the airborne period that effectively can extend four rotor unmanned helicopters, has the advantages such as important engineer applied value.

Description

A kind of four rotor Mini Tele-Copter energy mix feed systems
Technical field
The present invention relates to a kind of energy supplyystem, especially relate to a kind of four rotor Mini Tele-Copter energy mix feed systems.
Background technology
In recent years, Mini Tele-Copter is widely used in multiple fields such as military surveillance, commercial communication, weather monitoring, geological prospectings.And small-sized four-rotor helicopter receives close concern with control mode flexibly in unmanned plane research field because of the performance of its excellence.SUAV is divided into electric drive and fuel oil to drive two kinds of forms both at home and abroad at present.But because the movement control mode of the special construction of small-sized four-rotor helicopter and highly coupling, being difficult to use the single fuel engines that system responses is complicated and operating state is more unstable to drive, is that the most small-sized four-rotor helicopter of event all uses lithium battery as power supply.But because the progress of battery technology is slow, increasing considerably of the weight that high capacity cell brings, volume and cost, make receive very big restriction all the time the cruising time of small-sized four-rotor helicopter, also in the application of some occasions, very large inconvenience and limitation are caused to it.
Use internal-combustion engine drives electrical power generators, and finally provide the mode of power by motor for equipment, on diesel locomotive and conventionally powered submarines, at the beginning of last century, just have the quite application of maturation.The application of above-mentioned energy-provision way on SUAV, Abroad in Recent Years scholar there has been correlative study, and has carried out a series of experiment and analysis, demonstrates the superiority of hybrid power scheme.But, the application of internal-combustion engine drives generator powered mode on small-sized fixed wing aircraft is mainly all paid close attention in above-mentioned research, about helicopter, the problem of the dynamical system of especially small-sized four-rotor helicopter is not almost mentioned, domestic relevant theoretical and experimental study is also blank out.Therefore, be that four rotor Mini Tele-Copters are set up a kind of hybrid power supply scheme and had important engineer applied and be worth.
Summary of the invention
Object of the present invention is exactly provide a kind of four rotor Mini Tele-Copter energy mix feed systems to overcome defect that above-mentioned prior art exists, effectively can extend the airborne period of four rotor unmanned helicopters, have important engineer applied and be worth.
Object of the present invention can be achieved through the following technical solutions:
A kind of four rotor Mini Tele-Copter energy mix feed systems, this system is connected with the brushless electric machine of helicopter by electron speed regulator, it is characterized in that, described energy mix feed system comprises internal combustion engine, energy distribution subsystem, charging circuit, reserve battery, control circuit, first on-off switch and the second on-off switch, described internal combustion engine is connected with energy distribution subsystem, described energy distribution subsystem respectively with charging circuit, control circuit, first on-off switch connects, described charging circuit, reserve battery, second on-off switch connects successively, described control circuit respectively with charging circuit, first on-off switch is connected with the second on-off switch, the first described on-off switch is connected with electron speed regulator respectively with the second on-off switch.
Described energy distribution subsystem comprises interconnective generator and voltage stabilizing circuit, and the input of described generator is connected with internal combustion engine, and the output of described voltage stabilizing circuit is connected with charging circuit, control circuit, the first on-off switch respectively.
This energy mix feed system has two kinds of operating states:
1), when internal combustion engine normally works, directly power:
When control circuit detects that voltage stabilizing circuit exports normal, open the first on-off switch and charging circuit, close the second on-off switch simultaneously, now by internal-combustion engine drives generator directly for helicopter is powered, simultaneously to reserve battery charging to maximally utilise output power of internal combustion engine;
2) internal combustion engine flame-out or voltage stabilizing circuit lost efficacy time:
When control circuit detects circuit output end of pressure-stabilizing brownout, the first on-off switch between voltage stabilizing circuit and electron speed regulator and charging circuit are all turned off by control circuit, the second on-off switch simultaneously between reserve battery and electron speed regulator is opened by control circuit, is that helicopter is powered by reserve battery.
Described internal combustion engine is methyl alcohol quartastroke engine.
Described voltage stabilizing circuit comprises the full-bridge rectifier and DC/DC circuit that connect successively.
Described DC/DC circuit comprises non-isolated step-down switching controller.
Compared with prior art, the present invention has and greatly improves the self-contained energy and power output, effectively can extend the airborne period of unmanned plane, can help to expand unmanned plane range of application, promote the using value of unmanned plane.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of four rotor Mini Tele-Copter energy mix feed systems, this system is connected with the brushless electric machine 10 of helicopter by electron speed regulator 9, described energy mix feed system comprises internal combustion engine 1, energy distribution subsystem, charging circuit 4, reserve battery 5, control circuit 6, first on-off switch 7 and the second on-off switch 8, described internal combustion engine 1 is connected with energy distribution subsystem, described energy distribution subsystem respectively with charging circuit 4, control circuit 6, first on-off switch 7 connects, described charging circuit 4, reserve battery 5, second on-off switch 8 connects successively, described control circuit 6 respectively with charging circuit 4, first on-off switch 7 is connected with the second on-off switch 8, the first described on-off switch 7 is connected with electron speed regulator 9 respectively with the second on-off switch 8.
Described energy distribution subsystem comprises interconnective generator 2 and voltage stabilizing circuit 3, and the input of described generator 2 is connected with internal combustion engine 1, and the output of described voltage stabilizing circuit 3 is connected with charging circuit 4, control circuit 6, first on-off switch 7 respectively.
This energy mix feed system has two kinds of operating states:
1), when internal combustion engine normally works, directly power:
When control circuit 6 detects that voltage stabilizing circuit 3 exports normal, open the first on-off switch 7 and charging circuit 4, close the second on-off switch 8 simultaneously, now by internal combustion engine 1 drive electrical generators directly for helicopter is powered, simultaneously to reserve battery charging to maximally utilise output power of internal combustion engine;
2) internal combustion engine flame-out or voltage stabilizing circuit lost efficacy time:
When control circuit 6 detects that voltage stabilizing circuit 3 output end voltage is too low, the first on-off switch 7 between voltage stabilizing circuit 3 and electron speed regulator 9 and charging circuit 4 are all turned off by control circuit 6, the second on-off switch 8 simultaneously between reserve battery 5 and electron speed regulator 9 is closed, by reserve battery 5 for helicopter is powered by control circuit 6.
Described internal combustion engine is methyl alcohol quartastroke engine.The requirement of combustion motor is that weight is little, volume is little, power is sufficient, is beneficial to operation and is convenient to safeguard.Gasoline energy density is large, and therefore the gasoline engine duration is longer.Methanol Engine is light, is convenient to safeguard, power output is high, generates heat little, and advantage is also fairly obvious.Quartastroke engine is better than two-stroke internal combustion engine in power, noise, output stability etc.Experiment finds, methyl alcohol quartastroke engine is select preferably.
Be used as generator by reverse for DC brushless motor, have that weight is little, volume is little, power is sufficient, output voltage is applicable to the remarkable advantages such as common electricity tune.Described voltage stabilizing circuit comprises the full-bridge rectifier and DC/DC circuit that connect successively.The core component of described DC/DC circuit is non-isolated step-down switching controller, and advantage is that efficiency is high, it is low to generate heat, permission electric current is large, security of operation stable, noise is low, application is ripe, circuit structure is simple.
The stand-by power supply control system be made up of control circuit, reserve battery and on-off switch, for cutting off where necessary and opening corresponding on-off switch, being made helicopter be powered by reserve battery from directly being powered to transfer to by generator, being judged by comparator.
The core of charging circuit is Intelligent charging management system, this system has automatic charging management, a series of function such as temperature detection, can charging current be set, also the whole charging circuit of On/Off can be carried out simply by low and high level signal, advantage is that use is compact convenient and reliable, and controls simple.

Claims (4)

1. a rotor Mini Tele-Copter energy mix feed system, this system is connected with the brushless electric machine of helicopter by electron speed regulator, it is characterized in that, described energy mix feed system comprises internal combustion engine, energy distribution subsystem, charging circuit, reserve battery, control circuit, first on-off switch and the second on-off switch, described internal combustion engine is connected with energy distribution subsystem, described energy distribution subsystem respectively with charging circuit, control circuit, first on-off switch connects, described charging circuit, reserve battery, second on-off switch connects successively, described control circuit respectively with charging circuit, first on-off switch is connected with the second on-off switch, the first described on-off switch is connected with electron speed regulator respectively with the second on-off switch,
Described energy distribution subsystem comprises interconnective generator and voltage stabilizing circuit, and the input of described generator is connected with internal combustion engine, and the output of described voltage stabilizing circuit is connected with charging circuit, control circuit, the first on-off switch respectively;
This energy mix feed system has two kinds of operating states:
1), when internal combustion engine normally works, directly power:
When control circuit detects that voltage stabilizing circuit exports normal, open the first on-off switch and charging circuit, close the second on-off switch simultaneously, now by internal-combustion engine drives generator directly for helicopter is powered, simultaneously to reserve battery charging to maximally utilise output power of internal combustion engine;
2) internal combustion engine flame-out or voltage stabilizing circuit lost efficacy time:
When control circuit detects circuit output end of pressure-stabilizing brownout, the first on-off switch between voltage stabilizing circuit and electron speed regulator and charging circuit are all turned off by control circuit, the second on-off switch simultaneously between reserve battery and electron speed regulator is opened by control circuit, is that helicopter is powered by reserve battery.
2. a kind of four rotor Mini Tele-Copter energy mix feed systems according to claim 1, it is characterized in that, described internal combustion engine is methyl alcohol quartastroke engine.
3. a kind of four rotor Mini Tele-Copter energy mix feed systems according to claim 1, it is characterized in that, described voltage stabilizing circuit comprises the full-bridge rectifier and DC/DC circuit that connect successively.
4. a kind of four rotor Mini Tele-Copter energy mix feed systems according to claim 3, it is characterized in that, described DC/DC circuit comprises non-isolated step-down switching controller.
CN201310586790.1A 2013-11-20 2013-11-20 A kind of four rotor Mini Tele-Copter energy mix feed systems Active CN103580280B (en)

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Families Citing this family (7)

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CN104242435B (en) * 2014-09-09 2017-05-24 深圳清华大学研究院 Unmanned aerial vehicle power supply system and unmanned aerial vehicle
JP6425969B2 (en) * 2014-10-29 2018-11-21 ヤンマー株式会社 helicopter
JP6425968B2 (en) * 2014-10-29 2018-11-21 ヤンマー株式会社 helicopter
CN105680554A (en) * 2015-12-28 2016-06-15 海鹰航空通用装备有限责任公司 Power supply and distribution control device for unmanned aerial vehicle
CN106356970B (en) * 2016-09-26 2019-03-26 北京瑞深航空科技有限公司 Power supply unit and its method of supplying power to and equipment
CN106892124B (en) * 2017-01-23 2018-12-07 北京瑞深航空科技有限公司 Hybrid power unmanned plane
CN107749666B (en) * 2017-10-27 2021-03-05 天津津航计算技术研究所 Delayed power-on control system and control method for photoelectric pod of small unmanned aerial vehicle

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