CN104875897A - High-power new-energy unmanned aerial vehicle power system - Google Patents
High-power new-energy unmanned aerial vehicle power system Download PDFInfo
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- CN104875897A CN104875897A CN201510289750.XA CN201510289750A CN104875897A CN 104875897 A CN104875897 A CN 104875897A CN 201510289750 A CN201510289750 A CN 201510289750A CN 104875897 A CN104875897 A CN 104875897A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention discloses a high-power new-energy unmanned aerial vehicle power system. The high-power new-energy unmanned aerial vehicle power system comprises a motor, an electronic speed governor matched with the motor and a flight control system, wherein the motor is configured with matched propellers according to different power; the electronic speed governor is used for driving the operation of the motor; the flight control system is connected with the electronic speed governor through the force application signal line of the electronic speed governor and is used for controlling the power system to realize flight, acceleration, deceleration and stopping actions of an unmanned aerial vehicle. The power system has the advantages of high power, strong bearing capability, convenience in use and the like, the demands of unmanned aerial vehicle manufacturers or individual unmanned aerial vehicle lovers to more quickly establish large to medium new-energy unmanned aerial vehicles can be satisfied, various large to medium new-energy unmanned aerial vehicles can be more quickly manufactured, and the blank in the field of high-power new-energy unmanned aerial vehicle power system products at present can be filled.
Description
Technical field
The present invention relates to unmanned plane power system technology, be specially high-power new forms of energy unmanned plane power system.
Background technology
At present, the power system that unmanned plane extensively adopts comprises reciprocating and rotary piston engine, and whirlpool spray, turbofan, whirlpool oar and whirlpool axle are at interior gas turbine engine.Due to the technical matters of each side, battery-driven new forms of energy power system only can be used on miniature unmanned plane at present substantially, as being applicable to small-sized taking photo by plane on unmanned plane or toy unmanned plane, tracing it to its cause and being that its load-carrying is less.
New forms of energy unmanned plane, most basic part is battery driven motor power system.In evolution for many years, because the technology such as battery technology, motor technology, electronic speed regulation do not obtain comparatively quantum jump, therefore it also just rests on the miniature miniwatt unmanned plane stage at present, the power of such as power system within 2000 watts, load-carrying within 6KG time, ship model toy formula unmanned plane can only be used for.
Current battery driven motor power system, power is little, and carrying is light, cannot meet the development need of unmanned plane industry.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of high-power new forms of energy unmanned plane power system, it possess power large, carry the advantages such as strong, easy to use, the needs that unmanned plane manufactures enterprise or the individual unmanned plane fan big-and-middle-sized new forms of energy unmanned plane of fast construction can be met, various big-and-middle-sized new forms of energy unmanned plane can be produced sooner, fill up the blank of current high-power new forms of energy unmanned plane power system product scope.
The technical solution adopted for the present invention to solve the technical problems is:
High-power new forms of energy unmanned plane power system, comprises
Motor, it has supporting screw propeller according to different power configuration;
The electronic governor matched with motor, for the running of drive motor;
Flight control system, itself and described electronic governor communicate to connect, and for controlling, power system makes unmanned plane realize flying up, accelerate, slow down, shutdown action,
Wherein, described motor is brushless motor, and described electronic governor comprises built-in alignment circuit, and it by input PWM speed-regulating signal, and exports the running of motor described in three-phase dc voltage control, and described flight control system comprises signal receiver.
As the improvement of technique scheme, described alignment circuit comprises input end, the switches set be made up of some switches and three-phase dc voltage output end, it is by the turn-on sequence of switch combination different in master cock group, makes commutation corresponding to its mouth order drive the rotation of brushless motor.
As the improvement of technique scheme, described switches set comprises by switch Q1, Q2 Q1 branch road in series, by switch Q3, Q4 Q3 branch road in series and by Q5, Q6 Q5 branch road in series, in parallel between described Q1 branch road, Q3 branch road and Q5 branch road, wherein, the described Q1 branch road AB phase that connect three-phase dc voltage corresponding to Q3 branch road, the described Q3 branch road BC phase that connect three-phase dc voltage corresponding to Q5 branch road, the described Q1 branch road AC phase that connect three-phase dc voltage corresponding to Q5 branch road.
As the improvement of technique scheme, the turn-on sequence of the different switch combinations of described switches set is followed successively by Q1Q4, Q1Q6, Q3Q6, Q3Q2, Q5Q2, Q5Q4, and the commutation order corresponding to this turn-on sequence is followed successively by AB phase, AC phase, BC phase, BA phase, CA phase, CB phase.
As the improvement of technique scheme, described electronic governor is connected with the lithium cell of high reserve of electricity, and it can be power system and powers, and can repeatedly use by recharge.
As the improvement of technique scheme, described electronic governor is connected with anti-sparking yarn, and it comprises sub warhead terminal and a resistance, and the other end of described anti-sparking yarn is connected with cathode of lithium battery.
As the improvement of technique scheme, described flight control system comprises the matching used remote controller with signal receiver, and it is for the Long-distance Control of setting section electronic governor parameter and unmanned plane.
As the improvement of technique scheme, described electronic governor is communicated to connect by afterburning signal wire (SW) and flight control system, and described afterburning signal wire (SW) is 4pin line, can be connected with programming box by it, for the setting of all electronic governor parameters.
As the improvement of technique scheme, described afterburning signal wire (SW) can connect computer by USB line, for the setting of all electronic governor parameters.
As the improvement of technique scheme, in the switches set of described alignment circuit, each switch corresponding is provided with voltage sensor or current sensor, when arbitrary switching voltage or electric current surmount warning, makes it idle reduction power system horsepower output.
The beneficial effect that the present invention brings has:
Power system of the present invention designs mainly for by battery-driven big-and-middle-sized practical unmanned plane during flying device, and its advantage is:
1, all-electric, this power system is powered by high reserve of electricity lithium cell, not only environmental protection, and can repeatedly use by recharge, and be the unmanned plane power system of power with combustion engine relative to existing same power, this programme is easy to maintenance, and power is stronger, accelerates faster;
2, power is large, and single cover power system power of the present invention can reach 5KW-30KW, and the load-carrying of single cover power system can reach 25KG-120KG, and when adopting this power system to set up four axle unmanned planes, complete machine load-carrying of taking off can reach 100KG-400KG;
3, lightweight, single cover power system device weight is less than 10KG, motivation package system is suitable for unmanned plane during flying device and uses, the multiaxis unmanned plane built lightweight, easy enforcement, on the contrary, original oil burning power system driving engine is relatively heavier, not only volume is large to make the unmanned plane that assembles up, and load-carrying is light.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the invention will be further described,
Accompanying drawing 1 is system architecture schematic diagram of the present invention;
Accompanying drawing 2 is electric machine structure schematic diagrams of the present invention;
Accompanying drawing 3 is electronic governor principle of work schematic diagrams of the present invention;
Accompanying drawing 4 is alignment circuit structural representations of the present invention.
Detailed description of the invention
The high-power new forms of energy unmanned plane power system that institute of the present invention R & D design manufactures, be mainly used in agricultural spray, rescue transport, fire control and disaster rescue, forest patrol, on the important practical field unmanned planes such as high-altitude stringing, the innovation of this power system release can meet unmanned plane manufacture enterprise or individual unmanned plane fan more fast construction play the needs of big-and-middle-sized new forms of energy unmanned plane for each side, various big-and-middle-sized new forms of energy unmanned plane can be produced sooner, fill up the blank of current high-power new forms of energy unmanned plane power system product scope, and accelerate the development promoting and promote whole new forms of energy unmanned plane industry.
Concrete, with reference to accompanying drawing 1, this high-power new forms of energy unmanned plane power system mainly comprises motor 1, and it has supporting screw propeller according to different power configuration; The electronic governor 2 matched with motor 1, for the running of drive motor 1; Flight control system, it is connected with it by afterburning signal wire (SW) 21 of electronic governor 2, for controlling power system, unmanned plane realization being flown up, accelerating, slows down, shutdown action.
Wherein, motor 1 of the present invention adopts brushless motor.In fact, brushless motor is very extensive in actual applications, because its volume is little, lightweight, power is large, but high-power brushless motor is less in actual applications, mainly because the environment of high-power brushless motor requirement work will ventilate, also need to consider the heat dissipation problem of motor 1 own and draw the problems such as effect ratio.And the present invention is directed to the problems referred to above and made improvement, with reference to accompanying drawing 2, motor 1 upper cover makes the fan blade shape of rotation, in conjunction with the wind of screw propeller and the design of the pneumatic slurry lid of motor 1, motor 1 can be allowed to possess more outstanding radiating effect, simultaneously for drawing effect to be optimized than the inner structure of problem to brushless motor, make motor 1 draw effect ratio at more than 4G/W, greatly promote the efficiency of motivation package system, in reality test, the motor 1 of 6KW can reach the pulling force of more than 24KG.
Brushless motor and electronic governor 2 radical function are the running driving brushless motor.Wherein, electronic governor 2 is built-in with alignment circuit, and it is using PWM speed-regulating signal as input speed-regulating signal, and can control the rotating speed of motor 1, because PWM speed-regulating signal is generally rectangle square wave, the dutycycle of PWM speed-regulating signal is larger, and the operating speed of motor 1 is higher; PWM speed-regulating signal dutycycle is less, and the operating speed of motor 1 is also corresponding lower.
In fig. 3, electronic governor 2 inputs PWM speed-regulating signal, and it exports as A, B, C three-phase dc voltage, and HallA, HallB, HallC are the Hall element in brushless motor, and the location information of brushless electric motor rotor can be fed back to electronic governor 2 by it.
Accompanying drawing 4 is alignment circuit structural representation of the present invention.Alignment circuit comprises input end, the switches set be made up of some switches and three-phase dc voltage output end, and it is by the turn-on sequence of switch combination different in master cock group, makes commutation corresponding to its mouth order drive the rotation of brushless motor.Switches set comprises by switch Q1, Q2 Q1 branch road in series, by switch Q3, Q4 Q3 branch road in series and by Q5, Q6 Q5 branch road in series, and it is in parallel between Q1 branch road, Q3 branch road and Q5 branch road, wherein, the Q1 branch road AB phase that connect three-phase dc voltage corresponding to Q3 branch road, the Q3 branch road BC phase that connect three-phase dc voltage corresponding to Q5 branch road, the Q1 branch road AC phase that connect three-phase dc voltage corresponding to Q5 branch road.
In this circuit structure, when switch Q1, Q4 conducting, the AB of three-phase dc voltage is conducted, and electric current, then returns from B phase from A phase through motor 1 winding; When switch Q1, Q6 conducting, the AC of three-phase dc voltage is conducted, and electric current flows through motor 1 winding from A phase, returns from B phase; Other switch combination and to describe situation above similar.And in order to make motor 1 rotate clockwise, the turn-on sequence of switches set should be followed successively by Q1Q4, Q1Q6, Q3Q6, Q3Q2, Q5Q2, Q5Q4, the opportunity of switching over is called commutation by us, and the commutation order corresponding to above-mentioned turn-on sequence is followed successively by AB phase, AC phase, BC phase, BA phase, CA phase, CB phase.In the switches set of alignment circuit, each switch corresponding is provided with voltage sensor or current sensor, when arbitrary switching voltage or electric current surmount warning, makes it idle reduction power system horsepower output.
Based on above-mentioned structure, the supported maximum voltage of electronic governor 2 of the present invention, maximum current are respectively 90V, 300A, and maximum power is then 90V × 300A=27KW.And traditional brushless electric machine electronic governor 2 is generally applied to low power occasion more, as 24V/3A etc., power reaches the fewer of more than 5KW, after major cause is that power is excessive, brings larger challenge to the design of electronic governor 2.Be God-awful up to the electric current of 300A concerning electronic governor 2, slightly flaw will be burnt, and after power is large simultaneously, the heat radiation of electronic governor 2 is again another one technical barrier.The power of such as 27KW, corresponding 95% system effectiveness time, the energy of 5% is all converted to heat energy, that is to say that 27KW × 5%=1.35KW is converted to heat energy, in fact 1.35KW has reached the maximum power of a household microwave oven, if therefore electronic governor 2 dispels the heat not in time, most probably whole system is burnt.
Electricity is adjusted to the process of heat radiation, the present invention mainly contains following treatment measures.One is adopt the heat radiation of large-area aluminium sheet, although increase small product size and weight, system becomes more reliable and stable; Two is meticulously choose the position that electronic governor 2 lays in systems in which, is directly placed in the wind speed maximum of unmanned plane blade, accelerates heat radiation by fast speed air circulation; Three is increase stability sensor at switches set metal-oxide-semiconductor annex, when switch MOS pipe stable surmounts warning, reduces the horsepower output of system, makes it idle, be unlikely to whole system to be burnt.
In fig. 1, electronic governor 2 is connected with the lithium cell 22 of high reserve of electricity, and it is powered for this power system, and can repeatedly use by recharge, and combustion engine powered not only easy to maintenance relative to current same power of its power, power is stronger, and accelerates faster.Electronic governor 2 is also connected with anti-sparking yarn, and it comprises sub warhead terminal and a resistance, and the other end of anti-sparking yarn is connected with lithium cell 22 negative pole.When wiring, disconnect sub warhead terminal, anti-sparking line can become two lines.When connecting electricity and adjusting with battery, first can connect anti-sparking line, then connect positive pole, finally connect negative pole, so not have sparking in connection battery moment and produce, splicing ear is played a protective role.
In addition; flight control system comprises signal receiver 31 and remote controller matching used with signal receiver 31; for the Long-distance Control of setting section electronic governor 2 parameter and unmanned plane; the afterburning signal wire (SW) 21 that signal receiver 31 is adjusted with electricity is connected; namely can control motivation package system by remote controller to reach and fly up; accelerate, slow down, the actions such as shutdown.The afterburning signal wire (SW) 21 of electronic governor 2 is 4pin line, programming box can be connected with by it, for the setting of all electronic governor 2 parameters, or the afterburning signal wire (SW) 21 of electronic governor 2 can be made to be connected to computer by USB line, for the setting of all electronic governor 2 parameters.
Power system of the present invention designs mainly for by battery-driven big-and-middle-sized practical unmanned plane during flying device, and its advantage is:
1, all-electric, this power system is powered by high reserve of electricity lithium cell 22, not only environmental protection, and can repeatedly use by recharge, and be the unmanned plane power system of power with combustion engine relative to existing same power, this programme is easy to maintenance, and power is stronger, accelerates faster;
2, power is large, and single cover power system power of the present invention can reach 5KW-30KW, and the load-carrying of single cover power system can reach 25KG-120KG, and when adopting this power system to set up four axle unmanned planes, complete machine load-carrying of taking off can reach 100KG-400KG;
3, lightweight, single cover power system device weight is less than 10KG, motivation package system is suitable for unmanned plane during flying device and uses, the multiaxis unmanned plane built lightweight, easy enforcement, on the contrary, original oil burning power system driving engine is relatively heavier, not only volume is large to make the unmanned plane that assembles up, and load-carrying is light.
Finally, the present invention is when choosing different model motor 1, and the power of corresponding power system and load-carrying also can be different.Wherein, adoptable SANGAIR A5 series/SANGAIR A6 serial motors 1 is high-power external rotor electric machine, the structure design of screw propeller is all installed by spark ignition engine, can 100-200cc Gasoline Engine Model be made into electric model, adoptable SANGAIR A7 serial motors 1 is high-power external rotor electric machine, its power 20KW-40KW, installs the structure design of screw propeller, can make 100-300cc Gasoline Engine Model into electric airplane by spark ignition engine.
It should be noted that, the above is preferred embodiment of the present invention, and the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. high-power new forms of energy unmanned plane power system, is characterized in that: comprise
Motor (1), it has supporting screw propeller according to different power configuration;
The electronic governor (2) matched with motor (1), for the running of drive motor (1);
Flight control system, itself and described electronic governor (2) communicate to connect, and for controlling, power system makes unmanned plane realize flying up, accelerate, slow down, shutdown action,
Wherein, described motor (1) is brushless motor, and described electronic governor (2) comprises built-in alignment circuit, and it is by input PWM speed-regulating signal, and exporting the running of motor (1) described in three-phase dc voltage control, described flight control system comprises signal receiver (31).
2. high-power new forms of energy unmanned plane power system according to claim 1, it is characterized in that: described alignment circuit comprises input end, the switches set be made up of some switches and three-phase dc voltage output end, it is by the turn-on sequence of switch combination different in master cock group, makes commutation corresponding to its mouth order drive the rotation of brushless motor.
3. high-power new forms of energy unmanned plane power system according to claim 2, it is characterized in that: described switches set comprises by switch Q1, Q2 Q1 branch road in series, by switch Q3, Q4 Q3 branch road in series and by Q5, Q6 Q5 branch road in series, in parallel between described Q1 branch road, Q3 branch road and Q5 branch road, wherein, the described Q1 branch road AB phase that connect three-phase dc voltage corresponding to Q3 branch road, the described Q3 branch road BC phase that connect three-phase dc voltage corresponding to Q5 branch road, the described Q1 branch road AC phase that connect three-phase dc voltage corresponding to Q5 branch road.
4. high-power new forms of energy unmanned plane power system according to claim 3, it is characterized in that: the turn-on sequence of the different switch combinations of described switches set is followed successively by Q1Q4, Q1Q6, Q3Q6, Q3Q2, Q5Q2, Q5Q4, the commutation order corresponding to this turn-on sequence is followed successively by AB phase, AC phase, BC phase, BA phase, CA phase, CB phase.
5. high-power new forms of energy unmanned plane power system according to claim 1, is characterized in that: described electronic governor (2) is connected with the lithium cell (22) of high reserve of electricity, and it can be power system and powers, and can repeatedly use by recharge.
6. high-power new forms of energy unmanned plane power system according to claim 5, it is characterized in that: described electronic governor (2) is connected with anti-sparking yarn, it comprises sub warhead terminal and a resistance, and the other end of described anti-sparking yarn is connected with lithium cell (22) negative pole.
7. high-power new forms of energy unmanned plane power system according to claim 1, it is characterized in that: described flight control system comprises and signal receiver (31) matching used remote controller, it is for the Long-distance Control of setting section electronic governor (2) parameter and unmanned plane.
8. high-power new forms of energy unmanned plane power system according to claim 1, it is characterized in that: described electronic governor (2) is communicated to connect by afterburning signal wire (SW) (21) and flight control system, described afterburning signal wire (SW) (21) is 4pin line, programming box can be connected with, for the setting of all electronic governors (2) parameter by it.
9. high-power new forms of energy unmanned plane power system according to claim 8, is characterized in that: described afterburning signal wire (SW) (21) can connect computer by USB line, for the setting of all electronic governors (2) parameter.
10. high-power new forms of energy unmanned plane power system according to claim 2, it is characterized in that: in the switches set of described alignment circuit, each switch corresponding is provided with voltage sensor or current sensor, when arbitrary switching voltage or electric current surmount warning, make it idle reduction power system horsepower output.
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| CN105620726A (en) * | 2016-02-25 | 2016-06-01 | 北京迈凯飞工程技术有限公司 | Propeller blade-fixing device and unmanned aerial vehicle |
| WO2017128113A1 (en) * | 2016-01-27 | 2017-08-03 | 深圳市大疆创新科技有限公司 | Power supply control circuitry, electronic speed regulator, unmanned aerial vehicle, and control method |
| CN108657415A (en) * | 2018-05-18 | 2018-10-16 | 智飞智能装备科技东台有限公司 | A kind of wing can carry out shrinking the unmanned plane of stored collapsed |
| CN108674661A (en) * | 2018-05-18 | 2018-10-19 | 智飞智能装备科技东台有限公司 | A kind of safe jettison system for unmanned plane |
| CN109835483A (en) * | 2017-11-24 | 2019-06-04 | 智飞智能装备科技东台有限公司 | A kind of unmanned plane of the more rotor overlapping power of new energy |
| CN109932485A (en) * | 2017-12-19 | 2019-06-25 | 国鹄航空科技(杭州)股份有限公司 | A kind of unmanned plane for multicomponent gas concentration detection |
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| CN108674661A (en) * | 2018-05-18 | 2018-10-19 | 智飞智能装备科技东台有限公司 | A kind of safe jettison system for unmanned plane |
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