CN102417038A - Method and structure for installing electricity generator on unmanned plane - Google Patents
Method and structure for installing electricity generator on unmanned plane Download PDFInfo
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- CN102417038A CN102417038A CN2010102926980A CN201010292698A CN102417038A CN 102417038 A CN102417038 A CN 102417038A CN 2010102926980 A CN2010102926980 A CN 2010102926980A CN 201010292698 A CN201010292698 A CN 201010292698A CN 102417038 A CN102417038 A CN 102417038A
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- unmanned plane
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Abstract
The invention discloses a method and a structure for installing an electricity generator on an unmanned plane. The electricity generator is a JF 3.5kw/28V direct-current electricity generator, wherein the input shaft of the electricity generator is a spline shaft; the radial runout of the spline shaft is not more than 0.2mm; and the input shaft of the electricity generator is rigidly connected with a flying wheel plate of an output shaft of an engine directly through a coupler, so that the output torque of the engine is ensured to be quickly and accurately transmitted and the power loss is minimal in a transmission process. By the method and the structure, the installation is reliable, the running is stable, overmuch engine output power is not used, the power demand of pickaback and task equipment of the unmanned plane can be ensured when the unmanned plane flies, the engine output power consumed by the electricity generator is ensured to be minimal when power equipment normally runs, and the working efficiency of the 3.5kw/28V direct-current electricity generator is improved.
Description
Technical field
the present invention relates to a kind of method and structure that electrical generator is installed on unmanned plane, belong to unmanned plane driving coupling technical field.
Background technology
Airborne and the task device that
present domestic confession unmanned aerial vehicle uses is 28V superpower consumer.Because the power equipment supply that piston engine provided is the 800W/12V dc motor to the maximum, can not satisfy airborne and demand task device.To of the specific (special) requirements of development unmanned aerial vehicle to power equipment supply; Need carry out the brand new installation and design to the 3.5kW/28V dynamo generator of domestic production, with specific (special) requirements stable, safe and reliable mode realizes the power equipment supply maximum capacity on unmanned aerial vehicle.And the present technology that electrical generator is installed on unmanned plane can not satisfy this specific (special) requirements.
Summary of the invention
the objective of the invention is to; A kind of method and structure that electrical generator is installed on unmanned plane is provided; Its electrical generator is the 3.5kW/28V dynamo generator, can guarantee the need for electricity of airborne and task device on the unmanned plane, also can guarantee when the power equipment supply normal operation; Electrical generator institute consumption of engine horsepower output is minimum, improves the work efficiency of electrical generator; On unmanned aerial vehicle, realize the specific (special) requirements of power equipment supply maximum capacity, thereby overcome the deficiency of prior art with stable, safe and reliable mode.
technical scheme of the present invention is to constitute like this: the method for electrical generator is installed on unmanned plane, and electrical generator is the JF3.5kW/28V dynamo generator, and the input shaft of electrical generator is a castellated shaft, and the spline shaft runout is not more than 0.2mm; The input shaft of electrical generator directly is rigidly connected through the Flywheel disc of coupler and driving engine mouth, guaranteeing to transmit accurately rapidly engine output torque, and makes in the transmission process loss in efficiency minimum.
aforementioned installs on unmanned plane in the method for electrical generator, said coupler be provided with electrical generator bonded assembly splined hole and with several connecting bores of driving engine mouth Flywheel disc bonded assembly; The axis of splined hole and several connecting bores should be coaxial with centre hole and connecting bore on the driving engine mouth Flywheel disc.To guarantee the concentricity requirement of electrical generator and driving engine.
aforementioned installs on unmanned plane in the method for electrical generator; The frame of said unmanned plane is provided with mounting bracket; Keysets is installed on the mounting bracket; The keysets rear is provided with fixed support, and keysets is fixed and clips before and after support and the mounting bracket, and electrical generator is installed on the keysets rear through the bolt suspension.
aforementioned installs on unmanned plane in the method for electrical generator; Said keysets adopts the high strength aluminum alloy cold-reduced sheet to process concave configuration; Guarantee the rigidity requirement of keysets; And alleviate of the impact of the driving engine of high-speed operation to electrical generator, to carry big dynamic load, improve reliability of products.
according to the aforementioned generator Structure of on unmanned plane, installing of the present invention that forms in the method that electrical generator is installed on the unmanned plane do; Comprise the mounting bracket that is installed on the unmanned plane frame; Mounting bracket is provided with keysets; Keysets is provided with fixed support, and mounting bracket, keysets and fixed support are through bolted connection; The keysets rear side is connected with electrical generator, and electrical generator is connected through the Flywheel disc of coupler with the driving engine mouth.
In
aforesaid structure, said coupler is provided with centre hole and a plurality of connecting bore, and the axis of said centre hole is coaxial with the center that is uniformly distributed with of a plurality of connecting bores.
In
aforesaid structure, said fixed support and mounting bracket are the English truss structure.
owing to adopted technique scheme, the present invention compared with prior art, the present invention has reliable installation, running steadily, does not take advantages such as too much engine output.The present invention can guarantee that not only unmanned aerial vehicle is when carrying out operation flight; Its airborne and need for electricity task device; Can guarantee also that when the power equipment supply normal operation electrical generator institute consumption of engine horsepower output is minimum, improve the work efficiency of 3.5kW/28V dynamo generator.When unmanned aerial vehicle aloft flew, the horsepower output that depends on the piston engine bent axle drove generator amature with necessary rotating speed.Through actual test, when reaching, electrical generator only consumes 0.047% of maximum power output when doing big output rating, therefore can judge that the efficient of transmission device is very high.Can judge that from the effect of practical application this power equipment supply can satisfy the specific (special) requirements of task device, airborne equipment the unmanned aerial vehicle flight course, and improve the flight safety of unmanned plane.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Being labeled as in
accompanying drawing: 1-mounting bracket, 2-keysets, 3-fixed support, 4-electrical generator, 5-coupler, the Flywheel disc of 6-driving engine mouth, 7-centre hole, 8-connecting bore.
The specific embodiment
are done further detailed description below in conjunction with accompanying drawing and embodiment to the present invention, but not as the foundation to any restriction of the present invention.
embodiment.Electrical generator of the present invention as shown in Figure 1 is horizontally-mounted, and the arrow among Fig. 1 is represented the heading of aircraft.The method of electrical generator is installed on unmanned plane, and electrical generator is the JF3.5kW/28V dynamo generator, and the input shaft of electrical generator is a castellated shaft, and the spline shaft runout is not more than 0.2mm; The input shaft of electrical generator directly is rigidly connected through the Flywheel disc of coupler and driving engine mouth, guaranteeing to transmit accurately rapidly engine output torque, and makes in the transmission process loss in efficiency minimum.Said coupler be provided with electrical generator bonded assembly splined hole and with several connecting bores of driving engine mouth Flywheel disc bonded assembly; The axis of splined hole and several connecting bores should be coaxial with centre hole and connecting bore on the driving engine mouth Flywheel disc.To guarantee the concentricity requirement of electrical generator and driving engine.The frame of said unmanned plane is provided with mounting bracket, and keysets is installed on the mounting bracket, and the keysets rear is provided with fixed support, and keysets is fixed and clips before and after support and the mounting bracket, and electrical generator is installed on the keysets rear through the bolt suspension.Said keysets adopts the high strength aluminum alloy cold-reduced sheet to process concave configuration, guarantees the rigidity requirement of keysets, and alleviates the impact of the driving engine of high-speed operation to electrical generator, to carry big dynamic load, improves reliability of products.
The structure that
form according to the aforementioned method that electrical generator is installed on unmanned plane; Comprise the mounting bracket 1 that is installed on the unmanned plane frame; Mounting bracket 1 is provided with keysets 2; Keysets 2 is provided with fixed support 3, and mounting bracket 1, keysets 2 and fixed support 3 are through bolted connection; Keysets 2 rear sides are connected with electrical generator 4, and electrical generator 4 is connected with the Flywheel disc 6 of driving engine mouth through coupler 5.Said coupler 5 is provided with centre hole 7 and a plurality of connecting bores 8, and the axis of said centre hole 7 is coaxial with the center that is uniformly distributed with of a plurality of connecting bores 8.Said fixed support 3 is the English truss structure with mounting bracket 1.
the present invention is in order to use the JF3.5kW/28V dynamo generator on the unmanned plane that with the piston engine is power; Installation and design technical scheme of the present invention is to set about research and design elements from following four aspects, guarantees the specific demand that the 3.5kW/28V dynamo generator is installed.1, improves driving efficiency.Have only the engine crankshaft mouth is got Flywheel disc and 3.5kW/28V dynamo generator input end is taked fast coupling, could guarantee that loss in efficiency is minimum in transmission process.Because maximum engine speed is 5800rpm; The normal operation rotating speed also will be more than 4000rpm; So the ordinary elasticity coupler can not meet the demands; In addition because the restriction on the aircaft configuration can't design the elastic coupling that meets the demands, so the connection mode that is best suited for of fast coupling.The fast coupling of identical magnitude also is higher than elastic coupling far away on strength at repeated alternation simultaneously, and the unique shortcoming of fast coupling is the concentricity installation requirement that must guarantee degree of precision.2, transmit engine output torque rapidly accurately.Because the 3.5kW/28V dynamo generator requires the minimum excitatory rotating speed must be greater than 3000rpm, the belt-driving that therefore generally adopts can not meet the demands.Weather resisting property, the reliability of V-shape belt are not high simultaneously, bring potential safety hazard to high-altitude flight.The present invention is in order to guarantee that transmitting engine output torque rapidly accurately takes direct-connected connection mode.3, guarantee higher concentricity installation requirement.Three strength members guaranteeing concentricity requirement are coupler, keysets and fixed support.Coupler upper spline axially bored line, axially bored line and the pore size distribution axis concentricity requirement on circle guarantees; Guarantee that through seam circle location on hole on the keysets and the JF3.5kW/28V dynamo generator electrical generator input end and engine crankshaft concentricity requirement satisfy below the 0.05mm this design's gordian technique.In concrete process implementing process, guarantee that through unit clamp whole assembly error is less than 0.12mm.The JF3.5kW/28V dynamo generator proposes the castellated shaft radial runout in design can guarantee that below 0.2mm its stable operation gets basic demand, meets the general technical state.4, guarantee integrally-built rigidity requirement.3.5kW/28V dynamo generator deadweight 15kg, in order effectively to alleviate the impact of the driving engine of high-speed operation to driving engine, keysets adopts the high strength aluminum alloy cold-reduced sheet, adopts the up concave type design on the structure, and this design can be carried bigger dynamic load.For the integral rigidity requirement that guarantees that engine installation is installed, on fixed support, mounting bracket, adopt the triangular truss structure, guarantee the shock proof intensity of support.
Claims (7)
1. the method for electrical generator is installed on unmanned plane, and it is characterized in that: electrical generator is the JF3.5kW/28V dynamo generator, and the input shaft of electrical generator is a castellated shaft, and the spline shaft runout is not more than 0.2mm; The input shaft of electrical generator directly is rigidly connected through the Flywheel disc of coupler and driving engine mouth, guaranteeing to transmit accurately rapidly engine output torque, and makes in the transmission process loss in efficiency minimum.
2. according to the said method that electrical generator is installed on unmanned plane of claim 1, it is characterized in that: said coupler be provided with electrical generator bonded assembly splined hole and with several connecting bores of driving engine mouth Flywheel disc bonded assembly; The axis of splined hole and several connecting bores should be coaxial with centre hole and connecting bore on the driving engine mouth Flywheel disc, to guarantee the concentricity requirement of electrical generator and driving engine.
3. according to the said method that electrical generator is installed on unmanned plane of claim 1; It is characterized in that: the frame of said unmanned plane is provided with mounting bracket; Keysets is installed on the mounting bracket; The keysets rear is provided with fixed support, and keysets is fixed and clips before and after support and the mounting bracket, and electrical generator is installed on the keysets rear through the bolt suspension.
4. according to the said method that electrical generator is installed on unmanned plane of claim 1; It is characterized in that: said keysets adopts the high strength aluminum alloy cold-reduced sheet to process concave configuration; Guarantee the rigidity requirement of keysets; And alleviate of the impact of the driving engine of high-speed operation to electrical generator, to carry big dynamic load, improve reliability of products.
5. one kind generator Structure is installed on unmanned plane; It is characterized in that: comprise the mounting bracket (1) that is installed on the unmanned plane frame; Mounting bracket (1) is provided with keysets (2); Keysets (2) is provided with fixed support (3), and mounting bracket (1), keysets (2) and fixed support (3) are through bolted connection; Keysets (2) rear side is connected with electrical generator (4), and electrical generator (4) is connected with the Flywheel disc (6) of driving engine mouth through coupler (5).
6. the generator Structure of on unmanned plane, installing according to claim 5; It is characterized in that: said coupler (5) is provided with centre hole (7) and a plurality of connecting bore (8), and the axis of said centre hole (7) is coaxial with the center that is uniformly distributed with of a plurality of connecting bores (8).
7. the generator Structure of on unmanned plane, installing according to claim 5 is characterized in that: said fixed support (3) and mounting bracket (1) are the English truss structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102926980A CN102417038A (en) | 2010-09-27 | 2010-09-27 | Method and structure for installing electricity generator on unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102926980A CN102417038A (en) | 2010-09-27 | 2010-09-27 | Method and structure for installing electricity generator on unmanned plane |
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| CN102417038A true CN102417038A (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102926980A Pending CN102417038A (en) | 2010-09-27 | 2010-09-27 | Method and structure for installing electricity generator on unmanned plane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890885A (en) * | 2015-06-23 | 2015-09-09 | 中国航空动力机械研究所 | Aero-generator mounting adapter and adapting mounting system |
| CN106376208A (en) * | 2016-11-29 | 2017-02-01 | 北京博瑞空间科技发展有限公司 | Unmanned aerial vehicle with rack reinforced structure |
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| CN101050793A (en) * | 2007-05-24 | 2007-10-10 | 东风电动车辆股份有限公司 | Vehicle engine and motor/generator connector |
| CN201002505Y (en) * | 2006-12-28 | 2008-01-09 | 东风电动车辆股份有限公司 | New hybrid electric vehicle powertrain based on hydromechanical gearbox |
| CN101249888A (en) * | 2003-01-17 | 2008-08-27 | 杨福顺 | Hybrid power-drive mechanism |
| US20090055061A1 (en) * | 2006-03-14 | 2009-02-26 | Raphael Zhu | Power set for vehicles |
| CN201800920U (en) * | 2010-09-27 | 2011-04-20 | 贵州贵航无人机有限责任公司 | Structure for installing generator on unmanned aerial vehicle |
-
2010
- 2010-09-27 CN CN2010102926980A patent/CN102417038A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249888A (en) * | 2003-01-17 | 2008-08-27 | 杨福顺 | Hybrid power-drive mechanism |
| US20090055061A1 (en) * | 2006-03-14 | 2009-02-26 | Raphael Zhu | Power set for vehicles |
| CN201002505Y (en) * | 2006-12-28 | 2008-01-09 | 东风电动车辆股份有限公司 | New hybrid electric vehicle powertrain based on hydromechanical gearbox |
| CN101050793A (en) * | 2007-05-24 | 2007-10-10 | 东风电动车辆股份有限公司 | Vehicle engine and motor/generator connector |
| CN201800920U (en) * | 2010-09-27 | 2011-04-20 | 贵州贵航无人机有限责任公司 | Structure for installing generator on unmanned aerial vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890885A (en) * | 2015-06-23 | 2015-09-09 | 中国航空动力机械研究所 | Aero-generator mounting adapter and adapting mounting system |
| CN106376208A (en) * | 2016-11-29 | 2017-02-01 | 北京博瑞空间科技发展有限公司 | Unmanned aerial vehicle with rack reinforced structure |
| CN106376208B (en) * | 2016-11-29 | 2021-12-03 | 北京博瑞空间科技发展有限公司 | Unmanned aerial vehicle with frame additional strengthening |
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Application publication date: 20120418 |