CN116517744A - Portable spring energy storage starter for unmanned aerial vehicle and starting method thereof - Google Patents
Portable spring energy storage starter for unmanned aerial vehicle and starting method thereof Download PDFInfo
- Publication number
- CN116517744A CN116517744A CN202310403922.6A CN202310403922A CN116517744A CN 116517744 A CN116517744 A CN 116517744A CN 202310403922 A CN202310403922 A CN 202310403922A CN 116517744 A CN116517744 A CN 116517744A
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- Prior art keywords
- energy storage
- transmission shaft
- spring
- starter
- hand
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- 238000004146 energy storage Methods 0.000 title claims abstract description 95
- 239000007858 starting material Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 112
- 210000000078 claw Anatomy 0.000 claims abstract description 69
- 230000009471 action Effects 0.000 claims description 7
- 239000000295 fuel oil Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N5/00—Starting apparatus having mechanical power storage
- F02N5/02—Starting apparatus having mechanical power storage of spring type
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention relates to a portable spring energy storage starter for an unmanned aerial vehicle and a starting method thereof, wherein the starter is suitable for the unmanned aerial vehicle adopting a piston engine and comprises a gear motor, a starter claw, an energy storage spring, a transmission shaft, a crank and a hand-operated mechanical claw; the crank is inserted into the hand-operated mechanical claw to drive the hand-operated mechanical claw to rotate, the hand-operated mechanical claw is in transmission connection with the transmission shaft, the energy storage spring is wound on the transmission shaft, and the transmission shaft is driven to rotate through the rotation of the hand-operated mechanical claw, so that the energy storage spring is stored; the motor is in transmission connection with the transmission shaft and can also store energy for the energy storage spring; the starter claw is fixedly connected with the transmission shaft, and the starter claw can transmit the rotation of the transmission shaft to a piston engine crankshaft of the unmanned aerial vehicle so as to start the engine of the unmanned aerial vehicle. The portable spring energy storage starter for the unmanned aerial vehicle has two energy storage modes of manual operation and electric operation, and is light in weight, small in size, simple in structure and high in safety coefficient.
Description
Technical Field
The invention is suitable for the technical field of starting systems for unmanned aerial vehicles, and particularly relates to a portable spring energy storage starter for an unmanned aerial vehicle and a starting method thereof.
Background
The traditional starting technology of the unmanned aerial vehicle at home and abroad at present mainly uses a starting motor to start, and the starting motor comprises a reduction gear and a motor, is heavy in weight and large in volume, has high requirements on battery power, and is unfavorable for aviation piston engines with strict requirements on power ratio. Because of limited load, many unmanned aerial vehicles do not carry a starting system, and are started by a handheld electric starting device or a rotating paddle when flying. The handheld electric starting is also required to be matched with a high-power supply in the field, and potential safety hazards exist in the rotating paddle starting.
The Chinese patent application number is: 201310463330.X, the name of the invention is: the invention provides an internal combustion engine starter applied to an unmanned aerial vehicle and an aviation model, and particularly relates to an internal combustion engine starter which is used for directly spraying fuel gas in a high-pressure gas tank to a combustion chamber of a cylinder through a fuel gas valve to be mixed with air in the combustion chamber of the cylinder, wherein the mixed gas is ignited to explode to push a piston, the piston drives the engine to operate through a transmission mechanism, and then an elastic device rebounds the piston to return to a position. The technology needs to be provided with a high-pressure gas tank and an ignition device, and has the advantages of lower safety and reliability and larger volume.
The Chinese patent application number is: 201611157845.7, the invention name is: the invention discloses a plateau energy storage type unmanned aerial vehicle starting device and a plateau energy storage type unmanned aerial vehicle starting method, which aims to solve the problems of external field starting, plateau starting and insufficient power of a diesel generator. This technique is relatively complex in control circuitry and also inevitably increases the overall weight and volume of the starting system for engines with greater power.
Based on the defects of the existing unmanned aerial vehicle starter, the starter for the unmanned aerial vehicle, which has the advantages of light weight, small volume, simple structure and high safety coefficient, is needed to be provided.
Disclosure of Invention
The invention aims to provide a portable spring energy storage starter for an unmanned aerial vehicle, which is light in weight, small in size, simple in structure and high in safety coefficient, and the energy storage springs are arranged and stored in a manual mode and an electric mode to realize the starting of a piston engine type unmanned aerial vehicle in a convenient and simple mode.
The invention relates to a portable spring energy storage starter for an unmanned aerial vehicle, which is suitable for the unmanned aerial vehicle adopting a piston engine and comprises a gear motor, a starter claw, an energy storage spring, a transmission shaft, a crank and a hand-operated mechanical claw; the hand-operated mechanical claw is in transmission connection with the transmission shaft, the energy storage spring is wound on the transmission shaft, the hand-operated mechanical claw is driven to rotate when the crank is inserted into the hand-operated mechanical claw, and the transmission shaft is driven to rotate by the rotation of the hand-operated mechanical claw, so that the energy storage spring is stored; the motor is in transmission connection with the transmission shaft and can also store energy for the energy storage spring; the starter claw is fixedly connected with the transmission shaft, and the starter claw can transmit the rotation of the transmission shaft to a piston engine crankshaft of the unmanned aerial vehicle so as to start the engine of the unmanned aerial vehicle.
Further, the transmission connection structure of the hand-operated mechanical claw and the transmission shaft comprises a hand-operated mechanical claw torque transmission groove arranged at one end of the hand-operated mechanical claw, and a transmission shaft torque transmission key arranged at one end of the transmission shaft; when the crank is inserted into the hand-operated mechanical claw, the hand-operated mechanical claw moves along the axial direction of the transmission shaft, so that the hand-operated mechanical claw torque transmission groove is inserted into the transmission shaft torque transmission key, and the transmission shaft rotates along with the hand-operated mechanical claw.
Further, the transmission connection structure of the gear motor and the transmission shaft comprises a gear motor driving gear connected with the gear motor and a driving shaft gear disc, and the driving shaft gear disc is sleeved on the transmission shaft; after the gear motor is started, the gear motor drives the gear wheel disc of the driving shaft to rotate, and the transmission shaft rotates along with the gear wheel disc of the driving shaft.
Further, the hand-operated mechanical claw is reset under the action of the reset spring and is separated from the transmission shaft after the energy storage is completed; after the hand-operated mechanical claw is separated from the transmission shaft, a limit key 20 is arranged on the hand-operated mechanical claw to limit the hand-operated mechanical claw, so that the hand-operated mechanical claw is prevented from falling.
Further, the device also comprises a non-return mechanism, comprising a non-return slide block, a thrust spring and a non-return ratchet wheel, wherein the non-return ratchet wheel is fixedly connected with the transmission shaft, and the thrust spring is connected with the non-return slide block; after the energy storage is completed, the non-return sliding block is propped against the non-return ratchet wheel under the action of the thrust spring to lock the non-return ratchet wheel, so that the transmission shaft and the energy storage spring cannot automatically release energy.
Further, the energy storage device further comprises a starter handle, an energy storage switch and a starting switch are arranged on the starter handle, the energy storage motor switch is used for starting the gear motor to store energy to the energy storage spring, the starting switch is used for releasing energy of the energy storage spring, and the transmission shaft rotates.
Further, the anti-return device also comprises an electromagnet electrically connected with the starting switch, the electromagnet is connected with the thrust spring, and the electromagnet is electrified, so that the anti-return sliding block overcomes the thrust of the thrust spring and is separated from the anti-return ratchet wheel, and the energy of the energy storage spring is released to drive the transmission shaft to rotate.
Further, the device also comprises a gear motor driving gear shell and an energy storage spring shell; the starter handle is fixedly connected with the gear housing of the gear motor and the energy storage spring housing; the two ends of the transmission shaft are supported in the energy storage spring shell by hand-operated transmission shaft bearings, and the gear motor is supported on the outer surface of the gear motor driving gear shell by a gear motor driving gear bearing.
Furthermore, the starter has two energy storage modes, one is to manually store energy for the spring by adopting a starter handle, and the other is to store energy for the spring by adopting a gear motor.
A method for starting a unmanned aerial vehicle by using the starter comprises the following steps:
firstly, holding a starter handle of the starter which has completed energy storage, and connecting a starter claw with a piston engine crankshaft of the unmanned aerial vehicle;
then, the starting switch is pressed down, the electromagnet is electrified, the energy storage spring starts to release energy, and the transmission shaft rotates under the energy release of the energy storage spring;
finally, the starter claw transmits the rotation of the transmission shaft to the crankshaft of the piston engine of the unmanned aerial vehicle, the crankshaft of the engine rotates to drive the piston engine to compress heavy oil spray and burn heavy oil, and the piston engine is started normally.
The invention has the beneficial effects that:
1. the starter provided by the invention can be suitable for small unmanned aerial vehicles without a starting system, and a plurality of portable starters can be respectively subjected to energy storage by one speed reduction motor and then connected in series so as to be used for starting unmanned aerial vehicles with different power levels.
2. The invention is suitable for the problem of insufficient electric starting energy when the unmanned aerial vehicle flies in the external field and the altitude, and also matches with a manual energy storage system and an electric energy storage system, and can store energy manually when the unmanned aerial vehicle needs to be started continuously for many times in an emergency state.
3. The starter of the invention has light weight, small volume, almost two thirds weight reduction compared with the electric starting system with the same power level, small power of the storage battery and convenient carrying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a portable spring energy storage starter for an unmanned aerial vehicle
Fig. 2 is a side view of a portable spring energy storage starter for an unmanned aerial vehicle
Fig. 3 is a top view of a portable spring energy storage starter for an unmanned aerial vehicle
Reference numerals illustrate:
the hand-operated power transmission shaft comprises a 1-hand-operated power transmission shaft bearing, a 2-energy storage spring shell, a 3-gear motor driving gear, a 4-gear motor driving gear shell, a 5-starter handle, a 6-gear motor, a 7-hand-operated mechanical claw, an 8-driving shaft gear disc, a 9-energy storage spring, a 10-starter claw, a 11-gear motor driving gear bearing, a 12-non-return ratchet wheel, a 13-non-return slide block, a 14 thrust spring, a 15-electromagnet, a 16-energy storage switch, a 17-starting switch, a 18-transmission shaft, a 19-return spring, a 20-limit key, a 21-transmission shaft torque transmission key and a 22-hand-operated mechanical claw torque transmission groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Manual energy storage: the portable starter is inserted into the hand-operated mechanical claw 7 by the crank during energy storage, the hand-operated mechanical claw 7 moves forward, the hand-operated mechanical claw torque transmission groove 22 is inserted into the transmission shaft torque transmission key 21, the transmission shaft 18 rotates along with the hand-operated mechanical claw 7, the energy storage spring 9 wound on the transmission shaft 18 starts to store energy until the energy storage of the energy storage spring 9 is completed, after the energy storage is completed, the hand-operated mechanical claw 7 resets under the action of the reset spring 19 sleeved on the transmission shaft torque transmission key 21 and is separated from the transmission shaft 18, namely, the hand-operated mechanical claw torque transmission groove and the transmission shaft torque transmission key are separated, so that when the energy storage spring 9 releases energy, the hand-operated mechanical claw 7 cannot rotate at a high speed along with the transmission shaft 18, potential safety hazards are reduced, after the separation, the limit key 20 is arranged on the hand-operated mechanical claw 7 to limit the hand-operated mechanical claw 7, and the hand-operated mechanical claw 7 is prevented from falling. After the energy storage is completed, the non-return sliding block 13 is propped against the non-return ratchet wheel 12 under the action of the thrust spring 14, the non-return ratchet wheel 12 is fixedly connected with the transmission shaft 18, and the transmission shaft 18 and the energy storage spring 9 cannot automatically release energy.
Electric energy storage: the energy storage switch 16 on the starter handle 5 is pressed down, the gear motor 6 starts to rotate, the gear 3 is driven by the gear motor to drive the driving shaft gear disc 8 to rotate, the driving shaft 18 rotates along with the driving shaft gear disc 8 sleeved on the driving shaft, and the energy storage spring 9 wound on the driving shaft 18 starts to store energy until the energy storage of the energy storage spring 9 is completed. After the energy storage is completed, the non-return sliding block 13 is propped against the non-return ratchet 12 under the action of the thrust spring 14, and the transmission shaft 18 and the energy storage spring 9 cannot automatically release energy.
The starter is also provided with a gear motor driving gear shell 4 and an energy storage spring shell 2, the two shells are communicated, and a starter handle 5 is fixedly connected with the gear motor driving gear shell 4 and the energy storage spring shell 2; the hand-operated transmission shaft bearing 1, the starter handle 5, the gear motor 6, the driving shaft gear disk 8, the energy storage spring 9, the non-return ratchet 12, the non-return sliding block 13, the thrust spring, the electromagnet 15, the transmission shaft 18, the reset spring 19, the limit key 20 and the transmission shaft torque transmission key 21 are all arranged in the energy storage spring shell 2; the gear motor driving gear 3 is arranged inside the gear motor driving gear housing 4; one end of the transmission shaft 18 is provided with a starter claw 10, the other end is provided with a transmission shaft torque transmission key 21, the hand-operated mechanical claw 7 can be inserted through a through hole in the energy storage spring shell 2, and the hand-operated mechanical claw torque transmission groove 22 is inserted into the transmission shaft torque transmission key 21; the two ends of the transmission shaft 18 are supported in the energy storage spring shell 2 by hand-operated transmission shaft bearings 1, and the gear motor 6 is supported on the outer surface of the gear motor driving gear shell 4 by a gear motor driving gear bearing 11.
Starting the unmanned aerial vehicle: the starter handle 5 is held, the starter claw 10 is connected with an aero-piston engine crankshaft of the unmanned aerial vehicle, the starting switch 17 is pressed, the electromagnet 15 is electrified, the non-return sliding block 13 overcomes the thrust of the thrust spring 14 to separate from the non-return ratchet 12, the non-return ratchet 12 is fixedly connected with the transmission shaft 18, therefore, the transmission shaft 18 rotates under the energy release of the energy storage spring 9, the transmission shaft 18 is fixedly connected with the starter claw 10, the starter claw 10 transmits force to the aero-piston engine crankshaft of the unmanned aerial vehicle, the engine crankshaft rotates to drive the piston engine to compress heavy oil spray, heavy oil burns, and the engine is started normally.
The invention can also respectively store energy of a plurality of portable starters by one speed reducing motor and then connect the portable starters in series so as to start unmanned aerial vehicles with different power levels.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The portable spring energy storage starter for the unmanned aerial vehicle is characterized by being suitable for the unmanned aerial vehicle adopting a piston engine, and comprises a gear motor, a starter claw, an energy storage spring, a transmission shaft, a crank and a hand-operated mechanical claw; the hand-operated mechanical claw is in transmission connection with the transmission shaft, the energy storage spring is wound on the transmission shaft, the hand-operated mechanical claw is driven to rotate when the crank is inserted into the hand-operated mechanical claw, and the transmission shaft is driven to rotate by the rotation of the hand-operated mechanical claw, so that the energy storage spring is stored; the motor is in transmission connection with the transmission shaft and can also store energy for the energy storage spring; the starter claw is fixedly connected with the transmission shaft, and the starter claw can transmit the rotation of the transmission shaft to a piston engine crankshaft of the unmanned aerial vehicle so as to start the engine of the unmanned aerial vehicle.
2. The portable spring energy storage starter for the unmanned aerial vehicle according to claim 1, wherein the hand-operated mechanical claw and transmission shaft transmission connection structure comprises a hand-operated mechanical claw torque transmission groove arranged at one end of the hand-operated mechanical claw, and a transmission shaft torque transmission key arranged at one end of the transmission shaft; when the crank is inserted into the hand-operated mechanical claw, the hand-operated mechanical claw moves along the axial direction of the transmission shaft, so that the hand-operated mechanical claw torque transmission groove is inserted into the transmission shaft torque transmission key, and the transmission shaft rotates along with the hand-operated mechanical claw.
3. The portable spring energy storage starter for the unmanned aerial vehicle according to claim 2, wherein the transmission connection structure of the gear motor and the transmission shaft comprises a gear motor driving gear connected with the speed reducer and a driving shaft gear disc, and the driving shaft gear disc is sleeved on the transmission shaft; after the gear motor is started, the gear motor drives the gear wheel disc of the driving shaft to rotate, and the transmission shaft rotates along with the gear wheel disc of the driving shaft.
4. The portable spring energy storage starter for unmanned aerial vehicle according to claim 3, further comprising a return spring sleeved on the torque transmission key of the transmission shaft, wherein after the energy storage is completed, the hand-operated mechanical claw is reset under the action of the return spring and is separated from the transmission shaft; the hand-operated mechanical claw is provided with the limit key for limiting, so that the hand-operated mechanical claw is prevented from falling.
5. The portable spring energy storage starter for an unmanned aerial vehicle of claim 4, further comprising a check mechanism comprising a check slider, a thrust spring, a check ratchet, the check ratchet being fixedly connected to the drive shaft, the thrust spring being connected to the check slider; after the energy storage is completed, the non-return sliding block is propped against the non-return ratchet wheel under the action of the thrust spring to lock the non-return ratchet wheel, so that the transmission shaft and the energy storage spring cannot automatically release energy.
6. The portable spring energy storage starter for unmanned aerial vehicle of claim 5, further comprising a starter handle, wherein an energy storage switch and a starting switch are installed on the starter handle, the energy storage motor switch is used for starting the gear motor to store energy for the energy storage spring, the starting switch is used for releasing energy of the energy storage spring, and the transmission shaft rotates.
7. The portable spring energy-storage starter for unmanned aerial vehicle of claim 6, further comprising an electromagnet electrically connected with the starting switch, wherein the electromagnet is connected with the thrust spring, the electromagnet is energized, and the non-return slider is disengaged from the non-return ratchet against the thrust of the thrust spring, so that the energy of the energy-storage spring is released to drive the transmission shaft to rotate.
8. The portable spring energy storage starter for unmanned aerial vehicle of claim 7, further comprising a gear motor drive gear housing, an energy storage spring housing; the starter handle is fixedly connected with the gear housing of the gear motor and the energy storage spring housing; the two ends of the transmission shaft are supported in the energy storage spring shell by hand-operated transmission shaft bearings, and the gear motor is supported on the outer surface of the gear motor driving gear shell by a gear motor driving gear bearing.
9. The portable spring energy storage starter for unmanned aerial vehicle of claim 8, wherein the starter has two energy storage modes, one is to store energy for the spring manually by using a starter handle, and the other is to store energy for the spring by using a gear motor.
10. A method of starting a drone using a starter according to any one of claims 6 to 9, comprising the steps of:
firstly, holding a starter handle of the starter which has completed energy storage, and connecting a starter claw with a piston engine crankshaft of the unmanned aerial vehicle;
then, the starting switch is pressed down, the electromagnet is electrified, the energy storage spring starts to release energy, and the transmission shaft rotates under the energy release of the energy storage spring;
finally, the starter claw transmits the rotation of the transmission shaft to the crankshaft of the piston engine of the unmanned aerial vehicle, the crankshaft of the engine rotates to drive the piston engine to compress heavy oil spray and burn heavy oil, and the piston engine is started normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310403922.6A CN116517744A (en) | 2023-04-17 | 2023-04-17 | Portable spring energy storage starter for unmanned aerial vehicle and starting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310403922.6A CN116517744A (en) | 2023-04-17 | 2023-04-17 | Portable spring energy storage starter for unmanned aerial vehicle and starting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116517744A true CN116517744A (en) | 2023-08-01 |
Family
ID=87398643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310403922.6A Pending CN116517744A (en) | 2023-04-17 | 2023-04-17 | Portable spring energy storage starter for unmanned aerial vehicle and starting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116517744A (en) |
-
2023
- 2023-04-17 CN CN202310403922.6A patent/CN116517744A/en active Pending
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