CN203612222U - Onboard power generating equipment of unmanned aerial vehicle - Google Patents
Onboard power generating equipment of unmanned aerial vehicle Download PDFInfo
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- CN203612222U CN203612222U CN201320804732.7U CN201320804732U CN203612222U CN 203612222 U CN203612222 U CN 203612222U CN 201320804732 U CN201320804732 U CN 201320804732U CN 203612222 U CN203612222 U CN 203612222U
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- unmanned aerial
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Abstract
The utility model relates to onboard power generating equipment of an unmanned aerial vehicle. The onboard power generating equipment of the unmanned aerial vehicle comprises a brushless generator, a three-phase alternating current rectifier, a 5V DC-DC module, a 12V DC-DC module and a lithium iron phosphate battery. The onboard power generating equipment of the unmanned aerial vehicle is characterized in that the brushless generator is connected with the DC-DC modules through the three-phase alternating current rectifier, the 5V DC-DC module and the 12V DC-DC module in the DC-DC modules are both in parallel connection with the lithium iron phosphate battery, the 5V DC-DC module is connected with a steering engine, and the 12V DC-DC module is connected with a self-driving instrument, a broadcasting station and cloud deck camera shooting equipment. The onboard power generating equipment of the unmanned aerial vehicle is a direct-current electrical power unit which supplies two paths of voltages to the unmanned aerial vehicle, so that the unmanned aerial vehicle has super-long journey continuation flight time. The equipment is small in size, low in weight and capable of providing efficient electric energy and stable voltages, the equipment can transmit engine revolution, power generation voltages, load power distribution parameters and the like to a ground station during flight by being in communication with the self-driving instrument on the unmanned aerial vehicle, and signals are stable and reliable.
Description
Technical field
The utility model belongs to unmanned plane field, relates to the generating of unmanned plane, especially a kind of unmanned aerial vehicle onboard generating set.
Background technology
At present, unmanned plane electric energy is provided by on-board batteries, and battery quality causes more greatly unmanned plane load larger, and longer required electric weight of flight time is more, and when long boat, the required equipped battery of unmanned plane is heavier, and its heavy burden causes more waste of energy.
Airborne generating set is not yet applied in unmanned plane field, and the common weight of airborne power generation assembly using in existing air equipment is heavier, size is larger, is difficult to directly be applied on unmanned plane, and the spread of voltage producing, cause thus the communication of self-driving instrument to be a greater impact.Because the various parameters that send are unstable, easily cause various data parameters confusions, affect the ground control of unmanned plane and effect and the quality of taking photo by plane.And, because UAV system capacity of cell is limited at present, electronic machine in aircraft is more and more, electronic machine powerup issue, flight problem in cruise duration, can not meet the demand of the many electricity of unmanned plane, full electricity and flying for long time, if directly provide enough large electric energy to supply aircraft flight will have larger difficulty from the limited battery of aircraft.
As can be seen here, the cruising range of the airborne generating set of unmanned plane to unmanned plane, stable the having a very important role of signal transmission.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and the unmanned aerial vehicle onboard that a kind of size is little, lightweight, electric energy is efficient and stable generating set is provided.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of unmanned aerial vehicle onboard generating set, comprise brushless generator, three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell, it is characterized in that: described brushless motor is connected with DC-DC module by three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell in DC-DC module are and are connected in parallel, 5VDC-DC module connects steering wheel, and 12VDC-DC module connects self-driving instrument, radio station and The Cloud Terrace picture pick-up device.
And, described three plase alternating current rectifier is used between brushless generator and the DC-DC modular converter of airborne generating set inside, the DC voltage of DC-DC modular converter equates with the commutating voltage of electrical generator AC voltage, within the generating voltage one of brushless generator fixes on 9-36V scope.
And described brushless power-generating magnitude of voltage is measured between any two joints of electrical generator, provides electric energy if voltage under 9V, will automatically switch to ferric phosphate lithium cell.
Advantage of the present utility model and good effect are:
1, the utility model is the DC power supply device that two-way voltage is provided for unmanned aerial vehicle, make aircraft there is the overlength duration flight time, this equipment size is little, lightweight, efficient electric energy and stable voltage can be provided, with self-driving instrument communication on aircraft, engine revolution, generating voltage, bearing power allocation of parameters etc. are sent to ground station during flying, signal stabilization is reliable.
2, the utility model changes mechanical energy into electric energy by brushless generator, and through rectification output 9-36V direct current (DC), one tunnel drives load through DC-DC conversion (optional) output 5V and 12V for aircraft, one tunnel provides rechargeable electrical energy for reserce cell, reserce cell take off in advance check or during engine breakdown, provide unmanned plane equipment load power energy as emergency source of electrical power, effective guarantee the serviceability of unmanned plane.
3, the utility model utilizes unmanned vehicle engine drive motor to generate electricity, and mechanical energy is converted to apparatus of load on electric energy supplying machine, and airborne generating has improved power supply state, has in actual applications the effect of positive important.
4, the utility model can be according to the different loads of different aircrafts, select different DC-DC module output to meet different loading demands, and the weight of airborne power generation assembly itself is lighter, type while being particularly useful for long boat, and the flight time, longer advantage was more obvious.
Accompanying drawing explanation
Fig. 1 is circuit structure block scheme of the present utility model;
Fig. 2 is the inner connection diagram of the utility model brushless generator and airborne generating set;
Fig. 3 is brushless generator generating voltage 5V output efficiency curve;
Fig. 4 is brushless generator generating voltage 12V output efficiency curve.
The specific embodiment
Below in conjunction with accompanying drawing and by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of unmanned aerial vehicle onboard generating set, comprise brushless generator, three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell (4Sbat), brushless motor is connected with DC-DC module by three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell in DC-DC module are and are connected in parallel, 5VDC-DC module connects steering wheel, and 12VDC-DC module connects self-driving instrument, radio station and The Cloud Terrace picture pick-up device etc.
Three plase alternating current rectifier is used between electrical generator and the DC-DC modular converter of airborne generating set inside, referring to Fig. 2, therefore the DC voltage of DC-DC modular converter equates with the commutating voltage of electrical generator AC voltage, within the generating voltage one of electrical generator fixes on 9-36V scope in this case.Generating voltage value can be measured between any two joints of electrical generator.If voltage is under 9V, airborne generating set will automatically switch to reserce cell electric energy will be provided.
Main characteristic parameters of the present utility model:
Lightweight, size is little; 9-36V input range; 150W continuous load;
● brushless generator; ● 5V and 12V output; ● the maximum 6A of load current; ● reserce cell connects; ● ferric phosphate lithium cell charging;
Electronic parameter:
Brushless generator generating voltage scope 9-36V
Battery types LiFePO4
Cell pressure 13.2V
The maximum received current 3A of battery
The maximum received current 10A that continues of battery
Continuous load current, 5V exports 3A
Continuous load current, 12V exports 3A
10 seconds 8A of greatest peak load current
5V output efficiency 86%
12V output efficiency 90%
Electrical generator revolution 12000-14000rpm
Electrical generator revolution accuracy rate 200rpm
Mechanical configuration parameter
Size 90*86*43mm
Weight 360g
Cooling method aluminum thermal fin
70 ℃ of the highest accessory temperatures
℃-+50 ℃, operating temperature-40.
Example: odontoid belt drives electrical generator, and the ratio of number of teeth between two gears can select to guarantee that airborne generating set (AGPU) input voltage limits at 36V.In many cases, low engine revolution causes generating voltage lower than 12V, this means that emergency battery will provide electric energy for unmanned flight system, provide electric energy at the unmanned plane of extra time low-speed operations by emergency battery.According to practical flight task, the capacity of battery needs to calculate.Capacity of cell (Ah)=work-hours (h) * average load power (W)/cell pressure (V)/0.8.
In the utility model, airborne generating set (AGPU) has two electronics aviation interfaces.
Claims (3)
1. a unmanned aerial vehicle onboard generating set, comprise brushless generator, three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell, it is characterized in that: described brushless motor is connected with DC-DC module by three plase alternating current rectifier, 5VDC-DC module, 12VDC-DC module and ferric phosphate lithium cell in DC-DC module are and are connected in parallel, 5VDC-DC module connects steering wheel, and 12VDC-DC module connects self-driving instrument, radio station and The Cloud Terrace picture pick-up device.
2. unmanned aerial vehicle onboard generating set according to claim 1, it is characterized in that: described three plase alternating current rectifier is used between brushless generator and the DC-DC modular converter of airborne generating set inside, the DC voltage of DC-DC modular converter equates with the commutating voltage of electrical generator AC voltage, within the generating voltage one of brushless generator fixes on 9-36V scope.
3. unmanned aerial vehicle onboard generating set according to claim 1, is characterized in that: described brushless power-generating magnitude of voltage is measured between any two joints of electrical generator, provides electric energy if voltage under 9V, will automatically switch to ferric phosphate lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804732.7U CN203612222U (en) | 2013-12-06 | 2013-12-06 | Onboard power generating equipment of unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804732.7U CN203612222U (en) | 2013-12-06 | 2013-12-06 | Onboard power generating equipment of unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203612222U true CN203612222U (en) | 2014-05-28 |
Family
ID=50764882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804732.7U Withdrawn - After Issue CN203612222U (en) | 2013-12-06 | 2013-12-06 | Onboard power generating equipment of unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203612222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738503A (en) * | 2013-12-06 | 2014-04-23 | 天津全华时代航天科技发展有限公司 | Onboard power generation equipment of unmanned aerial vehicle |
-
2013
- 2013-12-06 CN CN201320804732.7U patent/CN203612222U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738503A (en) * | 2013-12-06 | 2014-04-23 | 天津全华时代航天科技发展有限公司 | Onboard power generation equipment of unmanned aerial vehicle |
| CN103738503B (en) * | 2013-12-06 | 2015-11-18 | 天津全华时代航天科技发展有限公司 | A kind of unmanned aerial vehicle onboard generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |