CN112910029B - Unmanned aerial vehicle power quality boost circuit - Google Patents
Unmanned aerial vehicle power quality boost circuit Download PDFInfo
- Publication number
- CN112910029B CN112910029B CN202110060787.0A CN202110060787A CN112910029B CN 112910029 B CN112910029 B CN 112910029B CN 202110060787 A CN202110060787 A CN 202110060787A CN 112910029 B CN112910029 B CN 112910029B
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- contactor
- unmanned aerial
- aerial vehicle
- bus bar
- control coil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/008—Arrangements for controlling electric generators for the purpose of obtaining a desired output wherein the generator is controlled by the requirements of the prime mover
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/30—Special adaptation of control arrangements for generators for aircraft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an unmanned aerial vehicle power quality improving circuit which comprises a diode D, a resistor R, a capacitor C, a contactor KM1, a contactor KM2 and a contactor KM3, wherein the anode of the diode D is connected with the anode of a storage battery, the cathode of the storage battery is connected to the ground, the cathode of the diode D is respectively connected with one end of the contactor KM1, one end of the resistor R, the control coil positive end of the contactor KM1 and the control coil positive end of the contactor KM2, the control coil negative end of the contactor KM1 is connected with the 2 end of a net casting switch K1, and the other end of the contactor KM1 is connected with a bus bar. According to the invention, the bus bar is connected with the capacitor in parallel, so that the output of the direct current generator is subjected to filtering and voltage stabilization, the power quality of the bus bar is improved, the power quality requirement on the direct current generator can be reduced, the use of an industrial generator represented by an automobile generator on an unmanned aerial vehicle becomes possible, and the cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to a power quality improving circuit of an unmanned aerial vehicle.
Background
At present, the power quality of large and medium-sized unmanned aerial vehicles and the power consumption characteristic requirements on airborne electric equipment are mainly executed according to the national military standard, and the price of a generator serving as a main power source of the unmanned aerial vehicle is not high.
As the cost of the unmanned aerial vehicle is reduced, the cost of the generator configured in the unmanned aerial vehicle is also reduced, for example, an industrial generator represented by an automobile generator is selected. However, the quality of the power supply of the generator is often poor and can not meet the national military standard, and the direct use of the generator can threaten airborne electric equipment and even endanger flight safety.
At present, on part of navigation airplanes, a lead-acid battery and a generator are directly connected in parallel, and the output of the generator is filtered and stabilized by the lead-acid battery, so that the quality of a power supply is improved. Along with the development of battery technology, unmanned aerial vehicle generally uses the higher lithium cell of energy density, because the charging of lithium cell has strict requirement, needs dedicated charger to charge, and does not allow the lithium cell directly to be connected with the power, consequently can not use the lithium cell to carry out filtering steady voltage to generator output.
Disclosure of Invention
Aiming at the defects in the prior art, the power quality improving circuit of the unmanned aerial vehicle solves the problem that an industrial generator with relatively poor power quality is used for a medium-sized and large-sized unmanned aerial vehicle.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: the utility model provides an unmanned aerial vehicle power quality improvement circuit, includes diode D, resistance R, electric capacity C, contactor KM1, contactor KM2 and contactor KM3, the positive pole of diode D connects the positive pole of battery, the negative pole of battery is connected to ground, diode D's negative pole is connected with contactor KM 1's one end, resistance R's one end, contactor KM 1's control solenoid positive terminal and contactor KM 2's control solenoid positive terminal respectively, contactor KM 1's control solenoid negative terminal is connected with net casting switch K1's 2 end, the busbar is connected to contactor KM 1's the other end, resistance R's the other end is connected with electric capacity C's one end and contactor KM 2's one end respectively, electric capacity C's the other end is connected to ground, contactor KM 2's control solenoid negative terminal is connected with net casting switch K1's 1 end, contactor KM 2's the other end is connected with the busbar, net casting switch K1's 3 end and 4 end all are connected to ground, direct current generator's output is connected to contactor KM3 negative terminal, direct current generator's the negative terminal is connected to contactor KM3 with the negative terminal, contactor KM3 is connected with the control solenoid, the control solenoid is connected with the control solenoid switch KM2 negative terminal.
Further: the storage battery is a lithium ion battery.
Further: and the network switch K1 is a multi-contact linked switch.
Further: the resistor R is a power type current limiting resistor.
Further: the net throwing switch K1 is firstly switched on, and the net throwing switch K2 is then switched on.
Further: the busbar sets up on unmanned aerial vehicle.
The beneficial effects of the invention are as follows:
(1) According to the invention, the capacitors are connected in parallel with the bus bars, so that the output of the direct current generator is subjected to filtering and voltage stabilization, the quality of the bus bar power supply is improved, the power supply quality requirement on the direct current generator can be reduced, the use of an industrial generator represented by an automobile generator on an unmanned aerial vehicle becomes possible, and the cost is greatly reduced;
(2) The capacitor is connected with the bus bar through the normally open contact of the contactor, the contactor is controlled by the manual switch, and the capacitor is disconnected with the bus bar in a non-power-on state, namely in a state that the manual switch is disconnected, so that unexpected electric energy is not provided for the bus bar, and the safety of the system is ensured;
(3) The storage battery in the invention is pre-charged to the capacitor after being limited by the current-limiting resistor, so that the problem of large current transient state at the initial stage of capacitor charging can be effectively avoided, and the damage of contact ignition, device damage, service life reduction and the like can be avoided;
(4) The storage battery is isolated by the diode and then outputs outwards, so that the current can be prevented from flowing backwards to the storage battery, the use requirement of the lithium battery can be met, and compared with the traditional lead-acid battery, the lithium battery is lighter in weight and smaller in size.
Drawings
FIG. 1 is a schematic diagram of the circuit of the present invention;
fig. 2 is a circuit diagram of embodiment 1 of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1, an unmanned aerial vehicle power quality improvement circuit is characterized by comprising a diode D, a resistor R, a capacitor C, a contactor KM1, a contactor KM2 and a contactor KM3, wherein the positive electrode of the diode D is connected with the positive electrode of a storage battery, the negative electrode of the storage battery is connected to the ground, the negative electrode of the diode D is respectively connected with one end of the contactor KM1, one end of the resistor R, the positive control coil end of the contactor KM1 and the positive control coil end of the contactor KM2, the negative control coil end of the contactor KM1 is connected with the 2 end of a network switch K1, the other end of the contactor KM1 is connected with a bus bar, the other end of the resistor R is respectively connected with one end of the capacitor C and one end of the contactor KM2, the other end of the capacitor C is connected to the ground, the positive control coil end of the contactor KM2 is connected with the 1 end of a network switch K1, the other end of the contactor KM2 is connected with a bus bar, the 3 and 4 ends of the network switch K1 are connected to the ground, one end of the contactor KM3 is connected with the negative control coil end of a direct current generator, the other end of the contactor is connected with the bus bar of the direct current generator, and the contactor KM3, the other end of the control coil is connected with the control coil end of the control switch KM3, and the control coil is connected with the control coil.
Example 1: as shown in fig. 2, the invention relates to a 14V power quality improving circuit for an unmanned aerial vehicle, which comprises a 14V lithium battery, a diode D, a storage battery contactor KM1, a 2W/100 Ω current-limiting resistor R, a 56000 μ F capacitor G, a capacitor contactor KM2, a storage battery networking switch K1, a 14V direct-current generator, a main power networking switch K2 and a main power contactor KM3; the 14V lithium battery supplies power to the 14V bus bar through the diode D and the storage battery contactor KM1 in sequence; the positive end of a control coil of the storage battery contactor KM1 is connected with the output of a diode D, and the negative end of the control coil is connected with a storage battery networking switch K1; the 14V lithium battery sequentially charges the capacitor C through the diode D and the current-limiting resistor R; the capacitor C is connected with a 14V bus bar through a capacitor contactor KM 2; the positive end of a control coil of the capacitor contactor KM2 is connected with the output of the diode D, and the negative end of the control coil is connected with a storage battery networking switch K1; a 14V direct current generator supplies power to a 14V bus bar through a main power supply contactor KM3; the positive end of a control coil of the main power supply contactor KM3 is connected with a 14V bus bar, and the negative end of the control coil is connected with a main power supply network switch K2.
The working principle of the embodiment is as follows:
1. in the initial state, a 14V lithium battery plug is not plugged, and the storage battery network switch K1 and the main power supply network switch K2 are both disconnected;
2. a 14V lithium battery plug is inserted, the 14V lithium battery pre-charges the capacitor C through the diode D and the current-limiting resistor R, the current-limiting resistor R enables the instant current to be not more than 0.15A after the capacitor C is connected, and the capacitor C can be charged to be close to 13V and basically full of the capacitor C within 17s;
3. the storage battery networking switch K1 is connected, the storage battery contactor KM1 and the capacitor contactor KM2 are controlled to be connected, a 14V lithium battery supplies power to a 14V bus bar through a diode D and the storage battery contactor KM1, and a capacitor C is connected with the 14V bus bar through the capacitor contactor KM 2; at the moment, the 14V bus bar of the unmanned aerial vehicle is electrified, so that the electrification inspection of the unmanned aerial vehicle can be finished;
4. after an engine of the unmanned aerial vehicle is started, a 14V direct-current generator starts to generate power, and after the condition of network switching of the generator is achieved, a main power supply network switching switch K2 is switched on to control a main power supply contactor KM3 to be switched on; at the moment, the connection impedance between the capacitor C and the output of the 14V generator is extremely small, and the capacitor C plays a role in filtering and stabilizing voltage, so that the quality of a power supply can be effectively improved;
5. after the unmanned aerial vehicle finishes a work task, sequentially disconnecting a main power supply network switch K2 and a storage battery network switch K1, disconnecting a main power supply contactor KM3, a storage battery contactor KM1 and a capacitor contactor KM2, and disconnecting a 14V bus bar;
6. if the unmanned aerial vehicle needs to be placed for a long time, pulling out the 14V lithium battery plug; if the lithium battery is used again for a short time, the 14V lithium battery plug can not be pulled out, and the electricity of the battery and the capacitor C is disconnected from the bus bar, so that the unexpected power supply is not caused.
Claims (6)
1. The unmanned aerial vehicle power supply quality improvement circuit is characterized by comprising a diode D, a resistor R, a capacitor C, a contactor KM1, a contactor KM2 and a contactor KM3, wherein the positive electrode of the diode D is connected with the positive electrode of a storage battery, the negative electrode of the storage battery is connected to the ground, the negative electrode of the diode D is respectively connected with one end of the contactor KM1, one end of the resistor R, the positive end of a control coil of the contactor KM1 and the positive end of a control coil of the contactor KM2, the negative end of the control coil of the contactor KM1 is connected with the end 2 of a network switch K1, the other end of the contactor KM1 is connected with a bus bar, the other end of the contactor KM1 is connected with the other end of the resistor R is respectively connected with one end of the capacitor C and one end of the contactor KM2, the other end of the capacitor C is connected to the ground, the negative end of the control coil of the contactor KM2 is connected with the end 1 of the network switch K1, the other end of the contactor KM2 is connected with a bus bar, the end 3 and the end 4 of the network switch K1 are both connected to the ground, one end of the contactor KM3 is connected with the positive end of a direct current generator, the positive end of the control coil of the contactor KM, the negative end of the contactor KM3, and the control coil K3 is connected with the control bus bar, and the control switch KM3, and the control bus bar, and the control switch KM3 is connected with the ground through the control coil K3.
2. The unmanned aerial vehicle power quality improvement circuit of claim 1, wherein the battery is a lithium ion battery.
3. The unmanned aerial vehicle power quality improving circuit of claim 1, wherein the network switch K1 is a multi-contact gang switch.
4. The unmanned aerial vehicle power quality improving circuit of claim 1, wherein the resistor R is a power type current limiting resistor.
5. The unmanned aerial vehicle power quality improvement circuit of claim 1, characterized in that, throw net switch K1 and put through after throwing net switch K2 first.
6. The unmanned aerial vehicle power quality improvement circuit of claim 1, wherein the bus bar is disposed on the unmanned aerial vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060787.0A CN112910029B (en) | 2021-01-18 | 2021-01-18 | Unmanned aerial vehicle power quality boost circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060787.0A CN112910029B (en) | 2021-01-18 | 2021-01-18 | Unmanned aerial vehicle power quality boost circuit |
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| Publication Number | Publication Date |
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| CN112910029A CN112910029A (en) | 2021-06-04 |
| CN112910029B true CN112910029B (en) | 2023-02-10 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2906787B1 (en) * | 2006-10-10 | 2009-03-20 | Airbus France Sa | SYSTEM AND METHOD FOR CONTINUOUS POWER SUPPLYING AN ELECTRICAL NETWORK ON BOARD AN AIRCRAFT |
| CN201284193Y (en) * | 2008-06-17 | 2009-08-05 | 天津港(集团)有限公司 | Direct current drive type tyre arm derrick crane using super capacitor |
| CN202172301U (en) * | 2011-09-02 | 2012-03-21 | 北京航空航天大学 | Topology connection structure of energy storage battery and aero-generator |
| US9350187B2 (en) * | 2012-01-09 | 2016-05-24 | Johnson Controls Technology Llc | Pre-charging vehicle bus using parallel battery packs |
| US20160325834A1 (en) * | 2015-05-07 | 2016-11-10 | Curtis Asa Foster | In-flight battery recharging system for an unmanned aerial vehicle |
| CN105322636A (en) * | 2015-08-10 | 2016-02-10 | 南京多零无人机技术有限公司 | Parallel hybrid power module for multi-rotor aircraft |
| CN106740155B (en) * | 2015-11-20 | 2019-07-16 | 通用电气公司 | Distance increasing unit, Energy Management System and energy management method |
| CN206962431U (en) * | 2017-08-03 | 2018-02-02 | 重庆市汇高通信技术有限公司 | A kind of wiring protector of dc generator |
| CN107612115A (en) * | 2017-08-07 | 2018-01-19 | 中国航空工业集团公司沈阳飞机设计研究所 | Airborne lithium battery group is thrown and moves back power grid control method and control device |
| CN208190342U (en) * | 2018-05-30 | 2018-12-04 | 广东万虹科技有限公司 | A kind of power-supply system for unmanned plane |
| CN109018309B (en) * | 2018-09-20 | 2021-07-16 | 四川腾盾科技有限公司 | Transverse automatic balancing control method of double-engine propeller unmanned aerial vehicle |
| CN111082506B (en) * | 2019-12-25 | 2021-11-16 | 北京卫星制造厂有限公司 | Energy management system and method suitable for autonomous multifunctional service aircraft |
| CN111688506A (en) * | 2020-07-13 | 2020-09-22 | 东风汽车股份有限公司 | High-voltage power distribution circuit from extended-range charger to power battery and control method thereof |
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