CN112829953A - Series structure of unmanned aerial vehicle motor electronic speed regulator - Google Patents
Series structure of unmanned aerial vehicle motor electronic speed regulator Download PDFInfo
- Publication number
- CN112829953A CN112829953A CN202110272784.3A CN202110272784A CN112829953A CN 112829953 A CN112829953 A CN 112829953A CN 202110272784 A CN202110272784 A CN 202110272784A CN 112829953 A CN112829953 A CN 112829953A
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- CN
- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- electronic speed
- motors
- speed regulator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
- B64D27/24—Aircraft characterised by the type or position of power plant using steam, electricity, or spring force
-
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/68—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors
- H02P5/685—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors electrically connected in series, i.e. carrying the same current
Abstract
The invention discloses a serial structure of an electronic speed regulator of a motor of an unmanned aerial vehicle, which comprises a power supply, a plurality of electronic speed regulators and a plurality of motors, wherein the power supply is connected with the electronic speed regulators; the power supply is connected with each electronic speed regulator in series; the electronic speed regulators are connected with the motors in the same number in a one-to-one correspondence mode, the motors are connected with propellers, and the rotating speeds of the motors and the propellers are the same. The invention increases the flexibility of the topology of the unmanned airborne power network; the voltage at two ends of the electronic speed regulator is reduced, and the system safety is improved; the manufacturing difficulty is reduced, and the manufacturing process is simplified; the weight of the system is reduced, the power-weight ratio of the unmanned aerial vehicle is improved, and the carrying capacity of the unmanned aerial vehicle is further improved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a serial structure of an electronic speed regulator of a motor of an unmanned aerial vehicle.
Background
An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Drones tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than are manned aircraft. Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.
However, the electronic speed regulators connected with each rotor motor of the current unmanned aerial vehicle generally adopt a parallel connection mode, and have the following technical disadvantages: 1. due to the limit of self weight, the loading capacity of the unmanned aerial vehicle is always limited; 2. the main line electric current is great, need adopt thicker electric wire, is showing the weight that has increased unmanned aerial vehicle. Improvements are therefore needed.
Disclosure of Invention
The invention aims to provide a serial structure of an electronic speed regulator of a motor of an unmanned aerial vehicle, which aims to solve the technical problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a serial structure of electronic speed regulators of unmanned aerial vehicle motors comprises a power supply, a plurality of electronic speed regulators and a plurality of motors;
the power supply is connected with each electronic speed regulator in series;
the electronic speed regulators are connected with the motors in the same number in a one-to-one correspondence mode, the motors are connected with propellers, and the rotating speeds of the motors and the propellers are the same.
Preferably, the number of the motors may be four, six, eight, ten.
Preferably, the power supply is an energy storage device on the unmanned aerial vehicle.
Preferably, the voltage shared by each motor can be controlled by controlling the motors, so that the power load balance is controlled, and the rotating speed of the motors is further controlled.
The invention has the technical effects and advantages that:
1. the invention increases the flexibility of the topology of the unmanned airborne power network;
2. the invention reduces the voltage at the two ends of the electronic speed regulator and improves the system safety;
3. the invention reduces the manufacturing difficulty and simplifies the manufacturing process;
4. the invention reduces the weight of the system, improves the power-weight ratio of the unmanned aerial vehicle and further improves the loading capacity of the unmanned aerial vehicle.
Drawings
Fig. 1 is a schematic diagram of a parallel structure of an electronic speed regulator of a motor of an unmanned aerial vehicle in the prior art.
Fig. 2 is a schematic diagram of a tandem structure of the electronic speed regulator of the motor of the unmanned aerial vehicle.
Description of reference numerals: 1. a power source; 2. an electronic governor; 3. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a series structure of an electronic speed regulator of a motor of an unmanned aerial vehicle as shown in figure 2, which comprises a power supply 1, a plurality of electronic speed regulators 2 and a plurality of motors 3;
the power supply 1 is connected with each electronic speed regulator 2 in series;
the electronic speed regulators 2 are connected with the motors 3 in the same number in a one-to-one correspondence mode, the motors 3 are connected with propellers, and the motors 3 are the same as the propellers in rotating speed.
The number of the motors 3 can be four, six, eight, ten, etc., and can be an even number.
The power supply 1 is an energy storage device on the unmanned aerial vehicle.
The voltage shared by each motor 3 can be controlled by controlling the motors 3, so that the power load balance is controlled, and the rotating speed of the motors 3 is further controlled.
Fig. 1 is a schematic diagram of a parallel structure of an electronic speed regulator of a motor of an unmanned aerial vehicle in the prior art, which compares a series scheme with a parallel scheme:
setting the voltage at two ends of the power supply as U0The voltage across the electronic governor is:
parallel connection: u shape1，U2，…，Un(n ═ 4, 6, 8, and the like);
series connection: u'1，U′2，…，U′n(n ═ 4, 6, 8, and the like);
assuming that the rotation speeds of the motors are the same:
if the parallel connection mode is adopted, U is1＝U2＝…＝Un＝U0The current at two ends of each electronic speed regulator is recorded as I1Then, the current I flows through the A and B wiresAB＝nI1Current I across B and CAB＝(n-1)I1By analogy, the current of the last section of the wire is I1；
If the serial connection mode is adopted, then
Note that the current in the loop is I'1And then I'1＝I1；
Let I160A, n is 4, assuming that the lengths of the wires AB, A1B1, BC, B1C1, CD, C1D1, DE, D1E1, etc. are all equal, denoted as l;
assuming that connecting wires between adjacent electronic speed regulators in a series connection mode are all equal and are also marked as l;
in the parallel mode, the total length of the DE, D1E1 sections of the wire is 2l, and the passing current is I1Namely, the position of the magnetic core is 60A,
the total length of the CD and the C1D1 section of wire is 2l, and the current passing through the CD and the C1D1 section of wire is 2I1The number of the channels, namely 120A,
the total length of the BC, B1C1 segment wire is 2l, and the current passing through the wire is 3I1Namely, the position of the end face of the 180A,
the total length of the AB, A1B1 segment wire is 2l, and the current passing through the AB, A1B1 segment wire is 4I1I.e., 240A;
in the series connection mode, a section A 'B', a section C 'D', a section E 'F', a section G 'H',l for the sections of wire I 'J', total length 5l, current I 'passed'1Is 60A;
under the condition of long-time operation, 16 square millimeter copper wires are required to be used for 60A, 25 square millimeter copper wires are required to be used for 120A, 70 square millimeter copper wires are required to be used for 180A, and 95 square millimeter copper wires are required to be used for 240A.
The weight of the copper wire used in parallel, ρ (16 × 2l +25 × 2l +70 × 2l +95 × 2l) ═ 412 ρ l;
the weight of copper wire used in series, ρ (16 × 5l) 90 ρ l;
the density of copper is 8.9g/cm3Taking l as 1 m;
the weight of the copper wire used in parallel is 412 ρ l-412/106*8.9/103*106*1≈3.67kg；
The weight of the copper wires used in series connection is,
the series scheme saves 2.87kg than the parallel scheme, and reduces
Doubling;
similarly, if the six-axis unmanned aerial vehicle is adopted, the series scheme is saved by 7.47kg compared with the parallel scheme, and reduction is realized
Doubling;
similarly, if an eight-axis unmanned aerial vehicle is adopted, the series connection scheme is saved by 13.6kg compared with the parallel connection scheme, and reduction is realized
And (4) doubling.
Known by above data, the whole weight that unmanned aerial vehicle can significantly reduce by the series scheme has improved the power-to-weight ratio.
The invention has the technical effects and advantages that: 1. the invention increases the flexibility of the topology of the unmanned airborne power network; 2. the invention reduces the voltage at the two ends of the electronic speed regulator and improves the system safety; 3. the invention reduces the manufacturing difficulty and simplifies the manufacturing process; 4. the invention reduces the weight of the system, improves the power-weight ratio of the unmanned aerial vehicle and further improves the loading capacity of the unmanned aerial vehicle.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a serial-type structure of unmanned aerial vehicle motor electronic governor which characterized in that:
comprises a power supply (1), a plurality of electronic speed regulators (2) and a plurality of motors (3);
the power supply (1) is connected with each electronic speed regulator (2) in series;
the electronic speed regulators (2) are connected with the motors (3) in the same number in a one-to-one correspondence mode, the motors (3) are connected with propellers, and the rotating speeds of the motors (3) are the same as those of the propellers.
2. The tandem structure of the electronic speed regulator of the unmanned aerial vehicle motor of claim 1, wherein: the number of the motors (3) can be four, six, eight or ten.
3. The tandem structure of the electronic speed regulator of the unmanned aerial vehicle motor of claim 1, wherein: the power supply (1) is an energy storage device on the unmanned aerial vehicle.
4. The tandem structure of the electronic speed regulator of the unmanned aerial vehicle motor of claim 1, wherein: the voltage shared by each motor (3) can be controlled by controlling the motors (3), so that the power load balance is controlled, and the rotating speed of the motors (3) is further controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110272784.3A CN112829953A (en) | 2021-03-13 | 2021-03-13 | Series structure of unmanned aerial vehicle motor electronic speed regulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110272784.3A CN112829953A (en) | 2021-03-13 | 2021-03-13 | Series structure of unmanned aerial vehicle motor electronic speed regulator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424112A (en) * | 2011-11-30 | 2012-04-25 | 东北大学 | Three-layer airborne flight control device for micro four-rotor aerial vehicle |
| CN104386246A (en) * | 2014-10-20 | 2015-03-04 | 浙江工业大学 | Four-rotor aircraft |
| CN107264792A (en) * | 2017-07-04 | 2017-10-20 | 张洋 | A kind of modular unmanned plane of dynamical system |
| CN109672230A (en) * | 2017-10-16 | 2019-04-23 | 北京易驾卓阳科技有限公司 | A kind of unmanned plane starting sparkproof circuit |
| US20190359328A1 (en) * | 2016-12-05 | 2019-11-28 | Fulcrum Uav Technology Inc. | Large payload unmanned aerial vehicle |
| CN112046763A (en) * | 2020-09-07 | 2020-12-08 | 南京航空航天大学 | Multi-power-source tandem type hybrid unmanned aerial vehicle and control method thereof |
-
2021
- 2021-03-13 CN CN202110272784.3A patent/CN112829953A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424112A (en) * | 2011-11-30 | 2012-04-25 | 东北大学 | Three-layer airborne flight control device for micro four-rotor aerial vehicle |
| CN104386246A (en) * | 2014-10-20 | 2015-03-04 | 浙江工业大学 | Four-rotor aircraft |
| US20190359328A1 (en) * | 2016-12-05 | 2019-11-28 | Fulcrum Uav Technology Inc. | Large payload unmanned aerial vehicle |
| CN107264792A (en) * | 2017-07-04 | 2017-10-20 | 张洋 | A kind of modular unmanned plane of dynamical system |
| CN109672230A (en) * | 2017-10-16 | 2019-04-23 | 北京易驾卓阳科技有限公司 | A kind of unmanned plane starting sparkproof circuit |
| CN112046763A (en) * | 2020-09-07 | 2020-12-08 | 南京航空航天大学 | Multi-power-source tandem type hybrid unmanned aerial vehicle and control method thereof |
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Application publication date: 20210525 |