CN208125897U - A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior - Google Patents
A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior Download PDFInfo
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- CN208125897U CN208125897U CN201820628246.7U CN201820628246U CN208125897U CN 208125897 U CN208125897 U CN 208125897U CN 201820628246 U CN201820628246 U CN 201820628246U CN 208125897 U CN208125897 U CN 208125897U
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- unmanned plane
- support frame
- pedestal
- rotors
- electric efficiency
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Abstract
A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior, including pedestal, support frame, backbar, gin pole, force snesor, pedestal is placed in the plane, the two sides of pedestal are arranged in two support frames, and support frame is connected with pedestal, and backbar is mounted on the upper end of two support frames, backbar is fixedly arranged above test unmanned plane, backbar arranged beneath force sensor, gin pole bottom end are fixed on pedestal, and gin pole upper end and force snesor match.The utility model has many advantages, such as that structure is simple, builds convenience, measurement electric efficiency is more accurate.The utility model belongs to test flight field in agricultural unmanned plane room.
Description
Technical field
The utility model belongs to test flight field more particularly to a kind of agricultural nothing of more rotors in interior in agricultural unmanned plane room
Man-machine electric efficiency test platform.
Background technique
China's electric agricultural unmanned plane farm work endurance usually only has 10-15min at present, is unable to satisfy extensive farmland
High quality operation.Low-altitude low-speed, high temperature and humidity, frequent landing in plant protection operation, turning the special operations condition such as turn back to one
Body plant protection aircraft brings different energy loaded matching modes, to realize agricultural aviation to low cost, high quality, high efficiency
Urgent need pass through energy efficiency and promoted and aerodynamic shape optimization, broken through for the problem that agricultural unmanned plane cruise duration is short
Energy loaded matching key technology realizes Energy economy quality under the premise of guaranteeing electronic more rotors agricultural unmanned plane dynamic property
It is promoted finally to realize that cruise duration is promoted.Unmanned plane energy loaded matching technology is studied, final purpose is electricity to be improved
Move the cruise duration of agricultural multi-rotor unmanned aerial vehicle.And the key for studying unmanned plane cruise duration is the conversion studied between power and electricity,
Electric efficiency is exactly the bridge of power and electrotransformation, and building this test platform stable and accurate can be tested, preferably measurement electricity
Engine efficiency, so that the research for unmanned plane energy loaded matching technology provides technical support.It there is no at present for nobody
The platform of electromechanical engine efficiency test.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior.
A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior, including pedestal, support frame, backbar, center
Column and force snesor；Pedestal is placed in the plane, and the two sides of pedestal are arranged in two support frames, and support frame is connected with pedestal
It connects, backbar is mounted on the upper end of two support frames, and backbar is fixedly arranged above test unmanned plane, and backbar arranged beneath effectively passes
Sensor, gin pole bottom end are fixed on pedestal, and gin pole upper end and force snesor match.Using this structure, structure letter
List is conveniently built, and can steadily be tested unmanned plane electric efficiency.
As a preference, backbar includes crossbeam, slide bar, linear bearing, bearing block, crossbeam both ends are respectively mounted slide bar,
The shaft of slide bar is mounted on the upper end of support frame by bearing block, linear bearing.Using this structure, when test, unmanned plane can only
It is moved up and down by slide bar, limits the freedom degree in other directions of unmanned plane, so that test is easily controllable, is easy to carry out.
As a preference, the every end of crossbeam is respectively mounted two slide bars, two slide bars, which are each passed through, to be installed on the support frame
Linear bearing.Using this structure, double slide bar can guarantee the stationary performance of platform vertical direction, and nothing suffered by energy balanced support beam
Man-machine gravity.
As a preference, the lower part of slide bar is equipped with slide bar limit block.Using this structure, because of unmanned plane liter when preventing from measuring
Power is excessive to cause backbar to be detached from support frame body and cause an accident.
As a preference, fixed test unmanned plane, below the crossbeam arrange that force sensor, gin pole are set above crossbeam
It is placed in below the middle part of crossbeam.Using this structure, platform is more stable in vertical direction, and does not have other knots around gin pole
Structure remains the lower space of unmanned plane, can effectively prevent produced air-flow and rack interaction pair in the rotor course of work
It is influenced caused by electric efficiency, measurement unmanned plane lift is more accurate.
As a preference, support frame includes support frame body, side brace, rear pole, support frame body is connected with pedestal；
The outer end of frame body is supported to be equipped with rear pole, rear pole one end is connected with support frame main body wall, the rear pole other end and support
The connection of frame body bottom；Side is equipped with side brace before and after supporting frame body, and side brace one end and support frame main body wall connect
It connects, the side brace other end is connected with support frame bottom part body.Using this structure, side brace, rear pole are arranged in support frame
Three sides of main body, and stable triangular structure is formed with support frame body, therefore support frame is more stable, test platform is more stable.
As a preference, pedestal, support frame, backbar, gin pole are all made of aluminum alloy material and are made.Using this knot
Structure, material is relatively light, conveniently builds, and platform is firm.
A kind of agricultural unmanned plane electric efficiency test method of the more rotors in interior, using a kind of agricultural nothing of above-mentioned more rotors in interior
Man-machine electric efficiency test platform, includes the following steps：
(1) motor and rotor to be tested are selected, is installed on test unmanned plane；
(2) remote controler is opened, is matched with the receiver on test unmanned plane；
(3) DC power supply is opened, unmanned plane operating voltage is set；
(4) remote controler throttle is adjusted, motor operating to be tested is controlled；
(5) reading of force snesor and the reading of power meter are recorded；
(6) by adjusting remote controler throttle, the lift numerical value of control test unmanned plane changes, and records corresponding power meter
Data, lift numerical value；
(7) sensing data and power are counted, the formation curve figure in matlab；
(8) ratio of lift and power is electric efficiency, and electric efficiency equation is fitted in matlab and is made into one
Step analysis.Using the method, method is simple, easily operated, and testing crew can comparatively fast obtain test result.
As a preference, the motor of selection different model carries out test of many times.Repeat step (1) to (8).Using this side
Method, so that measurement result is more accurate.
As a preference, selection test battery is powered test unmanned plane, when measurement battery power consumption is with power consumption
Between relationship, include the following steps：
(a), the discharge voltage lower limit of battery is set, prevents lithium battery from damaging because of over-discharge；
(b), the battery tested is fully charged, access test unmanned plane；
(c), measurement test unmanned plane gross weight, that is, test the total weight of unmanned plane and backbar；
(d), remote controler throttle is adjusted, it is ensured that test unmanned plane lift is consistent with test unmanned plane gross weight；
(e), the time required to record cell voltage is when dropping to lower voltage limit from full piezoelectric voltage, and when with obtained by theoretical calculation
Between comparative analysis, complete test；
(f), to ensure the integrality tested, different capabilities battery is selected to carry out test of many times, i.e. selection different capabilities electricity
Pond repeats step (a) to (e).
The advantages of the utility model：Structure is simple, it is firm to build convenience, platform, can stablize, effectively to unmanned plane motor
Efficiency is tested, and is fixedly arranged above in backbar and is tested unmanned plane, backbar arranged beneath force sensor, on gin pole
End and force snesor match, so that force snesor accurately measures the lift of unmanned plane, and obtain more accurately surveying
Measure result；Gin pole is arranged in the utility model below the middle part of backbar, therefore preferably can play support to platform and make
With, platform is more stable in vertical direction, and does not have other structures around gin pole, the lower space of unmanned plane is remained,
It can effectively prevent produced air-flow and rack the interaction influence caused by electric efficiency in the rotor course of work；Crossbeam both ends
Two slide bars are respectively provided with, can guarantee the stationary performance of platform vertical direction, and nothing suffered by energy balanced support beam using double slide bar
Man-machine gravity；And it is equipped with slide bar limit block in the lower end of slide bar, it prevents from leading to backbar because unmanned plane lift is excessive when measurement
It is detached from support frame body and causes an accident；Supporting frame part is using side brace, rear pole to shapes on the outside of three of support frame body
At gusseted, using stable triangular, so that support frame is stablized, and then test platform is more stable, and test operation process is more steady
It is fixed；The utility model selects the motor of different model to carry out test of many times, therefore test result error is small, and test result is more smart
It is quasi-.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of support frame.
Fig. 3 is the structural schematic diagram of backbar.
Fig. 4 is the structural schematic diagram for testing unmanned plane.
Fig. 5 is the flow chart of lift regulation.
Wherein, 1- support frame, 2- backbar, 3- gin pole, 4- force snesor, 5- test unmanned plane, 6- pedestal, 7- branch
Bracket body, 8- side brace, 9- rear pole, 10- slide bar, 11- slide bar limit block, 12- linear bearing, 13- bearing block, 14- are horizontal
Beam.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawing.
A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior, including pedestal, support frame, backbar, center
Column and force snesor.Pedestal is placed in the plane, and the two sides of pedestal are arranged in two support frames, and support frame is connected with pedestal
It connects, backbar is mounted on the upper end of two support frames, and backbar is fixedly arranged above test unmanned plane, and backbar arranged beneath effectively passes
Sensor, gin pole bottom end are fixed on pedestal, and gin pole upper end and force snesor match.
In the present embodiment, support frame includes support frame body, side brace, rear pole, and support frame body is connected with pedestal.
The inner end of support frame body is connected with pedestal, and the outer end of frame body is supported to be equipped with rear pole, rear pole one end and support frame master
Body sidewall connection, the rear pole other end are connected with support frame bottom part body, thus in support frame main body wall, support frame body bottom
Stable triangular structure is formed between portion, rear pole.Side is equipped with side brace before and after supporting frame body；Side brace one end and branch
The connection of bracket body side wall, the side brace other end is connected with support frame bottom part body, thus in support frame main body wall, support frame
Stable triangular structure is formed between bottom part body, side brace.Pedestal, support frame, backbar, gin pole are all made of aluminium alloy material
Matter is made.
In the present embodiment, backbar includes crossbeam, slide bar, linear bearing, bearing block, and crossbeam both ends are respectively mounted two cunnings
Bar (namely double slide bar).The shaft of slide bar is mounted on the upper end of support frame by bearing block, linear bearing, and linear bearing passes through
Bearing block is mounted on the upper end of support frame, and slide bar passes through the linear bearing of the upper end of support frame, thus not installing force snesor
When slide bar can move up and down (i.e. slide bar only retain both direction up and down freedom degree), and then crossbeam can be by moving down on slide bar
It is dynamic.The every end of crossbeam is respectively mounted two slide bars, therefore can guarantee the stationary performance of platform vertical direction, and suffered by energy balanced support beam
The gravity of unmanned plane.It is equipped with slide bar limit block in the lower part of slide bar, the motion range for limiting slide bar can be played the role of, prevent from surveying
It is caused an accident when amount because testing due to unmanned plane lift is excessive to cause backbar to be detached from support frame body.Fixed test nothing above crossbeam
Man-machine, below the crossbeam arranges that force sensor, gin pole are set to below the middle part of crossbeam, gin pole upper end and power sensing
Device matches.
When building, before not installing force snesor, slide bar is fixed on the support frame by linear bearing by bearing block, therefore sliding
Bar can be moved up and down along support frame, by mobile slide bar to adjust horizontal depth of beam.
Using a kind of above-mentioned course of work that the agricultural unmanned plane electric efficiency test platform of the more rotors in interior is tested,
I.e. a kind of agricultural unmanned plane electric efficiency test method of the more rotors in interior, includes the following steps：
(1) motor and rotor to be tested are selected, is installed on test unmanned plane；
(2) remote controler is opened, is matched with the receiver on test unmanned plane；
(3) DC power supply is opened, unmanned plane operating voltage is set；
(4) remote controler throttle is adjusted, motor operating to be tested is controlled；
(5) reading of force snesor and the reading of power meter are recorded；
(6) such as Fig. 5, the flow diagram of lift regulation, by adjusting remote controler throttle, to the given throttle of motor setting
Amount, the flight control system controller for testing unmanned plane receive signal, and the electricity that flight control system controller controls motor is adjusted, motor response
Afterwards, motor changes revolving speed, and the lift numerical value of unmanned plane changes, and records the data of corresponding power meter, lift numerical value；
(7) sensing data and power are counted into the formation curve figure in matlab；
(8) ratio of lift and power is electric efficiency, and electric efficiency equation is fitted in matlab and is made into one
Step analysis.
(9) motor of different model is selected to carry out test of many times.Repeat step (1) to (8).
This test platform is also used to test battery, specifically, first selection test battery to test unmanned plane into
Row power supply, measures the relationship of battery power consumption and power consumption time, including following detailed step：
(a), the discharge voltage lower limit of battery is set, prevents lithium battery from damaging because of over-discharge；
(b), the battery tested is fully charged, access test unmanned plane；
(c), measurement test unmanned plane gross weight, that is, test the total weight of unmanned plane and backbar；
(d), remote controler throttle is adjusted, it is ensured that test unmanned plane lift is consistent with test unmanned plane gross weight；
(e), the time required to record cell voltage is when dropping to lower voltage limit from full piezoelectric voltage, and when with obtained by theoretical calculation
Between comparative analysis, complete test；
(f), to ensure the integrality tested, different capabilities battery is selected to carry out test of many times, i.e. selection different capabilities electricity
Pond repeats step (a) to (e).
It should be noted that test unmanned plane is in the state that lift is equal to gravity, namely test unmanned plane hovers over sky
In.When unmanned plane is hovered in the sky, required power is minimum and remains unchanged, therefore measurement battery power consumption should be hovered with unmanned plane
Subject in the sky.When unmanned plane hovers, lift is equal to gravity.For this test platform, when test, need to only be shown force snesor
Value of lift be adjusted to and be consistent with unmanned plane gravity, i.e., it is believed that unmanned plane hovers.But it should also be noted that due to force snesor
It is arranged in below unmanned plane backbar, therefore unmanned plane total weight should include the weight of unmanned plane backbar, otherwise will lead to survey
Measure result inaccuracy.
Above-described embodiment is the preferable embodiment of utility model, but the embodiments of the present invention is not by above-mentioned reality
Apply the limitation of example, it is made under other any spiritual essence and principles without departing from the utility model change, modification, substitution,
Combination simplifies, and should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (7)
1. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior, it is characterised in that：Including pedestal, support frame, branch
Bolster, gin pole and force snesor；Pedestal is placed in the plane, and two support frames are arranged in the two sides of pedestal, support frame and
Pedestal is connected, and backbar is mounted on the upper end of two support frames, and backbar is fixedly arranged above test unmanned plane, cloth below backbar
It is equipped with force snesor, gin pole bottom end is fixed on pedestal, and gin pole upper end and force snesor match.
2. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 1, it is characterised in that：Branch
Bolster includes crossbeam, slide bar, linear bearing, bearing block, and crossbeam both ends are respectively mounted slide bar, and the shaft of slide bar passes through bearing block, straight
Spool holds the upper end for being mounted on support frame.
3. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 2, it is characterised in that：It is horizontal
The every end of beam is respectively mounted two slide bars, and two slide bars are each passed through the linear bearing of installation on the support frame.
4. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 2, it is characterised in that：It is sliding
The lower part of bar is equipped with slide bar limit block.
5. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 1, it is characterised in that：It is horizontal
Fixed test unmanned plane above beam, below the crossbeam arrange that force sensor, gin pole are set to below the middle part of crossbeam.
6. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 1, it is characterised in that：Branch
Support includes support frame body, side brace, rear pole, and support frame body is connected with pedestal；After the outer end of support frame body is equipped with
Strut, rear pole one end are connected with support frame main body wall, and the rear pole other end is connected with support frame bottom part body；In support frame
The front and back side of main body is equipped with side brace, and side brace one end is connected with support frame main body wall, the side brace other end and support frame
Bottom part body connection.
7. a kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior according to claim 1, it is characterised in that：Bottom
Seat, support frame, backbar, gin pole are all made of aluminum alloy material and are made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820628246.7U CN208125897U (en) | 2018-04-28 | 2018-04-28 | A kind of agricultural unmanned plane electric efficiency test platform of the more rotors in interior |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414935A (en) * | 2018-04-28 | 2018-08-17 | 华南农业大学 | A kind of agricultural unmanned plane electric efficiency test platform of more rotors in interior and method |
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2018
- 2018-04-28 CN CN201820628246.7U patent/CN208125897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414935A (en) * | 2018-04-28 | 2018-08-17 | 华南农业大学 | A kind of agricultural unmanned plane electric efficiency test platform of more rotors in interior and method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 |