CN206975468U - A kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane - Google Patents
A kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane Download PDFInfo
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- CN206975468U CN206975468U CN201720943731.9U CN201720943731U CN206975468U CN 206975468 U CN206975468 U CN 206975468U CN 201720943731 U CN201720943731 U CN 201720943731U CN 206975468 U CN206975468 U CN 206975468U
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Abstract
The utility model embodiment discloses a kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane.Wherein, sprinkling control module includes：Circuit selecting unit, pressure unit, micro-control unit and electronic speed regulation unit；Circuit selecting unit electrically connects with battery, is obtained for the corresponding voltage-regulation branch road of type selecting according to battery and exports the input voltage of electronic speed regulation unit；Electronic speed regulation unit electrically connects with pump motor, for controlling the fountain height of water pump by adjusting the rotating speed of pump motor；Pressure unit electrically connects with circuit selecting unit, for the input voltage of electronic speed regulation unit to be converted to the input voltage of micro-control unit and is exported to micro-control unit；Micro-control unit electrically connects with flight control modules, for fountain height information to be sent to flight control modules.The problem of technical scheme that the utility model embodiment provides, it is high to solve existing spray control system integrated level, and the electron speed regulator of water pump is easily corroded by agricultural chemicals.
Description
Technical field
The utility model embodiment is related to unmanned air vehicle technique field, more particularly to a kind of sprinkling suitable for plant protection unmanned plane
Control module and its plant protection unmanned plane.
Background technology
Control module, i.e. DCU modules are sprayed, is mainly used in the flight control system of plant protection unmanned plane, processing was sprayed
The data feedback of journey, action signal etc., medicine-chest dose and control water pump sprinkling can be detected, liquid level data is converted into sprinkling irrigation
Amount, sprinkling irrigation amount is further associated, realizes the unification of spray value and working area, with flying speed finally by this data correlation
It is brought into plant protection operation function course, can realizes that off-drug is maked a return voyage and be controlled with spray rate.
With reference to figure 1, Fig. 1 is the structure chart of spray control system of the prior art, generally in spray control system, electricity
Pond 2 and power management module 8, i.e. PMU modules electrically connect, and sprinkling control module 1 and any CAN of power management module 8 extend
Mouthful connection, and 5V input voltages are provided by power management module 8, sprinkling control module 1 respectively with liquid level sensor 7 and water pump 3
Connection, for obtaining liquid level information and water pump information.Battery 2 and sprinkling control module 1 same electron speed regulator respectively
The connections of (Electronic Speed Control, ESC) 6, battery 2 are used to provide power supply, sprinkling control mould to electron speed regulator 6
Block 1 is used to send command information to electron speed regulator 6；Electron speed regulator 6 is connected with water pump 3, water pump 3 and explosive box 4 and sprinkling
Device 5 connects, and electron speed regulator 6 provides electricity and adjusts signal, and control flusher 5 sprays medicine.
But above-mentioned spray control system, integrated level is not high, and line is intricate, is not easy to user's operation, and electronics
Speed regulator 6 is external, easily when spraying insecticide, is corroded by agricultural chemicals, service life is low.
Utility model content
The utility model provides a kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane, to solve
The problem of existing spray control system integrated level is not high, and the electron speed regulator of water pump is easily corroded by agricultural chemicals.
In a first aspect, the utility model embodiment provides a kind of sprinkling control module suitable for plant protection unmanned plane, bag
Include：Circuit selecting unit, pressure unit, micro-control unit and electronic speed regulation unit；
The circuit selecting unit is electrically connected by the first input end of the sprinkling control module with the output end of battery,
The input voltage of the electronic speed regulation unit is obtained for the corresponding voltage-regulation branch road of type selecting according to the battery simultaneously
Export to the electronic speed regulation unit；
The electronic speed regulation unit is electrically connected by the first output end of the sprinkling control module with pump motor, is used for
The fountain height of water pump is controlled by adjusting the rotating speed of the pump motor；
The pressure unit electrically connects with the circuit selecting unit, for by the input voltage of the electronic speed regulation unit
Be converted to the input voltage of micro-control unit and export to the micro-control unit；
The micro-control unit is electrically connected by the second output end of the sprinkling control module with flight control modules, is used
Sent in by the fountain height information of the process of sprinkling to the flight control modules.
Second aspect, the utility model embodiment additionally provide a kind of plant protection unmanned plane, including explosive box, water pump and sprinkling
Device, in addition to the sprinkling control module suitable for plant protection unmanned plane described in the utility model any embodiment.
The sprinkling control module that the utility model embodiment provides, including circuit selecting unit, pressure unit, microcontroller list
Member and electronic speed regulation unit, circuit selecting unit electrically connect with battery output, different for the type selecting according to battery
Voltage-regulation branch road convert battery voltage to the input voltage of electronic speed regulation unit and export to electronic speed regulation unit, electronics
Speed adjustment unit electrically connects with the pump motor of sprinkling module, for controlling the sprinkling of water pump by adjusting the rotating speed of pump motor
Amount, pressure unit electrically connects with circuit selecting unit, for by circuit selecting unit export suitable for electronic speed regulation unit
Operating voltage is converted to the input voltage of micro-control unit, and exports to micro-control unit and powered for micro-control unit, described micro-
Control unit electrically connects with the flight control modules of plant protection unmanned plane, for realizing between micro-control unit and flight control modules
Communication, micro-control unit sends fountain height information to flight control modules, flight control modules combination plant protection unmanned plane
Flying speed, set suitable sprinkling to order, and this order is sent to micro-control unit, be somebody's turn to do so that sprinkling control module performs
Electronic speed regulation unit is integrated into sprinkling control module by order, this programme, is directly sprinkling control module power supply by battery, and
Power management module need not be connected, wiring is simple, and it is not high to solve existing spray control system integrated level, and the electricity of water pump
The problem of sub- speed regulator is easily corroded by agricultural chemicals.In addition, the sprinkling control module in the utility model embodiment can be adapted to it is more
Kind battery, add the versatility of sprinkling control module.
Brief description of the drawings
Fig. 1 is the structure chart of spray control system of the prior art；
Fig. 2 is a kind of structure for spray control system suitable for plant protection unmanned plane that the utility model embodiment provides
Figure；
Fig. 3 is the structure chart for the sprinkling control module suitable for plant protection unmanned plane that the utility model embodiment provides；
Fig. 4 is the battery detection circuit structure chart that the utility model embodiment provides；
Fig. 5 is the structure for the spray control system that the another kind that the utility model embodiment provides is applied to plant protection unmanned plane
Figure；
Fig. 6 is a kind of structure chart for plant protection unmanned plane that the utility model embodiment provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
The utility model embodiment provides a kind of sprinkling control module suitable for plant protection unmanned plane, and with reference to figure 2, Fig. 2 is
A kind of structure chart for spray control system suitable for plant protection unmanned plane that the utility model embodiment provides, plant protection should be applied to
The sprinkling control module 1 of unmanned plane includes：Circuit selecting unit 11, pressure unit 12, micro-control unit 13 and electronic speed regulation
Unit 14；
Circuit selecting unit 11 is electrically connected by spraying the first input end IN1 of control module 1 with the output end of battery 2,
The input voltage of electronic speed regulation unit 14 is obtained for the corresponding voltage-regulation branch road of type selecting according to battery 2 and is exported extremely
Electronic speed regulation unit 14；
Electronic speed regulation unit 14 is electrically connected by spraying the first output end OUT1 of control module 1 with pump motor 31, is used
In controlling the fountain height of water pump 3 by adjusting the rotating speed of pump motor 31；
Pressure unit 12 electrically connects with circuit selecting unit 11, for the input voltage of electronic speed regulation unit 14 to be converted to
The input voltage of micro-control unit 13 is simultaneously exported to micro-control unit 13；
Micro-control unit 13 is electrically connected by spraying the second output end OUT2 of control module 1 with flight control modules 9, is used
Sent in by the fountain height information of the process of sprinkling to flight control modules 9.
The utility model embodiment provides a kind of sprinkling control module 1 suitable for plant protection unmanned plane, sprays control module 1
In be integrated with electronic speed regulation unit 14 for controlling pump motor 31, electronic speed regulation unit 14 is generally electron speed regulator, can
The rotating speed of regulation motor.The electron speed regulator of the pump motor 31 of existing plant protection unmanned plane is arranged on outside, then in sprinkling agriculture
During medicine, electron speed regulator is arranged in sprinkling control module 1 by easy etching electronic speed regulator, the present embodiment, and straight by battery 2
Connect and sprinkling control module 1 is powered.And in the prior art, as shown in figure 1, sprinkling control module 1 is supplied by power management module 8
Electricity, sprinkling control module 1 obtains input voltage 5V from power management module 8, and the input voltage of electronic speed regulation unit 14 is
24V, when battery 2 is directly powered for sprinkling control module 1, spray and include circuit selecting unit 11 and drop in control module 1
Unit 12 is pressed, for obtaining the operating voltage of the electronic speed regulation unit 14 and other units that spray in control module 1.
As shown in Fig. 2 circuit selecting unit 11 is electrically connected by spraying the first output end IN1 of control module 1 with battery 2
Connect, and according to the corresponding voltage-regulation branch road of the type selecting of battery 2 obtain electronic speed regulation unit 14 input voltage and should
Input voltage is exported to electronic speed regulation unit 14.Optionally, the species of battery 2 has three kinds, corresponding voltage-regulation branch road
There are 3, because the input voltage of electronic speed regulation unit 14 is fixed, if battery 2 is different, obtain electronic speed regulation unit 14
The circuit of input voltage is also different.Due to circuit selecting unit 11, sprinkling control module 1 can support multiple battery to power, and improve
The versatility of sprinkling control module, in the case where battery variety lacks, the sprinkling control module 1 in the present embodiment can be used
The battery that any money is adapted to therewith can normal work.
Electronic speed regulation unit 14 is by spraying the first output end OUT1 of control module 1 and the electricity of pump motor 31 of water pump 3
Connection, for controlling the fountain height of water pump 3 by adjusting the rotating speed of pump motor 31, that is, the flow sprayed insecticide.
And in order to obtain spray control module 1 in micro-control unit 13 input voltage, there is provided pressure unit 12 with
Circuit selecting unit 11 electrically connects, and the input voltage of the electronic speed regulation unit 14 for circuit selecting unit 11 to be obtained is converted to
The input voltage of micro-control unit 13 is simultaneously exported to micro-control unit 13.Micro-control unit 13 is used for the fountain height for obtaining water pump 3
Information, micro-control unit 13 are electrically connected with flight control modules 9 by spraying the second output end OUT2 of control module 1, are used for
Fountain height information during sprinkling is sent to flight control modules 9, flight control modules 9 analysis meter is carried out to fountain height information
Calculate, the rational fountain height of setting and the relation of flying speed, and send fountain height control signal and controlled to control module 1 is sprayed
The fountain height of agricultural chemicals.
In general, electronic speed regulation unit 14 are electron speed regulator, and can be divided into has brush electron speed regulator and brushless electronic speed governing
Device, the input of electron speed regulator electrically connect with battery 2, and output end electrically connects with pump motor 31, the signal of electron speed regulator
Line can electrically connect (not shown) with flight control modules 9, also can be with sprinkling control module 1 for obtaining control signal
Micro-control unit 13 electrically connects (not shown), obtains flight control modules 9 and sends to the control signal of micro-control unit 13.
Electronic speed regulation unit 14 can adjust the rotating speed of motor according to control signal, so as to adjust the fountain height of water pump.
The sprinkling control module that the utility model embodiment provides, including circuit selecting unit, pressure unit, microcontroller list
Member and electronic speed regulation unit, circuit selecting unit electrically connect with battery output, different for the type selecting according to battery
Voltage-regulation branch road convert battery voltage to the input voltage of electronic speed regulation unit and export to electronic speed regulation unit, electronics
Speed adjustment unit electrically connects with the pump motor of sprinkling module, for controlling the sprinkling of water pump by adjusting the rotating speed of pump motor
Amount, pressure unit electrically connects with circuit selecting unit, for by circuit selecting unit export suitable for electronic speed regulation unit
Operating voltage is converted to the input voltage of micro-control unit, and exports to micro-control unit and powered for micro-control unit, described micro-
Control unit electrically connects with the flight control modules of plant protection unmanned plane, for realizing between micro-control unit and flight control modules
Communication, realize that micro-control unit sends fountain height information to flight control modules, flight control modules combination plant protection nobody
The flying speed of machine, suitable sprinkling order is set, and this order is sent to micro-control unit, so that sprinkling control module is held
Electronic speed regulation unit is integrated into sprinkling control module by the row order, this programme, is directly supplied by battery for sprinkling control module
Electricity, without connecting power management module, wiring is simple, and it is not high to solve existing spray control system integrated level, and water
The problem of electron speed regulator of pump is easily corroded by agricultural chemicals.In addition, sprinkling control module in the utility model embodiment can be with
Multiple battery is adapted to, adds the versatility of sprinkling control module.
On the basis of above-described embodiment, with reference to figure 3, Fig. 3 be the utility model embodiment provide be applied to plant protection without
The structure chart of man-machine sprinkling control module, circuit selecting unit 11 include battery detection circuit 111, and electric with battery detecting
The first voltage regulation branch road 112 and second voltage regulation branch road 113 that road 111 electrically connects；
When battery detection circuit 111 detects that cell voltage is in the range of 19.8~25.8V, adjusted by first voltage
Branch road 112 exports cell voltage to electronic speed regulation unit 14；When battery detection circuit 111 detect cell voltage 39.6~
When in the range of 51.6V, the input voltage of electronic speed regulation unit 14 is converted battery voltage to by second voltage regulation branch road 113
And export to electronic speed regulation unit 14.
Battery detection circuit 111 is electrically connected by spraying the first input end IN1 of control module 1 with battery output, is used
In acquisition cell voltage, and cell voltage is detected, to determine battery types, and then opened accordingly according to battery types
Voltage-regulation branch road obtains the supply voltage of electronic speed regulation unit 14.In the present embodiment, 1 compatible two kind of control module is sprayed
Battery, then circuit selecting unit 11 includes first voltage regulation branch road 112 and second voltage adjusts branch road 113, and first voltage is adjusted
Section branch road 112 and second voltage regulation branch road 113 are all to convert battery voltage to the input voltage of electronic speed regulation unit 14 simultaneously
Export to electronic speed regulation unit 14.
The battery of power supply mainly includes two kinds：6S batteries and 12S batteries.The scope of the output voltage of 6S batteries is 19.8~
The scope of the output voltage of 25.8V, 12S battery is 39.6~51.6V, when battery detection circuit 111 detects that cell voltage exists
When in the range of 19.8~25.8V, input voltage and the output of the acquisition electronic speed regulation of branch road 112 unit 14 are adjusted by first voltage
To electronic speed regulation unit 14, when battery detection circuit 111 detects that cell voltage is in the range of 39.6~51.6V, pass through
Two voltage-regulation branch roads 113 obtain the input voltage of electronic speed regulation unit 14 and exported to electronic speed regulation unit 14.
Optionally, in order to strengthen the spray effect of agricultural chemicals, pump motor can more than one, then electronic speed regulation unit 14 is not yet
Only one, for example, showing three electronic speed regulation units 14 in Fig. 3.Optionally, can be in order to protect electronic speed regulation unit 14
Short-circuit protection 15 is set before electronic speed regulation unit 14, as shown in Figure 3.
Optionally, first voltage regulation branch road 112 includes FET；Second voltage regulation branch road 113 is cut including direct current
Ripple device., can be directly by the electricity of 6S batteries in the range of 19.8~25.8V because the input voltage of electronic speed regulation unit 14 is 24V
Pressure output is to electronic speed regulation unit 14, then first voltage regulation branch road 112 only needs to set a FET, and 24V
, it is necessary to reduction voltage circuit be set in second voltage regulation branch road 113, by 39.6~51.6V models not in the range of 39.6~51.6V
Cell voltage in enclosing is down to 24V, for example, 12S cell voltages are converted to 24V and exported to electronics by settable dc chopper
Speed adjustment unit 14.
Optionally, with reference to figure 4, Fig. 4 be the utility model embodiment provide battery detection circuit structure chart, battery detecting
Circuit 111 includes：Comparator 1111 and phase inverter 1112；
The first input end of comparator 1111 is electrically connected by the output end of the first input end and battery that spray control module 1
Connect, the second input termination critical level REF, output end and the switch of the dc chopper DC/DC in second voltage regulation branch road
Electrical connection；
Input of the output end of comparator 1111 also with phase inverter 1112 electrically connects, the output end of phase inverter 1112 and the
The control terminal electrical connection of FET MOS in one voltage-regulation branch road.
With reference to figure 4, it is known that the positive input terminal of comparator 1111 electrically connects with battery output, negative input end and critical level
REF is electrically connected.When cell voltage is more than critical level REF, comparator 1111 exports high level, then dc chopper DC/DC
Switch be triggered, second voltage where dc chopper DC/DC regulation branch road is switched on, the input of the input of phase inverter 1112
Be low level for high level, output end, low level can not turn on FET MOS；When cell voltage is less than critical voltage REF
When, comparator 1111 exports low level, then dc chopper DC/DC switch can not be triggered, and the input of phase inverter 1112 is defeated
What is entered exports high level for low level, output end, then first voltage regulation branch road is switched on where FET MOS.
Because the output voltage of 6S batteries is in the range of 19.8~25.8V, the output voltages of 12S batteries 39.6~
In the range of 51.6V, then critical level REF numerical value is set greater than 25.8V and is less than 39.6V.If battery only has 6S batteries
With 12S battery two types, then it is 12S batteries to measure battery of the cell voltage more than critical level REF, less than critical level
REF battery is 6S batteries.Optionally, critical level REF numerical value can be set to 33V.
Optionally, the input of dc chopper electrically connects with the output end of battery, output end and electronic speed regulation unit electricity
Connection；First connection end of FET electrically connects with the output end of battery, and second connection end electrically connects with electronic speed regulation unit.
Dc chopper constitutes second voltage regulation branch road, and input electrically connects with battery output, output end and electricity
Sub- speed adjustment unit electrical connection, FET constitute first voltage regulation branch road, and the first connection end electrically connects with battery output,
Second connection end electrically connects with electronic speed regulation unit.
Optionally, triode is included with reference to figure 4, phase inverter 1112；The control terminal of triode and the output of comparator 1111
End electrical connection, the first connection end is electrically connected by pull-up resistor R1 connection the first level V1, second connection end with ground terminal GND；Its
In, the one end of pull-up resistor R1 away from the first level V1 and the FET MOS of first voltage regulation branch road control terminal are electrically connected
Connect.
Phase inverter 1112 includes triode, when the control terminal of the output high level of comparator 1111 to triode, triode
The first connection end and second connection end between turn on, the FET MOS control terminal of first voltage regulation branch road receives
Low level, when the control terminal of the output low level of comparator 1111 to triode, the first connection end of triode and the second connection
It can not be turned between end, the FET MOS of first voltage regulation branch road control terminal receives high level, triggers first voltage
Adjust branch road.
Optionally, current detecting unit 16 is also included with reference to figure 3, sprinkling control module 1；Circuit selecting unit 11 passes through electricity
Stream detection unit 16 electrically connects with electronic speed regulation unit 14, and current detecting unit 16 is used for the load for measuring electronic speed regulation unit 14
Electric current, and when load current is less than given threshold, off-drug signal is sent to micro-control unit 13.
Current detecting unit 16 is used for the size for detecting the load current of electronic speed regulation unit 14, when electronic speed regulation unit 14
Load current it is too small when, illustrate load it is too small, i.e. the load of pump motor is too small, without fountain height, substantially may determine that
It is not have agricultural chemicals in explosive box to go out, then current detecting unit 16 can send off-drug letter when load current is less than given threshold
Number to micro-control unit 13, as shown in Figure 3.Exemplary, normally-open water pump load current is 2~4A, if when unlatching water pump
Afterwards, load current is less than 0.3A, is now believed that explosive box off-drug, it is necessary to which spraying control module 1 sends off-drug signal.
Optionally, sprinkling control module 1 also includes voltage detection unit 17, the output end of voltage detection unit 17 and battery
Electrical connection, for detecting whether battery is damaged；Sprinkling control module 1 also includes temperature detecting unit 18, is sprayed for detecting
The temperature of control module 1, and high temperature signal is sent to micro-control unit 13 when temperature is excessive, micro-control unit 13 is according to high temperature
Information makes cooling measure；Sprinkling control module 1 also includes PWM isolation modules 131, PWM isolation modules 131 and micro-control unit
13 electrical connections, for resisting external interference, external module is avoided to cause to damage to sprinkling control module 1；It is single also to include 5V isolation
Member 19, is arranged between current detecting unit 16 and electronic speed regulation unit 14,5V voltages is isolated using inverse-excitation type switch power-supply,
For resisting external interference, 5V isolated locations 19 and PWM isolation modules 131 are used cooperatively.
Optionally, pressure unit 12 includes dc chopper DC/DC and low pressure difference linear voltage regulator LDO.Dc chopper
DC/DC electrically connects with current selecting unit 11, for 24V direct currents to be converted into 5V direct currents, then it is steady by low pressure difference linearity
Depressor LDO is converted to 5V direct currents in stable 3.3V direct currents, and 3.3V is exported to micro-control unit 13, micro-control unit
13 input voltage is 3.3V.
Optionally, with reference to figure 5, Fig. 5 is the spray that the another kind that the utility model embodiment provides is applied to plant protection unmanned plane
The structure chart of control system is spilt, sprinkling control module 1 also includes hydraulic pressure acquiring unit 10；Hydraulic pressure acquiring unit 10 is controlled by spraying
Second input IN2 of molding block 1 electrically connects with the liquid level sensor 41 in explosive box 4, and the liquid level for obtaining explosive box 4 is believed
Cease and send to micro-control unit 13.
During sprinkling, pump motor 31 outwards sprays the agricultural chemicals in explosive box 4 by flusher, explosive box 4
In agricultural chemicals reduce, liquid level sensor 41 is generally located on the bottom (not shown) of explosive box 4, is able to detect that change
Pressure signal, and pressure signal is converted into electric signal output to the hydraulic pressure acquiring unit 10 for spraying control module 1, hydraulic pressure and obtained
The electric signal of acquisition is carried out noise reduction process by unit 10, and by the electric signal output after processing to micro-control unit 13, microcontroller
Unit 13 obtains the fountain height information of pump motor by the electric signal after processing, and fountain height information is sent to flight and controlled
Module 9, flight control modules 9 are according to the relation of fountain height and area, and with reference to the flying speed of plant protection unmanned plane, it is suitable to set
The speed of electronic speed regulation unit 14 and the flying speed of plant protection unmanned plane.
The utility model embodiment also provides a kind of plant protection unmanned plane, and with reference to figure 6, Fig. 6 is that the utility model embodiment carries
A kind of structure chart of the plant protection unmanned plane supplied, including explosive box 4, water pump 3 and flusher 5, in addition to the utility model are any
The sprinkling control module 1 suitable for plant protection unmanned plane described in embodiment.
Under the control of electronic speed regulation unit of the water pump 3 in sprinkling control module 1, agricultural chemicals is pumped out from explosive box 4, is passed through
Flusher 5 sprays out agricultural chemicals with vaporific.Flusher 5 sprays device, exemplary, cone nozzle including shower nozzle etc.
Or Fan spray head.
With reference to figure 6, the plant protection unmanned plane, in addition to：Battery 2, power management module 8, flight control modules 9, rotor
Motor 91, display lamp 92 and global positioning module 93；
Power management module 8 electrically connects with battery 2, for cell voltage to be respectively converted into flight control modules 9, rotor
Operating voltage required for motor 91, display lamp 92 and global positioning module 93；
Rotor motor 91 electrically connects with flight control modules 9, for the control command control sent according to flight control modules 9
The rotation of rotor processed；
Display lamp 92 is electrically connected with flight control modules 9, and the control signal for being sent according to flight control modules 9 is shown
The state of flight of plant protection unmanned plane；
Global positioning module 93 electrically connects with flight control modules 9, for obtaining the geographical location information of plant protection unmanned plane
And geographical location information is sent to flight control modules 9.
With reference to figure 6, the sprinkling control module 1 of the plant protection unmanned plane in the present embodiment is directly powered by battery 2, without
Need to connect power management module 8, and spray and electronic speed regulation unit is integrated with control module 1, it is not necessary to which external connected electronic is adjusted
Fast device, then electronic speed regulation unit be not easy to be corroded, increase the life-span of electronic speed regulation unit.Battery 2 is simultaneously power management
Module 8 is powered, and power management module 8 is flight control modules 9, rotor motor 91, display lamp 92 and global positioning module 93
Power supply.Flight control modules 9 set suitable fountain height and flying speed according to the relation of fountain height and spray area, so as to
The speed of electronic speed regulation unit and rotor motor 91 is controlled respectively, and the rotor motor 91 is used for the rotation for controlling plant protection unmanned plane
The wing.The plant protection unmanned plane also includes display lamp 92, and display lamp 92 can set at least one, be preferably provided with multiple display lamps
92, flight failure, power failure, off-drug failure and high temperature failure for showing plant protection unmanned plane respectively etc..The plant protection
Unmanned plane also includes global positioning module 93, for positioning the current location of plant protection unmanned plane, is easy to control plant protection unmanned plane
Spray region.
In addition, plant protection unmanned plane also includes receiver (not shown) etc., refer to for receiving telecommand, and by remote control
Order output is to flight control modules 9, for controlling the state of flight of plant protection unmanned plane.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust, be combined with each other and substitute without departing from the scope of protection of the utility model.Therefore, although passing through
Above example is described in further detail to the utility model, but the utility model is not limited only to above implementation
Example, in the case where not departing from the utility model design, other more equivalent embodiments can also be included, and it is of the present utility model
Scope is determined by scope of the appended claims.
Claims (10)
- A kind of 1. sprinkling control module suitable for plant protection unmanned plane, it is characterised in that including：Circuit selecting unit, decompression are single Member, micro-control unit and electronic speed regulation unit；The circuit selecting unit is electrically connected by the first input end of the sprinkling control module with the output end of battery, is used for Input voltage and the output of the electronic speed regulation unit are obtained according to the corresponding voltage-regulation branch road of the type selecting of the battery To the electronic speed regulation unit；The electronic speed regulation unit is electrically connected by the first output end of the sprinkling control module with pump motor, for passing through The rotating speed of the pump motor is adjusted to control the fountain height of water pump；The pressure unit electrically connects with the circuit selecting unit, for the input voltage of the electronic speed regulation unit to be changed Input voltage for micro-control unit is simultaneously exported to the micro-control unit；The micro-control unit is electrically connected by the second output end of the sprinkling control module with flight control modules, for inciting somebody to action The fountain height information of sprinkling process is sent to the flight control modules.
- 2. the sprinkling control module according to claim 1 suitable for plant protection unmanned plane, it is characterised in that the circuit choosing Selecting unit includes battery detection circuit, and the first voltage regulation branch road and the second electricity electrically connected with the battery detection circuit Pressure regulation branch road；When battery detection circuit detects that cell voltage is in the range of 19.8~25.8V, adjusting branch road by first voltage will Cell voltage is exported to the electronic speed regulation unit；When battery detection circuit detects cell voltage in 39.6~51.6V scopes When interior, the input voltage of the electronic speed regulation unit is converted battery voltage to by second voltage regulation branch road and exported to institute State electronic speed regulation unit.
- 3. the sprinkling control module according to claim 2 suitable for plant protection unmanned plane, it is characterised in that first electricity Pressure regulation branch road includes FET；The second voltage regulation branch road includes dc chopper.
- 4. the sprinkling control module according to claim 3 suitable for plant protection unmanned plane, it is characterised in that the battery inspection Slowdown monitoring circuit includes：Comparator and phase inverter；The output end that the first input end of the comparator passes through the first input end and the battery of the sprinkling control module Electrical connection, the second input termination critical level, output end and the switch of the dc chopper in second voltage regulation branch road Electrical connection；Input of the output end of the comparator also with the phase inverter electrically connects, the output end of the phase inverter and described the The control terminal electrical connection of FET in one voltage-regulation branch road.
- 5. the sprinkling control module according to claim 4 suitable for plant protection unmanned plane, it is characterised in that：The input of the dc chopper electrically connects with the output end of the battery, output end and electronic speed regulation unit electricity Connection；First connection end of the FET electrically connects with the output end of the battery, second connection end and the electronic speed regulation Unit electrically connects.
- 6. the sprinkling control module according to claim 4 suitable for plant protection unmanned plane, it is characterised in that the phase inverter Including triode；The control terminal of the triode electrically connects with the output end of the comparator, and the first connection end passes through pull-up resistor connection the One level, second connection end electrically connect with ground terminal；Wherein, the one end of the pull-up resistor away from first level and the FET of first voltage regulation branch road Control terminal electrically connects.
- 7. the sprinkling control module according to claim 1 suitable for plant protection unmanned plane, it is characterised in that also include：Electricity Flow detection unit；The circuit selecting unit is electrically connected by the current detecting unit with the electronic speed regulation unit, the current detecting Unit is used for the load current for measuring the electronic speed regulation unit, and when the load current is less than given threshold, sends Off-drug signal is to the micro-control unit.
- 8. the sprinkling control module according to claim 1 suitable for plant protection unmanned plane, it is characterised in that also including hydraulic pressure Acquiring unit；Second input of the hydraulic pressure acquiring unit by the sprinkling control module and the liquid level sensor electricity in explosive box Connection, for obtaining the liquid level information of explosive box and sending to the micro-control unit.
- 9. a kind of plant protection unmanned plane, including explosive box, water pump and flusher, it is characterised in that also include such as claim 1-8 Any described sprinkling control module suitable for plant protection unmanned plane.
- 10. plant protection unmanned plane according to claim 9, it is characterised in that also include：Battery, power management module, flight Control module, rotor motor, display lamp and global positioning module；The power management module electrically connects with the battery, for cell voltage to be respectively converted into the flight control mould Operating voltage required for block, rotor motor, display lamp and global positioning module；The rotor motor electrically connects with the flight control modules, for the control life sent according to the flight control modules The rotation of order control rotor；The display lamp electrically connects with the flight control modules, for the control signal sent according to the flight control modules Show the state of flight of the plant protection unmanned plane；The global positioning module electrically connects with the flight control modules, for obtaining the geographical position of the plant protection unmanned plane Information simultaneously sends the geographical location information to the flight control modules.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463128A (en) * | 2017-07-31 | 2017-12-12 | 上海拓攻机器人有限公司 | A kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane |
| CN109613856A (en) * | 2018-12-03 | 2019-04-12 | 广西云瑞科技有限公司 | A kind of control device and method based on plant protection drone water pump and course lamp |
-
2017
- 2017-07-31 CN CN201720943731.9U patent/CN206975468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463128A (en) * | 2017-07-31 | 2017-12-12 | 上海拓攻机器人有限公司 | A kind of sprinkling control module and its plant protection unmanned plane suitable for plant protection unmanned plane |
| CN109613856A (en) * | 2018-12-03 | 2019-04-12 | 广西云瑞科技有限公司 | A kind of control device and method based on plant protection drone water pump and course lamp |
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