CN105720562A - Agricultural spraying unmanned aerial vehicle based on internet of things - Google Patents
Agricultural spraying unmanned aerial vehicle based on internet of things Download PDFInfo
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- CN105720562A CN105720562A CN201610225271.6A CN201610225271A CN105720562A CN 105720562 A CN105720562 A CN 105720562A CN 201610225271 A CN201610225271 A CN 201610225271A CN 105720562 A CN105720562 A CN 105720562A
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- 238000005507 spraying Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 12
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 238000007667 floating Methods 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to an agricultural spraying unmanned aerial vehicle based on an internet of things. The unmanned aerial vehicle comprises a main body, a flight mechanism, a water intaking mechanism, a spraying mechanism, two vertically arranged upright posts, a first support rod, a second support rod and a buffer mechanism, wherein the flight mechanism is arranged at two sides of the main body; the water intaking mechanism is arranged at the upper part of the main body; the spraying mechanism is arranged at the upper part of the water intaking mechanism; and the buffer mechanism is arranged at the lower part of the main body. In a charging control circuit of the agricultural spraying unmanned aerial vehicle based on the internet of things, real-time monitoring protection is carried out on the battery through a first thermistor and a second thermistor; and real-time monitoring is carried out on the voltage of a battery through a first battery anode detection input end and a second battery anode detection input end, so that the battery charging reliability is ensured. Moreover, the movement direction of a clamping plate is controlled through rotation of a second drive motor, so that the cross section area of a water-passing pipe is adjusted; the flow velocity is controlled; a corresponding spraying range is formed on the ground; and large-range soil humidity is ensured.
Description
Technical field
The present invention relates to a kind of unmanned plane for agricultural spray based on Internet of Things.
Background technology
Water is one of essential condition of crops existence, in agricultural production process, is in suitable moisture state in order to ensure soil, it is necessary to regularly carry out soil according to conditions such as weather weather spraying work.Owing to traditional spraying mechanism position is fixed and relatively costly, after unmanned plane comes out, spraying mechanism is arranged on unmanned plane by people, by the movement of unmanned plane to realize automatically carrying out crops spraying work, saves sprinkling cost to a certain extent.
But, on existing unmanned plane, owing to the structure of spraying mechanism is single and fixing, it is extremely limited that current are sprayed at ground scope by spraying mechanism, unmanned plane round-trip flight pouring is needed to ensure its pouring scope, simultaneously, unmanned plane is as a kind of electricity consumption facility, its power supply is generally responsible for by rechargeable nickel-hydrogen battery, in the temperature of rechargeable nickel-hydrogen battery and terminal voltage along with the charging of battery gradually rises, begin to decline after battery is completely filled with, and due at present when rechargeable nickel-hydrogen battery is full of soon, not good real time monitoring function, result in the battery of rechargeable nickel-hydrogen battery charging reliability decrease, thus reducing the reliability of the sustainable ability to work of unmanned plane.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome spraying range in prior art limited and the rechargeable nickel-hydrogen battery charging low deficiency of reliability, it is provided that the unmanned plane for agricultural spray based on Internet of Things that a kind of spraying range is wide and battery charging reliability is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of unmanned plane for agricultural spray based on Internet of Things, including main body, it is arranged on main body, it is arranged on the aviation mechanism of main body both sides, it is arranged on the water intaking mechanism above main body, it is arranged on the spraying mechanism above water intaking mechanism, two vertically arranged pillars, first support bar, second support bar and be arranged on the buffer gear below main body, two described pillars are arranged at the top of main body and are positioned at the both sides of water intaking mechanism, described first support bar and the equal level frame of the second support bar are located on pillar, described first support bar is positioned at the top of the second support bar, described water intaking mechanism is connected with spraying mechanism, described spraying mechanism is fixed on the first support and the second support bar；
Described water intaking mechanism includes being arranged on the water tank above main body, is arranged on the suction pump above water tank and aqueduct, is provided with drinking-water pipe in described water tank, and described drinking-water pipe is connected with aqueduct by suction pump；
Described spraying mechanism includes governing box, is arranged on the sparge pipe above governing box and shower nozzle, and described shower nozzle connects with sparge pipe, and described governing box is fixed on the second support bar, and described sparge pipe is fixed on the first support bar；
Described governing box includes housing, the side of described enclosure interior is provided with water service pipe, described water service pipe connects with aqueduct and sparge pipe respectively, the opposite side of described enclosure interior is provided with some speed adjustment units, the inside of described housing is provided with clamping plate, described clamping plate are between water service pipe and speed adjustment unit, described clamping plate are provided with some female threads, described female thread is equal with the quantity of speed adjustment unit and one_to_one corresponding, described speed adjustment unit includes the second drive motor and the screw rod that are fixed on enclosure interior side, described second drive motor is connected with screw drive, the periphery of described screw rod is provided with external screw thread, the external screw thread of described screw rod mates with the female thread of clamping plate, described screw rod rotates through clamping plate along own axes；
Described buffer gear includes some buffer cells, and described buffer cell includes being subject to shake block and a vertically arranged spike, and the top of described spike is connected with main body, and the bottom of described spike is connected with being subject to shake block；
It is provided with charge control module in described main body, described charge control module includes charging control circuit, described charging control circuit includes integrated circuit, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, electric capacity, light emitting diode, audion, first critesistor, second critesistor, first battery and the second battery, the model of described integrated circuit is DS2711, the series circuit that first battery charging control output end of described integrated circuit forms with the second resistance and the first resistance is connected, the base stage of described audion is connected with the second resistance and the first resistance respectively, the base stage of described audion is connected with the emitter stage of audion by the first resistance, the colelctor electrode of described audion is connected with the second anode detection input of integrated circuit and the positive pole of the first battery respectively, first anode detection input of described integrated circuit is connected with the positive pole of the negative pole of the first battery and the second battery respectively, the negative pole of described second battery passes through the 4th resistance eutral grounding, the negative pole of described second battery detects input with the positive current of integrated circuit and is connected, the negative current detection input end grounding of described integrated circuit, the earth terminal ground connection of described integrated circuit, first battery status indication end of described integrated circuit is by the external 3.3V DC voltage power supply of series circuit of the 3rd resistance and light emitting diode composition, the external 3.3V DC voltage power supply of anode of described light emitting diode, the external 3.3V DC voltage power supply of power end of described integrated circuit, the charging interval of described integrated circuit arranges end by the 5th resistance eutral grounding, the battery testing threshold values of described integrated circuit arranges end by the 6th resistance eutral grounding, first battery critesistor test input of described integrated circuit passes through the first critesistor ground connection, first battery critesistor test input of described integrated circuit passes through the 8th external 3.3V DC voltage power supply of resistance, second battery critesistor test input of described integrated circuit passes through the second critesistor ground connection, second battery critesistor test input of described integrated circuit passes through the 7th external 3.3V DC voltage power supply of resistance, one end ground connection of described electric capacity, the external 3.3V DC voltage power supply of the described electric capacity other end.
Being provided with central processing unit in described main body, be provided with wireless communication module in described central processing unit, described second drive motor all electrically connects with central processing unit with suction pump.
As preferably, the flight performance stable in order to ensure unmanned plane, described aviation mechanism includes two flying unit, described flying unit is arranged on the both sides of main body, described flying unit includes horizontally disposed pole, the first vertically arranged drive motor, drives axle and some circumferences to be uniformly distributed blade on the driving shaft, one end of described pole is fixed in main body, described first drive motor is fixed on the other end of pole, described first drive motor is by driving axle and blade to be in transmission connection, and described first drive motor electrically connects with central processing unit.
As preferably, utilizing rubber cotton good springiness and on-deformable feature, the buffer capacity stable in order to ensure buffer gear, described is rubber cotton by shake block.
As preferably, utilizing the feature of brushed DC micro pump power stability, the pump-out stable in order to ensure suction pump, described suction pump is brushed DC micro pump.
As preferably, utilizing the feature that hose is elastic strong, in order to ensure that water service pipe can resile after being squeezed, described water service pipe is hose.
As preferably, utilizing the feature that DC motor Driver ability is strong, in order to improve the flight performance of aviation mechanism, described first drive motor is direct current generator.
As preferably, what utilize that permagnetic synchronous motor stably exports is specific, and for the anglec of rotation of accurate adjusting screw rod, described second drive motor is permagnetic synchronous motor.
As preferably, in order to improve the charging control circuit capacity of resisting disturbance to temperature, the temperature drift coefficient of described first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance is 5%ppm.
The invention has the beneficial effects as follows, should based in the unmanned plane charging control circuit for agricultural spray of Internet of Things, the model of integrated circuit is DS2711, arrange end by the charging interval charging interval is configured, by the first critesistor and the second critesistor, battery is carried out monitor in real time protection simultaneously, detect input by the first anode and the voltage of battery is carried out monitor in real time by the second anode detection input, thus ensure that the reliability that battery charges, moreover, by the moving direction rotating control clamping plate of the second drive motor, thus regulating the cross-sectional area of water service pipe, control water velocity, and form corresponding spraying range on the ground, ensure that the humidity of soil on a large scale.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the unmanned plane for agricultural spray based on Internet of Things of the present invention；
Fig. 2 is the structural representation of the water intaking mechanism of the unmanned plane for agricultural spray based on Internet of Things of the present invention；
Fig. 3 is the structural representation of the spraying mechanism of the unmanned plane for agricultural spray based on Internet of Things of the present invention；
Fig. 4 is the structural representation of the speed governing box of the unmanned plane for agricultural spray based on Internet of Things of the present invention；
Fig. 5 is the circuit theory diagrams of the charging control circuit of the unmanned plane for agricultural spray based on Internet of Things of the present invention；
In figure: 1. main body, 2. water intaking mechanism, 3. spraying mechanism, 4. by shake block, 5. a spike, 6. pillar, 7. the first drive motor, 8. pole, 9. drive axle, 10. blade, 11. the first support bar, 12. the second support bar, 13. suction pump, 14. aqueduct, 15. water tank, 16. drinking-water pipe, 17. sparge pipe, 18. housing, 19. water service pipe, 20. clamping plate, 21. the second drive motor, 22. screw rod, 23. shower nozzle, U1. integrated circuit, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, R6. the 6th resistance, R7. the 7th resistance, R8. the 8th resistance, C1. electric capacity, LED1. light emitting diode, Q1. audion, RT1. the first critesistor, RT2. the second critesistor, BT1. the first battery, BT2. the second battery.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
As Figure 1-Figure 5, a kind of unmanned plane for agricultural spray based on Internet of Things, including main body 1, it is arranged on main body 1, it is arranged on the aviation mechanism of main body 1 both sides, it is arranged on the water intaking mechanism 2 above main body 1, it is arranged on the spraying mechanism 3 above water intaking mechanism 2, two vertically arranged pillars 6, first support bar 11, second support bar 12 and be arranged on the buffer gear below main body 1, two described pillars 6 are arranged at the top of main body 1 and are positioned at the both sides of water intaking mechanism 2, described first support bar 11 and the second equal level frame of support bar 12 are located on pillar 6, described first support bar 11 is positioned at the top of the second support bar 12, described water intaking mechanism 2 is connected with spraying mechanism 3, described spraying mechanism 3 is fixed on the first support 11 and the second support bar 12；
Described water intaking mechanism 2 includes being arranged on the water tank 15 above main body 1, is arranged on the suction pump 13 above water tank 15 and aqueduct 14, is provided with drinking-water pipe 16 in described water tank 11, and described drinking-water pipe 16 is connected with aqueduct 14 by suction pump 13；
Described spraying mechanism 3 includes governing box, is arranged on the sparge pipe 17 above governing box and shower nozzle 23, and described shower nozzle 23 connects with sparge pipe 17, and described governing box is fixed on the second support bar 12, and described sparge pipe 17 is fixed on the first support bar 11；
Described governing box includes housing 18, side within described housing 18 is provided with water service pipe 19, described water service pipe 19 connects with aqueduct 14 and sparge pipe 17 respectively, opposite side within described housing 18 is provided with some speed adjustment units, the inside of described housing 18 is provided with clamping plate 20, described clamping plate 20 are between water service pipe 19 and speed adjustment unit, described clamping plate 20 are provided with some female threads, described female thread is equal with the quantity of speed adjustment unit and one_to_one corresponding, described speed adjustment unit includes the second drive motor 21 and the screw rod 22 that are fixed on housing 18 interior side, described second drive motor 21 is in transmission connection with screw rod 22, the periphery of described screw rod 22 is provided with external screw thread, the external screw thread of described screw rod 22 mates with the female thread of clamping plate 20, described screw rod 22 rotates through clamping plate 20 along own axes；
Described buffer gear includes some buffer cells, and described buffer cell includes being subject to shake block 4 and a vertically arranged spike 5, and the top of described spike 5 is connected with main body 1, and the bottom of described spike 5 is connected with being subject to shake block 4；
It is provided with charge control module in described main body 1, described charge control module includes charging control circuit, described charging control circuit includes integrated circuit U1, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, electric capacity C1, LED 1, audion Q1, first critesistor RT1, second critesistor RT2, first battery BT1 and the second battery BT2, the model of described integrated circuit U1 is DS2711, the first battery charging control output end of described integrated circuit U1 is connected with the second resistance R2 and the first resistance R1 series circuit formed, the base stage of described audion Q1 is connected with the second resistance R2 and the first resistance R1 respectively, the base stage of described audion Q1 is connected by the emitter stage of the first resistance R1 and audion Q1, the colelctor electrode of described audion Q1 is connected with the second anode detection input of integrated circuit U1 and the positive pole of the first battery BT1 respectively, the first anode detection input of described integrated circuit U1 is connected with the positive pole of the negative pole of the first battery BT1 and the second battery BT2 respectively, the negative pole of described second battery BT2 passes through the 4th resistance R4 ground connection, the negative pole of described second battery BT2 detects input with the positive current of integrated circuit U1 and is connected, the negative current detection input end grounding of described integrated circuit U1, the earth terminal ground connection of described integrated circuit U1, the first battery status indication end of described integrated circuit U1 is by the external 3.3V DC voltage power supply of series circuit of the 3rd resistance R3 and LED 1 composition, the external 3.3V DC voltage power supply of anode of described LED 1, the external 3.3V DC voltage power supply of power end of described integrated circuit U1, the charging interval of described integrated circuit U1 arranges end by the 5th resistance R5 ground connection, the battery testing threshold values of described integrated circuit U1 arranges end by the 6th resistance R6 ground connection, the first battery critesistor test input of described integrated circuit U1 passes through the first critesistor RT1 ground connection, the first battery critesistor test input of described integrated circuit U1 passes through the 8th external 3.3V DC voltage power supply of resistance R8, the second battery critesistor test input of described integrated circuit U1 passes through the second critesistor RT2 ground connection, the second battery critesistor test input of described integrated circuit U1 passes through the 7th external 3.3V DC voltage power supply of resistance R7, one end ground connection of described electric capacity C1, the described external 3.3V DC voltage power supply of the electric capacity C1 other end.
Being provided with central processing unit in described main body 1, be provided with wireless communication module in described central processing unit, described second drive motor 22 all electrically connects with central processing unit with suction pump 13.
As preferably, the flight performance stable in order to ensure unmanned plane, described aviation mechanism includes two flying unit, described flying unit is arranged on the both sides of main body 1, described flying unit includes horizontally disposed pole 8, the first vertically arranged drive motor 7, axle 9 and some circumferences is driven to be evenly distributed on the blade 10 driven on axle 9, one end of described pole 8 is fixing on the body 1, described first drive motor 7 is fixed on the other end of pole 8, described first drive motor 7 is by driving axle 9 and blade 10 to be in transmission connection, described first drive motor 7 electrically connects with central processing unit.
As preferably, utilizing rubber cotton good springiness and on-deformable feature, the buffer capacity stable in order to ensure buffer gear, described is rubber cotton by shake block 4.
As preferably, utilizing the feature of brushed DC micro pump power stability, the pump-out stable in order to ensure suction pump 13, described suction pump 13 is brushed DC micro pump.
As preferably, utilizing the feature that hose is elastic strong, in order to ensure that water service pipe 19 can resile after being squeezed, described water service pipe 19 is hose.
As preferably, utilizing the feature that DC motor Driver ability is strong, in order to improve the flight performance of aviation mechanism, described first drive motor 7 is direct current generator.
As preferably, what utilize that permagnetic synchronous motor stably exports is specific, and for the anglec of rotation of accurate adjusting screw rod 22, described second drive motor 21 is permagnetic synchronous motor.
As preferably, in order to improve the charging control circuit capacity of resisting disturbance to temperature, described first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the eight resistance R8 temperature drift coefficient be 5%ppm.
This unmanned plane utilizes water intaking mechanism 2 to spray work on a large scale with having coordinated of spraying mechanism 3 in flight course, first, in water intaking mechanism 2, extracted by drinking-water pipe 16 by suction pump 13 and water tank 15 is irrigated water used, and current are introduced in aqueduct 14, the water service pipe 19 in governing box was flow to by aqueduct 14 water, under the effect of the second drive motor 21, screw rod 22 is along own axis, clamping plate 20 are driven to do corresponding movement, rotation direction according to screw rod 22, clamping plate 20 or against water service pipe 19, or away from water service pipe 19, when clamping plate 20 are against water service pipe 19, the cross-sectional area of water service pipe 19 reduces, owing to the pump-out of suction pump 13 is stable, the water yield passing through water service pipe 19 in unit interval is constant, when the cross-sectional area of water service pipe 19 reduces, in order to ensure stable discharge, the flow velocity of the water in water service pipe 19 increases, current enter shower nozzle 23 after sparge pipe 17, the water velocity flowed out from shower nozzle 23 increases, after spraying from shower nozzle 23 due to current, height and the water velocity of shower nozzle 23 is depended in pick-up point, when water velocity increases, the place of water landing is away from the unmanned plane projection on ground, in like manner, when the second drive motor 21 rotates in reverse direction, clamping plate 20 are away from water service pipe 19, the cross-sectional area of water service pipe 19 increases, water velocity reduces, the place dropping to ground from the current of shower nozzle 23 outflow will be close to the unmanned plane projection on ground, therefore, that can pass through the second drive motor 21 rotates the moving direction controlling clamping plate 20, thus regulating the cross-sectional area of water service pipe 19, control water velocity, and form corresponding spraying range on the ground, compare single this unmanned plane of fixing spraying mechanism of traditional structure and expand spraying range, ensure that the humidity of soil on a large scale.
Should based in the charging control circuit of the unmanned plane being used for agricultural spray of Internet of Things, the temperature of one piece of rechargeable nickel-hydrogen battery and terminal voltage gradually rise along with the charging of battery, begin to decline after battery is completely filled with.So, the main task of nickel-metal hydride battery charger is this catastrophe point to be detected and interrupt charging, or is switched to trickle charge from quick charge.It addition, temperature and voltage are carried out monitoring continuously can provide the safety of charging in charging process.The model of integrated circuit U1 is DS2711, and it possesses above-mentioned functions.The employing Linear Control structure of integrated circuit U1.In order to lengthen working hours, save the energy content of battery to greatest extent, integrated circuit U1 has 4 kinds of charge modes: precharge, quick charge, floating charge and trickle charge.Under floating charge pattern, after battery is full of, charge rate is switched to a relatively low speed.Except control function, integrated circuit U1 also with internal timer, the non-essential resistance arranging end by being connected to the charging interval sets the maximum charge time, faster charge time can be arranged on 0.5 to 10 hours.The floating charge time has been set at the half (0.25 to 5 hours) of maximum charge time.By under fast charge mode, if it exceeds the maximum charge time, integrated circuit U1 can be switched to floating charge pattern from fast charge mode, simultaneously reset timer.Timer starts as float timing, if reaching the predetermined floating charge time, integrated circuit U1 will be switched to trickle pattern from floating charge pattern.First anode detection input and the second anode detection input are used for monitoring voltage, and the first battery critesistor test input and the second battery critesistor test input coordinate critesistor to be used for monitoring the temperature of battery.Charging interval arranges end (timer) and is used for setting the charging interval.The another one characteristic of integrated circuit U1 is to detect battery charge fault and alkaline primary cell.If it occur that these situations, integrated circuit U1 can shut down voluntarily.
Compared with prior art, should based in the unmanned plane charging control circuit for agricultural spray of Internet of Things, the model of integrated circuit U1 is DS2711, arrange end by the charging interval charging interval is configured, by the first critesistor RT1 and the second critesistor RT2, battery is carried out monitor in real time protection simultaneously, detect input by the first anode and the voltage of battery is carried out monitor in real time by the second anode detection input, thus ensure that the reliability that battery charges, moreover, by the moving direction rotating control clamping plate 20 of the second drive motor 21, thus regulating the cross-sectional area of water service pipe 19, control water velocity, and form corresponding spraying range on the ground, ensure that the humidity of soil on a large scale.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (8)
1. the unmanned plane for agricultural spray based on Internet of Things, it is characterized in that, including main body (1), it is arranged on main body (1), it is arranged on the aviation mechanism of main body (1) both sides, it is arranged on the water intaking mechanism (2) of main body (1) top, it is arranged on the spraying mechanism (3) of water intaking mechanism (2) top, two vertically arranged pillars (6), first support bar (11), second support bar (12) and be arranged on main body (1) lower section buffer gear, two described pillars (6) are arranged at the top of main body (1) and are positioned at the both sides of water intaking mechanism (2), described first support bar (11) and the second support bar (12) all level frames are located on pillar (6), described first support bar (11) is positioned at the top of the second support bar (12), described water intaking mechanism (2) is connected with spraying mechanism (3), described spraying mechanism (3) is fixed on the first support (11) and the second support bar (12)；
Described water intaking mechanism (2) includes being arranged on the water tank (15) of main body (1) top, the suction pump (13) being arranged on water tank (15) top and aqueduct (14), being provided with drinking-water pipe (16) in described water tank (11), described drinking-water pipe (16) is connected with aqueduct (14) by suction pump (13)；
Described spraying mechanism (3) includes governing box, is arranged on the sparge pipe (17) above governing box and shower nozzle (23), described shower nozzle (23) connects with sparge pipe (17), described governing box is fixed on the second support bar (12), and described sparge pipe (17) is fixed on the first support bar (11)；
Described governing box includes housing (18), the side of described housing (18) inside is provided with water service pipe (19), described water service pipe (19) connects with aqueduct (14) and sparge pipe (17) respectively, the opposite side of described housing (18) inside is provided with some speed adjustment units, the inside of described housing (18) is provided with clamping plate (20), described clamping plate (20) are positioned between water service pipe (19) and speed adjustment unit, described clamping plate (20) are provided with some female threads, described female thread is equal with the quantity of speed adjustment unit and one_to_one corresponding, described speed adjustment unit includes the second drive motor (21) and the screw rod (22) that are fixed on housing (18) interior side, described second drive motor (21) and screw rod (22) are in transmission connection, the periphery of described screw rod (22) is provided with external screw thread, the external screw thread of described screw rod (22) mates with the female thread of clamping plate (20), described screw rod (22) rotates through clamping plate (20) along own axes；
Described buffer gear includes some buffer cells, described buffer cell includes being subject to shake block (4) and a vertically arranged spike (5), the top of described spike (5) is connected with main body (1), and the bottom of described spike (5) is connected with being subject to shake block (4)；
Described main body is provided with charge control module in (1).Described charge control module includes charging control circuit, described charging control circuit includes integrated circuit (U1), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), 7th resistance (R7), 8th resistance (R8), electric capacity (C1), light emitting diode (LED1), audion (Q1), first critesistor (RT1), second critesistor (RT2), first battery (BT1) and the second battery (BT2), the model of described integrated circuit (U1) is DS2711, the series circuit that first battery charging control output end of described integrated circuit (U1) forms with the second resistance (R2) and the first resistance (R1) is connected, the base stage of described audion (Q1) is connected with the second resistance (R2) and the first resistance (R1) respectively, the base stage of described audion (Q1) is connected with the emitter stage of audion (Q1) by the first resistance (R1), the colelctor electrode of described audion (Q1) is connected with the second anode detection input of integrated circuit (U1) and the positive pole of the first battery (BT1) respectively, first anode detection input of described integrated circuit (U1) is connected with the positive pole of the negative pole of the first battery (BT1) and the second battery (BT2) respectively, the negative pole of described second battery (BT2) passes through the 4th resistance (R4) ground connection, the negative pole of described second battery (BT2) detects input with the positive current of integrated circuit (U1) and is connected, the negative current detection input end grounding of described integrated circuit (U1), the earth terminal ground connection of described integrated circuit (U1), the external 3.3V DC voltage power supply of series circuit that first battery status indication end of described integrated circuit (U1) consists of the 3rd resistance (R3) and light emitting diode (LED1), the external 3.3V DC voltage power supply of anode of described light emitting diode (LED1), the external 3.3V DC voltage power supply of power end of described integrated circuit (U1), the charging interval of described integrated circuit (U1) arranges end by the 5th resistance (R5) ground connection, the battery testing threshold values of described integrated circuit (U1) arranges end by the 6th resistance (R6) ground connection, first battery critesistor test input of described integrated circuit (U1) passes through the first critesistor (RT1) ground connection, first battery critesistor test input of described integrated circuit (U1) passes through the 8th external 3.3V DC voltage power supply of resistance (R8), second battery critesistor test input of described integrated circuit (U1) passes through the second critesistor (RT2) ground connection, second battery critesistor test input of described integrated circuit (U1) passes through the 7th external 3.3V DC voltage power supply of resistance (R7), one end ground connection of described electric capacity (C1), the external 3.3V DC voltage power supply of described electric capacity (C1) other end.
Being provided with central processing unit in described main body (1), be provided with wireless communication module in described central processing unit, described second drive motor (22) all electrically connects with central processing unit with suction pump (13).
2. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterized in that, described aviation mechanism includes two flying unit, described flying unit is arranged on the both sides of main body (1), described flying unit includes horizontally disposed pole (8), vertically arranged the first drive motor (7), axle (9) and some circumferences is driven to be evenly distributed on the blade (10) driven on axle (9), one end of described pole (8) is fixed in main body (1), described first drive motor (7) is fixed on the other end of pole (8), described first drive motor (7) is in transmission connection by driving axle (9) and blade (10), described first drive motor (7) electrically connects with central processing unit.
3. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterised in that described is rubber cotton by shake block (4).
4. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterised in that described suction pump (13) is brushed DC micro pump.
5. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterised in that described water service pipe (19) is hose.
6. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterised in that described first drive motor (7) is direct current generator.
7. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterised in that described second drive motor (21) is permagnetic synchronous motor.
8. the unmanned plane for agricultural spray based on Internet of Things as claimed in claim 1, it is characterized in that, the temperature drift coefficient of described first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7) and the 8th resistance (R8) is 5%ppm.
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Application publication date: 20160629 |