CN113830307A - Plant protection unmanned aerial vehicle - Google Patents
Plant protection unmanned aerial vehicle Download PDFInfo
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- CN113830307A CN113830307A CN202111187749.8A CN202111187749A CN113830307A CN 113830307 A CN113830307 A CN 113830307A CN 202111187749 A CN202111187749 A CN 202111187749A CN 113830307 A CN113830307 A CN 113830307A
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- 238000001816 cooling Methods 0.000 claims abstract description 122
- 239000003814 drug Substances 0.000 claims abstract description 96
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000126 substance Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229940079593 drug Drugs 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
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- 238000009713 electroplating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
-
- 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
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
-
- 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
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a plant protection unmanned aerial vehicle, and relates to the field of agricultural equipment; the plant protection unmanned aerial vehicle comprises a machine body, a medicine box, a motor and a spray head; the medicine box is arranged on the machine body and used for storing liquid medicine; the motor is arranged on the machine body, a cooling chamber is arranged in the motor, and an inlet of the cooling chamber is communicated with the medicine box; the sprayer is arranged on the machine body, is communicated with the outlet of the cooling cavity and is used for spraying liquid medicine. This plant protection unmanned aerial vehicle is used for spraying the liquid medicine of crops before through the shower nozzle blowout, can let in the inside cooling cavity of motor and directly cool down to the motor, therefore it can be avoiding additional other cooling structures, when reducing cooling and heat dissipation cost, guarantee effectively that the motor has better heat dissipation and cooling effect, thereby can provide the security and the reliability of motor, the life of extension motor, in order to guarantee plant protection unmanned aerial vehicle's operating efficiency and quality.
Description
Technical Field
The invention relates to the field of agricultural equipment, in particular to a plant protection unmanned aerial vehicle.
Background
Along with the application of the plant protection unmanned aerial vehicle in the technical field of agriculture, the efficiency of the agricultural operations such as sowing, pesticide spraying and the like is remarkably improved. However, various driving motors of the plant protection unmanned aerial vehicle have the problems of large heat productivity and difficult heat dissipation, and the safety and the service life of the plant protection unmanned aerial vehicle are seriously affected, so that the working efficiency and the quality of the plant protection unmanned aerial vehicle are indirectly affected.
Disclosure of Invention
The invention aims to provide a plant protection unmanned aerial vehicle with a good heat dissipation effect of a motor, which can effectively prolong the service life of the plant protection unmanned aerial vehicle and ensure the operation efficiency and quality.
The embodiment of the invention is realized by the following steps:
the invention provides a plant protection unmanned aerial vehicle, which comprises:
a body;
a medicine box arranged on the machine body and used for storing medicine liquid;
the motor is arranged in the machine body, a cooling chamber is arranged in the motor, and an inlet of the cooling chamber is communicated with the medicine box;
and the spray head is arranged on the machine body, is communicated with the outlet of the cooling cavity and is used for spraying liquid medicine.
In an alternative embodiment, the fuselage comprises a body and a plurality of horn spaced circumferentially around the body; the medicine box is arranged on the body; each machine arm is provided with at least one spray head, and each machine arm is also provided with a propeller assembly in transmission connection with the motor;
the plant protection unmanned aerial vehicle also comprises a plurality of pipeline components which are arranged in one-to-one correspondence with the plurality of spray heads; every pipeline subassembly all includes first pipeline and second pipeline, and first pipeline intercommunication sets up between medical kit and entry, and the second pipeline intercommunication sets up between export and shower nozzle.
In an alternative embodiment, the cooling chamber opens in the form of a ring to the electric machine;
the inlet and the outlet are adjacently arranged on the wall of the cooling chamber, so that a liquid medicine passage is formed between the inlet and the outlet; or the inlet and the outlet are arranged on the wall of the cooling chamber at intervals, so that a liquid medicine passage is formed between the two sides of the inlet and the outlet respectively.
In an alternative embodiment, a plurality of convex strips are arranged in the cooling chamber, and the convex strips are sequentially arranged at intervals along the circumferential direction of the cooling chamber.
In an alternative embodiment, the cooling chamber comprises a top wall and a bottom wall which are arranged at intervals along the axial direction of the motor, and an annular inner wall and an annular outer wall which are arranged between the top wall and the bottom wall, wherein the annular outer wall is positioned outside the annular inner wall;
a plurality of raised lines are convexly arranged on the annular inner wall, and each raised line is convexly arranged towards the annular outer wall along the radial direction of the motor and is spaced from the annular outer wall by a preset distance; and/or, the annular outer wall epirelief is equipped with a plurality of sand grips, and every sand grip all sets up towards annular inner wall epirelief along the radial of motor to with annular inner wall interval default distance.
In an alternative embodiment, the cooling chamber comprises a top wall and a bottom wall arranged at intervals along the axial direction of the motor, and an annular inner wall and an annular outer wall positioned between the top wall and the bottom wall;
a plurality of convex strips are convexly arranged on the top wall at intervals, and each convex strip is an arc-shaped convex strip extending along the circumferential direction of the cooling chamber; and/or a plurality of convex strips are arranged on the bottom wall at intervals in a protruding mode, and each convex strip is an arc-shaped convex strip extending along the circumferential direction of the cooling chamber.
In an optional embodiment, the motor comprises a motor body and a pressing plate, wherein the motor body is provided with a semi-closed cavity with an opening, the pressing plate is covered on the opening and used for closing the opening, and the pressing plate and the motor body together form a cooling cavity; the inlet and the outlet are both arranged on the pressure plate in a penetrating way.
In an optional embodiment, a sealing ring is arranged between the pressing plate and the motor body, the sealing ring is arranged around the open circumferential edge, one end of the sealing ring is connected with the pressing plate in a sealing mode, and the other end of the sealing ring is connected with the motor body in a sealing mode.
In an optional embodiment, the motor body includes a stator assembly and a rotor assembly, the stator assembly includes a stator seat and a stator winding, the rotor assembly is rotatably disposed at a middle position of the stator seat through a bearing, the stator winding is annularly disposed on the stator seat, and the cooling chamber is opened in the stator seat and is located between the rotor assembly and the stator winding.
In an alternative embodiment, the inner wall surface of the cooling chamber is coated with a protective film layer.
In an optional embodiment, one end of the horn, which is close to the motor, is further provided with an electric controller, and the first pipeline is arranged along the length direction of the horn and penetrates through the electric controller to cool the electric controller.
In an optional embodiment, the electricity is transferred including electricity accent shell and electricity and is transferred the board, and electricity accent shell is installed in the horn, and electricity accent board sets up in electricity accent shell, and first pipeline is along the length direction concave arm body of locating the horn or wear to locate in the horn of horn, and first pipeline passes electricity accent shell for to electricity accent board cooling.
The embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides a plant protection unmanned aerial vehicle, which comprises a body, a medicine box, a motor and a spray head; the medicine box is arranged on the machine body and used for storing liquid medicine; the motor is arranged on the machine body, a cooling chamber is arranged in the motor, and an inlet of the cooling chamber is communicated with the medicine box; the sprayer is arranged on the machine body, is communicated with the outlet of the cooling cavity and is used for spraying liquid medicine. This plant protection unmanned aerial vehicle is used for spraying the liquid medicine of crops before through the shower nozzle blowout, can let in the inside cooling cavity of motor and directly cool down to the motor, therefore it can be avoiding additional other cooling structures, when reducing cooling and heat dissipation cost, guarantee effectively that the motor has better heat dissipation and cooling effect, thereby can provide the security and the reliability of motor, the life of extension motor, in order to guarantee plant protection unmanned aerial vehicle's operating efficiency and quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a plant protection unmanned aerial vehicle according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at section I;
fig. 3 is a first schematic structural diagram of a motor according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a motor provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a motor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a motor according to an embodiment of the present invention.
10-plant protection unmanned plane; 101-a fuselage; 102-a medicine box; 104-an ontology; 106-arm; 108-a mount; 109-a spray head; 110-a power plant; 111-a motor; 112-a propeller assembly; 114-a first conduit; 116-a second conduit; 118-a motor body; 120-a platen; 122-a fastening screw; 124-a stator seat body; 126-stator windings; 128-a rotor assembly; 130-a bearing; 132-a cooling chamber; 133-top wall; 134-bottom wall; 136-annular inner wall; 138-annular outer wall; 139-first ribs; 141-second ribs; 146-an inlet; 148-an outlet; 150-a first seal ring; 152-a second seal ring; 155-electric regulation.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the correlation technique, there are the big and difficult problem of heat dissipation in various driving motor of plant protection unmanned aerial vehicle such as unmanned vehicle, unmanned aerial vehicle, seriously influenced self security and life to also indirectly influenced plant protection unmanned aerial vehicle's operating efficiency and quality.
In view of this, this embodiment provides a plant protection unmanned aerial vehicle that the liquid medicine in the medical kit that usable plant protection unmanned aerial vehicle carried directly cooled down and scattered thermal treatment to the motor, and it can guarantee the security and the reliability of motor effectively to promote the operating efficiency and the quality of self. The structure of the plant protection unmanned aerial vehicle is described in detail below.
Fig. 1 is a schematic structural diagram of a plant protection unmanned aerial vehicle 10 provided in this embodiment; FIG. 2 is an enlarged view of FIG. 1 at section I; fig. 3 is a first schematic structural diagram of the motor 111 according to the present embodiment; fig. 4 is a schematic cross-sectional view of the motor 111 according to this embodiment. Referring to fig. 1 to 4, the plant protection unmanned aerial vehicle 10 provided in the present embodiment is a plant protection unmanned aerial vehicle, and includes a body 101, a medicine box 102, a power device 110, and a spray head 109.
In detail, the fuselage 101 is the major structure of plant protection unmanned aerial vehicle 10 for carry on structures such as battery, controller, with guarantee that plant protection unmanned aerial vehicle 10 can carry out each item operation high-efficiently. The medicine box 102 is provided above the main body 101 and stores medicine liquid. Fuselage 101 carries on medical kit 102 and makes plant protection unmanned aerial vehicle 10 directly spray the liquid medicine to crops to fully guarantee that crops are healthy to grow, in order to improve the crops yield. The power unit 110 includes a motor 111, and the motor 111 is disposed in the body 101 and can be used as a power source for any structure that needs to be operated by the driving force of the motor 111. The spray head 109 is disposed on the body 101 and communicates with the outlet 148 of the cooling chamber 132 for spraying the liquid medicine.
Through setting up like this for when this plant protection unmanned aerial vehicle 10 carries out the liquid medicine of crops and sprays the operation, the liquid medicine is followed the medical kit 102 output earlier, then flows into the cooling chamber 132 that the inside was seted up of motor 111 through the entry 146 of motor 111 in, cools off and the heat dissipation through cooling chamber 132 to motor 111 effectively, and the liquid medicine after the cooling process continues to flow to shower nozzle 109 through export 148 to the shower nozzle 109 atomizing blowout of being convenient for.
That is, through setting up like this, this plant protection unmanned aerial vehicle 10 is used for spraying the liquid medicine of crops before through shower nozzle 109 blowout, can let in the inside cooling chamber 132 of motor 111 and directly cool down motor 111, therefore it can avoid additional other cooling structure, when reducing cooling and heat dissipation cost, guarantee effectively that motor 111 has better heat dissipation and cooling effect, thereby can provide motor 111's security and reliability, prolong motor 111's life, with the operating efficiency and the quality of guaranteeing plant protection unmanned aerial vehicle 10. Meanwhile, because the cooling chamber 132 provided by the embodiment is located inside the motor 111, compared with a scheme that the cooling chamber is located outside the motor 111 or is only in contact with the motor 111, the cooling chamber has a better heat dissipation effect, and can effectively prevent the temperature inside the motor 111 from being too high, prevent the motor 111 from spontaneous combustion or explosion, and sufficiently ensure the safety and reliability of the motor 111, thereby ensuring the efficiency and quality of pesticide spraying operation.
Referring to fig. 1 to 4 again, in the present embodiment, the motor 111 is a power source for the whole body 101 to fly.
In detail, the fuselage 101 includes a body 104 and a plurality of horn 106 arranged at intervals around the circumference of the body 104. A first end of each horn 106 is secured or foldably engaged with the body 104, a second end of each horn 106 extends away from the body 104, and the second end of the horn 106 is provided with a mounting block 108. The medicine boxes 102 are disposed on the body 104 such that the entire medicine box 102 is located approximately at a middle position of the plurality of arms 106. In addition, the mount pad 108 of every horn 106 all corresponds and is provided with a power device 110 and a shower nozzle 109, and power device 110 still includes the screw assembly 112 of being connected with the transmission of motor 111, and motor 111 is connected the back with the screw assembly 112 transmission and is installed in the first side of mount pad 108, for the flight of whole plant protection unmanned aerial vehicle 10 provides power, and shower nozzle 109 is located the second side of mount pad 108. Because the medical kit 102 is located the middle part position of the structure that a plurality of horn 106 formed, therefore conveniently supply liquid to the cooling chamber 132 of a plurality of electrodes that set up on a plurality of horn 106 through medical kit 102 to guarantee that a plurality of motors 111 homoenergetic are cooled down and cooled off simultaneously, with the security and the reliability of fully guaranteeing a plurality of motors 111, thereby fully guarantee plant protection unmanned aerial vehicle 10's security and reliability, guarantee its operating efficiency and quality. Of course, in other embodiments, each arm 106 may further be provided with a plurality of nozzles 109, so as to improve the spraying range and ensure the spraying quality and effect, which is not limited in this embodiment.
Meanwhile, in order to facilitate the liquid medicine in the medicine box 102 to be smoothly output to the spray heads 109 for spraying, in this embodiment, the plant protection unmanned aerial vehicle 10 further includes a plurality of pipeline assemblies arranged in one-to-one correspondence with the plurality of spray heads 109. Each pipeline assembly comprises a first pipeline 114 and a second pipeline 116, the first pipeline 114 can be arranged in the machine arm 106 to ensure the safety of the liquid medicine transmission process, the first pipeline 114 is communicated and arranged between the medicine box 102 and the inlet 146 to convey the liquid medicine to the cooling chamber 132 of the motor 111 to sufficiently cool the motor 111, and the second pipeline 116 is communicated and arranged between the outlet 148 and the spray head 109 to facilitate the cooled liquid medicine to be atomized and sprayed out through the spray head 109.
Because the motor 111 that drives screw subassembly 112 operation goes out the heat great at plant protection unmanned aerial vehicle 10 operation in-process, also damage because of high temperature easily, therefore dispel the heat to motor 111 through the liquid medicine in original medical kit 102, neither need not plus cooling body, can utilize the liquid medicine to cool off effectively, thereby can reduce production and use cost, can carry out abundant heating to the liquid medicine before the shower nozzle 109 blowout again, make the liquid medicine intensive mixing even before the blowout, and then also make the degree of consistency of shower nozzle 109 spun liquid medicine obtain abundant assurance, with the growth demand of further satisfying crops, the medicine that improves plant protection unmanned aerial vehicle 10 sprays efficiency and quality.
Of course, in other embodiments, the motor 111 may also be used as a power source with other structures, for example, as a power source for driving the spray tray of the spray head 109 to rotate, as a power source for driving the arm 106 of the body 101 to rotate relative to the body 101, or as any other power source that needs to be electrically driven, which is not limited in this embodiment.
In addition, in the present embodiment, the inlet 146 of the motor 111 of each power device 110 is located on the side of the corresponding motor 111 close to the medicine boxes 102, so that the positions of the medicine boxes 102 from the inlet 146 are short, and it is more convenient to output the liquid medicines in the medicine boxes 102 to the motor 111 to cool the motor 111, so as to sufficiently ensure the cooling efficiency and quality.
Fig. 5 is a second schematic structural diagram of the motor 111 provided in this embodiment; fig. 6 is a schematic structural diagram of the motor 111 according to the third embodiment. Referring to fig. 5 and fig. 6, in the present embodiment, the cooling chamber 132 is annularly disposed on the motor 111, and is specifically an annular structure, and the cooling chamber 132 is configured to be annularly configured, so that the circumferential direction of the motor 111 can be effectively cooled and cooled, and thus the temperature of each portion of the motor 111 can meet the requirement of normal operation, so as to further improve the safety and reliability of the motor 111.
In detail, in the present embodiment, the cooling chamber 132 may have a single chemical liquid passage or may have a double chemical liquid passage.
As shown in fig. 5, when the cooling chamber 132 is configured as a single medical fluid passage, the inlet 146 and the outlet 148 are adjacently opened to the wall of the cooling chamber 132 to form a single medical fluid passage between the inlet 146 and the outlet 148. That is, when the inlet 146 and the outlet 148 are adjacently disposed on the wall of the annular cooling chamber 132, the chemical liquid is outputted from the chemical box 102, then inputted into the inlet 146 through the first pipeline 114, and then directly outputted from the outlet 148 after flowing for one turn along the single chemical liquid path formed in the direction from the inlet 146 to the outlet 148, so as to be further outputted to the spray head 109 through the second pipeline 116, and thus the spray head 109 can spray the atomized chemical liquid. By such an arrangement, the liquid medicine stays in the whole annular cooling chamber 132 for a longer time, and the temperature of the outlet 148 is higher, so that the circumferential direction of the motor 111 can be sufficiently cooled to take away more heat.
As shown in fig. 6, when the cooling chamber 132 has a dual drug solution passage structure, the inlet 146 and the outlet 148 are spaced apart from each other on the wall of the cooling chamber 132, so that one drug solution passage is formed between both sides of the inlet 146 and the outlet 148. That is, when the inlet 146 and the outlet 148 are disposed at intervals on the cavity wall of the annular cooling chamber 132, after the liquid medicine is output from the medicine box 102 and input to the inlet 146 through the first pipeline 114, the liquid medicine may be delivered to the outlet 148 along a single liquid medicine passage formed in a direction from the first side of the inlet 146 to the outlet 148, and simultaneously, another single liquid medicine passage may be delivered to the outlet 148 along a direction from the second side of the inlet 146 to the outlet 148, where a total path of the two liquid medicine passages is a circumferential path of the entire cooling chamber 132 so as to be continuously output to the spray head 109 through the second pipeline 116, so that the spray head 109 atomizes and sprays the liquid medicine. Through setting up like this, the resistance that liquid medicine flowed in whole annular cooling chamber 132 is little, and the velocity of flow is fast to can reduce motor 111's temperature fast in the unit interval, with assurance cooling and cooling efficiency and quality.
Preferably, when the cooling chamber 132 has a dual liquid-medicine passage structure, the inlet 146 and the outlet 148 may be symmetrically arranged with the center of the annular cooling chamber 132 as a midpoint, that is, the angle between the connection line of the inlet 146 and the midpoint and the connection line of the outlet 148 to the midpoint is approximately 180 °. Through setting up like this, the velocity of flow of the interior liquid medicine of two liquid medicine passageways is even relatively, can take away more heats fast through liquid medicine to guarantee that each position homoenergetic of motor 111 circumference obtains effectively cooling down and handle, thereby further improve motor 111's security and reliability. Certainly, in other embodiments, a connection line between the inlet 146 and the midpoint and a connection line between the outlet 148 and the midpoint may also be disposed at other included angles, for example, 90 ° and 120 °, so as to ensure that the motor 111 has higher heat dissipation efficiency and heat dissipation quality, which is not limited in this embodiment.
Referring to fig. 5 and 6, no matter the cooling chamber 132 adopts the single liquid medicine passage of fig. 5 or the double liquid medicine passage of fig. 6, in the present embodiment, a plurality of ribs may be disposed in the cooling chamber 132 as required, and the plurality of ribs are sequentially disposed at intervals along the circumferential direction of the cooling chamber 132. Through the setting of a plurality of sand grips for liquid medicine and motor 111's heat exchange efficiency obtains improving effectively, thereby can fully improve cooling and radiating efficiency, with the security and the reliability that further improve motor 111.
In detail, referring to fig. 5 again, whether the single chemical liquid passage or the double chemical liquid passage is adopted, a plurality of first protruding strips 139 may be disposed in the cooling chamber 132 as required, and each first protruding strip 139 has a strip-shaped plate structure.
Specifically, the cooling chamber 132 includes a top wall 133 and a bottom wall 134 disposed at intervals in the axial direction of the motor 111, and an annular inner wall 136 and an annular outer wall 138 disposed between the top wall 133 and the bottom wall 134. Wherein the annular inner wall 136 is located within the annular range formed by the annular outer wall 138. Meanwhile, a plurality of first protruding strips 139 are convexly arranged on the annular inner wall 136, and each first protruding strip 139 is convexly arranged towards the annular outer wall 138 along the radial direction of the motor 111, and is spaced from the annular outer wall 138 by a preset distance. Moreover, a plurality of first protruding strips 139 are similarly protruded on the annular outer wall 138, and each first protruding strip 139 is protruded toward the annular inner wall 136 along the radial direction of the motor 111, and is spaced from the annular inner wall 136 by a predetermined distance, and the first protruding strips 139 protruded on the annular inner wall 136 and the first protruding strips 139 protruded on the annular outer wall 138 are disposed in a staggered manner, so that the plurality of first protruding strips 139 can be spaced along the circumferential direction of the whole cooling chamber 132.
Through the setting of a plurality of first sand grips 139 of radial extension, the area of contact of liquid medicine with cooling chamber 132 has been increased, first sand grip 139 can increase the torrent of liquid medicine to stopping and the disturbance of liquid medicine simultaneously, reduces static stagnant water district, makes the liquid medicine can be along motor 111's radial and circumference in cooling chamber 132 and turn back repeatedly, thereby has improved heat exchange efficiency, and then can take away more heats, with the security and the reliability of fully guaranteeing motor 111.
For example, the first protrusion 139 on the annular inner wall 136 may be a protrusion structure formed by directly protruding the annular inner wall 136 toward the annular outer wall 138, and the first protrusion 139 on the annular outer wall 138 may be a protrusion structure formed by directly protruding the annular outer wall 138 toward the annular inner wall 136, so as to sufficiently ensure the strength of the first protrusion 139 and ensure the heat dissipation efficiency.
It should be noted that, in other embodiments, only the plurality of first protruding strips 139 may be disposed on the annular inner wall 136 or the annular outer wall 138, so that the plurality of first protruding strips 139 are disposed at intervals along the circumferential direction of the cooling chamber 132, which is not limited in this embodiment.
In detail, referring to fig. 6 again, whether the single chemical liquid passage or the double chemical liquid passage is provided, a plurality of second ribs 141 may be provided in the cooling chamber 132 as required, and each second rib 141 has an arc-shaped plate-shaped structure.
Specifically, a plurality of second ribs 141 are protruded from the top wall 133 of the cooling chamber 132 at intervals, each second rib 141 is an arc-shaped rib extending along the circumferential direction of the cooling chamber 132, and the radian of each second rib 141 is the same as the radians of the annular inner wall 136 and the annular outer wall 138, so that the plurality of second ribs 141 are arranged in an annular structure as a whole. By the arrangement of the second ribs 141, the resistance to the liquid medicine in the cooling chamber 132 is small, so that the liquid medicine flows in the cooling chamber 132 at a high speed, and more heat can be taken away by the liquid medicine per unit time. Simultaneously, because every second sand grip 141 is the setting of arcuation structure, a plurality of second sand grips 141 are whole to be the cyclic annular arrangement, also make second sand grip 141 can optimize the flow of liquid medicine, reduce static stagnant water district to further guarantee heat dissipation and cooling effect, thereby further guarantee the security and the reliability of motor 111.
Of course, in other embodiments, a plurality of second ribs 141 may also be protruded on the bottom wall 134 at intervals, so that each second rib 141 is an arc-shaped rib extending along the circumferential direction of the cooling chamber 132, and this embodiment is not described again.
In addition, it should be noted that, in other embodiments, the first protruding strip 139 and the second protruding strip 141 may be disposed in the cooling chamber 132 in a composite manner, so as to ensure that the motor 111 has a better heat dissipation effect and heat dissipation quality, and the description of this embodiment is omitted.
Referring to fig. 3 to fig. 6 again, in the present embodiment, the motor 111 specifically includes a motor body 118 and a pressing plate 120, the motor body 118 is provided with a semi-closed cavity having an opening, the pressing plate 120 is covered on the opening and detachably engaged with the motor body 118 through a fastening screw 122 for closing the opening, and the pressing plate 120 and the motor body 118 together form a cooling cavity 132. Both the inlet 146 and the outlet 148 open through the platen 120, and the platen 120 also forms the bottom wall 134 of the cooling chamber 132 adjacent the side wall of the motor 111. On one hand, the arrangement of the pressure plate 120 seals the cooling chamber 132, so as to prevent leakage of the liquid medicine, thereby ensuring the safety and stability of the motor 111; on the other hand, since the pressing plate 120 is detachable, the cooling chamber 132 can be easily cleaned, and the deposition of the drug in the cooling chamber 132 can be avoided, so as to sufficiently ensure the service life of the motor 111. In addition, the arrangement of the pressing plate 120 can also improve the strength and rigidity of the motor 111 to a certain extent, thereby ensuring the quality of the motor 111 to a certain extent and prolonging the service life of the motor.
Optionally, a sealing ring is disposed between the pressing plate 120 and the motor body 118, the sealing ring is disposed around the open circumferential edge, and one end of the sealing ring is connected to the pressing plate 120 in a sealing manner, and the other end of the sealing ring is connected to the motor body 118 in a sealing manner. Through the setting of sealing washer, can provide better sealed effect for whole cooling chamber 132, further avoid liquid medicine to reveal. Meanwhile, as the pressing plate 120 is tightly matched with the motor body 118 through the fastening screw 122, the sealing ring can be further stabilized through the pressing plate 120 to sufficiently ensure the sealing performance of the cooling chamber 132, so that the liquid medicine can be only input through the inlet 146 and can be only output through the outlet 148.
Specifically, in this embodiment, the number of the sealing rings is two, and be first sealing ring 150 and second sealing ring 152 respectively, first sealing ring 150 and second sealing ring 152 are annular sealing rings, and first sealing ring 150 is close to the setting of cyclic annular inner wall 136 of cooling chamber 132, and second sealing ring 152 is close to the setting of cyclic annular outer wall 138 of cooling chamber 132, thereby make clamp plate 120 and motor body 118 cooperation back, cooling chamber 132 is close to cyclic annular outer wall 138 and one side and is close to the setting of cyclic annular inner wall 136 homoenergetic and sealed effectively, thereby fully guarantee that liquid medicine is difficult for revealing, in order to fully guarantee the security and the reliability of motor 111.
Further alternatively, since the liquid medicine may be corrosive, in the present embodiment, the inner wall surface of the cooling chamber 132 is coated with a protective film layer. The protective film layer can be coated by a brushing or electroplating method, so that the safety of the inner wall surface of the cooling chamber 132 is fully protected, and the safety and the stability of the motor 111 are ensured.
Referring again to fig. 4, in the present embodiment, the motor body 118 includes a stator assembly and a rotor assembly 128. Wherein, rotor subassembly 128 is located stator module inside, and stator module includes stator pedestal 124 and stator winding 126, and rotor subassembly 128 passes through bearing 130 and rotationally sets up in the middle part position of stator pedestal 124, and rotor subassembly 128 and screw propeller assembly 112 fixed connection to can drive screw propeller assembly 112 in the relative stator module pivoted in-process of rotor subassembly 128 and rotate, provide the power of flight for whole plant protection unmanned aerial vehicle 10. Meanwhile, the stator winding 126 is annularly disposed on the stator housing 124, and the cooling chamber 132 is opened on the stator housing 124 and located between the rotor assembly 128 and the stator winding 126. The cooling cavity 132 is opened between the rotor assembly 128 and the stator winding 126, so that the liquid medicine flowing in the cooling cavity 132 can cool and cool the heat generated by the stator winding 126 and the heat generated by the rotor assembly 128 in the rotating process, and the safety and the reliability of the motor 111 can be further improved.
Referring to fig. 1 again, in the present embodiment, an electric governor 155 is further disposed at one end of each horn 106 close to the motor 111, the electric governor 155 is electrically connected to the motor 111, and the first pipeline 114 is disposed along the length direction of the horn 106 and passes through the electric governor 155 for cooling the electric governor 155. Through such setting, make the liquid medicine accessible first pipeline 114 output in the medical kit 102 for electricity regulation 155 cooling, thereby can guarantee the security and the reliability of electricity regulation 155.
In detail, in this embodiment, electrical tuner 155 specifically includes an electrical tuner shell and an electrical tuner board, and the electrical tuner shell is installed in horn 106, for example, can overlap outside horn 106, and the electrical tuner board is disposed in the electrical tuner shell to be electrically connected with motor 111. The first pipeline 114 is specifically arranged inside the horn 106 along the length direction of the horn 106, so that the first pipeline 114 can pass through the electric tilt housing and then cool the electric tilt plate. Meanwhile, the liquid medicine output through the first pipeline 114 can flow through the cooling chamber 132 of the motor 111 and then be output to the second pipeline 116 from the outlet 148, and then be output to the spray head 109 through the second pipeline 116, so as to be atomized and sprayed out through the spray head 109, and thus the safety and reliability of the electric regulator 155 and the motor 111 are fully ensured. Of course, in other embodiments, the first pipeline 114 may not be disposed inside the horn 106, for example, the first pipeline may be disposed on an outer side wall of the horn 106 and fixedly connected to an outer side of the horn 106, or may be directly recessed in an arm body of the horn 106, so as to ensure stability and reliability of the first pipeline 114, and to ensure a cooling effect of the motor 111, which is not limited in this embodiment.
The following describes in detail the installation process, the working principle and the beneficial effects of the plant protection unmanned aerial vehicle 10 provided by the embodiment of the present invention:
when the plant protection unmanned aerial vehicle 10 is installed, the propeller assembly 112, the motor 111 and the spray head 109 are firstly installed on the installation seat 108 of one arm 106 to form a complete arm 106, then the plurality of arms 106 are sequentially installed on the machine body 101, and the medicine box 102 is installed on the machine body 101; finally, the medicine box 102 and the inlet 146 of the motor 111 may be communicated through the first pipe 114, and the outlet 148 of the motor 111 and the spray head 109 may be communicated through the second pipe 116.
When the plant protection unmanned aerial vehicle 10 works, the liquid medicine output from the medicine box 102 can flow into the inlet 146 through the first pipeline 114, flow in the cooling chamber 132 through the inlet 146, and then be output to the second pipeline 116 from the outlet 148, and then be output to the spray head 109 through the second pipeline 116, so as to be atomized and sprayed out through the spray head 109.
In the above-mentioned process, this plant protection unmanned aerial vehicle 10 is used for spraying the liquid medicine of crops before through shower nozzle 109 blowout, can let in the inside cooling chamber 132 of motor 111 and directly cool down motor 111, therefore it can avoid additional other cooling structure, when reducing cooling and heat dissipation cost, guarantee effectively that motor 111 has better heat dissipation and cooling effect, thereby can provide motor 111's security and reliability, prolong motor 111's life, with the operating efficiency and the quality of guaranteeing plant protection unmanned aerial vehicle 10.
In summary, the embodiment of the present invention provides a plant protection unmanned aerial vehicle 10 with a good heat dissipation effect of a motor 111, which can effectively improve the service life of the plant protection unmanned aerial vehicle and ensure the operation efficiency and quality.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The utility model provides a plant protection unmanned aerial vehicle, its characterized in that includes:
a body;
a medicine box arranged on the machine body and used for storing medicine liquid;
the motor is arranged in the machine body, a cooling chamber is arranged in the motor, and an inlet of the cooling chamber is communicated with the medicine box;
and the spray head is arranged on the machine body, is communicated with the outlet of the cooling cavity and is used for spraying liquid medicine.
2. The plant protection unmanned aerial vehicle of claim 1, wherein:
the fuselage comprises a body and a plurality of arms arranged at intervals around the circumference of the body; the medicine box is arranged on the body; each horn is provided with at least one spray head, and each horn is also provided with a propeller assembly in transmission connection with the motor;
the plant protection unmanned aerial vehicle also comprises a plurality of pipeline assemblies which are arranged in one-to-one correspondence with the plurality of spray heads; each pipeline assembly comprises a first pipeline and a second pipeline, the first pipeline is communicated with the medicine box and arranged between the inlets, and the second pipeline is communicated with the outlets and arranged between the spray heads.
3. The plant protection unmanned aerial vehicle of claim 1, wherein:
the cooling cavity is annularly arranged on the motor;
the inlet and the outlet are adjacently arranged on the wall of the cooling chamber, so that a liquid medicine passage is formed between the inlet and the outlet; or the inlet and the outlet are arranged on the wall of the cooling chamber at intervals, so that a liquid medicine passage is formed between the two sides of the inlet and the outlet respectively.
4. The plant protection unmanned aerial vehicle of claim 3, wherein:
a plurality of raised lines are arranged in the cooling cavity, and the raised lines are sequentially arranged at intervals along the circumferential direction of the cooling cavity.
5. The plant protection unmanned aerial vehicle of claim 4, wherein:
the cooling chamber comprises a top wall and a bottom wall which are arranged at intervals along the axial direction of the motor, and an annular inner wall and an annular outer wall which are arranged between the top wall and the bottom wall, and the annular outer wall is positioned outside the annular inner wall;
the annular inner wall is convexly provided with a plurality of convex strips, each convex strip is convexly arranged towards the annular outer wall along the radial direction of the motor, and a preset distance is reserved between each convex strip and the annular outer wall; and/or, the cyclic annular outer wall epirelief is equipped with a plurality ofly the sand grip, and every the sand grip all follows the radial of motor court cyclic annular inner wall is protruding to be established, and with cyclic annular inner wall interval default distance.
6. The plant protection unmanned aerial vehicle of claim 4, wherein:
the cooling chamber comprises a top wall and a bottom wall which are arranged at intervals along the axial direction of the motor, and an annular inner wall and an annular outer wall which are arranged between the top wall and the bottom wall;
a plurality of convex strips are arranged on the top wall at intervals in a protruding mode, and each convex strip is an arc-shaped convex strip extending along the circumferential direction of the cooling cavity; and/or, the bottom wall is provided with a plurality of convex strips at intervals, and each convex strip is an arc-shaped convex strip extending along the circumferential direction of the cooling cavity.
7. The plant protection unmanned aerial vehicle of any one of claims 1-6, wherein:
the motor comprises a motor body and a pressing plate, the motor body is provided with a semi-closed cavity with an opening, the pressing plate is covered on the opening and used for closing the opening, and the pressing plate and the motor body jointly form the cooling cavity; the inlet and the outlet are both arranged on the pressure plate in a penetrating way.
8. The plant protection unmanned aerial vehicle of claim 7, wherein:
the motor is characterized in that a sealing ring is arranged between the pressing plate and the motor body, the sealing ring is arranged around the circumferential edge of the opening, one end of the sealing ring is connected with the pressing plate in a sealing mode, and the other end of the sealing ring is connected with the motor body in a sealing mode.
9. The plant protection unmanned aerial vehicle of claim 7, wherein:
the motor body comprises a stator assembly and a rotor assembly, the stator assembly comprises a stator base and a stator winding, the rotor assembly is rotatably arranged at the middle position of the stator base through a bearing, the stator winding is annularly arranged on the stator base, and the cooling cavity is arranged on the stator base and is positioned between the rotor assembly and the stator winding.
10. The plant protection unmanned aerial vehicle of any one of claims 1-6, wherein:
the inner wall surface of the cooling chamber is coated with a protective film layer.
11. The plant protection unmanned aerial vehicle of claim 2, wherein:
the horn is close to the one end of motor still is provided with the electricity and transfers, first pipeline sets up along the length direction of horn, and passes the electricity is transferred, is used for right the cooling of electricity is transferred.
12. The plant protection unmanned aerial vehicle of claim 11, wherein:
the electricity is transferred including electricity accent shell and electricity and is transferred the board, electricity accent shell install in the horn, electricity accent board set up in electricity accent shell, first pipeline is along the length direction concave of horn and is located the arm body of horn or wear to locate in the horn, first pipeline passes electricity accent shell is used for right electricity accent board cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187749.8A CN113830307A (en) | 2021-10-12 | 2021-10-12 | Plant protection unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187749.8A CN113830307A (en) | 2021-10-12 | 2021-10-12 | Plant protection unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN113830307A true CN113830307A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111187749.8A Pending CN113830307A (en) | 2021-10-12 | 2021-10-12 | Plant protection unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348260A (en) * | 2021-12-31 | 2022-04-15 | 广州极飞科技股份有限公司 | Plant protection unmanned aerial vehicle, control method and control device thereof, and electronic equipment |
-
2021
- 2021-10-12 CN CN202111187749.8A patent/CN113830307A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348260A (en) * | 2021-12-31 | 2022-04-15 | 广州极飞科技股份有限公司 | Plant protection unmanned aerial vehicle, control method and control device thereof, and electronic equipment |
| CN114348260B (en) * | 2021-12-31 | 2024-03-05 | 广州极飞科技股份有限公司 | Plant protection unmanned aerial vehicle, control method and control device thereof and electronic equipment |
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