CN212973932U - Unmanned aerial vehicle carries thin water smoke extinguishing device - Google Patents
Unmanned aerial vehicle carries thin water smoke extinguishing device Download PDFInfo
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- CN212973932U CN212973932U CN202020683207.4U CN202020683207U CN212973932U CN 212973932 U CN212973932 U CN 212973932U CN 202020683207 U CN202020683207 U CN 202020683207U CN 212973932 U CN212973932 U CN 212973932U
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Abstract
The utility model discloses an unmanned aerial vehicle carries thin water smoke extinguishing device includes the install bin, water conservancy subassembly, wind-force subassembly, be provided with accommodation space in the install bin, the water conservancy subassembly sets up the inner wall of install bin, the wind-force subassembly sets up the outer wall of install bin, the water conservancy subassembly with the wind-force subassembly realizes the linkage through the transmission shaft; utilize hydraulic turbine with fan wheel has offset the recoil that most high-pressure squirts produced when spraying water, has guaranteed that the flight of spraying in-process many rotor unmanned aerial vehicle is stable, can enough guarantee unmanned aerial vehicle's flight safety, also ensures that can unmanned aerial vehicle comparatively accurate completion spray the purpose of putting out a fire, when many rotor unmanned aerial vehicle displacement, by fan wheel rotation produces the pressure difference has played the effect of supplementary many rotor unmanned aerial vehicle displacement, has practiced thrift the time of adjusting many rotor unmanned spray angle, has improved the efficiency of putting out a fire, has prolonged rescue time, and the practicality is stronger.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to an unmanned aerial vehicle carries thin water smoke extinguishing device.
Background
Along with the popularization of science and technology, unmanned aerial vehicles gradually enter the visual field of people, industrial unmanned aerial vehicles are also gradually applied to various fields to play the roles of the unmanned aerial vehicles, particularly the high-risk fields mainly aiming at fire fighting, the unmanned aerial vehicles are used for replacing part of human activities, and the importance of the unmanned aerial vehicles is self-evident to the fire fighting industry;
along with the development of the urbanization process, high-rise buildings and super high-rise buildings are more and more, once a fire occurs, the reaction speed and the fire extinguishing difficulty are extremely high, particularly, buildings with the height of more than 30m basically depend on a fire fighting device inside the building, but only depend on an internal fire fighting device, the action effect is limited, and under many conditions, the fire can be controlled only by the intervention of external fire fighting equipment;
unmanned aerial vehicle fire fighting is a novel industrial technology and is widely applied to various fields, various fire fighting organizations have used unmanned aerial vehicles to successfully perform fire scene investigation monitoring, throwing rescue goods and materials and other attempts at China, the effect is very obvious, and in Tianjin explosion accident rescue, all departments also use the unmanned aerial vehicles to perform high-altitude investigation on the accident scene, so that partial reference basis is provided for rescue decision;
the existing fire-fighting unmanned aerial vehicle has the following problems:
1. because the fire-fighting unmanned aerial vehicle carries the fire extinguishing apparatus, the weight of the fire-fighting unmanned aerial vehicle is increased, the displacement of the unmanned aerial vehicle needs to consume more electric power, and when the fire-fighting unmanned aerial vehicle is connected with a high-pressure water gun to extinguish fire, the fire-fighting unmanned aerial vehicle can jet fire while displacing, and is very difficult to rely on a rotor wing only;
2. present unmanned aerial vehicle is used for putting out a fire, adopts many rotor unmanned aerial vehicle usually, uses in the city and does not need the place of taking off and land, uses also more nimble, but this kind of unmanned aerial vehicle when receiving external force interference, and its self flight stability is relatively poor, when using, often is connected high-pressure squirt and fire control unmanned aerial vehicle's shell, and when high-pressure squirt sprayed, it is great to spray recoil, only relies on aircraft self to be difficult to overcome.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses an unmanned aerial vehicle-mounted water mist fire extinguishing device, which utilizes the hydraulic turbine and the fan impeller to provide power for the hydraulic turbine when a high-pressure water gun sprays water flow so as to drive the fan impeller to rotate, the fan impeller sucks air and then sprays the air through the air outlet pipe which is coaxial with the water spray opening, thereby offsetting most recoil force generated when the high-pressure water gun sprays water, ensuring the flight stability of the multi-rotor unmanned aerial vehicle in the spraying process, not only ensuring the flight safety of the unmanned aerial vehicle, but also ensuring that the unmanned aerial vehicle can more accurately finish the aim of spraying and extinguishing fire, when the fan impeller rotates, because the wind speed on the side surface of the multi-rotor unmanned aerial vehicle changes, thereby forming pressure difference, when the multi-rotor unmanned aerial vehicle displaces, the pressure difference generated by the rotation of the fan impeller plays a role of assisting the displacement of the multi-rotor unmanned aerial vehicle, thereby for realizing that the limit displacement is sprayed water simultaneously and providing certain operating space, practiced thrift the time of the unmanned angle of spraying of many rotors of adjustment, improved the efficiency of putting out a fire, prolonged the rescue time, the practicality is stronger.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an unmanned aerial vehicle-mounted water mist fire extinguishing device comprises an installation box, a hydraulic assembly and a wind power assembly, wherein an accommodating space is arranged in the installation box, the hydraulic assembly and the wind power assembly are symmetrically arranged on two sides of the installation box, namely the hydraulic assembly is arranged on the inner wall of the installation box, the wind power assembly is arranged on the outer wall of the installation box, and the hydraulic assembly and the wind power assembly are linked through a transmission shaft;
the hydraulic component comprises a first shell, a hydraulic turbine, a water inlet pipe and a water outlet pipe, wherein the first shell is a hollow cylinder, the first shell wraps the hydraulic turbine, the first shell and the hydraulic turbine are coaxially arranged, the water inlet pipe is vertically arranged, the water outlet end of the water inlet pipe is communicated with the first shell, the water outlet pipe is horizontally arranged, the water inlet end of the water outlet pipe is communicated with the first shell, and one end of the first shell is fixedly connected with the inner wall of the installation box.
As a further description of the above technical solution:
the wind-force subassembly includes the second shell, fan wheel, the air outlet goes out the tuber pipe, the second shell is one end open-ended hollow cylinder, the second shell will including fan wheel wraps up, the second shell with fan wheel sets up with the axle center, the second shell not open-ended one end with the outer wall fixed connection of install bin, set up the air outlet rather than the cavity intercommunication on the second shell, the air outlet with the air inlet end intercommunication of going out the tuber pipe.
As a further description of the above technical solution:
the side wall of the installation box is provided with a first limiting hole, the first limiting hole is in threaded connection with a water spraying head, the water inlet end of the water spraying head is communicated with the water outlet end of the water outlet pipe, and the water spraying head is a high-pressure fire-fighting water mist spray head.
As a further description of the above technical solution:
and a second limiting hole is further formed in the side wall of the mounting box, and the second limiting hole is in threaded connection with the outer wall of the air outlet pipe.
As a further description of the above technical solution:
the first limiting hole and the second limiting hole are symmetrically arranged, and the first limiting hole and the second limiting hole are coaxially arranged.
As a further description of the above technical solution:
the top of install bin is connected with first mounting bracket, the bottom surface of install bin is connected with the second mounting bracket.
As a further description of the above technical solution:
first mounting bracket comprises four mounting bars, the one end of mounting bar with the top surface fixed connection of install bin, four the other end of mounting bar to the body heart of install bin collects, four the department that collects of mounting bar is higher than the top surface of install bin, first mounting bracket is used for connecting install bin and unmanned aerial vehicle, the second mounting bracket comprises two sets of mounting panels, and is a set of the mounting panel is by a long slab and connect the riser at long slab both ends is constituteed, the second mounting bracket is used for connecting install bin and unmanned aerial vehicle.
As a further description of the above technical solution:
the hydraulic assembly and the wind power assembly are arranged in a set, and two sets of symmetrical hydraulic assemblies and wind power assemblies are arranged in the installation box.
As a further description of the above technical solution:
the water turbine and the fan impeller are coaxial, namely the water turbine and the fan impeller synchronously rotate through the transmission shaft.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. when the high-pressure water gun sprays water flow, the hydraulic turbine and the fan impeller are utilized to provide power for the hydraulic turbine so as to drive the fan impeller to rotate, and after the fan impeller sucks air, the air is sprayed out through the air outlet pipe coaxial with the water spray opening, so that most of recoil generated when the high-pressure water gun sprays water is offset, the stable flight of the multi-rotor unmanned aerial vehicle in the spraying process is ensured, the flight safety of the unmanned aerial vehicle can be ensured, and the aim of spraying and extinguishing the fire of the unmanned aerial vehicle can be fulfilled more accurately;
2. when the fan impeller is rotatory, because the wind speed of many rotor unmanned aerial vehicle side produces the change to form the pressure difference, when many rotor unmanned aerial vehicle displacement, by the pressure difference of the rotatory production of fan impeller has played the effect of supplementary many rotor unmanned aerial vehicle displacement, thereby provides certain operating space for realizing the displacement while spraying water, has practiced thrift the time of adjusting many rotor unmanned spray angle, has improved the efficiency of putting out a fire, has prolonged rescue time, and the practicality is stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 an unmanned aerial vehicle-mounted water mist fire extinguishing device;
FIG. 2 is a schematic view of a fan wheel mounting structure;
FIG. 3 is a schematic view of a connection structure of a water turbine and a fan impeller;
FIG. 4 is a schematic view of a partial structure of an unmanned aerial vehicle-mounted water mist fire extinguishing device;
fig. 5 is a partial structure schematic diagram of an unmanned aerial vehicle-mounted water mist fire extinguishing device.
The labels in the figure are: 1-a first shell, 2-a second shell, 3-an installation box, 4-a transmission shaft, 5-a first installation frame, 6-a second installation frame, 101-a hydraulic turbine, 102-a water inlet pipe, 103-a water outlet pipe, 201-a fan impeller, 202-an air outlet and 203-an air outlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment is a structure of an unmanned aerial vehicle-mounted water mist fire extinguishing device, as shown in fig. 1 to 5, the structure comprises an installation box 3, a hydraulic assembly and a wind power assembly, wherein an accommodating space is arranged in the installation box 3, the hydraulic assembly and the wind power assembly are symmetrically arranged on two sides of the installation box 3, namely the hydraulic assembly is arranged on the inner wall of the installation box 3, the wind power assembly is arranged on the outer wall of the installation box 3, and the hydraulic assembly and the wind power assembly are linked through a transmission shaft 4;
the hydraulic assembly comprises a first shell 1, a hydraulic turbine 101, a water inlet pipe 102 and a water outlet pipe 103, wherein the first shell 1 is a hollow cylinder, the hydraulic turbine 101 is wrapped in the first shell 1, the first shell 1 and the hydraulic turbine 101 are coaxially arranged, the water inlet pipe 102 is vertically arranged, the water outlet end of the water inlet pipe 102 is communicated with the first shell 1, the water outlet pipe 103 is horizontally arranged, the water inlet end of the water outlet pipe 103 is communicated with the first shell 1, and one end of the first shell 1 is fixedly connected with the inner wall of the installation box 3;
the wind power assembly comprises a second shell 2, a fan impeller 201, an air outlet 202 and an air outlet pipe 203, wherein the second shell 2 is a hollow cylinder with one open end, the fan impeller 201 is wrapped in the second shell 2, the second shell 2 and the fan impeller 201 are coaxially arranged, the non-open end of the second shell 2 is fixedly connected with the outer wall of the installation box 3, the second shell 2 is provided with the air outlet 202 communicated with a cavity of the second shell, and the air outlet 202 is communicated with the air inlet end of the air outlet pipe 203;
a first limiting hole is formed in the side wall of the installation box 3, a water spraying head is connected to the first limiting hole in a threaded mode, the water inlet end of the water spraying head is communicated with the water outlet end of the water outlet pipe 103, and the water spraying head is a high-pressure fire-fighting water mist spray head;
a second limiting hole is further formed in the side wall of the mounting box 3, and the second limiting hole is in threaded connection with the outer wall of the air outlet pipe 203;
the first limiting hole and the second limiting hole are symmetrically arranged, and the first limiting hole and the second limiting hole are coaxially arranged;
the top of the installation box 3 is connected with a first installation frame 5, the bottom surface of the installation box 3 is connected with a second installation frame 6, the first installation frame 5 is composed of four installation bars, one ends of the installation bars are fixedly connected with the top surface of the installation box 3, the other ends of the four installation bars are converged towards the body center of the installation box 3, the converged position of the four installation bars is higher than the top surface of the installation box 3, the first installation frame 5 is used for connecting the installation box 3 with the unmanned aerial vehicle, the second installation frame 6 is composed of two groups of installation plates, one group of installation plates is composed of a long plate and vertical plates connected to two ends of the long plate, and the second installation frame 6 is used for connecting the installation box 3 with the unmanned aerial vehicle;
preferably, the hydraulic assemblies and the wind power assemblies are arranged in a set, two sets of symmetrical hydraulic assemblies and wind power assemblies are arranged in the installation box 3, and the number of the sets of the hydraulic assemblies and the wind power assemblies arranged in the set is even;
in order to solve the problems that the fire-fighting unmanned aerial vehicle carries a fire-fighting device, the weight of the fire-fighting unmanned aerial vehicle is increased, the displacement of the unmanned aerial vehicle needs to consume more electric power, when the fire-fighting unmanned aerial vehicle is connected with a high-pressure water gun to extinguish fire, the fire-fighting unmanned aerial vehicle can spray fire while being displaced only by a rotor wing, the displacement during water spraying can cause the flight state of the multi-rotor unmanned aerial vehicle to become extremely unstable and swing and shake, and the serious situation is the danger of crash, the existing displacement process usually stops water spraying, water spraying is carried out after the position is adjusted, not only is long time consuming, but also fire fighting time is delayed, the efficiency is not high, the practicability is not strong, the existing unmanned aerial vehicle is used for fire fighting, a multi-rotor unmanned aerial vehicle is usually adopted, a lifting field is not needed when the existing unmanned aerial vehicle is used in a city, when using, often be connected high-pressure squirt and fire control unmanned aerial vehicle's shell, when high-pressure squirt sprays, it is great to spray recoil, only relies on the problem that aircraft self is difficult to overcome, combines the use below, further explains this device:
firstly, the first mounting frame 5 is connected with a bracket of an unmanned aerial vehicle, so that the mounting box 3 and the unmanned aerial vehicle are arranged coaxially, then the second mounting frame 6 is connected with the bracket of the unmanned aerial vehicle, so that the mounting box 3 and the unmanned aerial vehicle are connected more stably, the second mounting frame 6 can also prevent the wind power component from being impacted due to collision among devices in the transportation process, the transportation safety of the wind power component and the mounting box 3 is protected, and after the mounting process, the water inlet end of the water inlet pipe 102 is communicated with the water outlet end of a high-pressure water pump on a fire fighting truck;
a commissioning procedure that raises the drone, thereby bringing the installation box 3 into the air;
after reaching a designated place, the high pressure water pump is turned on, water flows into the first casing 1 through the water inlet pipe 102, so that the water turbine 101 is driven to rotate by the high-pressure water flow, and since the water turbine 101 and the fan impeller 201 are coaxial, namely, the water turbine 101 and the fan wheel 201 are synchronously rotated through the transmission shaft 4, thereby driving the fan wheel 201 to rotate, and after the fan wheel 201 rotates, a negative pressure area is generated in the second housing 2, air is injected from the opening of the second housing 2, high-pressure air is discharged from the air outlet pipe 203 along with the rotation of the fan impeller 201, therefore, most of reaction force generated during high-pressure water flow injection is offset, and the balance of the unmanned aerial vehicle is ensured during injection due to the two sets of hydraulic assemblies and wind assemblies which are symmetrically arranged;
when needing the displacement, carry out the unilateral and supply water, only supply water to one set of hydraulic assembly promptly and can form the pressure difference of unmanned aerial vehicle both sides to supplementary unmanned aerial vehicle moves by oneself the displacement that produces, and when the displacement, the pressure difference value of unmanned aerial vehicle both sides is controlled to the pressure of accessible control pump water still, thereby makes the unmanned aerial vehicle displacement more steady.
In summary, when the high-pressure water gun sprays water, the hydraulic turbine 101 and the fan impeller 201 provide power to the hydraulic turbine 101 to drive the fan impeller 201 to rotate, the fan impeller 201 sucks air and then sprays the air out through the air outlet pipe 203 which is coaxial with the water spray opening, so that most of recoil generated when the high-pressure water gun sprays water is offset, the flight stability of the multi-rotor unmanned aerial vehicle in the spraying process is ensured, the flight safety of the unmanned aerial vehicle can be ensured, the unmanned aerial vehicle can accurately finish the aim of spraying and extinguishing fire, when the fan impeller 201 rotates, the pressure difference is formed due to the change of the wind speed on the side surface of the multi-rotor unmanned aerial vehicle, when the multi-rotor unmanned aerial vehicle displaces, the pressure difference generated by the rotation of the fan impeller 201 plays a role of assisting the displacement of the multi-rotor unmanned aerial vehicle, and a certain operation space is provided for realizing the simultaneous water spraying and water spraying, the time for adjusting the unmanned spraying angle of the multiple rotors is saved, the fire extinguishing efficiency is improved, the rescue time is prolonged, and the practicability is stronger.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an unmanned aerial vehicle carries thin water smoke extinguishing device which characterized in that: the hydraulic power assembly and the wind power assembly are symmetrically arranged on two sides of the installation box (3), namely the hydraulic power assembly is arranged on the inner wall of the installation box (3), the wind power assembly is arranged on the outer wall of the installation box (3), and the hydraulic power assembly and the wind power assembly are linked through a transmission shaft (4);
the hydraulic assembly comprises a first shell (1), a hydraulic turbine (101), a water inlet pipe (102) and a water outlet pipe (103), wherein the first shell (1) is a hollow cylinder, the first shell (1) wraps the hydraulic turbine (101), the first shell (1) and the hydraulic turbine (101) are coaxially arranged, the water inlet pipe (102) is vertically arranged, the water outlet end of the water inlet pipe (102) is communicated with the first shell (1), the water outlet pipe (103) is horizontally arranged, the water inlet end of the water outlet pipe (103) is communicated with the first shell (1), and one end of the first shell (1) is fixedly connected with the inner wall of the installation box (3).
2. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 1, wherein: the wind-force subassembly includes second shell (2), fan wheel (201), air outlet (202), goes out tuber pipe (203), second shell (2) are one end open-ended hollow cylinder, second shell (2) will including fan wheel (201) parcel, second shell (2) with fan wheel (201) sets up with the axle center, second shell (2) not open-ended one end with the outer wall fixed connection of install bin (3), air outlet (202) rather than the cavity intercommunication is seted up on second shell (2), air outlet (202) with the air inlet end intercommunication of going out tuber pipe (203).
3. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 2, wherein: the side wall of the installation box (3) is provided with a first limiting hole, the first limiting hole is in threaded connection with a water spraying head, the water inlet end of the water spraying head is communicated with the water outlet end of the water outlet pipe (103), and the water spraying head is a high-pressure fire-fighting water mist spray head.
4. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 3, wherein: and a second limiting hole is further formed in the side wall of the mounting box (3), and the second limiting hole is in threaded connection with the outer wall of the air outlet pipe (203).
5. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 4, wherein: the first limiting hole and the second limiting hole are symmetrically arranged, and the first limiting hole and the second limiting hole are coaxially arranged.
6. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 1, wherein: the top of install bin (3) is connected with first mounting bracket (5), the bottom surface of install bin (3) is connected with second mounting bracket (6).
7. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 6, wherein: first mounting bracket (5) comprise four mounting bars, the one end of mounting bar with the top surface fixed connection of install bin (3), four the other end of mounting bar to the body heart of install bin (3) collects, four the collection department of mounting bar is higher than the top surface of install bin (3), first mounting bracket (5) are used for connecting install bin (3) and unmanned aerial vehicle, second mounting bracket (6) comprise two sets of mounting panels, and are a set of the mounting panel is by a rectangular board and connect the riser at rectangular board both ends is constituteed, second mounting bracket (6) are used for connecting install bin (3) and unmanned aerial vehicle.
8. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 1, wherein: the hydraulic component and the wind power component are arranged in a set, and two sets of symmetrical hydraulic components and wind power components are arranged in the installation box (3).
9. The unmanned aerial vehicle-mounted water mist fire extinguishing apparatus as claimed in claim 2, wherein: the water turbine (101) and the fan impeller (201) are coaxial, namely the water turbine (101) and the fan impeller (201) synchronously rotate through the transmission shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683207.4U CN212973932U (en) | 2020-04-29 | 2020-04-29 | Unmanned aerial vehicle carries thin water smoke extinguishing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683207.4U CN212973932U (en) | 2020-04-29 | 2020-04-29 | Unmanned aerial vehicle carries thin water smoke extinguishing device |
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| CN212973932U true CN212973932U (en) | 2021-04-16 |
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| CN202020683207.4U Expired - Fee Related CN212973932U (en) | 2020-04-29 | 2020-04-29 | Unmanned aerial vehicle carries thin water smoke extinguishing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042267A (en) * | 2021-10-14 | 2022-02-15 | 李惊蛰 | Many rotors fire control unmanned aerial vehicle that puts out a fire |
| CN115430640A (en) * | 2022-09-02 | 2022-12-06 | 南方电网电力科技股份有限公司 | Pod device suitable for unmanned aerial vehicle electrified water washing |
-
2020
- 2020-04-29 CN CN202020683207.4U patent/CN212973932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042267A (en) * | 2021-10-14 | 2022-02-15 | 李惊蛰 | Many rotors fire control unmanned aerial vehicle that puts out a fire |
| CN115430640A (en) * | 2022-09-02 | 2022-12-06 | 南方电网电力科技股份有限公司 | Pod device suitable for unmanned aerial vehicle electrified water washing |
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