CN110174670A - A kind of earthquake search and rescue device based on unmanned plane - Google Patents
A kind of earthquake search and rescue device based on unmanned plane Download PDFInfo
- Publication number
- CN110174670A CN110174670A CN201910537177.8A CN201910537177A CN110174670A CN 110174670 A CN110174670 A CN 110174670A CN 201910537177 A CN201910537177 A CN 201910537177A CN 110174670 A CN110174670 A CN 110174670A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box
- holder
- sliding block
- gps module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000007 visual effect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 239000012780 transparent material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- 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
- B64D47/00—Equipment not otherwise provided for
- B64D47/02—Arrangements or adaptations of signal or lighting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention belongs to air vehicle technique fields, especially a kind of earthquake search and rescue device based on unmanned plane, including six rotor wing unmanned aerial vehicles, the top of six rotor wing unmanned aerial vehicles is equipped with GPS instrument, six rotor wing unmanned aerial vehicles are fixedly connected with GPS instrument, the lower end of six rotor wing unmanned aerial vehicles is fixedly connected with fixed disk, sliding slot is offered in fixed disk, sliding block is equipped in sliding slot, sliding slot and sliding block are slidably connected, the inner wall of sliding slot and the outer surface of sliding block match, the lower end of sliding block is equipped with holder, sliding block is fixedly connected with holder, the lower end of holder offers cavity, positioning device is equipped in cavity, positioning device includes shockproof box, extension spring, placement plate, GPS module and combined aural and visual alarm, placement plate is located in shockproof box, sponge is fixedly connected on the inner roof wall of shockproof box, life is detected by radar life-detection instrument, repositioning is thrown Locator facilitates and searches and rescues team member's accurate positionin to the position of trapped person, and the time is searched and rescued in shortening, and convenient, efficient, accurate.
Description
Technical field
The present invention relates to air vehicle technique field more particularly to a kind of earthquake search and rescue devices based on unmanned plane.
Background technique
China is multiple one of the country of earthquake, when after the earthquake, house collapse, many people be crushed on rubble it
Under, therefore, the survivor being embedded in ruins is searched and rescued what rescue group after the earthquake had to race against time, it is existing
Search and rescue mode is generally searched and rescued squad and is searched on foot with rescue dogs or hand-held life detection equipment.
Because of earthquake, many roads are all destroyed or become more rugged, this just gives the advance band for searching and rescuing squad
Carried out great difficulty, rapidly and efficiently ruins can not have been searched and rescued, wasted valuable rescue time, meanwhile, earthquake it
Often there are many aftershocks afterwards, advances between high tower also extremely dangerous.
Summary of the invention
Based on problems of the prior art, the invention proposes a kind of earthquake search and rescue device based on unmanned plane, it
Unmanned plane may be implemented to be searched and rescued, when detecting life source, by placement positioning device, rescue worker is facilitated to be quickly found out
Trapped person, it is convenient, efficient, accurate.
A kind of earthquake search and rescue device based on unmanned plane proposed by the present invention, including six rotor wing unmanned aerial vehicles, six rotor
The top of unmanned plane is equipped with GPS instrument, and six rotor wing unmanned aerial vehicle is fixedly connected with GPS instrument, six rotor wing unmanned aerial vehicle
Lower end is fixedly connected with fixed disk, and sliding slot is offered in the fixed disk, is equipped with sliding block, the sliding slot and sliding block in the sliding slot
It is slidably connected, the inner wall of the sliding slot and the outer surface of sliding block match, and the lower end of the sliding block is equipped with holder, the sliding block
It is fixedly connected with holder, the lower end of the holder offers cavity, and positioning device, the positioning dress are equipped in the cavity
It sets including shockproof box, extension spring, placement plate, GPS module and combined aural and visual alarm, the placement plate is located in shockproof box, described
Sponge is fixedly connected on the inner roof wall of shockproof box, one end of the extension spring is fixedly connected on the inner roof wall of shockproof box,
The other end of the extension spring is fixedly connected in placement plate, and the GPS module is located in placement plate, the GPS module
Upper right side is fixedly connected with combined aural and visual alarm, and the upper end of the shockproof box offers through-hole, and the lower end of the holder is equipped with control
Box processed, the holder are fixedly connected with control box, and pushing block is equipped in the control box, and the outer surface of the control box is fixed
It is connected with compressed spring, the compressed spring is fixedly connected with baffle far from one end of control box, and the left end of the fixed disk is solid
Surely it is connected with radar life-detection instrument, life is detected by radar life-detection instrument, repositioning is launched positioning device, conveniently searched
It rescues team member to be accurately positioned to the position of trapped person, shortens and search and rescue the time, and is convenient, efficient, accurate.
Preferably, the GPS instrument and GPS module select NEO-6M module, and positioning accuracy is not more than 5m, otherwise can not
Guarantee the positioning and hovering function of six rotor wing unmanned aerial vehicles.
Preferably, the detection range of the radar life-detection instrument is 30m, and the radar life-detection instrument passes through radio
It is connected with handheld terminal, and handheld terminal includes display screen, facilitates remote control.
Preferably, the outer end of the control box is socketed rubber sleeve, and the rubber sleeve is transparent material, on the rubber sleeve
Hole is offered, the hole is opposite with the position of through-hole, not only protects shockproof box, and transparent material will not shelter from shockproof box
Surface color facilitates search and rescue team member to view, and the sound of combined aural and visual alarm can be appeared out of hole.
Preferably, the six rotor wing unmanned aerial vehicles maximum can be capable of carrying a load of 10kg, the holder, control box, shockproof box
It is light plastic material, convenient for the flight of six rotor wing unmanned aerial vehicles.
Preferably, the size of the shockproof box and pushing block is in the same size, convenient for launching positioning device.
Preferably, lithium battery is equipped in the shockproof box, the lithium battery electrically connects with GPS module and combined aural and visual alarm
Connect, allow GPS module and combined aural and visual alarm can prolonged operation, keep high efficiency.
Having the beneficial effect that in the present invention
1, by setting holder, positioning device is put in the cavity of holder, and the height of the height of positioning device and baffle
Degree is consistent, controls box by remote control, and pushing block is allowed to be collapsible into control box and stretch out out of control box, convenient fast
It is prompt.
2, by the way that under the elastic force effect of compressed spring, baffle is moved forward, and positioning device falls one, then by remotely grasping
Control control box, pushing block are stretched out out of control box, and baffle is pushed to be moved to the left, and baffle pushes positioning device, and positioning device is thrown
It puts to detecting at lived position, convenience and high-efficiency.
3, placement plate being pulled down convenient for protection GPS module and combined aural and visual alarm by setting shockproof box, extension spring stretches,
The GPS module for being fixedly connected with combined aural and visual alarm is placed in placement plate, under the action of extension spring, GPS module it is upper
End is tightly attached on the inner wall of shockproof box, prevents the shaking of GPS module.
4, by being socketed rubber sleeve in the outer end of control box, rubber sleeve is transparent material, and transparent material will not shelter from anti-
The surface color for shaking case facilitates search and rescue team member to view.
5, by opening up hole on rubber sleeve, hole is opposite with the position of through-hole, not only protect shockproof box, and acousto-optic report
The sound of alert device can be appeared out of hole.
6, in the same size with pushing block by designing the size of shockproof box, convenient for launching positioning device, and shockproof box
Interior to be equipped with lithium battery, lithium battery is electrically connected with GPS module and combined aural and visual alarm, allows GPS module and combined aural and visual alarm can be with
Prolonged operation keeps high efficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the earthquake search and rescue device based on unmanned plane proposed by the present invention;
Fig. 2 is a kind of sliding slot sliding block cross-sectional view of the earthquake search and rescue device based on unmanned plane proposed by the present invention;
Fig. 3 is a kind of cross-sectional view of the holder of the earthquake search and rescue device based on unmanned plane proposed by the present invention;
Cross-sectional view when Fig. 4 is a kind of dispensing positioning device of earthquake search and rescue device based on unmanned plane proposed by the present invention;
Fig. 5 is a kind of shockproof box cross-sectional view of the earthquake search and rescue device based on unmanned plane proposed by the present invention.
In figure: 1, six rotor wing unmanned aerial vehicle;2, GPS instrument;3, fixed disk;4, sliding slot;5, sliding block;6, holder;7, cavity;
8, positioning device;9, box is controlled;10, compressed spring;11, baffle;12, pushing block;13, shockproof box;14, extension spring;15, it puts
Set plate;16, GPS module;17, combined aural and visual alarm;18, rubber sleeve;19, through-hole;20, radar life-detection instrument.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of earthquake search and rescue device based on unmanned plane, including six rotor wing unmanned aerial vehicles 1, six rotor wing unmanned aerial vehicles
1 top is equipped with GPS instrument 2, and six rotor wing unmanned aerial vehicles 1 are fixedly connected with GPS instrument 2, and the lower end of six rotor wing unmanned aerial vehicles 1 is fixed to be connected
It is connected to fixed disk 3, sliding slot 4 is offered in fixed disk 3, is equipped with sliding block 5 in sliding slot 4, sliding slot 4 and sliding block 5 are slidably connected, sliding slot 4
The outer surface of inner wall and sliding block 5 match, the lower end of sliding block 5 is equipped with holder 6, and sliding block 5 is fixedly connected with holder 6, puts
The lower end for setting box 6 offers cavity 7, is equipped with positioning device 8 in cavity 7, positioning device 8 include shockproof box 13, extension spring 14,
Placement plate 15, GPS module 16 and combined aural and visual alarm 17, placement plate 15 are located in shockproof box 13, solid on the inner roof wall of shockproof box 13
Surely it is connected with sponge, one end of extension spring 14 is fixedly connected on the inner roof wall of shockproof box 13, the other end of extension spring 14
It is fixedly connected in placement plate 15, GPS module 16 is located in placement plate 15, and the upper right side of GPS module 16 is fixedly connected with acousto-optic
Alarm 17, the upper end of shockproof box 13 offer through-hole 19, and the lower end of holder 6 is equipped with control box 9, holder 6 and control box 9
It is fixedly connected, pushing block 12 is equipped in control box 9, the outer surface of control box 9 is fixedly connected with compressed spring 10, compressed spring 10
One end far from control box 9 is fixedly connected with baffle 11, and the left end of fixed disk 3 is fixedly connected with radar life-detection instrument 20, leads to
It crosses radar life-detection instrument 20 and detects life, positioning device 8 is launched in repositioning, and search and rescue team member is facilitated to be accurately positioned to oppressive
The position of member shortens and searches and rescues the time, and convenient, efficient, accurate, and GPS instrument 2 and GPS module 16 select NEO-6M module,
Positioning accuracy is not more than 5m, otherwise not can guarantee the positioning and hovering function of six rotor wing unmanned aerial vehicles 1, radar life-detection instrument 20
Detection range is 30m, and radar life-detection instrument 20 has handheld terminal by radio connection, and handheld terminal includes display screen,
Facilitate remote control, the outer end of control box 9 is socketed rubber sleeve 18, and rubber sleeve 18 is transparent material, opens up on rubber sleeve 18
There is hole, hole is opposite with the position of through-hole 19, not only protects shockproof box 13, and transparent material will not shelter from the table of shockproof box 13
Face color facilitates search and rescue team member to view, and the sound of combined aural and visual alarm 17 can be appeared out of hole, and six rotor wing unmanned aerial vehicles 1 are most
It can be capable of carrying a load of 10kg greatly, holder 6, control box 9, shockproof box 13 are light plastic material, are convenient for six rotor wing unmanned aerial vehicles 1
Flight, the size of shockproof box 13 is in the same size with pushing block 12, convenient for launching positioning device 8, is equipped with lithium in shockproof box 13
Battery, lithium battery are electrically connected with GPS module 16 and combined aural and visual alarm 17, allow GPS module 16 and combined aural and visual alarm 17 can be with
Prolonged operation keeps high efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of earthquake search and rescue device based on unmanned plane, including six rotor wing unmanned aerial vehicles (1), six rotor wing unmanned aerial vehicle (1)
Top is equipped with GPS instrument (2), and six rotor wing unmanned aerial vehicle (1) is fixedly connected with GPS instrument (2), it is characterised in that: described six
The lower end of rotor wing unmanned aerial vehicle (1) is fixedly connected with fixed disk (3), offers sliding slot (4), the sliding slot on the fixed disk (3)
(4) sliding block (5) are equipped in, the sliding slot (4) and sliding block (5) be slidably connected, the inner wall of the sliding slot (4) and sliding block (5) outside
Surface matches, and the lower end of the sliding block (5) is equipped with holder (6), and the sliding block (5) is fixedly connected with holder (6), described
The lower end of holder (6) offers cavity (7), is equipped with positioning device (8) in the cavity (7), and the positioning device (8) includes
Shockproof box (13), extension spring (14), placement plate (15), GPS module (16) and combined aural and visual alarm (17), the placement plate (15)
In the shockproof box (13), it is fixedly connected with sponge on the inner roof wall of the shockproof box (13), the one of the extension spring (14)
End is fixedly connected on the inner roof wall of shockproof box (13), and the other end of the extension spring (14) is fixedly connected on placement plate (15)
On, the GPS module (16) is located on placement plate (15), and the upper right side of the GPS module (16) is fixedly connected with sound-light alarm
The upper end of device (17), the shockproof box (13) offers through-hole (19), and the lower end of the holder (6) is equipped with control box (9), institute
It states holder (6) to be fixedly connected with control box (9), is equipped with pushing block (12) in the control box (9), control box (9)
Outer surface is fixedly connected with compressed spring (10), and the compressed spring (10) is fixedly connected with gear far from one end of control box (9)
The left end of plate (11), the fixed disk (3) is fixedly connected with radar life-detection instrument (20).
2. a kind of earthquake search and rescue device based on unmanned plane according to claim 1, it is characterised in that: the GPS instrument
(2) and GPS module (16) selects NEO-6M module, and positioning accuracy is not more than 5m.
3. a kind of earthquake search and rescue device based on unmanned plane according to claim 1, it is characterised in that: the radar life
The detection range of survey meter (20) is 30m, and the radar life-detection instrument (20) has handheld terminal, and hand by radio connection
Holding terminal includes display screen.
4. a kind of earthquake search and rescue device based on unmanned plane according to claim 1, it is characterised in that: the control box
(9) outer end is socketed rubber sleeve (18), and the rubber sleeve (18) is transparent material, offers on the rubber sleeve (18)
Hole, the hole are opposite with the position of through-hole (19).
5. a kind of earthquake search and rescue device based on unmanned plane according to claim 1, it is characterised in that: six rotor without
Man-machine (1) maximum can be capable of carrying a load of (10kg), and the holder (6), control box (9), shockproof box (13) are light plastic
Material.
6. a kind of earthquake search and rescue device based on unmanned plane described in -5 according to claim 1, it is characterised in that: the shockproof box
(13) size is in the same size with pushing block (12).
7. a kind of earthquake search and rescue device based on unmanned plane described in -6 according to claim 1, it is characterised in that: the shockproof box
(13) lithium battery is equipped in, the lithium battery is electrically connected with GPS module (16) and combined aural and visual alarm (17).
8. a kind of application of the earthquake search and rescue device based on unmanned plane, it is characterised in that: cross setting holder, positioning device is put
In in the cavity of holder, and the height of positioning device is consistent with the height of baffle, controls box by remote control, so that pushing
Block can be collapsible into control box and stretch out out of control box, convenient and efficient;By the way that under the elastic force effect of compressed spring, baffle is forward
Mobile, positioning device falls one, then controls box by remote control, and pushing block is stretched out out of control box, pushes baffle to the left
Mobile, baffle pushes positioning device, and positioning device is thrown to and is detected at lived position, convenience and high-efficiency;Pass through setting
Shockproof box pulls down placement plate convenient for protection GPS module and combined aural and visual alarm, and extension spring stretches, and will be fixedly connected with acousto-optic report
The GPS module of alert device is placed in placement plate, and under the action of extension spring, the upper end of GPS module is tightly attached to the interior of shockproof box
On wall, the shaking of GPS module is prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910537177.8A CN110174670A (en) | 2019-06-20 | 2019-06-20 | A kind of earthquake search and rescue device based on unmanned plane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910537177.8A CN110174670A (en) | 2019-06-20 | 2019-06-20 | A kind of earthquake search and rescue device based on unmanned plane |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110174670A true CN110174670A (en) | 2019-08-27 |
Family
ID=67698766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910537177.8A Pending CN110174670A (en) | 2019-06-20 | 2019-06-20 | A kind of earthquake search and rescue device based on unmanned plane |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110174670A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113086225A (en) * | 2021-04-14 | 2021-07-09 | 湖南信息学院 | Emergent unmanned aerial vehicle route optimization device in earthquake |
-
2019
- 2019-06-20 CN CN201910537177.8A patent/CN110174670A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113086225A (en) * | 2021-04-14 | 2021-07-09 | 湖南信息学院 | Emergent unmanned aerial vehicle route optimization device in earthquake |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101720565B1 (en) | Unmanned Aerial Vehicle System For Broadcasting Distress Research And Emergency Guide | |
CA2746893C (en) | Air powered signaling system | |
CN202190846U (en) | Multifunctional alpenstock for line inspection | |
CN204940996U (en) | A kind of frame module formula inflation hangar | |
CN202456059U (en) | Portable police-dog odor-search remote-control rewarding apparatus | |
CN103886663A (en) | Findable automobile key and system capable of finding automobile key | |
CN110174670A (en) | A kind of earthquake search and rescue device based on unmanned plane | |
CN103350422B (en) | A kind of life detection and rescue robot | |
CN201334116Y (en) | Hovering police reconnaissance flight vehicle with infra-red range measuring function | |
CN106353774A (en) | Intelligent Beidou search/rescue and position sending instrument and search/rescue and position sending method thereof | |
CN203444123U (en) | Flight life detector | |
CN206481292U (en) | Hand-held unmanned plane drives trapping instrument | |
CN210243835U (en) | Earthquake search and rescue device based on unmanned aerial vehicle | |
CN105560023A (en) | Voice navigation intelligent walking stick for blind | |
CN112987788A (en) | Earthquake search and rescue system and method based on unmanned aerial vehicle | |
CN205399293U (en) | Portable tire burster | |
CN105953834A (en) | Life detection ball used for collapse rescue and detection system based on detection ball | |
CN207198130U (en) | A kind of portable intelligent tunnel gas detecting instrument | |
CN206400109U (en) | The intelligent Big Dipper searches and rescues report position instrument | |
CN205417054U (en) | Empty rescue machine of surveying in land | |
CN202101985U (en) | Wireless detecting ball for detecting danger areas | |
CN205642447U (en) | A life detection ball for caving in rescue | |
US6948590B1 (en) | Redundant systems utilizing inflatable devices in association with utility structures | |
CN211844925U (en) | Unmanned aerial vehicle flight buffer stop | |
CN104608929B (en) | Flying platform is searched and rescued in low latitude |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190827 |