CN209795841U - unmanned aerial vehicle parachute control system - Google Patents
unmanned aerial vehicle parachute control system Download PDFInfo
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- CN209795841U CN209795841U CN201920138942.4U CN201920138942U CN209795841U CN 209795841 U CN209795841 U CN 209795841U CN 201920138942 U CN201920138942 U CN 201920138942U CN 209795841 U CN209795841 U CN 209795841U
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Abstract
The utility model relates to a field, concretely relates to unmanned aerial vehicle parachute control system, including the unmanned aerial vehicle main part, set up the umbrella body in the unmanned aerial vehicle main part and be used for ejecting out the jettison device outside the unmanned aerial vehicle main part with the umbrella body, still including being used for control the jettison device pops out the controller of the umbrella body, the controller is including setting up the circuit arrangement on mounting plate, and circuit arrangement is connected with main control chip, triaxial attitude appearance, longitudinal accelerometer, barometer sensor and jettison device, main control chip respectively with triaxial attitude appearance, longitudinal accelerometer, barometer sensor and jettison device electric signal connection. The utility model discloses a control system has automatic parachute opening, autoalarm, position tracking, safety protection's function, has improved the reliability that unmanned aerial vehicle emergency opened the umbrella simultaneously.
Description
Technical Field
The utility model relates to a parachute technical field especially relates to an unmanned aerial vehicle parachute control system.
Background
the unmanned plane is called unmanned plane for short, it is an unmanned plane operated by radio remote control remote measuring equipment and self-contained program control device, and has no cockpit on the plane, but it is equipped with navigation flight control system, program control device and equipment of power and power supply, and the ground remote control remote station personnel can utilize the equipment of data chain, etc. to make tracking, positioning, remote control, remote measurement and digital transmission.
The falling of unmanned aerial vehicle in the use easily injures mankind and damages building etc. especially at industrial level unmanned aerial vehicle's application, take place the safe problem of personnel and property that the air crash caused, the economic loss who brings far surpasss with unmanned aerial vehicle value itself, such safe problem has become global technical problem, consequently use unmanned aerial vehicle has been forbidden comprehensively in some public occasions or special area, consequently, to the relevant regulation of unmanned aerial vehicle perfect gradually, the safe problem in the unmanned aerial vehicle use has become important problem.
Most unmanned aerial vehicle that has now does not have any active safety arrangement, does not have precaution and safeguard measure to the unmanned aerial vehicle of taking place the accident, and some unmanned aerial vehicle adopt the parachute to avoid the potential safety hazard when unmanned aerial vehicle crashes, and wherein, chinese patent that application number is 201710752695.2 discloses a fixed wing unmanned aerial vehicle parachute release system, includes: a connection device connectable to the drone and the parachute, and a locking structure controllable by the servo-actuator to enable release of the connection element from the drone; the parachute is fixed on the fixed-wing unmanned aerial vehicle through the parachute release structure; parachute release fixes on fixed wing unmanned aerial vehicle, this patent is fixed and the release has higher operability to the unmanned aerial vehicle parachute, under the special circumstances (if unmanned aerial vehicle hangs on the branch or unmanned aerial vehicle falls after the parachute blows the circumstances such as once more), just need whether "a key" release parachute of snap judgments, the protection unmanned aerial vehicle fuselage, but the repeated recycle of parachute, can in time protect unmanned aerial vehicle fuselage and the cabin in valuable equipment, but it has intelligent degree low, the parachute-opening effect is poor, the problem of operation complicacy. Other structures of the existing parachute generally have two modes of spring type parachute opening and compressed gas injection type parachute opening, and the two modes of parachute opening also have the problems of unreliable parachute opening effect, high failure rate and low repeated utilization rate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing an unmanned aerial vehicle parachute control system, this control system intelligent degree is high, can realize automatic parachute opening, automatic alarm, position tracking, safety protection's function, has improved the reliability that unmanned aerial vehicle emergency state opened the umbrella simultaneously to and the convenience of seeking the unmanned aerial vehicle position after unmanned aerial vehicle opened the umbrella and falls to the ground.
Based on the technical scheme, the control system of the parachute of the unmanned aerial vehicle comprises the parachute of the unmanned aerial vehicle, an unmanned aerial vehicle main body, a parachute body arranged on the unmanned aerial vehicle main body, an ejection device used for ejecting the parachute body out of the unmanned aerial vehicle main body, and a controller used for controlling the ejection device to eject the parachute body, wherein the controller comprises a circuit device arranged on an installation bottom plate, and a main control chip, a three-axis attitude instrument, a longitudinal accelerometer, a barometer sensor and an electric arc generator which are connected with the circuit device, and the main control chip is in electric signal connection with the three-axis attitude instrument, the longitudinal accelerometer, the barometer sensor and the ejection device respectively;
The three-axis attitude instrument, the longitudinal accelerometer and the barometer sensor are used for respectively detecting data information of an attitude angle, a descending speed and a flying height of the unmanned aerial vehicle; the main control chip receives, analyzes and calculates the data information to control whether the ejection device ejects the umbrella body.
The main control chip is provided with a communication unit for transmitting signals to the unmanned aerial vehicle main body, and is used for transmitting parachute opening signals of the parachute to the unmanned aerial vehicle to enable the unmanned aerial vehicle to stop paddle rotation.
The ejection device comprises a gunpowder barrel fixedly arranged on the mounting base plate, the umbrella body is arranged on the upper portion of the gunpowder barrel, gunpowder and an electric arc generator used for igniting the gunpowder are sequentially arranged in the gunpowder barrel from top to bottom, and the electric arc generator is connected with a controller so as to control the electric arc generator to generate electric arc to ignite the gunpowder, so that the gunpowder is combusted to generate gas to eject the umbrella body.
the utility model discloses a but unmanned aerial vehicle attitude state is perceived to triaxial gesture appearance, but unmanned aerial vehicle's falling velocity is perceived to longitudinal accelerometer, when the attitude angle surpassed the default or when falling velocity surpassed the default, satisfied one of them condition and combined current flight height, main control chip will control arc generator and produce electric arc and open and pop out the umbrella body to send the parachute opening signal simultaneously and give the unmanned aerial vehicle main part, but unmanned aerial vehicle automatic stop paddle rotates, avoids rotatory paddle winding umbrella rope.
Further, the controller still includes the infrared sensor who is connected with circuit arrangement and main control chip electricity signal simultaneously, infrared sensor will detect the data transmission to the main control chip that someone or foreign matter exist above the parachute, main control chip analysis the data of infrared sensor transmission are controlled arc generator cancels the parachute-opening. The infrared sensor can detect the foreign matter state of parachute top, and when detecting that someone and foreign matter exist in the parachute top, main control chip closed the function of automatic parachute-opening, has solved someone in the parachute top, the problem of the personnel's damage that the mistake parachute-opening or trouble parachute-opening caused.
Further, still be provided with on the mounting plate and equallyd divide the vibrations sensor of being connected with circuit arrangement and main control chip respectively, SIM clamps and audible-visual annunciator, when unmanned aerial vehicle emergency landing parachute-opening, the vibrations sensor is used for responding to unmanned aerial vehicle's the state of falling to the ground, SIM clamps the position information transmission that the device is used for falling to the ground for appointed contact, audible-visual annunciator is used for instructing sound and light of usefulness, can increase near unmanned aerial vehicle landing point's the convenience of looking for unmanned aerial vehicle like this, the problem that unmanned aerial vehicle falls to the ground and looks for difficultly is solved.
Furthermore, the circuit device is provided with an XH2.546p external connection end head and is used for manually controlling the ejection of the parachute through an unmanned aerial vehicle PWM signal or an RSSI signal. Can manual control unmanned aerial vehicle's parachute opening like this.
Further, circuit arrangement is connected with the electric arc and detects the button for simulate control circuit parachute-opening state and produce electric arc in order to detect under the condition state of not adorning the umbrella parachute control system, whole testing process is simple and efficient, does not have any damage to the parachute body, has solved compressed gas type parachute and has need to inflate the test, problem that the operation is complicated, and violent vibrations that the spring type parachute test brought cause and subtract the life-span problem of short parachute.
Furthermore, a battery device connected with the main control chip and the circuit device is arranged on the mounting bottom plate and used for providing power for the control system. The battery device is a built-in independent power system and has a power switch key and an electric quantity display function, and because the existing parachute of the unmanned aerial vehicle needs to be powered by the unmanned aerial vehicle main body, and the parachute fails due to the loss of power source when the unmanned aerial vehicle has a power failure and crashes, the power device of the utility model can supply power independently, is not influenced by the power supply of the unmanned aerial vehicle main body, and improves the reliability of parachute opening of the unmanned aerial vehicle; through opening and closing of switch button control parachute, reduce the power that does not consume at unmanned aerial vehicle time of flight, the electric quantity shows also can monitor battery device user state at any time, and guarantee parachute system electric quantity state is good when using.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of the parachute control system of the unmanned aerial vehicle of the present invention;
Fig. 2 is a schematic structural view of the mounting base plate of the parachute control system of the unmanned aerial vehicle of the present invention;
Fig. 3 is the utility model discloses unmanned aerial vehicle parachute control system's control structure schematic diagram.
The multifunctional umbrella comprises an umbrella cover 1, an upper mounting ring 2, an umbrella barrel 3, an ejection cavity 4, a gunpowder barrel 5, gunpowder 6, an arc generator 7, a lower mounting ring 8, a circuit device 9, a circuit shell 10, a mounting base plate 11, a mounting foot stand 12, a Micro-USB interface 13, a main control chip 14, an infrared sensor 15, an arc detection key 16, a vibration sensor 17, an audible and visual alarm 18, a power indicator 19, an external connection end 20, XH2.546p, a lithium battery 21, a triaxial attitude instrument 22, an SIM card device 24, a barometer 25, a longitudinal accelerometer 26 and a power switch 26.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
embodiment 1 of the control system of the unmanned aerial vehicle parachute of the utility model, as shown in fig. 1-3, including the above-mentioned unmanned aerial vehicle parachute and the controller that controls the unmanned aerial vehicle parachute to pop out, the unmanned aerial vehicle parachute includes mounting plate 11, the umbrella body and the upper portion open-ended umbrella bucket 3, the upper portion export of umbrella bucket 3 is installed and is gone up collar 2, the top of umbrella bucket 3 is installed umbrella cover 1, the edge of umbrella cover 1 has a plurality of N pole magnets in threaded connection, it is used for the S pole magnet that adsorbs each other with N pole magnet to fix on the umbrella bucket 3 and bond a plurality of, N pole magnet and S pole magnet are the cross and distribute the point setting evenly, utilize the magnet of four points with umbrella cover edge "+" shape in the umbrella bucket, umbrella cover 1 and umbrella bucket 3 are connected through kaifu stay cord; lower collar 8 is installed at the bottom export edge of umbrella bucket 3, lower collar 8 and 3 bolted connection of umbrella bucket, and 3 bottoms of umbrella bucket are through bolt fixedly connected with circuit casing 10, and circuit casing 10 is fixed with mounting plate 11 through bolt or pin joint, and like this, umbrella bucket 3, circuit casing 10 and 11 fixed connection of mounting plate form the space of placing that is used for placing the umbrella body.
Wherein, the umbrella barrel 3 is a dodecagon umbrella barrel 3 formed by carbon fiber in an integrated manner, and the inner wall surface of the umbrella barrel 3 is smooth; the circuit case 10 has a hexagonal shape; circuit casing 10 below design has installation foot rest 12, and the installation of different unmanned aerial vehicle screw hole positions is satisfied in the slide formula installation hole site of a plurality of positions of mounting plate 11 design, and installation foot rest 12 has the specification of a plurality of lengths for connect unmanned aerial vehicle and mounting plate 11, different specification length can adjust the mounting height in a flexible way.
It is provided with the jettison device who is used for shooting the umbrella barrel 3 with the umbrella body bullet in placing the space, jettison device is including fixed explosive barrel 5 that sets up on mounting plate 11, 5 vertical directions of explosive barrel extend, the umbrella body sets up the upper portion at explosive barrel 5, set gradually gunpowder 6 from top to bottom in the explosive barrel 5 and be used for lighting the arc generator 7 of gunpowder, wherein gunpowder 6 sets up the opening part on 3 upper portions of explosive barrel, fixed being provided with the hourglass hopper-shaped chamber 4 that launches that upwards extends between the explosive barrel 3 and the umbrella body, it can be dismantled with the bolt with explosive barrel 3 to launch chamber 4, launch chamber 4 cross sectional dimension by supreme increase gradually down, the energy of production has been released by maximum efficiency, help improving gaseous ejection speed and improve the ejection speed of parachute. The gunpowder 3 adopts solid gunpowder with the weight less than 1.5g, the solid gunpowder is ignited by electric arc and electrified until the ignition time is less than 0.2s, and the solid gunpowder instantly generates a large amount of gas to form strong air explosive force, so that the gas has higher speed and power and can be quickly ejected out of the umbrella body; the parachute can reuse many times, and at parachute one-time use back, take out the solid-state powder of loading into again of explosive barrel in the explosive barrel, powder portable, the parachute can make things convenient for quick change powder in needs, and explosive barrel and powder can be put into the parachute after the test is qualified and be used for the parachute to reuse, whole process operation and simple, can accomplish the operation in the open air.
Wherein, arc generator 7 is four, and four arc generator 7 are four point ring circle formula and evenly laminate the 5 inner walls of explosive barrel, and every arc generator appearance is acicular and the top "L" type form that falls, and every arc generator 7 height is the tenth of explosive barrel height. The four-point ring type arc generators are arranged, so that the four arc generators are uniformly attached and distributed on the inner wall of the gunpowder barrel, and the arc generator with the inverted L-shaped top is needle-shaped, so that a stronger arc effect can be generated.
wherein, a plurality of umbrella ropes of fixedly connected with on the umbrella body, the other one end of umbrella rope is passed umbrella bucket upper portion export and is linked to each other with unmanned aerial vehicle's main part, and not drawn in the figure, perhaps the through-hole is reserved on the upper portion of umbrella bucket for supply the umbrella rope to pass. The parachute harness lug connection unmanned aerial vehicle host computer, the parachute body is opened the back direct action and is used the unmanned aerial vehicle host computer on, the damage of the bottom plate that arouses when avoiding the parachute body effort to be connected to mounting plate.
The arc generator 7 is connected with a controller, as shown in fig. 1-2, the controller comprises a circuit device 9 arranged on the mounting base plate, and a main control chip 14, a three-axis attitude instrument 22, a longitudinal accelerometer 25, a barometer 24, a barometer sensor and the arc generator 7 which are connected with the circuit device 9, the barometer sensor is arranged on the barometer 24 and used for detecting and transmitting an air pressure value of the barometer, and the main control chip 14 is respectively in electric signal connection with the three-axis attitude instrument 22, the longitudinal accelerometer 25, the barometer sensor and the arc generator 7; the three-axis attitude instrument 22, the longitudinal accelerometer 25 and the barometer sensor are used for respectively detecting data information of an attitude angle, a descending speed and a flying height of the unmanned aerial vehicle; the main control chip 14 receives and analyzes and calculates the data information to control the arc generator to generate the arc.
The main control chip is provided with a communication unit used for transmitting signals to the unmanned aerial vehicle, and is used for transmitting parachute opening signals of the parachute to the unmanned aerial vehicle to enable the unmanned aerial vehicle to stop rotating the blades.
The utility model discloses a but 22 perceptions unmanned aerial vehicle attitude states of triaxial gesture appearance, but the descending speed of longitudinal accelerometer 25 perceptions unmanned aerial vehicle, when the attitude angle surpassed the default or when the descending speed surpassed the default, satisfy one of them condition and combine current flying height, main control chip 14 will control arc generator and produce electric arc and open and pop out the umbrella body to send the parachute opening signal simultaneously and give the unmanned aerial vehicle main part, but unmanned aerial vehicle automatic stop paddle rotates, avoids rotatory paddle winding umbrella rope.
Wherein, the circuit device is provided with an XH2.546p external connection end 20 for the ejection of manual control parachute through unmanned aerial vehicle PWM signal or RSSI signal. Can manual control unmanned aerial vehicle's parachute opening like this.
the mounting base plate 11 is provided with a battery device connected with the main control chip 14 and the circuit device 9, and the battery device comprises a lithium battery 21 for providing power for the control system. The battery device is a built-in independent power supply system, the battery device 9 has a power switch 26 and an electric quantity display function, and because the existing parachute of the unmanned aerial vehicle needs the unmanned aerial vehicle main body to supply power, and the parachute fails due to the loss of power supply when the unmanned aerial vehicle has a power failure and crashes, the power supply device of the utility model can supply power independently, is not influenced by the power supply of the unmanned aerial vehicle main body, and improves the reliability of the parachute opening of the unmanned aerial vehicle; through opening and closing of switch 26 control parachute, reduce the power that does not consume at unmanned aerial vehicle flight time, the electric quantity shows that also can monitor battery device user state at any time, and guarantee parachute system electric quantity state is good when using.
The working principle is as follows: as shown in fig. 3, the data information of the attitude angle, the descent speed and the flying height detected by the three-axis attitude indicator 22, the longitudinal accelerometer 25, the barometer 24 and the barometer sensor is transmitted to the main control chip, when the main control chip 14 calculates that the attitude angle exceeds a preset value or the descent speed exceeds a preset value, the main control chip 14 controls the electric arc generator to generate electric arc, ignite gunpowder in the gunpowder barrel 5, and a large amount of gas is instantly produced by the gunpowder to push a parachute pack in the parachute barrel to be ejected out, so as to achieve the purpose of automatic parachute opening, and a parachute opening signal is sent to the unmanned aerial vehicle main body by using a communication module of the main control chip, so that the unmanned aerial vehicle main body can automatically stop the rotation of the,
The utility model discloses parachute control system's embodiment 2, embodiment 2 has further injectd on embodiment 1's basis: the controller also comprises an infrared sensor 15 which is simultaneously in electric signal connection with the circuit device 9 and the main control chip 14, the infrared sensor 15 transmits data for detecting the existence of people or foreign matters above the parachute to the main control chip, and the main control chip 14 analyzes the data transmitted by the infrared sensor and controls the arc generator 7 to cancel parachute opening. Infrared sensor 15 can detect the foreign matter state of parachute top, and when detecting that someone and foreign matter exist in the parachute top, the function of automatic parachute opening is closed to main control chip, has solved someone in the parachute top, and the problem of personnel's damage that the mistake parachute opened or the trouble parachute opening caused.
The utility model discloses parachute control system's embodiment 3, embodiment 3 has further injectd on embodiment 1's basis: still be provided with on mounting plate 11 and equallyd divide the vibrations sensor 17 of being connected with circuit arrangement 9 and main control chip 14 respectively, SIM clamps and puts 23 and audible-visual annunciator 18, when unmanned aerial vehicle emergency parachute-opening, vibrations sensor 17 is used for responding to unmanned aerial vehicle's the state of falling to the ground, SIM clamps and puts 23 position information transmission for appointed contact that is used for falling to the ground, audible-visual annunciator 18 is used for sending sound and the light of instructing usefulness, can increase the convenience of looking for unmanned aerial vehicle near unmanned aerial vehicle landing point like this, the problem that unmanned aerial vehicle falls to the ground and looks for difficultly is solved.
The utility model discloses parachute control system's embodiment 4, embodiment 4 has further injectd on embodiment 1's basis: circuit arrangement 9 is provided with arc detection button 16 for simulate control circuit parachute-opening state and produce electric arc in order to detect under the condition state of not adorning the umbrella parachute control system, whole testing process is simple and efficient, does not have any damage to the parachute body, has solved compressed gas type parachute and need inflate the test, the problem of the operation complicacy, the violent vibrations that the spring parachute test brought cause and subtract short parachute life-span problem.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an unmanned aerial vehicle parachute control system, includes the unmanned aerial vehicle main part, sets up the umbrella body in the unmanned aerial vehicle main part and is used for ejecting out the outer jettison device of unmanned aerial vehicle main part with the umbrella body, its characterized in that: the controller comprises a circuit device arranged on the mounting base plate, the circuit device is connected with a main control chip, a three-axis attitude instrument, a longitudinal accelerometer, a barometer sensor and the ejection device, and the main control chip is respectively in electrical signal connection with the three-axis attitude instrument, the longitudinal accelerometer, the barometer sensor and the ejection device;
The three-axis attitude instrument, the longitudinal accelerometer and the barometer sensor are used for respectively detecting data information of an attitude angle, a descending speed and a flying height of the unmanned aerial vehicle; the main control chip receives, analyzes and calculates the data information to control whether the ejection device ejects the umbrella body;
The main control chip is provided with a communication unit for transmitting signals to the unmanned aerial vehicle main body, and is used for transmitting parachute opening signals of the parachute to the unmanned aerial vehicle to enable the unmanned aerial vehicle to stop paddle rotation.
2. An unmanned aerial vehicle parachute control system as in claim 1, wherein: the controller still includes the infrared sensor with circuit arrangement and main control chip electricity signal connection simultaneously, infrared sensor will detect the data transmission to the main control chip that someone or foreign matter exist above the parachute, the analysis of main control chip the data of infrared sensor transmission are controlled the jettison device cancellation is opened the umbrella.
3. An unmanned aerial vehicle parachute control system as in claim 1, wherein: still be provided with on the mounting plate and equallyd divide vibrations sensor, SIM card device and audible-visual annunciator be connected with circuit arrangement and main control chip respectively, when unmanned aerial vehicle emergency landing parachute-opening, vibrations sensor is used for responding to unmanned aerial vehicle's the state of falling to the ground, and SIM card device is used for giving appointed contact with the positional information who falls to the ground, and audible-visual annunciator is used for instructing sound and the light of usefulness.
4. An unmanned aerial vehicle parachute control system as in claim 1, wherein: the circuit device is provided with an XH2.546p external connection end for manually controlling the ejection of the parachute through an unmanned aerial vehicle PWM signal or an RSSI signal.
5. An unmanned aerial vehicle parachute control system as in claim 1, wherein: the circuit device is connected with a Micro-USB interface and used for transmitting data information of the control system.
6. An unmanned aerial vehicle parachute control system as in claim 1, wherein: the circuit device is connected with an arc detection key and used for simulating the parachute opening state of the control circuit and generating an arc to detect the parachute control system under the condition that the parachute is not installed.
7. An unmanned aerial vehicle parachute control system as claimed in any one of claims 1-6, wherein: and the mounting base plate is provided with a battery device connected with the main control chip and the circuit device and used for providing power for the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138942.4U CN209795841U (en) | 2019-01-25 | 2019-01-25 | unmanned aerial vehicle parachute control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138942.4U CN209795841U (en) | 2019-01-25 | 2019-01-25 | unmanned aerial vehicle parachute control system |
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| CN209795841U true CN209795841U (en) | 2019-12-17 |
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| CN201920138942.4U Active CN209795841U (en) | 2019-01-25 | 2019-01-25 | unmanned aerial vehicle parachute control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284709A (en) * | 2020-03-06 | 2020-06-16 | 东莞火萤科技有限公司 | Forward umbrella spraying method, spraying device and aircraft |
| CN113320704A (en) * | 2021-04-26 | 2021-08-31 | 中电科芜湖通用航空产业技术研究院有限公司 | Unmanned aerial vehicle, control method of emergency parachute of unmanned aerial vehicle, electronic device and storage medium |
| CN113485428A (en) * | 2021-07-23 | 2021-10-08 | 中国科学院地理科学与资源研究所 | Unmanned aerial vehicle flight route management system, method and storage medium |
-
2019
- 2019-01-25 CN CN201920138942.4U patent/CN209795841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284709A (en) * | 2020-03-06 | 2020-06-16 | 东莞火萤科技有限公司 | Forward umbrella spraying method, spraying device and aircraft |
| CN113320704A (en) * | 2021-04-26 | 2021-08-31 | 中电科芜湖通用航空产业技术研究院有限公司 | Unmanned aerial vehicle, control method of emergency parachute of unmanned aerial vehicle, electronic device and storage medium |
| CN113485428A (en) * | 2021-07-23 | 2021-10-08 | 中国科学院地理科学与资源研究所 | Unmanned aerial vehicle flight route management system, method and storage medium |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A UAV parachute control system Effective date of registration: 20220810 Granted publication date: 20191217 Pledgee: Bank of China Limited Guangzhou Pearl River Branch Pledgor: GUANGDONG EAGLEVIEW INFORMATION TECHNOLOGY CO.,LTD. Registration number: Y2022980012321 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |