CN114313264A - Unmanned aerial vehicle device for eliminating thunder through manual intervention - Google Patents
Unmanned aerial vehicle device for eliminating thunder through manual intervention Download PDFInfo
- Publication number
- CN114313264A CN114313264A CN202111670049.4A CN202111670049A CN114313264A CN 114313264 A CN114313264 A CN 114313264A CN 202111670049 A CN202111670049 A CN 202111670049A CN 114313264 A CN114313264 A CN 114313264A
- Authority
- CN
- China
- Prior art keywords
- aerial vehicle
- unmanned aerial
- lightning
- metal powder
- power
- 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
Images
Abstract
The invention discloses an unmanned aerial vehicle device for eliminating lightning through manual intervention, and relates to the technical field of lightning protection. The device comprises an unmanned aerial vehicle, a carbon metal powder foil ejector, a laser lightning arrester, a high-voltage ionization generator and an electronic interference unit; the invention sprays the carbon metal powder foil with charges under the matching of the high-voltage ionization generator and the carbon metal powder foil ejector, and forms an ionization channel between the rain-accumulating cloud clusters, thereby realizing the manual intervention to trigger flashover between the cloud clusters and in the cloud clusters, reducing and eliminating the discharge of the thunderstorm cloud clusters to ground buildings, personnel, equipment, facilities and the like, and reducing the lightning stroke disasters of direct lightning stroke.
Description
Technical Field
The invention relates to the technical field of lightning protection, in particular to an unmanned aerial vehicle device for eliminating lightning through manual intervention.
Background
Thunder is one of the main disasters of nature, lightning disasters bring disasters of tragic disasters to industrial and agricultural production and national defense construction, and cause huge loss, lightning flashover generally has three expression modes, namely cloud-to-ground flashover, cloud-to-cloud flashover and cloud-to-cloud flashover, people generally refer to the cloud with the lightning as thundercloud, laminated cloud, raincloud, accumulated cloud and accumulated cloud related to the lightning, most importantly, in the formation process of the accumulated cloud and the accumulated cloud, under the simultaneous action of an atmospheric electric field and a temperature difference electrification effect and a crushing electrification effect, positive and negative charges are respectively accumulated at different parts of the cloud. When the charge is accumulated to a certain degree, discharge can occur between clouds, inside clouds, or between clouds and the ground, namely lightning which is often called;
the problem to be solved at present is how to reduce and eliminate the discharge of thundercloud clusters to ground buildings, personnel, equipment, facilities and the like to reduce the lightning stroke disasters of direct lightning when thunderclouds are formed, so that the invention provides the unmanned aerial vehicle device for eliminating the lightning through manual intervention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the lightning-interference-elimination unmanned aerial vehicle device, and solves the problems.
In order to achieve the above object, the present invention is implemented by a first technical solution:
the lightning-interference-eliminating unmanned aerial vehicle device comprises an unmanned aerial vehicle; the device also comprises a carbon metal powder foil ejector, a laser lightning arrester, a high-voltage ionization generator and an electronic interference unit which are arranged on the unmanned aerial vehicle;
the carbon metal powder foil injector comprises a power bin and a mixing bin communicated with the output end of the power bin, the outlet end of the mixing bin is connected with an injection nozzle, the outer side surface of the mixing bin is communicated with a communicating pipe, and the outer surface of the carbon metal powder foil injector is further provided with a mounting seat.
As a further technical scheme of the invention, a carbon powder storage tank is also arranged in the unmanned aerial vehicle and is connected with the mixing bin through a communicating pipe, a power fan is arranged in the power bin, and the carbon metal powder foil injector is connected with the unmanned aerial vehicle through a mounting seat.
As a further technical scheme of the invention, the unmanned aerial vehicle is a fixed-wing unmanned aerial vehicle, and the fixed-wing unmanned aerial vehicle comprises a body, an engine compartment, an oil tank and a control compartment are sequentially distributed on the body from front to back, a propeller is arranged at the front end of the body, a monitor is arranged on the front side of the lower surface of the body below the engine compartment, two undercarriage are distributed on the lower end of the body below the engine compartment, and a first wing and a second wing are correspondingly arranged on two sides of the front end of the body.
As a further technical scheme of the invention, the carbon metal powder foil injector and the laser lightning arrester are arranged on the lower surface of the first wing in parallel, and the high-voltage ionization generator and the electronic interference unit are arranged on the lower surface of the second wing in parallel.
As a further technical scheme of the invention, a remote controller, a signal transceiver, a wireless communication module and a power supply are arranged in the control cabin, and the output end of the remote controller is connected with the input ends of a monitor, a high-voltage ionization generator, a carbon metal powder foil ejector, an electronic interference unit and a laser lightning arrester.
As a further technical scheme, a parachute cabin is further arranged on the machine body, a parachute is arranged in the parachute cabin, and the top of the machine body is connected with a power-assisted hydrogen balloon through a power-assisted balloon separation mechanism.
In order to achieve the above object, the present invention is implemented by a second technical solution:
the lightning-interference-eliminating unmanned aerial vehicle device comprises an unmanned aerial vehicle; the device also comprises a carbon metal powder foil ejector, a laser lightning arrester, a high-voltage ionization generator and an electronic interference unit which are arranged on the unmanned aerial vehicle;
the carbon metal powder foil injector comprises a power bin and a mixing bin communicated with the output end of the power bin, the outlet end of the mixing bin is connected with an injection nozzle, the outer side surface of the mixing bin is communicated with a communicating pipe, and the outer surface of the carbon metal powder foil injector is further provided with a mounting seat.
As a further technical scheme of the invention, a carbon powder storage tank is also arranged in the unmanned aerial vehicle and is connected with the mixing bin through a communicating pipe, and a power fan is arranged in the power bin
As a further technical scheme of the invention, the unmanned aerial vehicle is a multi-rotor unmanned aerial vehicle, and the multi-rotor unmanned aerial vehicle comprises a machine body, and a controller and a power supply which are arranged in the machine body, wherein a camera is arranged on the front side of the lower surface of the machine body, the carbon metal powder foil injector and the high-voltage ionization generator are respectively arranged on two sides of the bottom of the machine body, the electronic interference unit and the laser lightning arrester are arranged in parallel at the center of the bottom of the machine body, a parachute cabin is arranged at the top of the machine body, and a parachute is arranged in the parachute cabin.
As a further technical scheme of the invention, the top of the machine body is connected with a boosting hydrogen balloon through a boosting balloon disengaging mechanism.
Advantageous effects
The invention provides an unmanned aerial vehicle device for eliminating lightning through manual intervention. Compared with the prior art, the method has the following beneficial effects: the invention is based on an unmanned aerial vehicle loaded with a high-voltage ionization generator device, flies to the high altitude with accumulated rain and clouds to start the high-voltage ionization generator, sprays carbon powder with charges, and starts a laser arrester to eliminate the thunder. The designed unmanned aerial vehicle device for eliminating thunder and lightning through manual intervention can adopt two different flight platform configurations such as a fixed wing aircraft and a multi-rotor aircraft according to different purposes, moving radiuses, flight heights and takeoff weights, in addition, the device sprays carbon, metal powder and foil mixed powder with charges under the matching of a high-voltage ionization generator and a carbon metal powder foil ejector to form an ionization channel between rain-accumulating cloud clusters so as to realize the flashover between the cloud clusters and in the cloud clusters through manual intervention, thereby reducing and eliminating the discharge of the rain-accumulating cloud clusters to ground buildings, personnel, equipment, facilities and the like, further reducing the thunderbolt disasters of direct lightning, adopting a laser arrester to eliminate the thunderbolt charges, reducing the thunder energy, actively intervening the formation of the thunder and lightning and achieving the effect of active lightning protection, and simultaneously actively ionizing or puncturing the thunder charges before the thunderbolt, the electric energy in the thundercloud is discharged, and the discharged electric energy before the lightning stroke is generated is smaller than the electric energy generated when the lightning stroke is generated, so that the lightning protection safety is more facilitated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a lightning unmanned aerial vehicle device for artificial intervention elimination;
FIG. 2 is a schematic diagram of a carbon powder foil jet in a lightning unmanned aircraft installation for manual intervention elimination;
FIG. 3 is a system schematic diagram of an embodiment 1 of a manually intervened lightning arresting unmanned aerial vehicle device.
FIG. 4 is a schematic structural diagram of an embodiment 2 of a lightning unmanned aerial vehicle device for artificial intervention elimination;
FIG. 5 is a system schematic diagram of an embodiment 2 of a manually intervened lightning arresting unmanned aerial vehicle device.
In the figure: 1. a body; 2. a control cabin; 3. an oil tank; 4. an engine compartment; 5. a carbon metal powder foil injector; 6. a first airfoil; 7. a second airfoil; 8. a high voltage ionization generator; 9. a landing gear; 10. a monitor; 11. a propeller; 12. an electronic jammer; 13. a laser lightning arrester; 51. a power bin; 52. a mixing bin; 53. a spray nozzle; 54. a communicating pipe; 55. a mounting seat; 21. a body; 22. a camera; 23. a parachute cabin; 24. a booster balloon release mechanism.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: the lightning-interference-eliminating unmanned aerial vehicle device comprises a fixed-wing unmanned aerial vehicle; the device also comprises a carbon metal powder foil ejector 5, a laser lightning arrester 13, a high-voltage ionization generator 8 and an electronic interference unit 12 which are arranged on the fixed-wing unmanned aerial vehicle;
the fixed wing unmanned aerial vehicle comprises a body 1, an engine cabin 4, an oil tank 3 and a control cabin 2 are sequentially distributed on the body 1 from front to back, a propeller 11 is arranged at the front end part of the body 1, a monitor 10 is arranged on the front side of the lower surface of the body 1 and below the engine cabin 4, two landing gears 9 are distributed at the lower end of the body 1 and below the engine cabin 4, a first wing 6 and a second wing 7 are correspondingly arranged on two sides of the front end of the body 1, a carbon metal powder foil ejector 5 and a laser lightning arrester 13 are arranged on the lower surface of the first wing 6 in parallel, and a high-pressure ionization generator 8 and an electronic interference unit 12 are arranged on the lower surface of the second wing 7 in parallel; a remote controller, a signal transceiver, a wireless communication module and a power supply are arranged in the control cabin 2, and the output end of the remote controller is connected with the input ends of the monitor 10, the high-voltage ionization generator 8, the carbon metal powder foil injector 5, the electronic interference unit 12 and the laser lightning arrester 13;
the carbon metal powder foil injector 5 comprises a power bin 51 and a mixing bin 52 communicated with the output end of the power bin 51, the outlet end of the mixing bin 52 is connected with an injection nozzle 53, the outer side surface of the mixing bin 52 is communicated with a communicating pipe 54, the communicating pipe 54 is provided with an electromagnetic valve, the outer surface of the carbon metal powder foil injector 5 is also provided with a mounting seat 55, a carbon powder storage tank is also arranged in the fixed wing unmanned aerial vehicle and is connected with the mixing bin 52 through the communicating pipe 54, a power fan is arranged in the power bin 51, the carbon metal powder foil injector 5 is connected with the unmanned aerial vehicle through the mounting seat 55, the electromagnetic valve is opened by controlling the power fan in the power bin 51 to work, carbon, metal powder and foil mixed powder in the carbon powder storage tank are conveyed into the mixing bin 52, and the carbon, metal powder and foil mixed powder are injected from the injection nozzle 53 under the action of the power fan, the principle of powder spraying of the carbon metal powder foil injector 5 is consistent with that of the existing powder injectors.
In addition, an autopilot, a flight computer and a navigation system are also arranged in the control cabin 2 of the fixed-wing unmanned aerial vehicle, the navigation system comprises a GPS positioning module and a radio tracking measurement system, wherein a remote controller, a signal transceiver and a wireless communication module are flight control management systems, and the fixed-wing unmanned aerial vehicle can be remotely connected with remote control equipment, such as a handheld remote controller or background remote control equipment;
example 2
Referring to fig. 2 and 4, the present invention provides the following technical solutions: the lightning-interference-eliminating unmanned aerial vehicle device comprises a multi-rotor unmanned aerial vehicle; the unmanned aerial vehicle also comprises a carbon metal powder foil ejector 5, a laser lightning arrester 13, a high-voltage ionization generator 8 and an electronic interference unit 12 which are arranged on the multi-rotor unmanned aerial vehicle;
the carbon metal powder foil injector 5 comprises a power bin 51 and a mixing bin 52 communicated with the output end of the power bin 51, the outlet end of the mixing bin 52 is connected with an injection nozzle 53, the outer side surface of the mixing bin 52 is communicated with a communicating pipe 54, the communicating pipe 54 is provided with an electromagnetic valve, the outer surface of the carbon metal powder foil injector 5 is also provided with a mounting seat 55, a carbon metal powder foil storage tank is also arranged inside the multi-rotor unmanned aerial vehicle, the carbon metal powder foil storage tank is connected with the mixing bin 52 through the communicating pipe 54, and a power fan is arranged inside the power bin 51;
the multi-rotor unmanned aerial vehicle comprises a machine body 21, and a controller and a power supply which are arranged in the machine body 21, wherein a camera 22 is arranged on the front side of the lower surface of the machine body 21, the difference from embodiment 1 is that a carbon metal powder foil ejector 5 and a high-voltage ionization generator 8 are respectively arranged on two sides of the bottom of the machine body 21, an electronic jammer 12 and a laser lightning arrester 13 are arranged at the center of the bottom of the machine body 21 in parallel, a parachute bin is further arranged at the top of the machine body 21, a parachute 23 is arranged in the parachute bin, and the parachute 23 is designed to prevent the parachute 23 from being opened when the unmanned aerial vehicle fails or falls accidentally, so that the flying device can be prevented from accidentally falling down to cause damage;
in addition, an autopilot, a flight computer, a navigation system, a remote controller, a signal transceiver and a wireless communication module are also arranged in the body 21 of the multi-rotor unmanned aerial vehicle, and the multi-rotor unmanned aerial vehicle can be remotely connected with remote control equipment;
in addition, the boosting hydrogen balloon can be hung externally at the top of the body 21 of the multi-rotor unmanned aerial vehicle through the boosting balloon disengaging mechanism 24. During taking off, the hydrogen balloon can be lifted for a certain height, when the hydrogen balloon is lifted to a certain height, the propeller 11 is started to continuously lift, and then the assisting balloon separation mechanism 24 is disconnected with the assisting hydrogen balloon, so that the battery power is saved, and the cost is saved. The assisting balloon disengaging mechanism 24 is an annular opening and closing mechanism which can be driven by an electromagnet or a micro motor, belongs to the known technology and is not detailed herein;
in conclusion, when the aircraft device is used, the electronic interference unit 12 is started through remote control or self-driving, so that the unmanned aerial vehicle is prevented from being interfered by lightning in flight, the unmanned aerial vehicle flies to the high altitude of rain-accumulated clouds, then the high-voltage ionization generator 8 and the carbon metal powder foil ejector 5 are started, carbon powder with charges is sprayed under the matching of the high-voltage ionization generator and the carbon metal powder foil ejector, an ionization channel is formed between the rain-accumulated clouds, and flashover is caused between the clouds through manual intervention, so that the discharge of the rain-accumulated clouds to ground buildings, personnel, equipment, facilities and the like is reduced and eliminated, and the lightning disasters of direct lightning are reduced;
meanwhile, the laser lightning arrester 13 is started, so that the laser lightning arrester 13 generates energy by emitting high-power femtosecond laser pulses and focusing, the breakdown voltage is reduced, breakdown occurs under the condition that positive and negative charges in thundercloud are lower than the static breakdown voltage, the lightning charges are eliminated, the lightning energy is reduced, the formation of lightning is actively interfered, and meanwhile, redundant lightning current is guided to be discharged to the ground through a laser ionization channel, so that the active lightning protection effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The lightning-interference-elimination unmanned aerial vehicle device is characterized by comprising an unmanned aerial vehicle;
the device also comprises a carbon metal powder foil ejector (5), a laser lightning arrester (13), a high-voltage ionization generator (8) and an electronic interference unit (12) which are arranged on the unmanned aerial vehicle;
the carbon metal powder foil ejector (5) comprises a power bin (51) and a mixing bin (52) communicated with the output end of the power bin (51), the outlet end of the mixing bin (52) is connected with an ejection nozzle (53), the outer side surface of the mixing bin (52) is communicated with a communicating pipe (54), and the outer surface of the carbon metal powder foil ejector (5) is further provided with a mounting seat (55).
2. The device for eliminating the thunder and lightning unmanned aerial vehicle through manual intervention according to claim 1, wherein a carbon powder storage tank is further arranged inside the unmanned aerial vehicle and connected with a mixing bin (52) through a communicating pipe (54), a power fan is arranged inside the power bin (51), and the carbon metal powder foil injector (5) is connected with the unmanned aerial vehicle through a mounting seat (55).
3. The device for eliminating the thunder and lightning unmanned aerial vehicle through manual intervention according to claim 1, wherein the unmanned aerial vehicle is a fixed-wing unmanned aerial vehicle, the fixed-wing unmanned aerial vehicle comprises a body (1), an engine cabin (4), an oil tank (3) and a control cabin (2) are sequentially distributed on the body (1) from front to back, a propeller (11) is arranged at the front end of the body (1), a monitor (10) is arranged below the engine cabin (4) on the front side of the lower surface of the body (1), two landing gears (9) are distributed below the engine cabin (4) at the lower end of the body (1), and a first wing (6) and a second wing (7) are correspondingly arranged on two sides of the front end of the body (1).
4. The device of claim 3, wherein the carbon metal powder foil injector (5) and the laser arrester (13) are juxtaposed on a lower surface of the first wing (6), and the high-voltage ionization generator (8) and the electronic disruptor (12) are juxtaposed on a lower surface of the second wing (7).
5. The device according to claim 3, characterized in that the interior of the control cabin (2) is provided with a remote controller, a signal transceiver, a wireless communication module and a power supply, the output of the remote controller is connected with the input of the monitor (10), the high-voltage ionization generator (8), the carbon metal powder foil injector (5), the electronic interference unit (12) and the laser lightning arrester (13).
6. The device for eliminating the thunder and lightning unmanned aerial vehicle through manual intervention according to claim 3, wherein a parachute cabin (23) is further arranged on the machine body (1), and a parachute is arranged in the parachute cabin (23); the top of the machine body (1) is connected with a power-assisted hydrogen balloon through a power-assisted balloon disengaging mechanism (24).
7. The device of claim 1, wherein the unmanned aerial vehicle is a multi-rotor unmanned aerial vehicle, the multi-rotor unmanned aerial vehicle comprises a body (21), a controller and a power supply, the controller and the power supply are arranged in the body (21), the front side of the lower surface of the body (21) is provided with a camera (22), the carbon metal powder foil injectors (5) and the high-voltage ionization generators (8) are respectively installed on two sides of the bottom of the body (21), and the electronic jammers (12) and the laser lightning arresters (13) are installed in parallel at the center of the bottom of the body (21).
8. The device for eliminating the thunder and lightning unmanned aerial vehicle through manual intervention according to claim 7, wherein a parachute cabin (23) is arranged on the machine body (21), and a parachute is arranged in the parachute cabin (23); the top of the machine body (21) is connected with a power-assisted hydrogen balloon through a power-assisted balloon separation mechanism (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670049.4A CN114313264A (en) | 2021-12-31 | 2021-12-31 | Unmanned aerial vehicle device for eliminating thunder through manual intervention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670049.4A CN114313264A (en) | 2021-12-31 | 2021-12-31 | Unmanned aerial vehicle device for eliminating thunder through manual intervention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114313264A true CN114313264A (en) | 2022-04-12 |
Family
ID=81021013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111670049.4A Pending CN114313264A (en) | 2021-12-31 | 2021-12-31 | Unmanned aerial vehicle device for eliminating thunder through manual intervention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114313264A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693411A (en) * | 2022-11-16 | 2023-02-03 | 中国科学技术大学 | Artificial lightning attracting system based on unmanned aerial vehicle platform and lightning attracting method thereof |
| CN116027723A (en) * | 2023-03-30 | 2023-04-28 | 江苏苏启智能科技有限公司 | Stable fuselage power operation system of four-rotor-wing vertical take-off and landing unmanned aerial vehicle |
-
2021
- 2021-12-31 CN CN202111670049.4A patent/CN114313264A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693411A (en) * | 2022-11-16 | 2023-02-03 | 中国科学技术大学 | Artificial lightning attracting system based on unmanned aerial vehicle platform and lightning attracting method thereof |
| CN116027723A (en) * | 2023-03-30 | 2023-04-28 | 江苏苏启智能科技有限公司 | Stable fuselage power operation system of four-rotor-wing vertical take-off and landing unmanned aerial vehicle |
| CN116027723B (en) * | 2023-03-30 | 2023-06-27 | 江苏苏启智能科技有限公司 | Stable fuselage power operation system of four-rotor-wing vertical take-off and landing unmanned aerial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114313264A (en) | Unmanned aerial vehicle device for eliminating thunder through manual intervention | |
| US8757551B2 (en) | Foreign object damage protection device and system for aircraft | |
| US10314249B2 (en) | Systems and methods of inducing rainfall | |
| CN204210732U (en) | A kind of four rotor wing unmanned aerial vehicles for removing the flammable foreign matter in high-altitude | |
| CN205390157U (en) | Drive bird unmanned aerial vehicle | |
| CN102910288B (en) | Multi-purpose flexible ram air parachute UAS | |
| CN216581013U (en) | Unmanned aerial vehicle device for eliminating thunder and lightning through manual intervention | |
| CN102520727B (en) | Reconnaissance system with unmanned plane | |
| CN105961051A (en) | Aerial spraying method and device for cotton defoliating agent | |
| CN110065634A (en) | Unmanned flight robot based on the cold power-assisted transmitting of compressed gas | |
| CN204096094U (en) | A kind of fixed-wing aerial survey unmanned plane of improvement | |
| CN110979706B (en) | Dual-voltage helicopter power supply system | |
| CN202879795U (en) | Multipurpose unmanned plane with flexible ram-type parawings | |
| EP2737795B1 (en) | Aircraft bird strike prevention | |
| CN205812904U (en) | A kind of aviation sprayer apparatus of cotton defoliant | |
| CN107176301A (en) | Fixed-wing fuel cell plant protection unmanned plane | |
| CN202453736U (en) | Unmanned aerial vehicle reconnaissance system | |
| CN210126641U (en) | Atomizing plant protection unmanned aerial vehicle | |
| CN109204844B (en) | Near space unmanned aerial vehicle power system and hybrid power method | |
| CN204250361U (en) | Aircraft slow descending device | |
| JP2019182379A (en) | Smoke ejecting device for multicopter-type unmanned aircraft | |
| CN210124248U (en) | Automatic starting and fire shutting system of mist plant protection unmanned aerial vehicle | |
| CN103754365A (en) | Butterfly-shaped aircraft power source adopting laser and electronic injection | |
| RU2557857C1 (en) | Robotic aircraft for monitoring of fire areas and manmade disasters | |
| CN214071403U (en) | Intelligent solar bird repellent spraying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |