CN107388891A - A kind of UAV system fire extinguishing bullet launching device - Google Patents
A kind of UAV system fire extinguishing bullet launching device Download PDFInfo
- Publication number
- CN107388891A CN107388891A CN201710236164.8A CN201710236164A CN107388891A CN 107388891 A CN107388891 A CN 107388891A CN 201710236164 A CN201710236164 A CN 201710236164A CN 107388891 A CN107388891 A CN 107388891A
- Authority
- CN
- China
- Prior art keywords
- shell
- electromagnetic lock
- fire extinguisher
- extinguisher bomb
- hole
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention relates to a kind of UAV system fire extinguishing bullet launching device, including launching tube and fire extinguisher bomb, the fire extinguisher bomb is located in launching tube, also include Electromalgnetic locking mechanism and positioning self-lock device, fire extinguisher bomb is provided with circumferentially positioned groove, the Electromalgnetic locking mechanism includes electromagnetic lock shell, electromagnetic lock component and latch, the electromagnetic lock component is arranged in electromagnetic lock shell, electromagnetic lock shell is provided with pin hole, the latch is connected with electromagnetic lock component, and stretch out outside pin hole, end is stretched into hole insertion locating slot through first, positioning self-lock device includes shell, sealing nut, sensor, spring, piston and hoodle, sealing nut is fixedly connected with shell end face, the sensor is arranged in shell, one end of spring offsets with piston, hoodle is arranged at the mounting hole aperture of shell, and stretch into locating slot.Fire extinguisher bomb locking of the present invention is firm, and when unmanned plane adjusts flight attitude, fire extinguisher bomb will not fall, and during release fire extinguisher bomb, can unlock rapidly.
Description
Technical field
The present invention relates to a kind of emitter, especially a kind of UAV system fire extinguishing bullet launching device.
Background technology
With the fast development of social economy, living standards of the people improve constantly, and high-rise building building will progressively substitute more
Floor room turns into the main building of city-building.The development of high-rise building construction reduces floor space, has saved space, simultaneously
Also new requirement is highlighted for security against fire lifesaving system.Although to security against fire in the design, building course in high-rise building
Strict requirements are proposed, but deficiency is still suffered from the ability for tackling urgent accident.
This project is intended putting out a fire to building outside building by unmanned plane loading fire extinguisher bomb, and solving high-rise building can not be effective
The difficulty of conveying extinguishing agent, implement efficient quick extinguishing.
As China's skyscraper quantity and height are constantly soaring, fire-fighting and rescue pressure increasingly increases.By operation principle and
Physics limit influences, and the special type fire control vehicle equipment generally existing car body for more than hundred meters high-rise building external rescues is wide
Greatly, developed area is big, supply and the features such as Support Equipment complexity, thus bring it is many limited by rescue site, rescue and its protect
Barrier equipment " enter and do not go ", " Zhan Bukai ", the application problem of " can't reach ", have impact on the performance of rescue outfit performance.
Using unmanned plane carry fire extinguisher bomb, can maneuverability shuttle between building, coordinate optical aiming system, it is parallel
Launch fire extinguisher bomb, carry high-efficiency fire-extinguishant, it is accurate to put into high-rise building scene on fire, stamp out a fire, be particularly suitable for city complexity
Fire-fighting and rescue under environmental condition, can effectively solve elevating fire truck under the complex environment of city " enter and do not go ", " Zhan Bukai ",
The problems such as " can't reach ", high-rise and super high rise building fire hose will be given to carry out significant change.
Unmanned plane carries fire extinguisher bomb in flame range airflight, and flight attitude needs not stop to adjust, if fire extinguisher bomb is not reinforced
It is fixed, it is more likely that to cause to fall, it is therefore desirable to a kind of simple reliable device for positioning and securing.The device is by can free activity orientation
Self-lock pin determines position of the fire extinguisher bomb in cylinder, and instruction electromagnetic lock fixes fire extinguisher bomb.
The content of the invention
It is an object of the invention to provide a kind of locking of fire extinguisher bomb firmly, when unmanned plane adjusts flight attitude, fire extinguisher bomb
When will not fall, and discharge fire extinguisher bomb, the UAV system fire extinguishing bullet launching device that can unlock rapidly.
In order to achieve the above object, the technical scheme is that：A kind of UAV system fire extinguishing bullet launching device, including hair
Shooting cylinder and fire extinguisher bomb, the fire extinguisher bomb is located in launching tube, in addition to Electromalgnetic locking mechanism and positioning self-lock device, is set on launching tube
Have and radially first stretch into hole and radially second stretch into hole, fire extinguisher bomb is provided with circumferentially positioned groove, and the Electromalgnetic locking mechanism includes electricity
Magnetic padlock shell, electromagnetic lock component and latch, the electromagnetic lock component is arranged in electromagnetic lock shell, and electromagnetic lock shell is provided with
Pin hole, the latch is connected with electromagnetic lock component, and is stretched out outside pin hole, and hole insertion locating slot is stretched into end through first
Interior, positioning self-lock device includes shell, sealing nut, sensor, spring, piston and hoodle, and the shell and second stretches into hole
It is fixedly connected, sealing nut is fixedly connected with shell end face, and the sensor is arranged in shell, one end and the piston phase of spring
Support, the hoodle is arranged at the mounting hole aperture of shell, and is stretched into locating slot.
The electromagnetic lock component includes coil brace, coil, iron core, ring support and coil spring, the coil brace
It is fixedly connected with ring support, the coil winding is on coil brace, the mesopore connection of iron core and coil brace, the coil
Spring is located in ring support, and one end offsets with iron core, and the other end offsets with latch.
The electromagnetic lock component also includes bottom plate, and the bottom plate is fixedly connected in electromagnetic lock shell, and the annular branch
Frame is fixedly connected on bottom plate, and bottom plate is provided with bottom plate hole, and the latch passes through bottom plate hole.
The positioning self-lock device also includes trim ring and cover plate, and the cover plate is fixed in shell, and sensor is arranged on lid
On plate, trim ring is between sealing nut and cover plate.
The positioning self-lock device also includes connecting rod, and the piston is connected by connecting rod with hoodle.
After said structure, before fire extinguisher bomb loads launching tube, the latch of Electromalgnetic locking mechanism be recovered to launching tube inwall with
Outside, the hoodle of positioning self-lock device is reached on the inside of the barrel of launching tube by spring extruding, when fire extinguisher bomb loads from transmitting tube rear end
During launching tube, positioning self-lock device is touched first, and receding returns after hoodle is stressed, and pressure is delivered to positioning self-locking by spring
On the pressure sensor for selling rear end, high level output is produced.When fire extinguisher bomb is passed onwards to assigned position, hoodle can slip into fire extinguishing
The locating slot of bullet, pressure release, sensor recover low level.When sensor output by low level rise to high level be transferred to again it is low
During level, the latch of Electromalgnetic locking mechanism is discharged, inserted in the locating slot of fire extinguisher bomb.Complete the locking task of fire extinguisher bomb.Need
The latch of Electromalgnetic locking mechanism is withdrawn before fire extinguisher bomb transmitting in advance, then starts fire extinguisher bomb engine and is launched.Therefore originally belong to
Fire extinguisher bomb is locked by Electromalgnetic locking mechanism and positioning self-lock device under line, when unmanned plane adjusts flight attitude, fire extinguishing
Bullet will not fall, and during release fire extinguisher bomb, can unlock rapidly.
Brief description of the drawings
Fig. 1 is the full sectional view of the present invention；
Fig. 2 is Electromalgnetic locking mechanism sectional view in Fig. 1；
Fig. 3 is positioning self-lock device sectional view in Fig. 1.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Referring to shown in Fig. 1,2,3, a kind of UAV system fire extinguishing bullet launching device, including launching tube 1 and fire extinguisher bomb 2, it is described
Fire extinguisher bomb 2 is located in launching tube 1, in addition to Electromalgnetic locking mechanism 3 and positioning self-lock device 4, and launching tube 1 is provided with radial direction first and stretched
Enter hole 11 and radially second stretch into hole 12, fire extinguisher bomb 2 is provided with circumferentially positioned groove 21, and the Electromalgnetic locking mechanism 3 includes electromagnetic lock
Shell 31, electromagnetic lock component 32 and latch 33, the electromagnetic lock component 32 is arranged in electromagnetic lock shell 31, and electromagnetic lock shell
31 are provided with pin hole 311, and the latch 33 is connected with electromagnetic lock component 32, and is stretched out outside pin hole 311, and end passes through first
Stretch into hole 11 to insert in locating slot 21, positioning self-lock device 4 includes shell 41, sealing nut 42, sensor 43, spring 44, work
Plug 45 and hoodle 46, the shell 41 stretch into hole 12 with second and are fixedly connected, and sealing nut 42 is fixedly connected with the end face of shell 41,
The sensor 43 is arranged in shell 41, and one end and the piston 45 of spring 44 offset, and the hoodle 46 is arranged on shell 41
At the aperture of mounting hole 411, and stretch into locating slot 21.
Referring to shown in Fig. 1,2, the electromagnetic lock component 32 includes coil brace 321, coil 322, iron core 323, annular branch
Frame 324 and coil spring 325, the coil brace 321 are fixedly connected with ring support 324, and the coil 322 is wound on coil
On support 321, iron core 323 is connected with the mesopore of coil brace 321, and the coil spring 325 is located in ring support 324, and
One end offsets with iron core 323, and the other end offsets with latch 33.When coil 322 is powered, iron core 323 is with dynamic iron core 323 in annular
Stretching motion is done in the hole of support 324 so that latch 33 can be inserted in locating slot 21.
Referring to shown in Fig. 1,2, the electromagnetic lock component 32 also includes bottom plate 326, and the bottom plate 326 is fixedly connected on electromagnetism
Lock in shell 31, and the ring support 324 is fixedly connected on bottom plate 326, bottom plate 326 is provided with bottom plate hole 327, described to insert
Pin 33 passes through bottom plate hole 327.It in order to install ring support 324, can stretch out latch 33.
Referring to shown in Fig. 1,3, the positioning self-lock device 4 also includes trim ring 47 and cover plate 48, and the cover plate 48 is fixed on
In shell 41, sensor 43 is arranged on cover plate 48, and trim ring 47 is between sealing nut 42 and cover plate 48.In order to which can is consolidated
Determine sensor 43 so that sensor 43 can sense the motion of piston 45, and trim ring 47 can be right by sealing nut 42
Cover plate 48 carry out it is spacing, cover plate 48 also have the function that further increase shell 41 in sealing property.
Referring to shown in Fig. 1,3, the positioning self-lock device 4 also includes connecting rod 49, and the piston 45 passes through connecting rod 49 and bullet
Pearl 46 connects.It is plane with the junction of connecting rod 49 in order to which piston 45 is preferably connected with hoodle 46, and on hoodle 46.
Referring to shown in Fig. 1,2,3, the present invention is in use, Electromalgnetic locking mechanism 3 is arranged on launching tube 1, positioning self-locking dress
The shell 41 for putting 4 is stretched into hole 12 installed in the second of launching tube 1.Fire extinguisher bomb 2 is provided with locating slot 21.Fire extinguisher bomb 2 loads hair
During shooting cylinder 1, the hoodle 46 of positioning self-lock device 4 is fallen into the locating slot 21 on fire extinguisher bomb 2, fire extinguisher bomb 2 is locked in defined
Position, to ensure that the latch 33 of Electromalgnetic locking mechanism 3 can be inserted accurately in locating slot 21.
Before fire extinguisher bomb 2 loads launching tube 1, controller provides electric current by lead to coil 322, and generation is more than coil spring
The electromagnetic force of 325 pressure, the latch 33 of Electromalgnetic locking mechanism 3 is recovered in launching tube 1, the hoodle 46 of positioning self-lock device 4 by
Spring 44 is extruded on the inside of the barrel for reaching launching tube 1, when fire extinguisher bomb 2 loads from the rear end of launching tube 1, touches positioning self-locking first
Device 4, receding returns after hoodle 46 is stressed, after promoting piston 45 to transfer the pressure to positioning self-lock device 4 by connecting rod 49
On the sensor 43 at end, caused high level is output to controller by the lead of sensor 43, when fire extinguisher bomb 2 is in launching tube 1
When being inside passed onwards to assigned position, hoodle 46 can slip into the locating slot 21 of fire extinguisher bomb 2, pressure release, and sensor 43 recovers low electricity
Flat output, when controller receive sensor 43 export high level risen to by low level be transferred to low level signal again when, cut
The open close electric current crossed lead and be supplied to coil 322, cancels electromagnetic force, latch 33 enters fire extinguisher bomb 2 in the pressure underthrust of spring 44
In locating slot 21, the locking task of fire extinguisher bomb 2 is completed.Withdraw the latch 33 of Electromalgnetic locking mechanism 3 in advance before fire extinguisher bomb 2 is launched,
Then engine is started.Fire extinguisher bomb locking of the present invention is firm, and when unmanned plane adjusts flight attitude, fire extinguisher bomb will not fall, and
When discharging fire extinguisher bomb, it can unlock rapidly.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of UAV system fire extinguishing bullet launching device, including launching tube (1) and fire extinguisher bomb (2), the fire extinguisher bomb (2) is positioned at hair
In shooting cylinder (1), it is characterised in that：Also include Electromalgnetic locking mechanism (3) and positioning self-lock device (4), launching tube (1) is provided with radially
First stretches into hole (11) and radially second stretches into hole (12), and fire extinguisher bomb (2) is provided with circumferentially positioned groove (21), the electromagnetic lock dress
Putting (3) includes electromagnetic lock shell (31), electromagnetic lock component (32) and latch (33), and the electromagnetic lock component (32) is arranged on electromagnetism
Lock in shell (31), and electromagnetic lock shell (31) is provided with pin hole (311), the latch (33) connects with electromagnetic lock component (32)
Connect, and stretch out pin hole (311) outside, end is stretched into hole (11) insertion locating slot (21) through first, positioning self-lock device (4)
Including shell (41), sealing nut (42), sensor (43), spring (44), piston (45) and hoodle (46), the shell (41)
Hole (12) is stretched into second to be fixedly connected, sealing nut (42) is fixedly connected with shell (41) end face, sensor (43) peace
In shell (41), one end and the piston (45) of spring (44) offset, and the hoodle (46) is arranged on the installation of shell (41)
At hole (411) aperture, and stretch into locating slot (21).
2. UAV system fire extinguishing bullet launching device according to claim 1, it is characterised in that：The electromagnetic lock component (32)
Including coil brace (321), coil (322), iron core (323), ring support (324) and coil spring (325), the coil branch
Frame (321) is fixedly connected with ring support (324), and the coil (322) is wound on coil brace (321), iron core (323) with
The mesopore connection of coil brace (321), the coil spring (325) is located in ring support (324), and one end and iron core
(323) offset, the other end offsets with latch (33).
3. UAV system fire extinguishing bullet launching device according to claim 2, it is characterised in that：The electromagnetic lock component (32)
Also include bottom plate (326), the bottom plate (326) is fixedly connected in electromagnetic lock shell (31), and the ring support (324) is solid
Surely it is connected on bottom plate (326), bottom plate (326) is provided with bottom plate hole (327), and the latch (33) passes through bottom plate hole (327).
4. UAV system fire extinguishing bullet launching device according to claim 1, it is characterised in that：The positioning self-lock device
(4) trim ring (47) and cover plate (48) are also included, the cover plate (48) is fixed in shell (41), and sensor (43) is arranged on cover plate
(48) on, trim ring (47) is located between sealing nut (42) and cover plate (48).
5. UAV system fire extinguishing bullet launching device according to claim 1, it is characterised in that：The positioning self-lock device
(4) connecting rod (49) is also included, the piston (45) is connected by connecting rod (49) with hoodle (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236164.8A CN107388891B (en) | 2017-04-12 | 2017-04-12 | Unmanned aerial vehicle carries fire extinguishing bomb emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236164.8A CN107388891B (en) | 2017-04-12 | 2017-04-12 | Unmanned aerial vehicle carries fire extinguishing bomb emitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107388891A true CN107388891A (en) | 2017-11-24 |
| CN107388891B CN107388891B (en) | 2023-07-18 |
Family
ID=60337958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710236164.8A Active CN107388891B (en) | 2017-04-12 | 2017-04-12 | Unmanned aerial vehicle carries fire extinguishing bomb emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388891B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177791A (en) * | 2017-12-28 | 2018-06-19 | 陕西中科博亿电子科技有限公司 | Launching tube |
| CN108871063A (en) * | 2018-07-20 | 2018-11-23 | 航天科工仿真技术有限责任公司 | A kind of fixed structure and fire extinguisher bomb launching tube device of fire extinguisher bomb and launching tube |
| CN109125985A (en) * | 2018-09-20 | 2019-01-04 | 张家林 | A kind of floated intelligent extinguishing device based on unmanned plane |
| CN110935117A (en) * | 2018-09-21 | 2020-03-31 | 北京理工伺服科技有限公司 | Quick fire extinguishing bomb distributor |
| CN112774060A (en) * | 2021-02-05 | 2021-05-11 | 魏晶晶 | High-rise building unmanned aerial vehicle fire extinguishing system |
| CN113148215A (en) * | 2021-05-12 | 2021-07-23 | 王泽华 | Cross-medium aircraft ejection system for investigation and use method |
| CN115040806A (en) * | 2022-08-12 | 2022-09-13 | 中北大学 | Airborne fire extinguishing bomb scattering device |
| CN115218721A (en) * | 2022-05-31 | 2022-10-21 | 北京北机机电工业有限责任公司 | Fire extinguishing bomb launching tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09285560A (en) * | 1996-04-24 | 1997-11-04 | Toshi Soken:Kk | Fire extinguishing bullet shooting device |
| CN102451531A (en) * | 2010-10-27 | 2012-05-16 | 林滨 | Intelligent fire extinguishing bomb |
| CN106267637A (en) * | 2016-10-12 | 2017-01-04 | 江苏溧航航空科技有限公司 | UAV system fire extinguisher bomb |
| CN206648522U (en) * | 2017-04-12 | 2017-11-17 | 江苏溧航航空科技有限公司 | A kind of UAV system fire extinguishing bullet launching device |
-
2017
- 2017-04-12 CN CN201710236164.8A patent/CN107388891B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09285560A (en) * | 1996-04-24 | 1997-11-04 | Toshi Soken:Kk | Fire extinguishing bullet shooting device |
| CN102451531A (en) * | 2010-10-27 | 2012-05-16 | 林滨 | Intelligent fire extinguishing bomb |
| CN106267637A (en) * | 2016-10-12 | 2017-01-04 | 江苏溧航航空科技有限公司 | UAV system fire extinguisher bomb |
| CN206648522U (en) * | 2017-04-12 | 2017-11-17 | 江苏溧航航空科技有限公司 | A kind of UAV system fire extinguishing bullet launching device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177791A (en) * | 2017-12-28 | 2018-06-19 | 陕西中科博亿电子科技有限公司 | Launching tube |
| CN108871063A (en) * | 2018-07-20 | 2018-11-23 | 航天科工仿真技术有限责任公司 | A kind of fixed structure and fire extinguisher bomb launching tube device of fire extinguisher bomb and launching tube |
| CN109125985A (en) * | 2018-09-20 | 2019-01-04 | 张家林 | A kind of floated intelligent extinguishing device based on unmanned plane |
| CN109125985B (en) * | 2018-09-20 | 2020-09-11 | 广东云创氢电科技有限公司 | Floated intelligent extinguishing device based on unmanned aerial vehicle |
| CN110935117A (en) * | 2018-09-21 | 2020-03-31 | 北京理工伺服科技有限公司 | Quick fire extinguishing bomb distributor |
| CN110935117B (en) * | 2018-09-21 | 2021-04-27 | 北京理工伺服科技有限公司 | Quick fire extinguishing bomb distributor |
| CN112774060A (en) * | 2021-02-05 | 2021-05-11 | 魏晶晶 | High-rise building unmanned aerial vehicle fire extinguishing system |
| CN113148215A (en) * | 2021-05-12 | 2021-07-23 | 王泽华 | Cross-medium aircraft ejection system for investigation and use method |
| CN115218721A (en) * | 2022-05-31 | 2022-10-21 | 北京北机机电工业有限责任公司 | Fire extinguishing bomb launching tube |
| CN115040806A (en) * | 2022-08-12 | 2022-09-13 | 中北大学 | Airborne fire extinguishing bomb scattering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107388891B (en) | 2023-07-18 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jingwang Inventor after: Gui Jing Inventor before: Chen Jingwang Inventor before: Li Jijun Inventor before: Gui Jing |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213000 No. 8-5 Huashan Road, Xinbei District, Changzhou City, Jiangsu Province Applicant after: JIANGSU LIHANG AVIATION TECHNOLOGY CO.,LTD. Address before: 213000 Dongcheng Mingju Building 801, Tianning District, Changzhou City, Jiangsu Province Applicant before: JIANGSU LIHANG AVIATION TECHNOLOGY CO.,LTD. |
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| GR01 | Patent grant | ||
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