CN115583323A - Autonomous vacuum adsorption emergency safety system of underwater unmanned vehicle - Google Patents
Autonomous vacuum adsorption emergency safety system of underwater unmanned vehicle Download PDFInfo
- Publication number
- CN115583323A CN115583323A CN202211285054.8A CN202211285054A CN115583323A CN 115583323 A CN115583323 A CN 115583323A CN 202211285054 A CN202211285054 A CN 202211285054A CN 115583323 A CN115583323 A CN 115583323A
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- Prior art keywords
- vacuum chamber
- end cover
- sealing end
- load rejection
- pressure gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/22—Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
- B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle, wherein a control module and an emergency battery pack are connected with a fixing plate through an inner hexagon screw and a cushion block; binding the high-pressure gas cylinder on the fixing plate by using a high-pressure gas cylinder fixing band; the high-pressure gas cylinder is connected with the vacuum chamber through a connecting pipeline, an electromagnetic valve is arranged on the connecting pipeline, and the fixed plate is connected with the support flat plate through a bolt; the bottom of the support flat plate is a vacuum chamber, the bottom of the vacuum chamber is connected with a vacuum valve, and the vacuum chamber is vacuumized through the vacuum valve so that the vacuum chamber and the sealing end cover are adsorbed together; the bottom of the sealing end cover is provided with a load rejection counterweight, and the sealing end cover and the load rejection counterweight are connected and fastened by a counterweight inner hexagonal screw 0; the micro spring type safety valve is fixed on the sealing end cover through external threads. The safe and reliable navigation of the underwater vehicle is ensured; the power supply system has the advantages of low power consumption, simple structure, high reliability, low failure rate, strong universality, low cost, convenient maintenance and the like.
Description
Technical Field
The invention relates to the technical field of underwater unmanned vehicles, in particular to an autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle.
Background
The underwater autonomous unmanned vehicle works in a complex marine environment, the emergency safety system of the underwater autonomous unmanned vehicle is a last emergency safety guarantee device of the underwater autonomous unmanned vehicle, when the vehicle breaks down and dives disorderly, the emergency safety system throws out accessory loads of equipment, enough positive buoyancy is provided for the vehicle to enable the vehicle to quickly float out of the water surface, and the vehicle is prevented from being lost or causing greater loss.
The existing emergency load rejection technology is widely applied to electromagnetic drive load rejection and explosive bolt drive load rejection. Due to the influence of the magnetization effect, after a load rejection instruction is sent out, the problem that the magnetized load rejection target and the electromagnet are continuously attracted together and cannot be successfully rejected easily occurs. The explosive bolt driving load rejection is limited by the reasons of high manufacturing cost, large explosive impact, much gas release, unreusable property and the like, and cannot be used in small and medium sized aircrafts in a large range.
Disclosure of Invention
The invention aims to provide an autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle, which aims to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle comprises a control module, an emergency battery pack, a vacuum chamber and a high-pressure gas cylinder, wherein the control module and the emergency battery pack are connected with a fixing plate through hexagon socket head cap screws and cushion blocks; binding the high-pressure gas cylinder on the fixing plate by using a high-pressure gas cylinder fixing band; the high-pressure gas cylinder is connected with the vacuum chamber through a connecting pipeline, an electromagnetic valve is arranged on the connecting pipeline, and the fixed plate is connected with the support flat plate through a bolt; the bottom of the supporting flat plate is a vacuum chamber, the first sealing O-shaped ring and the second sealing O-shaped ring are a pressure-resistant shell, the vacuum chamber and the sealing end cover are sealed, the bottom of the vacuum chamber is connected with a vacuum valve, the vacuum chamber is vacuumized through the vacuum valve, and the vacuum chamber and the sealing end cover are adsorbed together; the bottom of the sealing end cover is provided with a load rejection counterweight, and the sealing end cover and the load rejection counterweight are connected and fastened by a counterweight inner hexagonal screw 0; the micro spring type safety valve is fixed on the sealing end cover through external threads.
When the control module receives the load rejection signal, the emergency battery pack drives the electromagnetic valve, the electromagnetic valve is opened, high-pressure gas in the high-pressure gas cylinder enters the vacuum chamber along the connecting pipeline, and when the pressure inside and outside the vacuum chamber reaches balance, the sealing end cover and the load rejection counterweight fall off by means of self weight to complete a load rejection task; when the active load rejection mechanism fails, when the unmanned aircraft dives to the depth set by the micro spring type safety valve, the micro spring type safety valve is opened, seawater enters the vacuum chamber along the internal passage of the sealing end cover, and when the pressure inside and outside the vacuum chamber reaches balance, the sealing end cover and the load rejection counterweight fall off by means of self weight to complete a load rejection task.
Compared with the prior art, the invention has the following advantages: the autonomous vacuum adsorption emergency safety system of the underwater unmanned vehicle is simple and reliable in design structure, and an active load rejection mode and a passive load rejection mode are adopted to be mutually standby. When the control module receives a load rejection instruction, the electromagnetic valve is controlled to be opened, gas in the high-pressure gas cylinder enters the vacuum chamber, and the load rejection counterweight and the sealing end cover are pushed to fall off after the pressure in the vacuum chamber is greater than the pressure generated by the water depth. When active load rejection control fails, the underwater unmanned aircraft continues to dive to the micro spring type safety valve to set the opening depth, the safety valve is opened, seawater enters the vacuum chamber, the load rejection counter weight and the sealing end cover fall off by means of dead weight, and enough positive buoyancy is provided for the aircraft to enable the aircraft to quickly float out of the water surface. The active mode and the passive mode of the emergency safety system are mutually standby, and the safe and reliable navigation of the underwater vehicle is ensured.
The emergency safety system has the advantages of low power consumption, simple structure, high reliability, low failure rate, strong universality, low cost, convenient maintenance and the like. The system has a wide load range, can meet the use requirements of large, medium and small aircrafts, is simple in structural arrangement mode, and can quickly adjust the system load according to different ocean area conditions. The emergency safety system can integrally improve the safety operation stability of the aircraft, enhance the task capability of complex sea area operation, and has market values of batch production and wide application of technology.
After the emergency safety system receives the load rejection command, the success rate of a single load rejection test is not lower than 98 percent, and the success rate of two simultaneous load rejection tests reaches 100 percent; the structure is fast in expanding design, and loads of different sizes can be carried to meet the use requirements of different aircrafts.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1. the device comprises a pressure-resistant shell, 2, a control module, 3, an emergency battery pack, 4, inner hexagon screws, 5, cushion blocks, 6, a fixing plate, 7, a supporting flat plate, 8, a sealing O-shaped ring I, 9, a vacuum chamber, 10, a counterweight inner hexagon screw, 11, a high-pressure gas cylinder, 12, an electromagnetic valve, 13, a connecting pipeline, 14, a sealing O-shaped ring II, 15, a sealing end cover, 16, a vacuum valve, 17, a micro spring type safety valve, 18, a load rejection counterweight, 19 and a high-pressure gas cylinder fixing belt.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
An autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle comprises a control module 2, an emergency battery pack 3, a vacuum chamber 9 and a high-pressure gas cylinder 11, wherein the control module 2 and the emergency battery pack 3 are connected with a fixing plate 6 through hexagon socket head cap screws 4 and a cushion block 5; the high-pressure gas cylinder 11 is bound on the piece fixing plate 6 by using a high-pressure gas cylinder fixing band 19; the high-pressure gas cylinder 11 is connected with the vacuum chamber 9 through a connecting pipeline 13, the connecting pipeline 13 is provided with an electromagnetic valve 12, and the fixing plate 6 is connected with the support flat plate 7 through bolts; the bottom of the support flat plate 7 is a vacuum chamber 9, the first sealing O-ring 8 and the second sealing O-ring 14 are a pressure-resistant shell 1, the vacuum chamber 9 and a sealing end cover 15 which are sealed, the bottom of the vacuum chamber 9 is connected with a vacuum valve 16, the vacuum chamber 9 is vacuumized through the vacuum valve 16, and the vacuum chamber 9 and the sealing end cover 15 are adsorbed together; the bottom of the sealing end cover 15 is provided with a load rejection counterweight 18, and the sealing end cover 15 and the load rejection counterweight 18 are connected and fastened by a counterweight inner hexagonal screw 10; the micro spring type safety valve 17 is fixed on the sealing end cover 15 through external threads.
When the control module 2 receives the load rejection signal, the emergency battery pack 3 drives the electromagnetic valve 12, the electromagnetic valve is opened, high-pressure gas in the high-pressure gas cylinder 11 enters the vacuum chamber 9 along the connecting pipeline 13, and when the pressure inside and outside the vacuum chamber is balanced, the sealing end cover 15 and the load rejection counterweight 18 fall off by self weight to complete the load rejection task; when the active load rejection mechanism fails, when the unmanned aircraft submerges to the depth set by the micro spring type safety valve 17, the micro spring type safety valve 17 is opened, seawater enters the vacuum chamber 9 along the internal channel of the sealing end cover 15, and when the internal pressure and the external pressure of the vacuum chamber 9 reach balance, the sealing end cover 15 and the load rejection counterweight 18 fall off by means of self weight to complete a load rejection task.
After the single body of the emergency safety system is debugged, the positive constant pressure of the micro spring type safety valve 17 is set, air in the vacuum chamber is exhausted through the vacuum valve 16, the load rejection counterweight 18 is fixed with the vacuum chamber through the counterweight inner hexagon screw 10, the emergency safety system is hoisted to the installation section through the top hoisting hole, and the flange outside the vacuum chamber is fixed on an underwater vehicle through bolts.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (2)
1. An autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle is characterized by comprising a control module, an emergency battery pack, a vacuum chamber and a high-pressure gas cylinder, wherein the control module and the emergency battery pack are connected with a fixing plate through hexagon socket head cap screws and cushion blocks; the high-pressure gas cylinder is bound on the fixing plate by the high-pressure gas cylinder fixing belt; the high-pressure gas cylinder is connected with the vacuum chamber through a connecting pipeline, an electromagnetic valve is arranged on the connecting pipeline, and the fixed plate is connected with the support flat plate through a bolt; the bottom of the supporting flat plate is a vacuum chamber, the first sealing O-shaped ring and the second sealing O-shaped ring are a pressure-resistant shell, the vacuum chamber and the sealing end cover are sealed, the bottom of the vacuum chamber is connected with a vacuum valve, the vacuum chamber is vacuumized through the vacuum valve, and the vacuum chamber and the sealing end cover are adsorbed together; the bottom of the sealing end cover is provided with a load rejection counterweight, and the sealing end cover and the load rejection counterweight are connected and fastened by a counterweight inner hexagonal screw 0; the micro spring type safety valve is fixed on the sealing end cover through external threads.
2. The autonomous vacuum adsorption emergency safety system of an underwater unmanned vehicle, according to claim, characterized in that after the control module receives the load rejection signal, the emergency battery pack drives the solenoid valve, the solenoid valve is opened, the high-pressure gas in the high-pressure gas cylinder enters the vacuum chamber along the connecting pipeline, when the pressure inside and outside the vacuum chamber reaches balance, the sealing end cover and the load rejection counterweight fall off by self weight, and the load rejection task is completed; when the active load rejection mechanism fails, when the unmanned aircraft submerges to the depth set by the micro spring type safety valve, the micro spring type safety valve is opened, seawater enters the vacuum chamber along the internal channel of the sealing end cover, and when the pressure inside and outside the vacuum chamber reaches balance, the sealing end cover and the load rejection counterweight fall off by means of self weight to complete the load rejection task.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285054.8A CN115583323A (en) | 2022-10-20 | 2022-10-20 | Autonomous vacuum adsorption emergency safety system of underwater unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285054.8A CN115583323A (en) | 2022-10-20 | 2022-10-20 | Autonomous vacuum adsorption emergency safety system of underwater unmanned vehicle |
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| CN115583323A true CN115583323A (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211285054.8A Pending CN115583323A (en) | 2022-10-20 | 2022-10-20 | Autonomous vacuum adsorption emergency safety system of underwater unmanned vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115811553A (en) * | 2023-01-13 | 2023-03-17 | 江苏憬知梦蓝科技有限公司 | Submerged type data acquisition device based on underwater acoustic communication |
-
2022
- 2022-10-20 CN CN202211285054.8A patent/CN115583323A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115811553A (en) * | 2023-01-13 | 2023-03-17 | 江苏憬知梦蓝科技有限公司 | Submerged type data acquisition device based on underwater acoustic communication |
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