CN115123511B - Small-sized hybrid power self-control conversion device of unmanned ship - Google Patents

Small-sized hybrid power self-control conversion device of unmanned ship Download PDF

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Publication number
CN115123511B
CN115123511B CN202210765638.9A CN202210765638A CN115123511B CN 115123511 B CN115123511 B CN 115123511B CN 202210765638 A CN202210765638 A CN 202210765638A CN 115123511 B CN115123511 B CN 115123511B
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China
Prior art keywords
water quality
quality detection
gear
ship body
ship
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CN202210765638.9A
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Chinese (zh)
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CN115123511A (en
Inventor
王峰
孔俊涛
杨洪
李欢钊
陈军硕
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Suzhou Vocational University
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Suzhou Vocational University
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Priority to CN202210765638.9A priority Critical patent/CN115123511B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/20Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/006Unmanned surface vessels, e.g. remotely controlled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/20Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
    • B63H2021/202Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units of hybrid electric type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The application discloses a small-sized hybrid power self-control conversion device of an unmanned ship, which particularly relates to the field of power self-control conversion devices, and comprises a ship body, wherein a sensing system component is arranged at the top end of the ship body and comprises a positioning navigation system, an external environment sensing system and a platform state sensing system, two sides of the ship body are provided with two worms in a penetrating manner, the surfaces of head surfaces of two ends of the two worms, which are positioned outside the ship body, are fixedly inserted with a plurality of groups of fan blades, and the inner wall of the ship body is provided with two groups of auxiliary machine boxes, and the technical key points are that: two groups of worms are inserted into the outer wall of the ship body, a plurality of groups of fan blades are fixedly sleeved at the two ends of each worm, the fan blades are driven to rotate through water flow, the screw rod is driven to rotate for generating electricity, meanwhile, a first gear and a second gear are inserted into the inner wall of the ship body, the rotation speed of the screw rod is enhanced through the meshing ratio of the first gear and the second gear, and the electricity generation current of the generator is increased.

Description

Small-sized hybrid power self-control conversion device of unmanned ship
Technical Field
The application relates to the technical field of power self-control conversion devices, in particular to a small hybrid power self-control conversion device of an unmanned ship.
Background
The unmanned ship has the advantages of low draft and capability of executing tasks which cannot be executed by many unmanned ships; no crew is on the ship, so the safety is higher; the operability and the accumulation performance are better, and the method is mainly used for scientific research, environmental monitoring and military use. The unmanned ship has mainly one-piece ship, two-piece ship and three-piece ship. The propulsion mode mainly comprises propeller rudder blades, water spraying and a motor. Remote control is performed based on the ground station. Communication is based on the antenna. Based on the navigation radar, the laser radar and the camera, the water surface or water bottom condition is observed, the ship position is determined through the front sonar and the side-scan sonar and the GPS module, and the ship course is determined based on the compass.
The unmanned ship is used for detecting a series of scientific activities such as water quality, but the unmanned ship cannot determine the power consumption condition of the ship body because of unmanned carrying, so that the external supplementary power supply is not needed, the unmanned ship needs to go deep into the water bottom for a certain depth by utilizing water quality detection, and a series of accidents such as reef touch and ship turning can occur in the navigation of the unmanned ship due to the water quality detection at the bottom of a certain length.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the application provides a small hybrid power self-control conversion device of an unmanned ship, which is characterized in that two groups of worms are inserted into the outer wall of a ship body, a plurality of groups of fan blades are fixedly sleeved at the head of each of the two ends of each worm, the fan blades are driven to rotate by water flow to drive each of the fan blades to rotate so as to drive each of the fan blades to generate electricity, meanwhile, a first gear and a second gear are inserted into the inner wall of the ship body, the rotation speed of each of the fan blades is increased by the meshing ratio of the first gear and the second gear, and the electricity generation current of a generator is increased, so that the problems in the background art are solved.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a small-size hybrid automatic control conversion equipment of unmanned ship, includes the hull, the top of hull is provided with perception system subassembly, perception system subassembly is including location navigation system, external environment perception system and platform state perception system, and perception system subassembly provides necessary data source and hardware for unmanned ship's motion decision and control, two worms are installed to both sides of hull run through, the both ends pole head surface that the worm is located the hull outside all fixed cartridge has multiunit flabellum, multiunit be the annular evenly distributed setting between the flabellum, two sets of auxiliary machine casees of inner wall installation of hull, auxiliary machine incasement installs the generator, the output electric connection of generator has the lead screw;
the inner wall rotation of hull is connected with first gear and second gear, and the center department of first gear and second gear all fixed cartridge has the axis body that is used for rotatory, first gear and second gear are the meshing and connect the setting, be provided with first belt between first gear and the worm, the one end of first belt cup joints on the worm surface, the axis body surface at first gear is cup jointed to the other end of first belt, be provided with the second belt between second gear and the lead screw, the one end of second belt cup joints on second gear shaft body surface, the other end of second belt cup joints on the lead screw surface.
In a preferred embodiment, the surface of the rod body, which is positioned in the ship body, of the worm is rotatably connected with a rotating box, the surface of the rod body, which is positioned in the rotating box, of the worm is fixedly connected with a plurality of groups of turbines, and the plurality of groups of turbines are uniformly and symmetrically distributed about the horizontal center line of the rotating box.
In a preferred embodiment, the bottom end of the hull is fixedly provided with a water pumping port, one side of the hull is fixedly connected with a water outlet, a water flow pipeline is arranged between the water outlet and the water pumping port, one end of the water flow pipeline is fixedly communicated with the water outlet, and the other end of the water flow pipeline penetrating through the rotary box is connected with an air extraction box.
In a preferred embodiment, the suction box is fixed on the inner wall of the ship body, the suction box and the water outlet are arranged in a communicated state, a suction pump is installed in the bottom end of the suction box, and the suction pump is in an electrical connection relation with the sensing system component.
In a preferred embodiment, the bottom of hull installs split type water quality detection appearance subassembly, be electric connection relation between split type water quality detection appearance subassembly and the perception system subassembly, split type water quality detection appearance subassembly includes water quality detection appearance tip, water quality detection afterbody, response magnetic sheet and elasticity rope, water quality detection appearance tip articulates in the lateral wall of water quality detection afterbody, and the afterbody setting of water quality detection afterbody is oval setting, the response magnetic sheet laminating is in the bottom of water quality detection afterbody, the bottom of water quality detection appearance tip passes through elasticity rope and links to each other with the water quality detection afterbody, the inside of one end fixed connection in water quality detection appearance tip of elasticity rope, the hole groove that is used for elasticity rope shrink is all seted up on the relative terminal surface of water quality detection appearance tip and water quality detection afterbody.
In a preferred embodiment, the detachable water quality detector assembly is internally provided with an electrified magnetic sheet, the electrified magnetic sheet is attached to opposite end surfaces of the end part of the water quality detector and the tail part of the water quality detector, the electrified magnetic sheet is electrically connected with the auxiliary case and the sensing system assembly, four groups of fixing bases are fixedly arranged at the upper end of the ship body, and the four groups of fixing bases are uniformly and symmetrically distributed about the vertical central line of the ship body.
The application has the technical effects and advantages that:
1. according to the application, two groups of worms are inserted into the outer wall of the ship body, a plurality of groups of fan blades are fixedly sleeved at the two ends of each worm, the fan blades are driven to rotate by water flow, the screw rod is driven to rotate for generating electricity, meanwhile, a first gear and a second gear are inserted into the inner wall of the ship body, the rotation speed of the screw rod is enhanced by the meshing ratio of the first gear and the second gear, and the electricity generation current of the generator is increased;
2. according to the application, the split type water quality detector assembly is arranged at the bottom end of the ship body, the end parts of the water quality detector and the end surfaces of the water quality detection tail parts are mutually separated through friction between water flow and the split type water quality detector assembly when the ship body runs, the water quality detection tail parts are in upward bending trend, and the problem that the water quality of a fixed point is checked is solved because the split type water quality detector assembly has a certain length and touches the water bottom or the water bottom reef to disturb the navigation direction in the running process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the power self-control conversion device of the application.
Fig. 2 is a full sectional view of the power self-controlling conversion device of the present application.
Fig. 3 is an isometric view of a portion of the structure of the power self-controlling conversion device of the present application.
The reference numerals are: 1. a hull; 2. a perception system component; 3. a fixed base; 4. a water outlet; 5. a water pumping port; 6. a split water quality detector assembly; 601. the end part of the water quality detector; 602. a water quality detection tail; 603. sensing magnetic sheets; 604. an elastic rope; 7. a worm; 8. energizing the primary magnetic sheet; 9. an auxiliary case; 10. a water flow pipe; 11. a rotating box; 12. a turbine; 13. a first belt; 14. a second belt; 15. a first gear; 16. and a second gear.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1: referring to fig. 1 and 2, a small hybrid power self-control conversion device of an unmanned ship comprises a ship body 1, wherein a perception system component 2 is arranged at the top end of the ship body 1, the perception system component 2 comprises a positioning navigation system, an external environment perception system and a platform state perception system, the perception system component provides necessary data sources and hardware for motion decision and control of the unmanned ship, two sides of the ship body 1 are provided with two worms 7 in a penetrating manner, a plurality of groups of fan blades are fixedly inserted on the surfaces of head of two ends of the worm 7 positioned outside the ship body 1, the fan blades are uniformly distributed, two groups of auxiliary machine boxes 9 are arranged on the inner wall of the ship body 1, a generator is arranged in the auxiliary machine box 9, and the output end of the generator is electrically connected with a screw rod;
referring to fig. 1 and 2, the inner wall of the hull 1 is rotatably connected with a first gear 15 and a second gear 16, shafts for rotation are fixedly inserted in the centers of the first gear 15 and the second gear 16, the first gear 15 and the second gear 16 are in meshed connection, a first belt 13 is arranged between the first gear 15 and the worm 7, one end of the first belt 13 is sleeved on the surface of the worm 7, the other end of the first belt 13 is sleeved on the surface of the shaft of the first gear 15, a second belt 14 is arranged between the second gear 16 and the screw rod, one end of the second belt 14 is sleeved on the surface of the shaft of the second gear 16, and the other end of the second belt 14 is sleeved on the surface of the screw rod.
Referring to fig. 2, a rotary box 11 is rotatably connected to the surface of a rod body of the worm 7 located inside the hull 1, a plurality of sets of turbines 12 are fixedly connected to the surface of the rod body of the worm 7 located inside the rotary box 11, the plurality of sets of turbines 12 are uniformly and symmetrically distributed about a horizontal center line of the rotary box 11, and the rotary box 11 is used for providing power for promoting water flow when the air pump moves the water flow in a directional manner.
Referring to fig. 2 and 3, a water pumping port 5 is fixedly installed at the bottom end of the ship body 1, a water outlet 4 is fixedly connected to one side of the ship body 1, a water flow pipeline 10 is arranged between the water outlet 4 and the water pumping port 5, one end of the water flow pipeline 10 is fixedly communicated with the water outlet 4, and the other end of the water flow pipeline 10 penetrating through the rotary box 11 is connected with an air pumping box.
Referring to fig. 1 and 3, the suction box is fixed on the inner wall of the hull 1, and the suction box and the water outlet 4 are arranged in a communicating state, and a suction pump is installed in the bottom end of the suction box and is in an electrical connection relationship with the sensing system component 2.
Specifically, the model of aspiration pump is N87TTE, unmanned ship top sets up the battery in addition, for starting the power, the power that the generator produced supplements for the battery, the aspiration pump draws in rivers from pumping mouth 5 to rivers pipeline 10, there is delivery port 4 to flow out again, through at the outer wall cartridge of hull 1 two sets of worms 7, the multiunit flabellum has been cup jointed at the both ends pole head of worm 7 fixedly, drive multiunit flabellum through rivers and rotate, drive the lead screw and rotate and be used for generating electricity, simultaneously at the inner wall cartridge of hull 1 first gear 15 and second gear 16, the meshing ratio through first gear 15 and second gear 16 strengthens the rotation rate of lead screw, increase generator electricity generation current.
Example 2: referring to fig. 1 and 2, a detachable water quality detector assembly 6 is installed at the bottom end of a hull 1, the detachable water quality detector assembly 6 is electrically connected with a sensing system assembly 2, the detachable water quality detector assembly 6 comprises a water quality detector end 601, a water quality detector tail 602, a sensing magnetic sheet 603 and an elastic rope 604, the water quality detector end 601 is hinged to the side wall of the water quality detector tail 602, the tail of the water quality detector tail 602 is provided with an oval-shaped structure, the sensing magnetic sheet 603 is attached to the bottom end of the water quality detector tail 602, the bottom end of the water quality detector end 601 is connected with the water quality detector tail 602 through the elastic rope 604, one end of the elastic rope 604 is fixedly connected with the inside of the water quality detector end 601, the other end of the elastic rope 604 is fixedly connected with the inside of the water quality detector tail 602, and holes for shrinkage of the elastic rope 604 are formed in opposite end faces of the water quality detector end 601 and the water quality detector tail 602.
Referring to fig. 1 and 2, a detachable water quality detector assembly 6 is internally provided with an electrified meta-magnetic sheet 8, the electrified meta-magnetic sheet 8 is attached to opposite end surfaces of a water quality detector end 601 and a water quality detection tail 602, the electrified meta-magnetic sheet 8 is electrically connected with an auxiliary case 9 and a sensing system assembly 2, four groups of fixing bases 3 are fixedly arranged at the upper end of a ship body 1, and the four groups of fixing bases 3 are uniformly and symmetrically distributed about the vertical center line of the ship body 1.
Specifically, through being provided with split type water quality detector subassembly 6 in the bottom of hull 1, the friction between rivers and split type water quality detector subassembly 6 separates water quality detector tip 601 and the terminal surface of water quality detection afterbody 602 each other through hull 1 during operation, water quality detection afterbody 602 is the trend of bending upwards, prevent because split type water quality detector subassembly 6 has certain length, split type water quality detector subassembly 6 touches the water bottom or the water bottom reef is disturbed the navigation direction in the operation in-process, be used for stopping examining fixed point quality of water problem simultaneously, when the quality of water of certain fixed point position department needs to be measured, stop unmanned ship, because the axial force that elastic rope 604 shrink produced between water quality detection afterbody 602 and the water quality detection afterbody 601, lead to water quality detection afterbody 602 slowly moving until vertical, water quality detection afterbody 602's opposite terminal surface is laminated with water quality detection afterbody 602, begin to carry out water quality measurement.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing is only illustrative of the preferred embodiments of the present application and is not to be construed as limiting the application, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present application.

Claims (4)

1. The utility model provides a small-size hybrid automatic control conversion device of unmanned ship, includes hull (1), the top of hull (1) is provided with perception system subassembly (2), perception system subassembly (2) are including location navigation, external environment perception system and platform state perception system, perception system subassembly (2) provide necessary data source and hardware for unmanned ship's motion decision and control, its characterized in that: two worm screws (7) are arranged on two sides of the ship body (1) in a penetrating manner, a plurality of groups of fan blades are fixedly inserted into the surfaces of the head surfaces of two ends of the worm screws (7) positioned outside the ship body (1), the fan blades are annularly and uniformly distributed, two groups of auxiliary machine boxes (9) are arranged on the inner wall of the ship body (1), a generator is arranged in the auxiliary machine boxes (9), and the output end of the generator is electrically connected with a screw rod;
the novel ship is characterized in that a first gear (15) and a second gear (16) are rotatably connected to the inner wall of the ship body (1), a shaft body used for rotating is fixedly inserted into the centers of the first gear (15) and the second gear (16), the first gear (15) and the second gear (16) are in meshed connection, a first belt (13) is arranged between the first gear (15) and the worm (7), one end of the first belt (13) is sleeved on the surface of the worm (7), the other end of the first belt (13) is sleeved on the shaft body surface of the first gear (15), a second belt (14) is arranged between the second gear (16) and the screw, one end of the second belt (14) is sleeved on the shaft body surface of the second gear (16), and the other end of the second belt (14) is sleeved on the surface of the screw;
the surface of a rod body, which is positioned in the ship body (1), of the worm (7) is rotationally connected with a rotating box (11), a plurality of groups of turbines (12) are fixedly connected with the surface of the rod body, which is positioned in the rotating box (11), of the worm (7), and the plurality of groups of turbines (12) are uniformly and symmetrically distributed about the horizontal center line of the rotating box (11);
the utility model provides a ship body (1) bottom is installed split type water quality detection instrument subassembly (6), be electric connection relation between split type water quality detection instrument subassembly (6) and perception system subassembly (2), split type water quality detection instrument subassembly (6) are including water quality detection instrument tip (601), water quality detection afterbody (602), response magnetic sheet (603) and elasticity rope (604), water quality detection instrument tip (601) articulates in the lateral wall of water quality detection afterbody (602), and the afterbody setting of water quality detection afterbody (602) is oval setting, response magnetic sheet (603) laminating in the bottom of water quality detection afterbody (602), the bottom of water quality detection instrument tip (601) links to each other with water quality detection afterbody (602) through elasticity rope (604), the inside of one end fixed connection in water quality detection instrument tip (601) of elasticity rope (604), the inside that is used for shrink hole (604) are all seted up on the relative terminal surface of water quality detection afterbody (602).
2. The unmanned ship's small-sized hybrid power automatic control conversion device according to claim 1, wherein: the novel water pump is characterized in that a water pumping port (5) is fixedly arranged at the bottom end of the ship body (1), a water outlet (4) is fixedly connected to one side of the ship body (1), a water flow pipeline (10) is arranged between the water outlet (4) and the water pumping port (5), one end of the water flow pipeline (10) is fixedly communicated with the water outlet (4), and the other end of the water flow pipeline (10) penetrating through the rotary box (11) is connected with an exhaust box.
3. The unmanned ship's small-sized hybrid power automatic control conversion device according to claim 2, wherein: the suction box is fixed on the inner wall of the ship body (1), the suction box and the water outlet (4) are arranged in a communicated state, a suction pump is arranged in the bottom end of the suction box, and the suction pump is in an electrical connection relation with the sensing system component (2).
4. The unmanned ship's small-sized hybrid power automatic control conversion device according to claim 1, wherein: the utility model discloses a water quality detection instrument is characterized by comprising a split type water quality detection instrument component (6), wherein an electrified meta-magnetic sheet (8) is arranged inside the split type water quality detection instrument component (6), the electrified meta-magnetic sheet (8) is attached to opposite end faces of a water quality detection instrument end part (601) and a water quality detection tail part (602), the electrified meta-magnetic sheet (8) is electrically connected with an auxiliary machine box (9) and a perception system component (2), four groups of fixed bases (3) are fixedly arranged on the upper end of a ship body (1), and the four groups of fixed bases (3) are uniformly and symmetrically distributed with respect to the vertical center line of the ship body (1).
CN202210765638.9A 2022-07-01 2022-07-01 Small-sized hybrid power self-control conversion device of unmanned ship Active CN115123511B (en)

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CN202210765638.9A CN115123511B (en) 2022-07-01 2022-07-01 Small-sized hybrid power self-control conversion device of unmanned ship

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CN115123511B true CN115123511B (en) 2023-12-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119509U (en) * 1992-01-27 1992-10-21 余觉民 Generating ship with multi-water turbine
CN201573778U (en) * 2009-12-29 2010-09-08 邵金志 Hydraulic lift water wheel generating ship
JP2012137318A (en) * 2010-12-24 2012-07-19 Si Co Ltd Unmanned underwater environment investigation ship
KR101587243B1 (en) * 2015-08-07 2016-01-20 동문이엔티(주) Floating Body for Monitoring Water Quality under Large Water Level Fluctuation
CN212228879U (en) * 2020-04-10 2020-12-25 辽宁花慧科技有限公司 Ice surface detecting rod
CN113063911A (en) * 2021-03-19 2021-07-02 中国船舶科学研究中心 Unmanned ship system for monitoring water quality of lakes and watersheds

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119509U (en) * 1992-01-27 1992-10-21 余觉民 Generating ship with multi-water turbine
CN201573778U (en) * 2009-12-29 2010-09-08 邵金志 Hydraulic lift water wheel generating ship
JP2012137318A (en) * 2010-12-24 2012-07-19 Si Co Ltd Unmanned underwater environment investigation ship
KR101587243B1 (en) * 2015-08-07 2016-01-20 동문이엔티(주) Floating Body for Monitoring Water Quality under Large Water Level Fluctuation
CN212228879U (en) * 2020-04-10 2020-12-25 辽宁花慧科技有限公司 Ice surface detecting rod
CN113063911A (en) * 2021-03-19 2021-07-02 中国船舶科学研究中心 Unmanned ship system for monitoring water quality of lakes and watersheds

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