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CN-122008866-A - Power-off prevention device of multifunctional hybrid power electric propulsion ship

CN122008866ACN 122008866 ACN122008866 ACN 122008866ACN-122008866-A

Abstract

The invention relates to an anti-power-off device of a multifunctional hybrid power electric propulsion ship, which comprises a main electric propulsion assembly, a secondary electric propulsion assembly and a switching assembly, wherein the device comprises a main power supply state and an emergency power supply state, when the device is in the main power supply state, a first electric wire and a second electric wire are electrified, a moving mechanism is adsorbed on an electromagnet, the middle part of a third electric wire is disconnected, when the device is in the emergency power supply state, a main power supply is powered off, a connecting terminal is connected with a joint of the third electric wire and a joint of a fourth electric wire in a matched manner, and the third electric wire and the fourth electric wire are communicated. Compared with the prior art, the invention has the advantages that the main electric propulsion component and the auxiliary electric propulsion component are cooperatively matched, the dual electric propulsion guarantee is constructed, the redundant supply of the ship propulsion electric power is realized, the operation risk after single power supply and power failure can be avoided, the quick automatic switching can be realized, the recovery time of the propulsion power in a fault state is greatly shortened, the continuous output of the ship propulsion power is ensured, and the like.

Inventors

  • WANG ZHONGCHENG
  • ZHU JIE
  • LIU XIAOYU

Assignees

  • 上海海事大学

Dates

Publication Date
20260512
Application Date
20260206

Claims (10)

  1. 1. The power outage prevention device of the multifunctional hybrid power electric propulsion ship is arranged on a ship body (1) and is characterized by comprising a main electric propulsion assembly, a secondary electric propulsion assembly and a switching assembly, wherein the main electric propulsion assembly comprises a main power supply (4), a first electric wire (5), a second electric wire (6) and a first driving mechanism, the secondary electric propulsion assembly comprises a secondary power supply (7), a third electric wire (8), a fourth electric wire (9) and a second driving mechanism, the switching assembly comprises a fixed shell (2), an electromagnet (3) and a moving mechanism which are arranged in the fixed shell (2), a connecting terminal (10) is arranged on the moving mechanism, the first electric wire (5) is connected with the main power supply (4) and the electromagnet (3), the second electric wire (6) is connected with the main power supply (4) and the first driving mechanism, one end of the third electric wire (8) is connected with a secondary power supply (7), one end of the fourth electric wire (9) is connected with the second driving mechanism, and the fourth electric wire (9) and the third electric wire (8) are provided with a connector capable of matching with the connecting terminal (10). The device comprises a main power supply state and an emergency power supply state, when the device is in the main power supply state, a first electric wire (5) and a second electric wire (6) are electrified, a moving mechanism is adsorbed on an electromagnet (3), the middle of a third electric wire (8) is disconnected, when the device is in the emergency power supply state, a main power supply (4) is powered off, and a connecting terminal (10) is connected with a joint of the third electric wire (8) and a fourth electric wire (9) in a matched mode, and the third electric wire (8) is communicated with the fourth electric wire (9).
  2. 2. The power outage preventing device of the multifunctional hybrid electric propulsion ship according to claim 1, wherein the moving mechanism comprises a moving plate (25), a spring (26), a fixed rod (27) and an iron block (28), wherein the fixed shell (2) is columnar, a baffle plate for axially dividing the fixed shell (2) into a first area and a second area is arranged in the fixed shell, and a through hole is formed in the middle of the baffle plate; The fixed rod (27) penetrates into the spring (26), one end of the fixed rod penetrates through the baffle to be connected with the iron block (28), and the iron block (28) and the electromagnet (3) are positioned in the second area; When the device is in a main power supply state, the electromagnet (3) and the iron block (28) are attracted, and when the device is in an emergency power supply state, the electromagnet (3) and the iron block (28) are separated and clamped on the baffle plate, and the wiring terminal (10) is matched with the joints of the third electric wire (8) and the fourth electric wire (9).
  3. 3. The power outage preventing apparatus for a multi-power hybrid electric propulsion vessel according to claim 2, wherein said fixed rod (27) is vertical and said moving plate (25) is located at a side close to the ground.
  4. 4. The power outage preventing device for a multi-energy hybrid electric propulsion ship according to claim 1, wherein the first driving mechanism comprises a first motor (11), a first rotating rod (12) and a first driving fan (14), the first motor (11) is fixed on the ship body (1), an output shaft of the first motor (11) is connected with one end of the first rotating rod (12), and the first driving fan (14) is installed at the other end of the first rotating rod (12).
  5. 5. The power outage preventing device for the multifunctional hybrid electric propulsion ship according to claim 4, wherein the first driving mechanism further comprises a driving belt wheel (13), a driven belt wheel (16), a transmission belt (18), a second rotating rod (15) and a second driving fan (17), the driving belt wheel (13) is sleeved on the first rotating rod (12), the second rotating rod (15) is rotationally fixed on the ship body (1), the driven belt wheel (16) is sleeved on the second rotating rod (15), the transmission belt (18) is sleeved on the driving belt wheel (13) and the driven belt wheel (16), the second driving fan (17) is installed at one end of the second rotating rod (15), and the first driving fan (14) and the second driving fan (17) are symmetrically arranged on two sides of the ship body (1).
  6. 6. The power outage prevention device of a multi-energy hybrid electric propulsion ship according to claim 1, wherein the second driving mechanism comprises a second motor (19), a first rotating rod (20), a first gear (21), a second gear (23), a second rotating rod (22) and a third driving fan (24), the second motor (19) is mounted on the ship body (1), an output shaft of the second motor (19) is connected with one end of the first rotating rod (20), the other end of the first rotating rod (20) is connected with the first gear (21), the first gear (21) is meshed with the second gear (23), the second gear (23) is connected with one end of the second rotating rod (22), and the third driving fan (24) is mounted at the other end of the second rotating rod (22).
  7. 7. The power outage preventing device for a multi-energy hybrid electric propulsion vessel according to claim 1, wherein said hull (1) is provided with a working space (29), and said first and second driving mechanisms are located in said working space (29).
  8. 8. The power outage preventing device for a multi-purpose hybrid electric propulsion vessel according to claim 7, wherein said working space (29) comprises a transmission working space (29) and a working space (29), said first and second driving mechanisms each comprise a driving fan, said driving fan is located in said working space (29), one side of said working space (29) perpendicular to the rotation axis of said driving fan is communicated with the outside and said side is provided with a filter plate (30).
  9. 9. The power outage preventing device for a multi-energy hybrid electric propulsion vessel according to claim 1, further comprising a solar panel (31), said solar panel (31) being connected to a secondary power source (7).
  10. 10. The power outage preventing device for a multi-energy hybrid electric propulsion vessel according to claim 1, wherein said primary power source (4) and said secondary power source (7) are respectively installed at both sides of the hull (1).

Description

Power-off prevention device of multifunctional hybrid power electric propulsion ship Technical Field The invention relates to a ship power system, in particular to an anti-power-off device of a multifunctional hybrid power electric propulsion ship. Background In the fields of inland transportation, offshore fishery, short-distance passenger transport and the like, the small-sized multifunctional hybrid power electric propulsion ship is widely applied due to the advantages of high flexibility, low energy consumption and the like, an electric propulsion system of the ship is the core of navigation, the stability of the electric propulsion system is directly related to navigation safety, and in particular in complex water areas such as narrow river channels, offshore shoals and the like, once the propulsion system is stopped due to power failure, accidents such as collision, stranding and the like are extremely easy to cause. At present, the power switching mode of the small ship has obvious defects, which are limited by the space and cost of the ship body, the existing device is mostly dependent on manual switching or a simple mechanical structure, when the main power supply fails suddenly, a shipman needs to quickly judge the failure and manually connect with the standby power supply, the configuration of the small ship is less, the long-time shutdown of a propulsion system is easily caused by the operation of the device in a messy and prolonged switching time in emergency, the simple mechanical switching mechanism often causes the blocking of the ship bump and the rust of parts, the switching cannot be reliably completed, the failure probability is higher in stormy weather, part of the small ship is provided with an automatic switching device, but the design is simple, a quick response mechanism is lacked, after the main power supply fails, the device needs to be subjected to multiple steps of detection, judgment, execution and the like, a power failure gap of a few seconds to tens of seconds is often existed, even if the small ship with limited power storage is temporarily stopped, the risk of the small ship is possibly lost, in addition, the frequent power failure can impact the propulsion motor and the control module, the maintenance capability of the small ship is difficult to repair the device in time after the device is damaged, and the device is difficult to repair in time, and the efficiency is required to be improved. Through retrieval, application publication number CN 102120488A discloses a hybrid ship electric propulsion system and an implementation method, and specifically discloses a hybrid power supply mode which adopts a power battery as a main power supply and a diesel motor set as an auxiliary power supply, wherein the ship navigation safety is ensured through shore power charging, power battery power supply and automatic switching of the diesel motor set, and the power battery and the diesel motor set are jointly powered under emergency conditions. However, this prior art requires a power supply mode to be changed by manually controlling a power switch, and it is difficult to achieve rapid switching of power failure. In summary, how to design a ship power-off prevention device capable of rapidly realizing power supply switching is a technical problem to be solved. Disclosure of Invention The invention aims to overcome the defect that the prior art is difficult to realize rapid switching of power supply after the power failure of a ship, and provides an anti-power-off device of a multifunctional hybrid power electric propulsion ship. The object of the invention can be achieved by the following technical scheme. According to one aspect of the invention, there is provided an anti-outage device for a multi-purpose hybrid electric propulsion vessel mounted on a hull, the device comprising a main electric propulsion assembly, a secondary electric propulsion assembly and a switching assembly, the main electric propulsion assembly comprising a main power source, a first electric wire, a second electric wire and a first drive mechanism, the secondary electric propulsion assembly comprising a secondary power source, a third electric wire, a fourth electric wire and a second drive mechanism, the switching assembly comprising a stationary housing and an electromagnet and a moving mechanism mounted in the stationary housing, the moving mechanism having a terminal thereon, the first electric wire connecting the main power source and the electromagnet, the second electric wire connecting the main power source and the first drive mechanism, the third electric wire having one end connected to the secondary power source, the fourth electric wire having one end connected to the second drive mechanism, the fourth electric wire and the third electric wire having a fitting mateable with the terminal; The device comprises a main power supply state and an emergency power supply state, when the device is in the m