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Electric immergence monitoring system for watercraft

A monitoring system and electronic technology, which can be applied to equipment that reduces the movement of ships, equipment that increases the stability of ships, ships, etc., can solve problems such as threatening the navigation safety of ships, low accuracy, troublesome calculation of cargo sources, etc., and achieve high measurement accuracy. , The effect of reliable communication and convenient calculation

Inactive Publication Date: 2008-06-11
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] For a long time, the ship load calculation of my country's freight transportation has been mostly done manually, especially the calculation of coal, sand, ore and other cargo sources is troublesome and the accuracy is not high. Improper, especially the cargo owner's serious inaccurate (concealed) declaration of the weight of the cargo will easily cause the ship's imbalance and stability decline, which will not only affect the ship's navigation status, but may directly threaten the ship's navigation safety in serious cases

Method used

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  • Electric immergence monitoring system for watercraft
  • Electric immergence monitoring system for watercraft
  • Electric immergence monitoring system for watercraft

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Embodiment Construction

[0051] Below in conjunction with accompanying drawing and embodiment, the present invention is further described:

[0052] 1. Host

[0053] In Figure 2,

[0054] 1) The host microprocessor 100 selects 89C55 microprocessor.

[0055] 2) The clock circuit 200 uses a DS1302 clock chip.

[0056] 3) The keyboard circuit 300 uses the ZLG7290 keyboard interface chip 310 and is equipped with a 5×4 keyboard 320 .

[0057] 4) The liquid crystal display circuit 400 includes an SN74F373 address latch 410 and an HD44780 liquid crystal display circuit 420 .

[0058] 5) The RS485 bus and the interface circuit 500 include a MAX485 chip;

[0059] 6) The external memory 600 includes a 74LS138 decoder 610 and an MCM6264 memory chip 620 .

[0060]The 89C55 microprocessor 100 of the host computer is connected to the clock circuit 200 through P1.1, P1.5, and INTO ports, T1, T0 and INT1 of the 89C55 host microprocessor 100 are connected to the keyboard interface chip ZLG7290 circuit 310, and the...

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Abstract

The invention discloses an electric ship draft monitoring system, which relates to a ship draft monitoring system. The invention is formed by a slave which is equipped with four electric draft scales, a system host arranged inside a cockpit and a RS485 bus. The system host comprises a microprocessor (100) and external memory storages (600), clock circuits (200), keyboard circuits (300), liquid crystal display circuits (400) and audible and visual alarm circuits (700) which are respectively connected with the microprocessor (100). A first slave (800), a second slave (900), a third slave (1000) and a fourth slave (1100) which are respectively arranged on port forward, starboard forward, port aft and starboard aft are respectively connected with interfaces of host microprocessor (100) through the RS485 bus and interface circuits (500). The invention is capable of automatically collecting the ship draft information, providing the corresponding technical support for the reasonable loading and navigation of the ships. The invention has the advantages of high measuring precision, swift control, reliable communication and good real-time, and can be widely used for the draft monitoring of various ships in rivers and seas.

Description

technical field [0001] The invention relates to a ship draft monitoring system, in particular to a ship draft monitoring system based on a planar capacitive electronic draft scale. Background technique [0002] For a long time, the ship load calculation of my country's freight transportation has been mostly done manually, especially the calculation of coal, sand, ore and other cargo sources is troublesome and the accuracy is not high. Improper, especially cargo owner's serious inaccurate declaration of the weight of the cargo (concealment), will easily cause the ship's imbalance and stability decline, which will not only affect the ship's navigation status, but may directly threaten the ship's navigation safety in severe cases. Contents of the invention [0003] The present invention aims at providing an automatic ship electronic draft monitoring system aiming at the above disadvantages. [0004] Technical scheme of the present invention is: [0005] It consists of a slav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B39/12
Inventor 熊昌仑杨西宁熊涛杨光义
Owner WUHAN UNIV
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