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Electric immergence monitoring system for watercraft

A monitoring system, electronic technology, applied in equipment to reduce ship movement, equipment to increase ship stability, ships, etc., can solve the problems that threaten the safety of ship navigation, low accuracy, drop, etc., and achieve high measurement accuracy and calculation Convenience, control and flexible effects

Inactive Publication Date: 2009-09-09
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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] figure 2 middle,

[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 is connected to the clock circuit 200 through P1.1, P1.5, and INT0 ports, T1, T0 and INT1 of the 89C55 host microprocessor 100 are connected to the keyboard interface chip ZLG7290 circuit 310, and the ke...

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PUM

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Abstract

The invention discloses an electronic ship draft monitoring system, and relates to a ship draft monitoring system. The present invention is composed of a slave machine equipped with four electronic draft gauges, a system host in the cab and an RS485 bus; the system host includes a microprocessor and an external memory connected to the microprocessor, a clock circuit, a keyboard circuit, and a liquid crystal display circuit, sound and light alarm circuit; the No. 1, No. 2, No. 3, and No. 4 slaves located on the left front, right front, left rear, and right rear sides of the ship are respectively connected to the serial port of the host microprocessor through the RS485 bus and the interface circuit. The invention can automatically collect ship draft information, and provide corresponding technical support for reasonable loading and navigation safety of ships; it has the advantages of high measurement accuracy, flexible control, reliable communication, and good real-time performance, and can be widely used in various types of rivers, lakes, and seas. Draft monitoring of ships.

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 Patents(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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