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Ship-pedestal-levelness measuring system in mooring condition

A technology for levelness measurement and status, applied in the field of measurement systems, can solve the problems of measurement errors exceeding the measurable range, affecting the use of ship auxiliary benchmarks, and unfavorable calibration of combat systems, achieving high application prospects and market space.

Inactive Publication Date: 2016-04-13
南京恒誉名翔科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Due to the huge size of the hull, affected by the sea tide, the hull itself will also have periodic small deformations, so that the level difference between the reference platform and the base (tested platform) is no longer a stable value, and the measurement error exceeds Measurable range, unable to give level value
In turn, it will make it impossible to align the main datum and the auxiliary datum of the ship, which will affect the use of the auxiliary datum of the ship, and will also have an adverse effect on the calibration of the combat system

Method used

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  • Ship-pedestal-levelness measuring system in mooring condition
  • Ship-pedestal-levelness measuring system in mooring condition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] combine figure 1 , figure 1 A block diagram of the system. The dynamic automatic measurement system for the levelness of the ship foundation in the mooring state is composed of four subsystems: the levelness measurement system, the data processing system, the data communication system, and the operation interface. The levelness measurement system is responsible for measuring the levelness of the reference platform and the measured platform; the data processing system is mainly used to eliminate the errors caused by waves and structural deformation in the measured values; the data communication system is mainly used for the transmission of measurement data; the operation interface It is mainly used to display the measurement results and the current measurement position, and has the functions of storage and offline printing of measurement results.

[0016] Levelness measurement system: It is mainly used to measure the angle between the tested platform and the ref...

Embodiment 2

[0021] combine figure 2 , figure 2 It is a schematic diagram of the data acquisition hardware structure. The whole process of collection is described as follows:

[0022] 1. The four inclination sensors on the tested platform and the reference platform collect the inclination data, and transmit the measured data to the computer through RS232 wired communication.

[0023] 2. The sensor software transmits the collected inclination data to the data processing software through the established virtual 232 serial ports, namely COM3 and COM4, ​​and then performs data processing.

[0024] 3. The data processed by the program is connected with the digital transmission station through RS232, and the transmission between the cabins is carried out through the digital transmission station. The digital transmission station must first select the appropriate transmission frequency to reduce the distortion in the transmission process.

[0025] 4. Since the wireless propagation...

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Abstract

In the invention, a ship-pedestal-levelness measuring system in a mooring condition comprises four sub-systems of a levelness measuring system, a data processing system, a data communication system, and an operation interface. The levelness measuring system is responsible for measuring levelness of a datum platform and a to-be measured platform. The data processing system is mainly used for eliminating an error, due to waves and structural deformation, in a measured value. The data communication system is mainly used for transmitting measured data. The operation interface is mainly used for displaying a measured result and a current measurement place and has a function of storing the measured result and printing the measured result off line. Through the ship-pedestal-levelness measuring system, the problem that levelness is changed due to pedestal deformation, resulting from swinging, temperature change, and other factors, of a ship in a mooring condition is solved. The ship-pedestal-levelness automatic measuring system is disclosed through combination of features of the ship and some practical requirements.

Description

technical field [0001] The invention relates to a measurement system, in particular to a measurement system for the levelness of a ship foundation in a mooring state. Background technique [0002] There are various high-precision navigation equipment, electronic equipment, and weapon equipment on ships. The normal operation of these equipment requires high-precision installation platforms, and these installation platforms are bases. In order to ensure the measurement accuracy of the equipment, the levelness of the base must be within the allowable range, even parallel to the reference platform. Levelness is an angular parameter defined as the sandwich between the measured platform and the reference platform. [0003] At present, most of the measurement of ship levelness is still manual operation. Measurements, readings, recordings, calculations, and then processing are performed by humans on pedestals and reference platforms. This method has a large error, because the dat...

Claims

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Application Information

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IPC IPC(8): G01C9/00
Inventor 李相武王瑛李忠喜
Owner 南京恒誉名翔科技有限公司
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