Active heave compensation control system and active heave compensation control method of marine ship-borne AC variable-frequency winch

A technology of AC frequency conversion and heave compensation, applied in the direction of hoisting device, spring mechanism, etc., can solve problems such as complex structure, and achieve the effect of simple control process, improved service life and simple structure

CN104495672AInactive Publication Date: 2015-04-08HUNAN UNIV OF SCI & TECH
6 Cites 15 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-04-08
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention discloses an active heave compensation control system and an active heave compensation control method of a marine ship-borne AC variable-frequency winch. The control system comprises a hot backup redundant controller, a frequency converter group, an AC variable-frequency motor, a transmission planet gear train, an armored umbilical cable, a coiling block and a signal detection sensor; the signal detection sensor is used for sensing the rotating speed of the coiling block and the heave acceleration of a mother ship; the signal output end of the signal detection sensor is connected with the hot backup redundant controller and sends the acquired signals to the hot backup redundant controller; the hot backup redundant controller is connected with the AC variable-frequency motor by use of the frequency converter group; the AC variable-frequency motor is connected with the transmission planet gear train by use of a speed reducer; the transmission planet gear train is fixedly connected to one end of the coiling block; the armored umbilical cable is wound around the coiling block; the free end of the armored umbilical cable is connected with a deep sea operating apparatus. The control system is simple in structure and has an active heave compensation control function.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of marine ship-borne winches, in particular to an active heave compensation control system and control method for marine ship-borne AC frequency conversion winches. Background technique

[0002] With the rapid expansion of population and the depletion of land resources, countries around the world are focusing on the ocean, which is rich in oil, natural gas and mineral resources. Since the beginning of the new century, many countries have formulated marine development strategies one after another. They regard the development of marine resources, the development of marine economy, and the control of marine capabilities as important strategic decisions of the country, and the building of a maritime power is an important measure to enhance comprehensive national strength. In order to realize the exploration and development of marine resources, it is necessary to have special marine engineering equipment to complete, and t...

Examples

Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] like figure 1 As shown, the control system of the present invention includes a hot standby redundant controller 1, a frequency converter group 4, an AC variable frequency motor 8, a transmission planetary gear train, an armored umbilical cable 11, a reel 12 and a signal detection sensor, and the signal detection The sensor collects the rotational speed of the reel 12 and the heave acceleration of the mother ship. The signal detection sensor includes an angle encoder 13 and an acceleration sensor 14. The angle encoder 13 is installed on the main shaft of the reel 12, and the acceleration sensor 14 is installed on the mother ship. 13 and the signal output end of the acceleration sensor 14 are connected with the hot standby redundant controller 1, and the collected signal is sent to the hot standby redundant controller 1, and the hot standby redunda...