A wireless remote control and alarm system applied to electric propulsion ships

Abstract

A wireless remote control and alarm system applied to electric propulsion ships, including: several wireless APs distributed in various areas of the ship to form a wireless local area network and connected to network switches on the ship; at least one mobile control terminal; the mobile control terminal Establish communication with the ship PLC connected to the network switch through the wireless local area network formed by the plurality of wireless APs to complete the information exchange of ship data, and perform remote control, monitoring and alarm of the entire ship area according to the ship data, and at the same time the ship PLC The priority of the control authority is set. Its advantages are: the wireless network communication method is applied to the whole ship, and a corresponding number of mobile control terminals are installed on the ship according to the needs, which realizes extremely efficient and portable control of the whole ship area, breaks the limitation of the range of activities of the staff, and will The control authority of the ship is done on the mobile control terminal. As a redundant control method of the ship, it is of great significance to improve the safety of the ship.

Description

technical field [0001] The invention relates to the technical field of large ocean-going ships, in particular to a wireless remote control and alarm system applied to electric propulsion ships. Background technique [0002] Currently ships use wired data transmission and wired control methods to monitor ship information and control ships at fixed locations, but this wired method severely limits the range of activities of ship staff, and has the following problems question: [0003] 1. The current call method usually used on ships is the wired telephone mode. The establishment process of the call is: first know the location of the other party, and then inquire the fixed number assigned to the location to make a call, but if the current person is not at the location, you cannot The call connection is successfully established, but the communication is invalid; [0004] 2. The current ship's wired control method severely limits the range of activities of the ship's pilot, conf...

AI Technical Summary

Problems solved by technology

[0002] Currently ships use wired data transmission and wired control methods to monitor ship information and control ships at fixed locations, but this wired method severely limits the range of activities of ship staff, and has the following problems question:

[0003] 1. The current call method usually used on ships is the wired telephone mode. The establishment process of the call is: first know the location of the other party, and then inquire the fixed number assigned to the location to make a call, but if the current person is not at the location, you cannot The call connection is successfully established, but the communication is invalid;

[0004] 2. The current ship's wired control method severely limits the range of activities of the ship's pilot, confining the pilot to the fixed area of ​​the bridge, and can only transcribe the operation password according to the observed situation, so that the sailor can perform the operation , which is extremely inconvenient; on the other hand, in the process of information transmission, there will be operational errors due to differences in human cognition of ship dynamic performance and differences in business capabilities, which will affect the safety of ships;

[0005] 3. The number of equipment on the ship is increasing, and the structure is becoming more and more complex at the same time, and the coupling degree of information between the equipment is also increasing. For the safety of the ship, it is necessary to monitor the alarm information of each equipment in a timely and efficient manner to prevent leakage of alarm information. Listening or delaying processing may lead to serious accidents. Currently, only areas such as the central control room, driving console, dining room, and room on the ship can monitor and display equipment alarm status. At the same time, with the development trend of large ships, The alarm information display and monitoring scheme only in a few fixed locations brings great inconvenience to the ship's staff on the whole ship patrol, maintenance and other work;

[0006] 4. The current laying of network lines on ships is becoming more and more complicated, and the probability of corresponding network failures will also increase. The emergence of key network failure information will pose a great threat to the information transmission and safe navigation of ships. However, current ships There is no dedicated network communication status monitoring equipment on the Internet, which is not conducive to efficient maintenance of the network;

[0007] 5. Since the current ship’s regular maintenance of equipment mainly adopts the timing method, recording the opening and closing time of each equipment, and then formulating equipment maintenance and maintenance plans according to the total running time, but this kind of maintenance way is not efficient

The operating conditions of ship equipment change in real time with the ocean currents in the external ocean and the operation of the ship's internal equipment, so there will be light loads and heavy loads, so the impact on the equipment under these two non-standard conditions is different Therefore, the accumulation of simple time cannot reflect the degree of wear of the internal components of the equipment, and such a regular maintenance method is not conducive to reducing the maintenance cost of the ship;

[0008] 6. Ship safety includes equipment safety and personnel safety. At present, the safety of ship personnel is mainly carried out through safety education to improve safety awareness and wearing safety helmets and work shoes. There is no special personnel safety device on the ship

On the other hand, during the working process, most of the conversations of the staff are realized through the walkie-talkie. Even if there is an accident and the need to call for help is realized through the walkie-talkie, but due to the steel structure of the large ship, there will be no The wireless signal of the walkie-talkie produces a natural shielding effect, which cannot effectively guarantee the stability and immediacy of communication, so the unreliability of the performance cannot effectively guarantee the safety of personnel

Images