Description
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ABB SYNPOL D 3DDE-300-404 CMA-124 AE-4 PCB CARD is a key component installed in the ship’s electronic system, similar to the “brain” or “nerve center” of electronic equipment. Its core is a printed circuit board (PCB, Printed Circuit Board), which integrates various electronic components (such as chips, resistors, capacitors, etc.), and realizes specific functions through circuit connection. PCB card is like an “intelligent module”, responsible for receiving, processing and transmitting signals, helping the various systems of the ship to operate in coordination.
Functions of ship PCB cards
As the core carrier of electronic equipment, ship PCB cards mainly undertake the following functions:
Signal processing and transmission: responsible for the collection, processing and transmission of various sensor signals in ship navigation, communication, power control and other systems to ensure data accuracy and real-time performance.
System control and execution: through the integration of microprocessors, logic circuits, etc., to achieve automatic control of ship equipment, such as steering gear adjustment, main engine start and stop, etc.
Power management and distribution: optimize the power distribution path, provide stable voltage output, and ensure reliable power supply for key equipment under complex working conditions.
Fault diagnosis and protection: built-in self-check function, real-time monitoring of circuit status, triggering protection mechanism in abnormality to avoid equipment damage.
High reliability: the ship environment is complex, PCB cards need to be moisture-proof, salt spray-proof, vibration-proof and electromagnetic interference-proof to ensure long-term stable operation under harsh conditions.
Integrated design: modern ship PCB cards integrate multiple functional modules (such as signal processing, communication interface, power management, etc.), support compact installation, and save space.
Standardization and compatibility: in line with international standards (such as IEC, DNV-GL, etc.), support seamless connection with other ship systems (such as power system, navigation system), easy maintenance and upgrade.
Redundant design: key functional modules adopt redundant design (such as dual power supply, dual communication interface) to improve the system fault tolerance and ensure safe operation in case of failure.
Control function: it can control the operation of the ship’s mechanical equipment (such as engine, pump, valve, etc.) according to preset instructions or sensor feedback data. For example, when the ship needs to accelerate, the PCB card will adjust the power output of the engine.
Monitoring function: It can monitor the ship’s operating status (such as temperature, pressure, liquid level, vibration, etc.) in real time and transmit the data to the control center or display screen. If an abnormality is found (such as equipment overheating), it will trigger an alarm to remind the crew to deal with it in time.
Communication function: It can exchange data with other equipment or systems (such as navigation systems, radars, satellite communication equipment, etc.) to achieve information sharing and collaborative work. For example, when the radar detects an obstacle, the PCB card will pass the information to the automatic collision avoidance system.
Design requirements for ship PCB cards
In view of the particularity of the ship environment, PCB cards must meet the following stringent conditions:
Corrosion resistance: Use three-proof paint coating, immersion gold/gold plating process, etc. to resist the erosion of the circuit by high salt spray environment.
Anti-vibration and shock: Through the design of reinforcing component welding and adding support structure, it can withstand the continuous vibration and shock during the ship’s navigation.
Wide temperature adaptability: Select high temperature resistant substrates (such as polyimide) and wide temperature range components to ensure stable operation at extreme temperatures from -40℃ to +85℃.
Electromagnetic compatibility: optimize wiring, add shielding layer and filter circuit, and reduce the impact of electromagnetic interference on sensitive circuits.
Application scenarios of ship PCB cards
Ship PCB cards are widely used in the following systems:
Power propulsion system: control the speed of the main engine and the coordination of the propeller to achieve efficient energy management.
Navigation and communication system: support data processing of radar, satellite communication and other equipment to ensure navigation safety.
Automation control system: integrate PLC, DCS, etc. to realize centralized monitoring and intelligent scheduling of ship equipment.
Safety monitoring system: real-time monitoring of dangerous situations such as fire and flooding, trigger alarms and link emergency measures.
Crew living system: manage air conditioning, lighting and other equipment to improve the living comfort of crew members.
Development trend of ship PCB cards
With the increasing demand for ship intelligence and greening, PCB cards are developing in the following directions:
Integration and modularization: reduce the volume through highly integrated design, and the modular structure is easy to maintain and upgrade.
Intelligence and networking: integrate edge computing capabilities to support data sharing and remote diagnosis between devices.
Green and environmentally friendly: adopts lead-free process and low power consumption design, in line with international environmental regulations.
High reliability technology: applies self-repairing circuit, redundant power supply and other technologies to further improve system availability.
Summary
Ship PCB cards are the core components of ship electronic systems. They ensure the efficient and safe operation of various systems of ships through control, monitoring and communication functions. Its high reliability, integration, intelligence and standardized design enable ships to adapt to complex marine environments and improve navigation safety and operational efficiency. For non-professionals, it can be simply understood as: ship PCB cards are the “smart housekeepers” of ships, responsible for making various parts of the ship “obedient” and “cooperatively work”.\
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