Maritime law enforcement wharf boat anchor lamp automatic system
By adopting dual independent power supply systems and an automatic control system with dual protection of light control and astronomical time on maritime law enforcement pontoons, the problems of anchor light failure and misoperation in bad weather have been solved, the reliability and safety of the anchor light have been achieved, and maintenance costs have been reduced.
Patent Information
- Application Number
- CN202510932644.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-07
- Publication Date
- 2025-10-10
AI Technical Summary
The anchor light system of the maritime law enforcement pontoon has problems such as a fragile power supply system, backward control methods and lack of fault monitoring, which leads to the failure of the anchor light in bad weather, frequent misoperation and safety hazards.
It adopts a dual independent power supply system, combined with the dual protection of light control and astronomical time. Through the photosensitive circuit module, control unit module, relay module, power supply and control circuit module and network service module, it realizes automatic control and remote monitoring of the anchor light and has a fault alarm function.
Ensure the normal operation of anchor lights in severe weather, avoid misoperation, provide remote monitoring and fault alarms, reduce maintenance costs and operational risks, and improve safety and reliability.
Smart Images
Figure CN120769397A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of pontoon anchor light control systems, and in particular to an automatic system for maritime law enforcement pontoon anchor lights. Background Art
[0002] Motor vessels and non-self-propelled vessels must display a white all-around light when moored at night. Vessels over 50 meters in length must display a white all-around light at the front and rear. Furthermore, navigation lights must be powered by at least two independent power systems to ensure system stability and high reliability. Due to design flaws and aging wiring, the navigation lights and control systems of some maritime law enforcement pontoons are effectively unusable. Due to aging equipment, mooring lights and wiring have malfunctioned. Despite repairs, these systems still have issues, such as being powered only by mains electricity, not connected to the central control unit on the main distribution board, and requiring manual on / off operations.
[0003] Currently, the anchor signal lights on maritime law enforcement pontoons generally have three major technical defects: 1. The power supply system is fragile: it relies only on a single AC power line, without battery backup and automatic switching mechanism. The anchor lights fail during power outages in severe weather, violating the requirements of international conventions for dual independent power supplies; 2. The control method is backward: it relies on manual climbing to open and close or a single light control / timer, which is easily affected by environmental interference and cannot adapt to seasonal changes, resulting in frequent misoperation; 3. The lack of fault monitoring: abnormalities such as bulb damage and line short circuit require manual inspection to detect, and there is no real-time alarm function, which hides a hidden danger to navigation safety. Therefore, the present invention solves the shortcomings of the above technical problems. Summary of the Invention
[0004] Based on the above-mentioned existing technical problems, the present invention proposes an automatic anchor light system for maritime law enforcement pontoons.
[0005] The present invention proposes an automatic anchor light system for a maritime law enforcement pontoon, the automatic anchor light system comprising:
[0006] Anchor light.
[0007] Photosensitive circuit module: used to detect the light intensity of the surrounding environment and output control signals.
[0008] Control unit module: used to collect the control signal output by the photosensitive circuit module, and control the on and off of the relay according to the preset logic calculation, thereby controlling the lighting and extinguishing of the anchor light.
[0009] Relay module: used to control the on and off of the anchor light power supply according to the instructions of the control unit. The relay is equipped with power and switch indicator lights and provides two working modes: normally open and normally closed. This system uses the normally open end. After receiving the on control signal, the normally open end is connected to the common end, and the anchor light circuit is connected.
[0010] Power supply and control circuit module: used to provide two power supply modes: mains power and rechargeable battery, and realize automatic power supply management and fault alarm.
[0011] Network service module: provides a Web server interface to support remote status monitoring, parameter settings and fault alarms.
[0012] Preferably, the photosensitive circuit module includes:
[0013] Photodiode: used to detect the light intensity of the surrounding environment.
[0014] Potential comparator: used to compare the signal output by the photodiode with the preset threshold value and output a control signal based on the comparison result.
[0015] Adjustable resistor: used to adjust the preset threshold.
[0016] The above technical solution provides a reliable environmental perception foundation for anchor light control through a three-level link of optical and electrical conversion → threshold comparison → digital output, forming a dual guarantee of software and hardware with the astronomical time algorithm, effectively solving the false triggering problem of the traditional single light control mode.
[0017] Preferably, the photosensitive circuit module controls the anchor light switch according to its DO signal. When the photosensitive signal conflicts with the astronomical time, it switches to the astronomical time control. The DO terminal output rule is:
[0018] When the light intensity is less than or equal to the threshold, the output is high, indicating darkness.
[0019] When the light intensity is greater than the threshold, the output is low level, indicating bright.
[0020] With this technical solution, when light strikes the photodiode, its resistance decreases as light intensity increases. In the absence of light, its resistance is nearly insulated. Changes in ambient light intensity also affect the circuit. Thanks to the potentiometer comparator, the module outputs a high level at the DO port when there's no light or when the threshold is below the set value. When light intensity exceeds the threshold, the module outputs a low level. The threshold can be adjusted by adjusting the adjustable resistor VR1. The control unit reads the high and low level changes at the DO port to determine ambient light intensity, and the AD port outputs an analog value reflecting the light intensity.
[0021] Preferably, the power supply and control circuit module includes:
[0022] Mains power adapter: used to convert 220V mains power into the external power required by the system.
[0023] Lead-acid battery: used to power the system when the utility power is disconnected.
[0024] Power management module: used to realize automatic switching between mains power and battery power supply, and automatically charge the battery when the battery power is low.
[0025] Through the above technical solution, the lead-acid battery is 12V4AH, which has stable charging and discharging performance and low price, can meet the needs of this system, and the theoretical working time is about 16 hours. The input end of the power supply and control circuit module uses a 12V2A power adapter to convert 220V AC power into the external power supply required by this system. The output end 5V can power the control center. 12V is used as the power supply for the anchor light. When there is an external power supply, the system uses the external power supply. When the left external power supply fails, it automatically switches to the lead-acid battery for power supply. When the battery power is consumed, it will automatically charge from the external power supply until it is fully charged. This solution is based on hardware-level automatic switching + software intelligent management, which overcomes the reliability bottleneck of the maritime barge anchor light power supply system and combines regulatory compliance, safety and economy.
[0026] Preferably, the control unit module includes:
[0027] Astronomical function calculation module: used to calculate sunrise and sunset times based on local latitude and longitude data and accurate date and time to ensure that the anchor lights are lit normally at night.
[0028] Through the above technical solution, the system will first obtain two types of data in parallel, namely the DO-end digital signal of the photosensitive module and the theoretical night period obtained by astronomical calculations. When the two are consistent, the switch operation will be directly executed. When there is a disagreement, such as the photosensitive display shows that it is dark but the astronomical time is still daytime, the system will use the astronomical time as the standard and mark the photosensitive fault. This design not only prevents interference from tunnel lights, but also avoids the risk of sensor aging. The design uses the photosensitive signal as the main factor and the astronomical time as the auxiliary factor, so that when the photosensitive circuit module fails, it will automatically downgrade to astronomical mode. The dual systems are completely independent and there is no risk of single point failure.
[0029] Preferably, the network service module includes:
[0030] LED indicator light, used to display the system working status.
[0031] Web server, used to provide user interface and remote control interface.
[0032] Through the above technical solution, the traditional anchor light system has no network function at all, while this patent realizes remote centralized control through lightweight Web services. Through network connection, the system can be connected to the remote monitoring center to realize real-time monitoring and management of the pontoon anchor light system. The design of the LED indicator light is not just a simple switch display, but also reflects the fault classification alarm function, which can help to discover and solve problems in time and reduce maintenance costs.
[0033] Preferably, the service program run by the control unit module includes:
[0034] The fault detection module is used to monitor the power supply voltage and current, determine whether the anchor light has abnormal conditions such as bulb damage or line short circuit, and issue an alarm by flashing the LED indicator and sending a warning message.
[0035] Through the above technical solution, by real-time monitoring of the power supply voltage and current, the system can proactively detect potential faults such as bulb damage and line short circuits, avoiding the failure of anchor lights due to untimely detection of faults, and ensuring the safety warning function when the pontoon is anchored at night. The active fault detection and alarm function helps to solve problems in the bud, avoiding large-scale repairs or replacements caused by the expansion of small faults. At the same time, it also reduces fines or liability accidents that may be caused by the failure of anchor lights, thereby reducing overall maintenance costs and operational risks.
[0036] Preferably, the anchor light adopts a wide-range low-voltage DC waterproof LED bulb, which is connected to a 12V power circuit through a relay module.
[0037] Through the above technical solution, the waterproof LED bulb has the advantages of high brightness, low heat generation, high energy efficiency, long life, etc. compared with traditional incandescent lamps, and can better meet the working requirements of anchor lights.
[0038] Preferably, the control unit module is a microcontroller or development board based on ARM architecture, which is programmed through multi-threading.
[0039] Through the above technical solution, the control unit module is the core of this system. On the one hand, it needs to collect signals from each unit and issue action instructions. On the other hand, it also needs to run the Web server and perform certain data calculations. Therefore, a low-power ARM development board with rich interfaces such as GPIO and network card and running a complete operating system is selected. This system chooses the more popular Raspberry Pi as the core control unit.
[0040] Preferably, the network service module provides the following remote operation interface:
[0041] Manual switch anchor light.
[0042] Forces the power mode to switch.
[0043] Modify the photosensitivity threshold and astronomical calculation parameters.
[0044] This technical solution allows users to manually turn on and off the anchor lights or force a power switch via a remote interface without having to physically visit the pontoon. This significantly saves time and improves response times, especially in emergency situations. Remotely modifying the light sensitivity threshold allows the system to adapt to varying lighting conditions in different seasons and weather conditions, or fine-tune it based on the specific environment of the pontoon. This ensures that the anchor lights illuminate when needed and avoids false triggering. Remotely modifying astronomical calculation parameters ensures the accuracy of sunrise and sunset times, adapting to possible pontoon displacement or clock calibration needs.
[0045] The beneficial effects of the present invention are:
[0046] 1. By setting up dual independent power supplies, the system uses both mains power and rechargeable batteries, which switch automatically. This ensures the normal operation of the anchor light even in severe weather power outages. At the same time, the system can automatically charge the battery and manage power, extending the battery life and ensuring a stable and reliable power supply system.
[0047] 2. By setting up dual protection of light control and astronomical time, it combines photosensors and astronomical algorithms to automatically control the lighting and extinguishing of anchor lights according to ambient light intensity and sunrise and sunset times, avoiding misoperation and missed operations. The system also provides a Web server interface that supports remote status monitoring, parameter setting and fault alarm, making it convenient for management personnel to conduct centralized management and maintenance.
[0048] 3. The system can monitor the power supply voltage and current in real time, and promptly detect abnormal conditions such as bulb damage and line short circuit, and issue alarms through LED indicators and warning messages to avoid failure of anchor lights due to faults. The active fault detection and alarm functions help to discover and solve problems in a timely manner, avoid large-scale repairs or replacements caused by small faults, and reduce overall maintenance costs and operational risks. BRIEF DESCRIPTION OF THE DRAWINGS
[0049] Figure 1 This is a schematic diagram of an automatic anchor light system for maritime law enforcement pontoons proposed by the present invention;
[0050] Figure 2 This is a circuit diagram of a photosensitive circuit module of an automatic anchor light system for a maritime law enforcement pontoon proposed by the present invention;
[0051] Figure 3 This is a circuit diagram of the power supply and control circuit module of the automatic system for the anchor light of a maritime law enforcement pontoon proposed by the present invention. DETAILED DESCRIPTION
[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0053] Reference Figure 1-Figure 3 , an automatic anchor light system for a maritime law enforcement pontoon, the automatic anchor light system comprising:
[0054] Anchor light.
[0055] Photosensitive circuit module: used to detect the light intensity of the surrounding environment and output control signals.
[0056] Control unit module: used to collect the control signal output by the photosensitive circuit module, and control the on and off of the relay according to the preset logic calculation, thereby controlling the lighting and extinguishing of the anchor light.
[0057] Relay module: used to control the on and off of the anchor light power supply according to the instructions of the control unit. The relay is equipped with power and switch indicator lights and provides two working modes: normally open and normally closed. This system uses the normally open end. After receiving the on control signal, the normally open end is connected to the common end, and the anchor light circuit is connected.
[0058] Power supply and control circuit module: used to provide two power supply modes: mains power and rechargeable battery, and realize automatic power supply management and fault alarm.
[0059] Network service module: provides a Web server interface to support remote status monitoring, parameter settings and fault alarms.
[0060] The photosensitive circuit module includes:
[0061] Photodiode: used to detect the light intensity of the surrounding environment.
[0062] Potential comparator: used to compare the signal output by the photodiode with the preset threshold value and output a control signal based on the comparison result.
[0063] Adjustable resistor: Used to adjust the preset threshold. Through a three-level link of light-to-electricity conversion → threshold comparison → digital output, it provides a reliable environmental perception foundation for anchor light control. Together with the astronomical time algorithm, it forms a dual hardware and software guarantee, effectively solving the false triggering problem of traditional single light control mode.
[0064] The photosensitive circuit module controls the anchor light switch according to its DO signal. When the photosensitive signal conflicts with the astronomical time, it switches to the astronomical time control. The DO terminal output rule is:
[0065] When the light intensity is less than or equal to the threshold, the output is high, indicating darkness.
[0066] When light intensity exceeds the threshold, the output is low, indicating brightness. When light strikes the photodiode, its resistance decreases as light intensity increases. In the absence of light, its resistance is nearly insulated. Changes in ambient light intensity also affect the circuit. Thanks to the potentiometer comparator, the module outputs a high level at the DO port in the absence of light or when the threshold is not reached. When light intensity exceeds the threshold, the module outputs a low level. The threshold can be adjusted by adjusting the adjustable resistor VR1. The control unit reads the high and low level changes at the DO port to determine ambient light intensity. The AD port outputs an analog value reflecting the light intensity.
[0067] The power supply and control circuit module includes:
[0068] Mains power adapter: used to convert 220V mains power into the external power required by the system.
[0069] Lead-acid battery: used to power the system when the utility power is disconnected.
[0070] Power management module: used to achieve automatic switching between mains power and battery power supply, and automatically charge when the battery is low. The lead-acid battery is 12V4AH, which has stable charging and discharging performance and low price, can meet the needs of this system, and has a theoretical working time of about 16 hours. The input end of the power supply and control circuit module uses a 12V2A power adapter to convert 220V mains power into the external power supply required by this system. The output end 5V can power the control center. 12V is used as the power supply for the anchor light. When an external power supply is available, the system uses the external power supply. When the left external power supply fails, it automatically switches to lead-acid battery power supply. When the battery power is depleted, it will automatically charge from the external power supply until it is fully charged. This solution, with hardware-level automatic switching + software intelligent management as the core, has overcome the reliability bottleneck of the maritime barge anchor light power supply system, and has both regulatory compliance, safety and economy.
[0071] By setting up dual independent power supplies, the system uses both AC power and rechargeable batteries, which switch automatically. This ensures the normal operation of the anchor light even during power outages in severe weather. At the same time, the system can automatically charge the battery and manage power, extending the battery life and ensuring a stable and reliable power supply system.
[0072] The control unit module includes:
[0073] Astronomical function calculation module: used to calculate the sunrise and sunset times based on local latitude and longitude data and precise date and time to ensure that the anchor lights are lit normally at night. First, the system will obtain two types of data in parallel, namely the DO-end digital signal of the photosensitive module and the theoretical night period obtained by astronomical calculation. When the two are consistent, the switch operation is directly executed. When there is a disagreement, such as the photosensitive display shows that it is dark but the astronomical time is still daytime, the system will take the astronomical time as the standard and mark the photosensitive fault. This design not only prevents interference from tunnel lights, but also avoids the risk of sensor aging. The design of using photosensitive signals as the main method and astronomical time as the auxiliary method makes it automatically downgrade to astronomical mode when the photosensitive circuit module fails. The dual systems are completely independent and there is no risk of single point failure.
[0074] The network service module includes:
[0075] LED indicator light, used to display the system working status.
[0076] The web server is used to provide a user interface and remote control interface. Traditional anchor light systems have no network function at all, while this patent realizes remote centralized control through lightweight web services. Through network connection, the system can be connected to the remote monitoring center to realize real-time monitoring and management of the pontoon anchor light system. The design of the LED indicator light is not just a simple switch display, but also reflects the fault classification alarm function, which can help to discover and solve problems in time and reduce maintenance costs.
[0077] The service program run by the control unit module includes:
[0078] The fault detection module is used to monitor the power supply voltage and current, determine whether the anchor light has abnormal conditions such as bulb damage or line short circuit, and issue an alarm by flashing the LED indicator and sending a warning message. By monitoring the power supply voltage and current in real time, the system can proactively detect potential faults such as bulb damage and line short circuit, avoiding the failure of the anchor light due to untimely detection of the fault, ensuring the safety warning function when the pontoon is anchored at night. The active fault detection and alarm function helps to solve problems in the bud, avoiding large-scale repairs or replacements caused by the expansion of small faults, and also reduces fines or liability accidents that may be caused by the failure of the anchor light, thereby reducing overall maintenance costs and operational risks.
[0079] The system can monitor the power supply voltage and current in real time, promptly detect abnormal conditions such as bulb damage and line short circuit, and issue alarms through LED indicators and warning messages to avoid anchor light failure due to faults. The active fault detection and alarm functions help to discover and solve problems in a timely manner, avoid large-scale repairs or replacements caused by small faults, and reduce overall maintenance costs and operational risks.
[0080] The anchor light adopts a wide-width low-voltage DC waterproof LED bulb, which is connected to a 12V power supply circuit through a relay module. Compared with traditional incandescent lamps, the waterproof LED bulb has the advantages of high brightness, low heat generation, high energy efficiency, and long life, and can better meet the working requirements of the anchor light.
[0081] The control unit module is a microcontroller or development board based on the ARM architecture. It is programmed through multi-threading. The control unit module is the core of this system. On the one hand, it needs to collect signals from each unit and issue action instructions. On the other hand, it also needs to run a Web server and perform certain data calculations. Therefore, a low-power ARM development board with rich interfaces such as GPIO and network card and running a complete operating system is selected. This system chooses the more popular Raspberry Pi as the core control unit.
[0082] The network service module provides the following remote operation interfaces:
[0083] Manual switch anchor light.
[0084] Forces the power mode to switch.
[0085] Modifying the light sensitivity threshold and astronomical calculation parameters allows users to manually turn the anchor lights on and off, or force a power switch, through a remote interface without having to visit the pontoon. This significantly saves time and improves response times, especially in emergency situations. Remotely modifying the light sensitivity threshold allows the system to adapt to changing lighting conditions in different seasons and weather conditions, or to fine-tune the system based on the specific environment of the pontoon, ensuring that the anchor lights illuminate when needed and avoiding false triggering. Remotely modifying astronomical calculation parameters ensures the accuracy of sunrise and sunset times, adapting to possible pontoon displacement or clock calibration needs.
[0086] By setting up dual protection of light control and astronomical time, it combines photosensors and astronomical algorithms to automatically control the lighting and extinguishing of anchor lights according to ambient light intensity and sunrise and sunset times, avoiding misoperation and missed operations. The system also provides a Web server interface that supports remote status monitoring, parameter setting and fault alarms, making it convenient for management personnel to conduct centralized management and maintenance.
[0087] Working Principle: In a specific embodiment of the present invention, the photosensitive circuit module detects the light intensity of the surrounding environment based on the photoelectric sensor, converts the analog-to-digital conversion and outputs a control signal. After the control unit collects the signal, it controls the relay on and off according to a preset logic calculation. In order to eliminate the influence of the photoelectric sensor not working properly due to factors such as aging and failure, the control unit can calculate the sunrise and sunset times of the local area based on astronomical functions, thereby ensuring that the anchor light can be lit normally at night;
[0088] The relay module controls the on and off of the anchor light power supply according to the signal output by the control unit;
[0089] Normally, the entire control system and anchor light operate in mains power mode. When the mains power is disconnected, it automatically switches to battery power and issues an alarm signal. When it detects that the battery power reaches the preset value and the mains power is restored, it automatically starts charging. In addition, by monitoring the power supply voltage and voltage, it can be determined whether the anchor light has abnormal conditions such as bulb damage and line short circuit. The main alarm methods include flashing the corresponding LED, sending warning information through program interface, SMS gateway or email, etc.
[0090] The control unit runs a service program to continuously collect data from various sensors, and displays the system working status through LED indicators and Web servers, and interacts with users through Web services, such as presetting the system, forcibly switching power modes, etc.
[0091] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. An automatic anchor light system for maritime law enforcement pontoons, characterized by: The anchor light automatic system includes: anchor lights; Photosensitive circuit module: used to detect the light intensity of the surrounding environment and output control signals; Control unit module: used to collect the control signal output by the photosensitive circuit module and control the on and off of the relay according to the preset logic calculation, thereby controlling the lighting and extinguishing of the anchor light; Relay module: used to control the on and off of the anchor light power supply according to the instructions of the control unit; Power supply and control circuit module: used to provide two power supply modes: mains electricity and rechargeable battery, and realize automatic power supply management and fault alarm; Network service module: provides a Web server interface to support remote status monitoring, parameter settings and fault alarms.
2. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The photosensitive circuit module includes: Photodiode: used to detect the light intensity of the surrounding environment; Potential comparator: used to compare the signal output by the photodiode with the preset threshold value and output a control signal based on the comparison result; Adjustable resistor: used to adjust the preset threshold.
3. The automatic anchor light system for maritime law enforcement pontoons according to claim 2, characterized in that: The photosensitive circuit module controls the anchor light switch according to its DO signal. When the photosensitive signal conflicts with the astronomical time, it switches to the astronomical time control. The DO terminal output rule is: When the light intensity is less than or equal to the threshold, the output is high, indicating darkness. When the light intensity is greater than the threshold, the output is low level, indicating bright.
4. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The power supply and control circuit module includes: Mains power adapter: used to convert 220V mains power into the external power required by the system; Lead-acid battery: used to power the system when the mains is disconnected; Power management module: used to realize automatic switching between mains power and battery power supply, and automatically charge the battery when the battery power is low.
5. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The control unit module includes: Astronomical function calculation module: used to calculate sunrise and sunset times based on local latitude and longitude data and accurate date and time to ensure that the anchor lights are lit normally at night.
6. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The network service module includes: LED indicator light, used to display the system working status; Web server, used to provide user interface and remote control interface.
7. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The service program run by the control unit module includes: The fault detection module is used to monitor the power supply voltage and current, determine whether the anchor light has abnormal conditions such as bulb damage or line short circuit, and issue an alarm by flashing the LED indicator and sending a warning message.
8. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The anchor light adopts a wide-range low-voltage DC waterproof LED bulb and is connected to a 12V power circuit through a relay module.
9. The automatic anchor light system for maritime law enforcement pontoons according to claim 5, characterized in that: The control unit module is a microcontroller or development board based on ARM architecture, which is programmed through multi-threading.
10. The automatic anchor light system for maritime law enforcement pontoons according to claim 1, characterized in that: The network service module provides the following remote operation interfaces: Manual switch anchor light; Force switching of power mode; Modify the photosensitivity threshold and astronomical calculation parameters.