CN113093518B - Unmanned ship redundant energy monitoring system and monitoring method - Google Patents
Unmanned ship redundant energy monitoring system and monitoring method Download PDFInfo
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- CN113093518B CN113093518B CN202110370939.7A CN202110370939A CN113093518B CN 113093518 B CN113093518 B CN 113093518B CN 202110370939 A CN202110370939 A CN 202110370939A CN 113093518 B CN113093518 B CN 113093518B
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a redundant energy monitoring system and a monitoring method for an unmanned ship, wherein the system comprises a generator monitoring module, a UPS monitoring control module, a battery monitoring control module, a master control unit, a power supply control unit and a communication unit; the generator monitoring module is used for monitoring the alternating voltage, current and frequency output by the generator and the information of internal oil pressure and oil temperature; the UPS monitoring control module is used for acquiring input and output voltage, current and temperature information of the UPS in real time; the battery monitoring control module is used for acquiring input and output voltage and current information of the battery in real time; the master control unit sends the related information to the control personnel for checking through the communication unit; and the power supply control unit realizes the control of the energy system when the master control unit has a problem. The invention can realize the control of the energy system with multiple channels and different levels in a multi-mode redundancy mode, thereby ensuring the safety and reliability of the energy supply of the system.
Description
Technical Field
The invention belongs to the technical field of ocean engineering and electronic engineering, and particularly relates to a redundant energy monitoring system and a redundant energy monitoring method for an unmanned ship.
Background
Unmanned ship is the important instrument of development, observation ocean, and more unmanned ship is used for ocean resource exploration, topography survey, and channel safety monitoring. The unmanned ship with high speed and large tonnage has high requirements on energy safety. The energy system specifically comprises a hardware system and a control method thereof. At present, most of unmanned ship energy systems adopt a single power supply mode of a battery, a generator or ups, and the redundancy, safety and controllability of the system are low; the communication information and state monitoring data flow related to the control of the energy system are analyzed, processed and executed through the main control unit, the dependence degree of the system on the main control unit is extremely high, and the complexity of the main control unit is improved, and the reliability is reduced. Under the condition that a certain part of the energy module or the main control unit is down, system power supply and corresponding information flow interruption are easily caused, the action of an actuating mechanism cannot be realized, and further the whole system is paralyzed, and the safety accident that the unmanned ship is out of control occurs.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a redundant energy monitoring system and a monitoring method for the unmanned ship, and the system can realize multi-channel and different-level control of an energy system in a multi-mode redundancy mode, thereby ensuring the safety and reliability of energy supply of the system; in addition, the working states of the energy systems at different levels are monitored through voltage and current measuring equipment, and information return and control command issuing are completed in various different communication modes such as satellite, wireless, wifi and network bridge, so that control of the energy systems at different levels is completed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a redundant energy monitoring system of an unmanned ship, which comprises a generator monitoring module, a UPS monitoring control module, a battery monitoring control module, a master control unit, a power supply control unit and a communication unit, wherein the generator monitoring module is used for monitoring the power supply of the unmanned ship;
the generator monitoring module is used for monitoring the output alternating voltage, current, frequency, internal oil pressure and oil temperature information of the generator;
the UPS monitoring control module is used for acquiring input and output voltage, current and temperature information of the UPS in real time, sending the information to the master control unit and the power supply control unit, and converting the output voltage into 24V and outputting the 24V to a JB1 interface of the power supply control unit;
the battery monitoring control module is used for acquiring input and output voltage and current information of the battery in real time, transmitting the input and output voltage and current information to the master control unit and the power supply control unit, and converting the output voltage into 18V and outputting the 18V to the JB2 interface of the power supply control unit;
the master control unit collects the state information of the voltage and the current of the generator, the UPS and the battery through a 485 bus and a network, sends a generator restart command or turns off a corresponding relay to prevent the equipment from being damaged by continuous abnormal charging and discharging according to the abnormal state of the power supply voltage or the current, sends the related information to a controller through the communication unit for the controller to check, so that the controller can judge the current state of the energy system and simultaneously execute a command of turning off/on the relay and restarting the generator, wherein the command is sent by the controller;
the power supply control unit monitors the state of the master control unit in real time through heartbeat packet data, and when the master control unit fails, the power supply control unit controls the energy system;
the communication unit is powered by the power supply control unit and is used for sending the information of the energy system to a controller, receiving the instruction of the controller and transmitting the instruction to the corresponding control module or control unit.
As a preferred technical solution, the UPS monitoring control module includes: the device comprises a communication device, a voltage conversion device, an input/output relay, a current-limiting safety input/output device, an input voltage and current monitoring circuit, an output voltage and current monitoring circuit and a temperature monitoring circuit;
the communication device is used for receiving instructions sent by the master control unit, the power supply control unit or the wifi and the network bridge connecting equipment;
the voltage conversion device is used for converting the input voltage into the voltage required by output;
the input and output relay is used for realizing the on-off action of an input and output circuit of the UPS;
the current-limiting safety input and output device is used for realizing the current limiting of the UPS;
the input voltage and current monitoring circuit converts alternating current voltage into direct current voltage by using a rectifier and a voltage stabilizing capacitor, converts the alternating current into voltage signals by using a Hall sensor and an amplifier, uniformly converts the voltage signals into digital codes which can be identified by a master control unit by outputting the digital codes to an AD sampling end, and sends the digital codes to a 485 bus for realizing real-time monitoring of the input voltage and current;
the output voltage and current monitoring circuit converts current into voltage by using a current measuring resistor, uniformly converts a voltage signal into a digital code which can be identified by a master control unit through an AD sampling end, and sends the digital code to a 485 bus for realizing real-time monitoring of output voltage and current;
and the temperature monitoring circuit is used for monitoring the air temperature in the UPS.
As a preferable technical solution, the input voltage and current detection circuit, the output voltage and current detection circuit and the temperature detection circuit are on the same 485 communication bus.
As a preferred technical scheme, the power supply control unit is communicated with the master control unit through a network, after a heartbeat packet is received, a packet header is verified, CRC (cyclic redundancy check) is completed, effective heartbeat packet data is compared with the current time, and if the time information is consistent and the master control unit status byte is effective, whether the master control unit works normally is judged; under the normal condition of the master control unit, the power supply control unit only executes the instruction of the master control unit and does not perform any other operation, otherwise, the redundant state monitoring is realized by sending a state reading instruction to the UPS monitoring control module and the battery monitoring control module and returning information to the receiver, the UPS monitoring control module and the battery monitoring control module are monitored, the communication unit is ensured to be powered normally, and abnormal information is sent to a controller for the controller to judge the system state; the battery monitoring control module can be used as a backup power supply, and seamless switching of the power supply can be realized under the condition that the output of the UPS monitoring control module is abnormal; under the extreme condition that the battery is abnormal, control instruction transmission under the condition that no external power supply exists is realized through energy storage of the internal capacitor C1, so that the engine and the UPS complete shutdown operation, and the unmanned ship is prevented from sailing continuously under the out-of-control state.
As an optimized technical scheme, the master control unit monitors and controls the state of the generator and starts the generator through a 485 bus, monitors and controls information such as input and output voltages and currents of the UPS monitoring control module and the battery monitoring control module through reading data signals on the bus and a network, automatically triggers corresponding relays to act according to the current state and abnormal conditions of the system, sends corresponding abnormal codes and realizes monitoring and control of different devices.
As a preferred technical scheme, the power supply control unit is provided with a power supply input interface, when the voltage of the JB1 is higher than that of the JB2, the D2 is cut off and the JB1 supplies power, and when the JB1 does not have input, the D2 is switched on and the JB2 supplies power; under the condition that the positive and negative of the JB1 power supply are reversely connected, the F1 self-recovery fuse is disconnected after short circuit, reverse connection prevention protection of the circuit is realized, and power supply can be recovered after the power supply is correctly connected.
As an optimal technical scheme, the generator monitoring module is connected with the master control unit through a 485 monitoring bus, and the master control unit is connected with the generator through the 485 control bus.
As a preferred technical solution, the communication unit includes a radio communication unit, a satellite communication unit, a wifi communication unit and a network bridge communication unit.
The invention provides a control method of redundant energy of an unmanned ship, which has three redundant power supply modes of a generator, a UPS and a battery, and automatically controls the three redundant energy, and comprises the following steps:
judging whether the generator works normally, if the voltage ripple is smaller than a preset value, the voltage mean value is larger than 200V, and the current value does not exceed the preset value, judging the generator to be normal, and charging the UPS monitoring control module by using the generator, otherwise, judging the generator to be abnormal, executing abnormal operation 1, namely disconnecting the network relay, and sending an abnormal code 0x01;
judging whether the UPS monitoring control module works normally, if 220V is input and 24V is output, and the input and output currents do not exceed a preset value, judging the UPS module works normally, charging a battery by using the UPS, supplying power to a power supply control unit, and if the UPS module judges the UPS module to be abnormal, executing abnormal operation 2, namely disconnecting an input and output relay of the UPS monitoring control unit, and sending an abnormal code 0x02;
and judging whether the battery monitoring control module works normally, if the voltage of 24V is input and 12V is output stably, judging that the input current and the output current do not exceed a preset value normally, using a battery to supply power to the power supply control unit, if the input current and the output current are judged to be abnormal, executing abnormal operation 3, namely disconnecting an output relay of the battery monitoring control unit, controlling the whole system to stop by means of energy storage in a capacitor C1, and sending a stop instruction and an abnormal code 0x03.
As a preferred technical scheme, when the generator is judged to be normal, the network relay is closed;
when the UPS monitoring control module is judged to be normal, the network relay is closed;
and when the battery monitoring control module is judged to be normal, the network relay is closed.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the technical scheme that the generator, the UPS and the battery are used for redundant power supply, and the master control unit and the power supply control unit are used for redundant control is adopted, so that the technical problem that redundant power supply cannot be realized under the condition that the unmanned ship is powered by a single energy source is solved, and the technical effect of realizing high reliability and redundant power supply for the unmanned ship is achieved.
The invention can realize the control of the energy system with multiple channels and different levels in a multi-mode redundancy mode, thereby ensuring the safety and reliability of the energy supply of the system.
The invention monitors the working states of the energy systems of different levels through voltage and current measuring equipment, and finishes the return of information and the issuing of control commands by using various different communication modes such as satellites, wireless, wifi and network bridges, so as to finish the control of the energy systems of different levels.
Drawings
FIG. 1 is a schematic diagram of a hardware system of the present invention;
FIG. 2 is a schematic diagram of a UPS monitoring control module according to the present invention;
FIG. 3 is a schematic diagram of a battery monitoring control module according to the present invention;
FIG. 4 is a redundant power supply circuit of the power supply control unit of the present invention;
fig. 5 is a flowchart of a method for controlling an energy system according to the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
As shown in fig. 1, the unmanned surface vehicle energy system and the safety control method provided by the present invention includes a generator monitoring module, a UPS monitoring control module, a battery monitoring control module, a master control unit, a power supply control unit, and a communication unit;
the generator monitoring module collects information such as voltage, current, frequency, oil pressure and oil temperature of the engine in real time and sends the information to the master control unit and the power supply control unit;
the UPS monitoring control module collects information such as input and output voltage, current, temperature and the like of the UPS in real time, sends the information to the master control unit and the power supply control unit, and converts the output voltage into 24V and outputs the 24V output to a JB1 interface of the power supply control unit;
the battery monitoring control module collects information such as input and output voltage, current and the like of the battery in real time, sends the information to the master control unit and the power supply control unit, and converts the output voltage into 18V and outputs the 18V to the JB2 interface of the power supply control unit;
the master control unit sends the related information to the control personnel through the training unit for checking, so that the control personnel can make a decision and execute the instruction sent by the control personnel;
the power supply control unit monitors the state of the master control unit in real time through heartbeat packet data, and when the master control unit fails, the power supply control unit controls the energy system; the power supply control unit is provided with a power supply input interface shown in fig. 4, when the voltage of the JB1 is higher than that of the JB2, the D2 is cut off and the JB1 supplies power, and when the JB1 does not input, the D2 is switched on and the JB2 supplies power; under the condition that the positive and negative of the JB1 power supply are reversely connected, the F1 self-recovery fuse is disconnected after short circuit, reverse connection prevention protection of the circuit is realized, and power supply can be recovered after the power supply is correctly connected.
Further, the master control unit collects state information such as voltage and current of the generator, the UPS and the battery through a 485 bus and a network, sends a generator restart command or turns off a corresponding relay to prevent damage to equipment caused by continuous abnormal charging and discharging according to abnormal states such as power supply voltage or current, sends related information to a controller through the communication unit for the controller to check, judges the current energy system state, and simultaneously executes commands such as turning off/on the relay issued by the controller, and restarting the generator.
Furthermore, the communication unit is powered by the power supply control unit, and is used for sending the information of the energy system to a controller, receiving the instruction of the controller and transmitting the instruction to the corresponding control module or control unit.
Further, the UPS monitoring control module includes: the device comprises a communication device, a voltage conversion device, an input/output relay, a current-limiting safety input/output device, an input voltage and current monitoring circuit, an output voltage and current monitoring circuit and a temperature monitoring circuit;
the communication device is used for receiving instructions sent by the master control unit, the power supply control unit or the wifi and the network bridge connecting equipment;
the voltage conversion device is used for converting the input voltage into the voltage required by output;
the input and output relay is used for realizing the on-off action of an input and output circuit of the UPS;
the current-limiting safety input and output device is used for realizing the current limiting of the input and the output of the UPS;
the input voltage and current monitoring circuit converts alternating current voltage into direct current voltage by using a rectifier and a voltage stabilizing capacitor, converts the alternating current into voltage signals by using a Hall sensor and an amplifier, uniformly converts the voltage signals into digital codes which can be identified by a master control unit by outputting the digital codes to an AD sampling end, and sends the digital codes to a 485 bus for realizing real-time monitoring of the input voltage and current;
the output voltage and current monitoring circuit converts current into voltage by using a current measuring resistor, uniformly converts a voltage signal into a digital code which can be identified by a master control unit through an AD sampling end, and sends the digital code to a 485 bus for realizing real-time monitoring of output voltage and current;
the temperature monitoring circuit is used for monitoring the air temperature in the UPS;
the 485 communication bus of the input voltage and current detection circuit, the output voltage and current detection circuit and the temperature detection circuit saves serial port resources of the master control unit and realizes the purpose.
Further, the power supply control unit is communicated with the master control unit through a network, after the heartbeat packet is received, the packet header is verified, the CRC is completed, the time data in the valid heartbeat packet data is compared with the current time, and if the time information is consistent and the master control unit status byte is valid, whether the master control unit works normally is judged; the master control unit only executes the instruction of the master control unit under the normal condition, and does not perform any other operation, otherwise, the redundant state monitoring is realized by sending a state reading instruction to the UPS monitoring control module and the battery monitoring control module and returning information to the receiver, the UPS monitoring control module and the battery monitoring control module are monitored, the communication unit is ensured to be normally powered, and the abnormal information is sent to a controller for the controller to judge the system state; the battery monitoring control module is used as a backup power supply, and the seamless switching of the power supply can be realized under the condition that the output of the UPS monitoring control module is abnormal; under the extreme condition that the battery is abnormal, the control instruction is sent under the condition that no external power supply exists through the energy stored in the internal capacitor C1, so that the engine, the UPS and the like complete the shutdown operation, and the unmanned ship is prevented from continuing to sail under the out-of-control state
Furthermore, the master control unit monitors and controls the state of the generator and the starting control of the generator through a 485 bus, monitors and controls the input, output voltage, current and other information of the UPS monitoring control module and the battery monitoring control module through reading data signals on the bus and the network, automatically triggers corresponding relays to act according to the current state and abnormal conditions of the system, sends corresponding abnormal codes, and realizes monitoring control of different devices.
As shown in fig. 5, in another embodiment of the present invention, a method for controlling a redundant energy monitoring system of an unmanned ship is provided, which operates in a main control unit and a power supply control unit to implement automatic control of an energy system, and includes:
step 1: judging whether the generator works normally, if the voltage ripple is smaller than a preset value, the voltage mean value is larger than 200V, and the current value does not exceed the preset value, judging the generator to be normal, charging the UPS monitoring control module by using the generator, otherwise, judging the generator to be abnormal, executing abnormal operation 1, namely disconnecting the network relay, and sending an abnormal code 0x01;
step 2: judging whether the UPS monitoring control module works normally, if 220V is input and 24V is output, and the input and output currents do not exceed a preset value, judging the UPS module works normally, charging a battery by using the UPS, supplying power to a power supply control unit, and if the UPS module judges the UPS module to be abnormal, executing abnormal operation 2, namely disconnecting an input and output relay of the UPS monitoring control unit, and sending an abnormal code 0x02;
and step 3: and judging whether the battery monitoring control module works normally, if the voltage of 24V is input and 12V is output stably, judging that the input current and the output current do not exceed a preset value normally, using a battery to supply power to the power supply control unit, if the input current and the output current are judged to be abnormal, executing abnormal operation 3, namely disconnecting an output relay of the battery monitoring control unit, controlling the whole system to stop by means of energy storage in a capacitor C1, and sending a stop instruction and an abnormal code 0x03.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. The unmanned ship redundant energy monitoring system is characterized by comprising a generator monitoring module, a UPS monitoring control module, a battery monitoring control module, a master control unit, a power supply control unit and a communication unit;
the generator monitoring module is used for monitoring the output alternating voltage, current, frequency, internal oil pressure and oil temperature information of the generator;
the UPS monitoring control module is used for acquiring input and output voltage, current and temperature information of the UPS in real time, sending the information to the master control unit and the power supply control unit, and converting the output voltage into 24V and outputting the 24V to a JB1 interface of the power supply control unit; the UPS monitoring control module comprises: the device comprises a communication device, a voltage conversion device, an input/output relay, a current-limiting safety input/output device, an input voltage and current monitoring circuit, an output voltage and current monitoring circuit and a temperature monitoring circuit;
the communication device is used for receiving instructions sent by the master control unit, the power supply control unit or the wifi and the network bridge connecting equipment;
the voltage conversion device is used for converting the input voltage into the voltage required by output;
the input and output relay is used for realizing the on-off action of an input and output circuit of the UPS;
the current-limiting safety input and output device is used for realizing the current limiting of the input and the output of the UPS;
the input voltage and current monitoring circuit converts alternating current voltage into direct current voltage by using a rectifier and a voltage stabilizing capacitor, converts the alternating current into voltage signals by using a Hall sensor and an amplifier, uniformly converts the voltage signals into digital codes which can be identified by a master control unit by outputting the digital codes to an AD sampling end, and sends the digital codes to a 485 bus for realizing real-time monitoring of the input voltage and current;
the output voltage and current monitoring circuit converts current into voltage by using a current measuring resistor, uniformly converts a voltage signal into a digital code which can be identified by a master control unit through an AD sampling end, and sends the digital code to a 485 bus for realizing real-time monitoring of output voltage and current;
the temperature monitoring circuit is used for monitoring the air temperature in the UPS;
the battery monitoring control module is used for acquiring input and output voltage and current information of the battery in real time, transmitting the input and output voltage and current information to the master control unit and the power supply control unit, and converting the output voltage into 18V and outputting the 18V to the JB2 interface of the power supply control unit;
the master control unit collects the state information of the voltage and the current of the generator, the UPS and the battery through a 485 bus and a network, sends a generator restart command or turns off a corresponding relay to prevent the equipment from being damaged by continuous abnormal charging and discharging according to the abnormal state of the power supply voltage or the current, sends the related information to a controller through the communication unit for the controller to check, so that the controller can judge the current state of the energy system and simultaneously execute a command of turning off/on the relay and restarting the generator, wherein the command is sent by the controller;
the power supply control unit monitors the state of the master control unit in real time through heartbeat packet data, and when the master control unit has a problem, the power supply control unit controls an energy system; the power supply control unit is communicated with the master control unit through a network, after receiving the heartbeat packet, the power supply control unit verifies a packet header, completes CRC (cyclic redundancy check), compares the time data with the current time of the effective heartbeat packet data, and judges whether the master control unit normally works or not if the time information is consistent and the master control unit byte is effective; the master control unit only executes the instruction of the master control unit under the normal condition, and does not perform any other operation, otherwise, the redundant state monitoring is realized by sending a state reading instruction to the UPS monitoring control module and the battery monitoring control module and returning information to the receiver, the UPS monitoring control module and the battery monitoring control module are monitored, the communication unit is ensured to be normally powered, and the abnormal information is sent to a controller for the controller to judge the system state; the battery monitoring control module can be used as a backup power supply, and seamless switching of the power supply can be realized under the condition that the output of the UPS monitoring control module is abnormal; under the extreme condition that the battery is abnormal, the energy is stored by the internal capacitor C1 to realize the sending of a control instruction under the condition that no external power supply exists, so that the engine and the UPS complete the shutdown operation, and the unmanned ship is prevented from continuing to sail under the out-of-control state;
the communication unit is powered by the power supply control unit, is used for sending the information of the energy system to a controller, receiving the instruction of the controller and transmitting the instruction to the corresponding control module or control unit;
the unmanned ship redundant energy monitoring system has three redundant power supply modes of a generator, a UPS and a battery, and automatically controls the three redundant energy sources, wherein the control modes are as follows:
judging whether the generator works normally, if the voltage ripple is smaller than a preset value, the voltage mean value is larger than 200V, and the current value does not exceed the preset value, judging the generator to be normal, and charging the UPS monitoring control module by using the generator, otherwise, judging the generator to be abnormal, executing abnormal operation 1, namely disconnecting the network relay, and sending an abnormal code 0x01;
judging whether the UPS monitoring control module works normally, if 220V is input and 24V is output, and the input and output currents do not exceed a preset value, judging the UPS module works normally, charging a battery by using the UPS, supplying power to a power supply control unit, and if the UPS module judges the UPS module to be abnormal, executing abnormal operation 2, namely disconnecting an input and output relay of the UPS monitoring control unit, and sending an abnormal code 0x02;
judging whether the battery monitoring control module works normally, if the voltage of 24V is input and 12V is output stably, judging that the input and output currents do not exceed a preset value, using a battery to supply power to the power supply control unit, if the input and output currents are not normal, executing abnormal operation 3, namely disconnecting an output relay of the battery monitoring control unit, controlling the whole system to stop by means of energy storage in a capacitor C1, and sending a stop instruction and an abnormal code 0x03;
when the generator is judged to be normal, the network relay is closed;
when the UPS monitoring control module is judged to be normal, the network relay is closed;
and when the battery monitoring control module is judged to be normal, closing the network relay.
2. The unmanned ship redundant energy monitoring system of claim 1, wherein the input voltage current detection circuit, the output voltage current detection circuit and the temperature detection circuit are on a same 485 communication bus.
3. The unmanned ship redundant energy monitoring system according to claim 1, wherein the master control unit monitors and controls the state of the generator and the start-up of the generator through a 485 bus, monitors and controls the input and output voltage and current information of the UPS monitoring control module and the battery monitoring control module by reading data signals on the bus and the network, and automatically triggers corresponding relays to act according to the current state and abnormal conditions of the system, and sends corresponding abnormal codes to realize monitoring and control of different devices.
4. The unmanned ship redundant energy monitoring system of claim 1, wherein the power supply control unit has a power supply input interface, the JB1 voltage is higher than that in the case of JB2, the D2 is cut off to supply power by the JB1, and the D2 is cut on to supply power by the JB2 in the case of JB1 without input; under the condition that the positive and negative of the JB1 power supply are reversely connected, the F1 self-recovery fuse is disconnected after short circuit, reverse connection protection of the circuit is realized, and power supply can be recovered after the power supply is correctly connected.
5. The unmanned ship redundant energy monitoring system of claim 1, wherein the generator monitoring module is connected with a master control unit through a 485 monitoring bus, and the master control unit is connected with a generator through a 485 control bus.
6. The unmanned ship redundant energy monitoring system of claim 1, wherein the communication unit comprises a radio communication unit, a satellite communication unit, a wifi communication unit, and a bridge communication unit.
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