CN110707805A - Navigation light control system - Google Patents
Navigation light control system Download PDFInfo
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- CN110707805A CN110707805A CN201910995681.2A CN201910995681A CN110707805A CN 110707805 A CN110707805 A CN 110707805A CN 201910995681 A CN201910995681 A CN 201910995681A CN 110707805 A CN110707805 A CN 110707805A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
- H02J9/065—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads for lighting purposes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
Abstract
The embodiment of the invention discloses a navigation light control system, which comprises a main power supply module, an emergency power supply module, a power supply switching module, a navigation light control module, a Morse light control module and a main controller; the input end of the main power supply module is used for inputting alternating current, and the output end of the main power supply module is electrically connected with the first input end of the power supply switching module; the input end of the emergency power supply module is used for inputting alternating current, and the output end of the emergency power supply module is electrically connected with the second input end of the power supply switching module; the input end of the navigation light control module is electrically connected with the output end of the power supply switching module, the output end of the navigation light control module is electrically connected with the navigation light, and the navigation light control module is used for controlling the working state of the navigation light; the input end of the Morse lamp control module is electrically connected with the output end of the power supply switching module, and the output end of the Morse lamp control module is electrically connected with the Morse lamp. The embodiment of the invention solves the compatibility problem of the navigation light control system and realizes safe and reliable control of the navigation light.
Description
Technical Field
The embodiment of the invention relates to the technical field of navigation lights, in particular to a navigation light control system.
Background
The navigation light is a signal light which is used for indicating the position and the movement direction of an aircraft or a ship when the aircraft or the ship navigates at night, is convenient for mutual avoidance and identification, is important equipment and a dynamic mark for ensuring navigation safety, and is an important basis for deciding to take an avoidance action. It is therefore important to ensure that the position lights operate reliably and consistently.
The navigation light controller in the prior art mostly adopts a mechanical switch mode to control the working state of the navigation light, a relay coil is connected in series in a load loop, and a group of auxiliary contacts of the relay are connected in series with an indicator light to be used as the indication of the working state of the loop.
However, when the navigation light breaks down, the maintenance is inconvenient, and most navigation light controllers in the market cannot be compatible with traditional lamps and lanterns and novel lamps and lanterns, and the navigation light cannot be controlled safely and reliably.
Disclosure of Invention
The embodiment of the invention provides a navigation light control system, which is used for safely and reliably controlling a navigation light and is compatible with various navigation lights.
The embodiment of the invention provides a navigation light control system, which comprises a main power supply module, an emergency power supply module, a power supply switching module, a navigation light control module, a Morse light control module and a main controller;
the input end of the main power supply module is used for inputting alternating current, and the output end of the main power supply module is electrically connected with the first input end of the power supply switching module;
the input end of the emergency power supply module is used for inputting alternating current, and the output end of the emergency power supply module is electrically connected with the second input end of the power supply switching module; the power supply switching module can switch the first input end to be conducted with the output end or switch the second input end to be conducted with the output end;
the input end of the navigation light control module is electrically connected with the output end of the power supply switching module, the output end of the navigation light control module is electrically connected with the navigation light, and the navigation light control module is used for controlling the working state of the navigation light;
the input end of the Morse lamp control module is electrically connected with the output end of the power supply switching module, the output end of the Morse lamp control module is electrically connected with the Morse lamp, and the Morse lamp control module is used for controlling the working state of the Morse lamp;
and the main controller is respectively electrically connected with the first control end of the navigation light control module and the control end of the Morse light control module.
Optionally, the navigation light control system provided in the embodiment of the present invention further includes a driving module;
the power supply switching module also comprises a control end, and a signal of the control end of the power supply switching module controls and switches the conduction of the first input end and the output end or switches the conduction of the second input end and the output end; the driving module is electrically connected with the main power supply module, the emergency power supply module and the control end of the power supply switching module.
Optionally, the driving module includes a voltage acquisition circuit, a voltage comparison circuit, and a main control power circuit;
the voltage acquisition circuit comprises a main power supply voltage acquisition circuit and an emergency power supply voltage acquisition circuit, wherein the input end of the main power supply voltage acquisition circuit is electrically connected with the output end of the main power supply module, the output end of the main power supply voltage acquisition circuit is electrically connected with the first input end of the voltage comparison circuit, the input end of the emergency power supply voltage acquisition circuit is electrically connected with the output end of the emergency power supply module, and the output end of the emergency power supply voltage acquisition circuit is electrically connected with the second input end of the voltage comparison circuit;
the main control power supply circuit comprises a main control power supply overload protection circuit, a main control power supply AC/DC conversion voltage stabilizing circuit and a DC/DC isolation circuit, wherein the main control power supply overload protection circuit, the main control power supply AC/DC conversion voltage stabilizing circuit and the first input end of the DC/DC isolation circuit are sequentially and electrically connected, the second input end of the DC/DC isolation circuit is electrically connected with the output end of the voltage comparison circuit, and the output end of the DC/DC isolation circuit is electrically connected with the control end of the power supply switching module.
Optionally, the power switching module includes a first photoelectric coupler, a second photoelectric coupler, a triode, a first diode, a voltage dependent resistor and a first relay;
the input of first optoelectronic coupler with the input of second optoelectronic coupler respectively with drive module's output electricity is connected, second optoelectronic coupler's output ground connection, first optoelectronic coupler's output with the first end electricity of triode is connected, the second end of triode passes through first diode with the control end electricity of first relay is connected, the third end ground connection of triode, the first input of first relay with the output electricity of main power module is connected, the second input of first relay with the output electricity of emergency power module is connected, the first output of first relay is used for exporting alternating voltage, the second output of first relay is used for exporting direct voltage.
Optionally, the main power supply module includes:
the power supply switching module comprises a main power supply overload protection circuit, a main power supply electromagnetic compatibility circuit, a main power supply surge protection circuit and a main power supply AC/DC conversion voltage stabilizing circuit, wherein the main power supply overload protection circuit, the main power supply electromagnetic compatibility circuit, the main power supply surge protection circuit and the main power supply AC/DC conversion voltage stabilizing circuit are electrically connected in sequence, and the output end of the main power supply AC/DC conversion voltage stabilizing circuit is electrically connected with the third input end of the power supply switching module;
the emergency power supply module comprises an emergency power supply overload protection circuit, an emergency power supply electromagnetic compatibility circuit, an emergency power supply surge protection circuit and an emergency power supply AC/DC conversion voltage stabilizing circuit, wherein the emergency power supply overload protection circuit, the emergency power supply electromagnetic compatibility circuit, the emergency power supply surge protection circuit and the emergency power supply AC/DC conversion voltage stabilizing circuit are electrically connected in sequence, and the output end of the emergency power supply AC/DC conversion voltage stabilizing circuit is electrically connected with the fourth input end of the power supply switching module.
Optionally, the navigation light control module includes a main lighting circuit, an emergency lighting circuit, and a navigation light control communication circuit;
the input end of the main lighting circuit is electrically connected with the output end of the power supply switching module, and the output end of the main lighting circuit is electrically connected with the main lighting navigation lamp;
the input end of the emergency lighting circuit is electrically connected with the output end of the power supply switching module, and the output end of the emergency lighting circuit is electrically connected with the emergency lighting navigation lamp;
the input end of the navigation light control communication circuit is electrically connected with the main controller, and the navigation light control communication circuit is used for outputting a navigation light control signal and controlling the navigation light to be switched on and off.
Optionally, the position light control communication circuit includes a driving chip, a first resistor, a second resistor, a third resistor, a first capacitor, a second diode, and a third diode;
the first communication end of the driving chip is electrically connected with the second resistor, the second communication end of the driving chip is electrically connected with the third resistor, the first end of the first resistor is electrically connected with the first communication end, the second end of the first resistor is electrically connected with the first end of the second diode through the second communication end, the second end of the second diode is grounded, the first end of the third diode is electrically connected with the first communication end, and the second end of the third diode is grounded;
the control end of the driving chip is electrically connected with the main controller, the first end of the first capacitor is electrically connected with the input voltage end of the driving chip, and the second end of the first capacitor is grounded.
Optionally, the mohs lamp control module includes: the system comprises a Morse lamp signal access circuit, a Morse lamp output relay and a Morse lamp overload/short circuit detection circuit;
the input end of the Morse lamp signal access circuit is electrically connected with the output end of the steam whistle controller, and the output end of the Morse lamp signal access circuit is electrically connected with the main controller;
the input end of the output relay of the Morse lamp is respectively and electrically connected with the output end of the power supply switching module and the main controller, and the output end of the output relay of the Morse lamp is electrically connected with the overload/short circuit detection circuit of the Morse lamp.
Optionally, the morse lamp signal access circuit includes a fourth resistor, a fifth resistor, a second capacitor, a fourth diode, and a third photocoupler;
a first end of the fourth resistor is used as a first input end of the morse lamp signal access circuit, a second end of the fourth resistor is electrically connected with a first input end of the third photoelectric coupler, a first end of the fifth resistor is used as a second input end of the morse lamp signal access circuit, a second end of the fifth resistor is electrically connected with a second input end of the third photoelectric coupler, and a first output end of the third photoelectric coupler is electrically connected with the main controller;
the second capacitor is connected in parallel with the fourth resistor, a first end of the fourth diode is electrically connected with a second end of the fourth resistor, and a second end of the fourth diode is electrically connected with a first end of the fifth resistor.
Optionally, the navigation light control system provided in the embodiment of the present invention further includes a Digital Video Recorder (DVR)/Bridge navigation on duty alarm system (Bridge navigation Video Watch alarm system, BNWAS) communication circuit and an operation panel, where the DVR/BNWAS communication circuit and the operation panel are electrically connected to the main controller respectively;
the operating panel is provided with a buzzer, an LED indicator light and an operating key.
According to the technical scheme provided by the embodiment of the invention, the navigation lamp control system comprising the main power supply module, the emergency power supply module, the power supply switching module, the navigation lamp control module, the Morse lamp control module and the main controller is adopted, when a main power supply circuit fails, the emergency power supply can be rapidly switched, the operation of the navigation lamp can be safely and reliably controlled, and the technical scheme provided by the embodiment of the invention can be compatible with various navigation lamps, so that the control effect of the navigation lamp is improved.
Drawings
Fig. 1 is a schematic structural diagram of a position light control system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another navigation light control system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a position light control system according to an embodiment of the present invention. Referring to fig. 1, the navigation light control system includes a main power supply module 10, an emergency power supply module 11, a power supply switching module 12, a navigation light control module 13, a morse light control module 15, and a main controller 14;
the input end a1 of the main power supply module 10 is used for inputting alternating current, and the output end a2 of the main power supply module 10 is electrically connected with the first input end B1 of the power supply switching module 12;
the input end A3 of the emergency power supply module 11 is used for inputting alternating current, and the output end a4 of the emergency power supply module 11 is electrically connected with the second input B2 end of the power supply switching module 12; the power switching module 12 can switch the first input terminal B1 to be conducted with the output terminal B3, or switch the second input terminal B2 to be conducted with the output terminal B3;
the input end C1 of the navigation light control module 13 is electrically connected with the output end B3 of the power supply switching module 12, the output end C2 of the navigation light control module 13 is electrically connected with the navigation light 16, and the navigation light control module 13 is used for controlling the working state of the navigation light 16;
the input end E1 of the Morse lamp control module 15 is electrically connected with the output end B3 of the power supply switching module 12, the output end E2 of the Morse lamp control module 15 is electrically connected with the Morse lamp 17, and the Morse lamp control module 15 is used for controlling the working state of the Morse lamp 17;
and the main controller 14 is electrically connected with the first control end C3 of the navigation light control module 13 and the control end E3 of the Morse light control module 15 respectively.
Specifically, the navigation light control system has two paths of power supplies, namely a main power module 10 and an emergency power module 11, wherein both the main power module 10 and the emergency power module 11 can output alternating current voltage or direct current voltage. The power supply switching module 12 can switch the first input terminal B1 to be conducted with the output terminal B3 to realize main power supply, or switch the second input terminal B2 to be conducted with the output terminal B3 to realize emergency power supply. The navigation light control module 13 controls the working state of the navigation light according to the power mode outputted by the power switching module 12 and the control signal outputted by the main controller, for example, the power switching module 12 switches the first input terminal B1 to be conducted with the output terminal B3, then the main power module 10 supplies the main power to the navigation light control module 13, when the power supply is abnormal, such as voltage overrun, the navigation light control system performs automatic switching of the input power through the power switching module 12, for example, when the main power module fails, the power switching module switches the second input terminal B2 to be conducted with the output terminal B3, and the emergency power module provides the power voltage. The power supply switching module 12 supplies power to the navigation light control module while switching the main power supply module 10 and the emergency power supply module 11, and also supplies power to the morse light control module 15, and the morse light control module 15 controls the working state of the morse light according to the control signal output by the main controller 14.
According to the technical scheme provided by the embodiment of the invention, two paths of power are supplied by the main power supply module and the emergency power supply module, and two different power supply modes are selected by adopting the power supply switching module, so that the emergency power supply can be rapidly switched when the main power supply fails, the navigation lamp can normally work, the uninterrupted power supply of the navigation lamp control system is ensured to supply power, the operation of the navigation lamp is safely and reliably controlled, meanwhile, the navigation lamp control system is compatible with the traditional navigation lamp and the intelligent navigation lamp, and different use requirements of users are met.
Optionally, fig. 2 is a schematic structural diagram of another navigation light control system provided in an embodiment of the present invention. Referring to fig. 2, on the basis of the above embodiment, the position light control system further includes a driving module 18; the power switching module 12 further includes a control terminal B4, and a signal of the control terminal B4 of the power switching module 12 controls to switch the first input terminal B1 to be conducted with the output terminal B3, or switch the second input terminal B2 to be conducted with the output terminal B3; the driving module 18 is electrically connected with the main power supply module 10, the emergency power supply module 11, and the control terminal B4 of the power switching module 12.
With continued reference to fig. 2, the driving module 18 includes a voltage acquisition circuit 19, a voltage comparison circuit 20, and a main control power supply circuit 21;
the voltage acquisition circuit 19 comprises a main power supply voltage acquisition circuit 191 and an emergency power supply voltage acquisition circuit 192, wherein an input end F1 of the main power supply voltage acquisition circuit 191 is electrically connected with an output end A2 of the main power supply module 10, an output end F2 of the main power supply voltage acquisition circuit 191 is electrically connected with a first input end G1 of the voltage comparison circuit 20, an input end F3 of the emergency power supply voltage acquisition circuit 192 is electrically connected with an output end A4 of the emergency power supply module 11, and an output end F4 of the emergency power supply voltage acquisition circuit 192 is electrically connected with a second input end G2 of the voltage comparison circuit 20;
the main control power circuit 21 comprises a main control power overload protection circuit 211, a main control power AC/DC conversion voltage stabilizing circuit 212 and a DC/DC isolation circuit 213, the main control power overload protection circuit 211, the main control power AC/DC conversion voltage stabilizing circuit 212 and a first input end H1 of the DC/DC isolation circuit 213 are electrically connected in sequence, a second input end H2 of the DC/DC isolation circuit 213 is electrically connected with an output end G3 of the voltage comparison circuit 20, and an output end H3 of the DC/DC isolation circuit 213 is electrically connected with a control end B4 of the power switching module 12.
Specifically, the main power voltage collecting circuit 191 collects the output voltage of the main power module 10, the emergency power voltage collecting circuit 192 collects the output voltage of the emergency power module 11, the voltage comparing circuit 20 controls the power switching module 12 to switch the power supply by performing logical operation on the output voltage of the main power module 10 and the output voltage of the emergency power module 11, and the voltage comparing circuit can be implemented by a comparator. In order to avoid the influence of the fault of the main power supply or the emergency power supply on the normal operation of the power supply switching module 12, the main control power supply circuit 21 converts the input high-voltage alternating current into the low-voltage direct current to provide the power supply voltage for the power supply switching module 12, the main control power supply AC/DC conversion voltage stabilizing circuit 212 converts the input alternating current into the direct current voltage corresponding to the DC/DC isolation circuit 213, the DC/DC isolation circuit 213 converts the direct current voltage output by the main control power supply AC/DC conversion voltage stabilizing circuit 212 into the low-voltage direct current voltage corresponding to the power supply switching module 12 to provide the voltage for the power supply switching module, and the DC/DC isolation circuit 213 can prevent the input high-voltage alternating current from interfering with the. The main power overload protection circuit 211 provides safety for the main power circuit, for example, the main power overload protection circuit 211 may include a circuit breaker or a fuse, etc.
Illustratively, the main power voltage acquisition circuit 191 and the emergency power voltage acquisition circuit 192 respectively acquire output voltages of the main power module 10 and the emergency power module 11, and if a voltage value acquired by the main power voltage acquisition circuit 191 is greater than or equal to a voltage value acquired by the emergency power voltage acquisition circuit 192, the power switching module 12 is controlled by the voltage comparison circuit 20 and the DC/DC isolation circuit 213 to switch the first input end B1 to be conducted with the output end B3, and the main power module supplies power to the navigation light control system; if the voltage value collected by the main power voltage collecting circuit 191 is smaller than the voltage value collected by the emergency power voltage collecting circuit 192, the power switching module 12 is controlled to switch the second input terminal B2 to be conducted with the output terminal B3 through the voltage comparing circuit 20 and the DC/DC isolating circuit 213, and the emergency power module supplies power to the navigation light control system. The main power supply module is switched to supply power if the output voltage value acquired by the main power supply voltage acquisition circuit is within the preset voltage value range; if not, the emergency power supply module is switched to supply power, wherein the preset voltage value can be stored in the main controller 14.
According to the technical scheme provided by the embodiment of the invention, whether the power supply switching module needs to switch the power supply or not is determined by comparing the output voltage values of the main power supply module and the emergency power supply module, so that when the main power supply or the emergency power supply fails, the normal work of the navigation light control system can still be ensured, and the normal operation of the navigation light is ensured.
Optionally, fig. 3 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 3, the power switching module includes a first photocoupler OC1, a second photocoupler OC2, a triode Q, a first diode D1, a voltage dependent resistor RV, and a first relay J1;
the input end of the first photoelectric coupler OC1 and the input end of the second photoelectric coupler OC2 are electrically connected with the output end H2 of the driving module 18 respectively, the output end of the second photoelectric coupler OC2 is grounded, the output end of the first photoelectric coupler OC1 is electrically connected with the first end of the triode Q, the second end of the triode Q is electrically connected with the control end of the first relay J1 through the first diode D1, the third end of the triode Q is grounded, the first input end of the first relay J1 is electrically connected with the output end a2 of the main power supply module 10, the second input end of the first relay J1 is electrically connected with the output end a4 of the emergency power supply module 11, the first output end of the first relay J1 is used for outputting alternating-current voltage, and the second output end of the first relay J1 is used for outputting direct-current voltage.
Specifically, the first photocoupler OC1 and the second photocoupler OC2 enable the driving signal output by the driving module 18 to be electrically isolated from the voltage signal output by the main power supply module or the emergency power supply module received by the first relay J1, and the anti-interference capability of the first relay J1 is improved. The first output end of the first photoelectric coupler OC1 is electrically connected with the first control end of the first relay J1, the second output end of the first photoelectric coupler OC1 is connected to the second control end of the first relay through the second end of the triode Q, the second end of the triode Q is also connected with the first control end of the first relay through the first diode D1, and the triode Q is used for amplifying the driving signal output by the driving module 18. A first input end of the first relay J1 is electrically connected with the output end a2 of the main power supply module 10, a second input end of the first relay J1 is electrically connected with the output end a4 of the emergency power supply module 11, and the first relay J1 determines whether the first input end B1 and the output end B3 of the power supply switching module are conducted or the second input end B2 and the output end B3 of the power supply switching module are conducted according to an output signal of the voltage comparison circuit 20. For example, if the voltage value collected by the main power voltage collecting circuit 191 is greater than or equal to the voltage value collected by the emergency power voltage collecting circuit 192, the voltage comparing circuit 20 and the DC/DC isolating circuit 213 control the first relay J1 to switch the first input terminal B1 and the output terminal B3 of the power switching module 12 to be on, so that the main power module supplies power to the navigation light control system. The voltage dependent resistor RV clamps the voltage when the output end of the first relay J1 bears overvoltage, and absorbs redundant current to protect the first relay J1 to normally work.
According to the technical scheme provided by the embodiment of the invention, the photoelectric coupler, the first relay J1, the triode Q, the first diode D1 and the piezoresistor RV are used for realizing automatic switching of the power supply, ensuring the safe and stable operation of the power supply switching module and improving the reliability of the power supply switching module.
Optionally, fig. 4 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 4, the main power supply module 10 includes:
the main power supply overload protection circuit 101, the main power supply electromagnetic compatibility circuit 102, the main power supply surge protection circuit 103 and the main power supply AC/DC conversion voltage stabilizing circuit 104 are electrically connected in sequence, wherein the main power supply overload protection circuit 101, the main power supply electromagnetic compatibility circuit 1002, the main power supply surge protection circuit 103 and the main power supply AC/DC conversion voltage stabilizing circuit 104 are electrically connected, and the output end of the main power supply AC/DC conversion voltage stabilizing circuit 104 serves as a direct current output end A5 of the main power supply module 10 and is electrically connected with a third input end B5 of the power supply switching;
the emergency power supply module 11 comprises an emergency power supply overload protection circuit 111, an emergency power supply electromagnetic compatibility circuit 112, an emergency power supply surge protection circuit 113 and an emergency power supply AC/DC conversion voltage stabilizing circuit 114, wherein the emergency power supply overload protection circuit 111, the emergency power supply electromagnetic compatibility circuit 112, the emergency power supply surge protection circuit 113 and the emergency power supply AC/DC conversion voltage stabilizing circuit 114 are electrically connected in sequence, and an output end of the emergency power supply AC/DC conversion voltage stabilizing circuit 114 is electrically connected with a fourth input end B6 of the power supply switching module 12 as a direct current output end A6 of the emergency power supply module 11.
Specifically, the input end of the main power overload protection circuit 101 is used for inputting an ac voltage to prevent the main power line from burning out the line or the electrical element due to an excessive load of the electrical equipment, for example, the main power overload protection circuit 101 may include a circuit of a switch device such as an air switch and a fuse, and when the load of the navigation light exceeds the maximum load of the navigation light system, the main power overload protection circuit 101 quickly cuts off the connection between the input ac power and the navigation light control system to protect the navigation light control system from safe operation. The input end of the main power supply electromagnetic compatibility circuit 102 is electrically connected with the output end of the main power supply overload protection circuit 101, and because an alternating current power supply can generate an alternating magnetic field, the main power supply electromagnetic compatibility circuit 102 can operate in an electromagnetic environment according to requirements and does not generate electromagnetic interference on a navigation light control system in the environment, and the navigation light control system provided by any embodiment of the invention has the capability of resisting the electromagnetic interference, so that the electronic elements are compatible with each other and work normally. The input end of the main power surge protection circuit 103 is electrically connected with the output end of the power electromagnetic compatibility circuit 102, and the main power surge protection circuit 103 may include a switch-type surge protection device, an inductor, a capacitor, and the like, so that when a main power surge occurs, a surge current can be quickly discharged through the main power surge protection circuit 103, and the power switching module 12 and the driving module 18 can be operated safely and stably. The input end of the main power AC/DC converting and stabilizing circuit 104 is electrically connected to the output end of the main power surge protection circuit 103, and the output end of the main power AC/DC converting and stabilizing circuit 104 is electrically connected to the third input end B5 of the power switching module 12 as the DC output end a5 of the main power module 10, converts the input AC voltage into a DC voltage, and switches the DC voltage to provide the DC voltage for the navigation light control module 13 through the power switching module 12.
The working principles and functions of the emergency power supply overload protection circuit 111, the emergency power supply electromagnetic compatibility circuit 112, the emergency power supply surge protection circuit 113 and the emergency power supply AC/DC conversion voltage stabilizing circuit 114 are the same as those of the main power supply overload protection circuit 101, the main power supply electromagnetic compatibility circuit 102, the main power supply surge protection circuit 103 and the main power supply AC/DC conversion voltage stabilizing circuit 104, and are not described herein again.
According to the technical scheme provided by the embodiment of the invention, the main power supply overload protection circuit 101, the main power supply electromagnetic compatibility circuit 102 and the main power supply surge protection circuit 103 are adopted to provide guarantee for safe and stable operation of the navigation light control system, and the main power supply AC/DC conversion voltage stabilizing circuit 104 is adopted to enable the main power supply module 10 to output direct-current voltage so as to meet the use requirements of different navigation lights.
Optionally, fig. 5 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 5, the navigation light control module 13 includes a main lighting circuit 131, an emergency lighting circuit 132, and a navigation light control communication circuit 135;
the input end of the main lighting circuit 131 is electrically connected with the output end B3 of the power switching module 12, and the output end of the main lighting circuit 131 is electrically connected with the main lighting position light 161;
the input end of the emergency lighting circuit 132 is electrically connected with the output end B3 of the power switching module 12, and the output end of the emergency lighting circuit 132 is electrically connected with the emergency lighting navigation light 162;
the first control end C3 of the position light control communication circuit 13 is electrically connected to the main controller 14, and the position light control communication circuit 13 is used for outputting a position light control signal and controlling the position light to be turned on or off.
Specifically, the main lighting circuit 131 and the emergency lighting circuit 132 may be electrically connected to the output end B3 of the power switching module 12 through a switch 133, and the switch 133 may be a manual switch, such as a knife switch or a key, or an automatic switch, such as a relay. The output end of the main lighting circuit 131 is electrically connected to the main lighting navigation light 161 as the first output end C2 of the navigation light control module 13, the output end of the emergency lighting circuit 132 is electrically connected to the emergency lighting navigation light 162 as the second output end C4 of the navigation light control module 13, the first output end of the navigation light control communication circuit 135 is communicatively connected to the main lighting navigation light 161 as the third output end C5 of the navigation light control module 13, the second output end of the navigation light control communication circuit is communicatively connected to the emergency lighting navigation light 162 as the fourth output end C6 of the navigation light control module 13, and the input end of the navigation light control communication circuit is electrically connected to the first end D1 of the main controller as the first control end C3 of the navigation light control module 13. The navigation light control communication circuit 135 is in communication connection with the navigation light 16 through a data signal line, and realizes digital communication with the navigation light 16 so as to perform on-off control on the navigation light 16 and perform routing inspection of the running state and fault alarm on the navigation light 16, thereby achieving the purpose of intelligent control.
Illustratively, the main lighting circuit includes a main lighting relay, a main lighting overload/short circuit detection circuit, and a main lighting fuse, an input terminal of the main lighting relay is electrically connected to the switch 133, an output terminal of the main lighting relay is electrically connected to an input terminal of the main lighting overload/short circuit detection circuit, an output terminal of the main lighting overload/short circuit detection circuit is electrically connected to an input terminal of the main lighting fuse, and an output terminal of the main lighting fuse is electrically connected to the first control terminal C3 of the navigation light control module. For example, the main lighting relay and the main lighting overload/short circuit detection circuit are respectively electrically connected to the main controller 14, when the main lighting circuit 131 is in an overcurrent state, the main lighting overload/short circuit detection circuit sends a detected overcurrent signal to the main controller 14, the main controller 14 turns off the main lighting circuit 131 by controlling the main lighting relay, and switches the emergency lighting circuit through the switch 133 to drive the emergency lighting navigation light 162 to operate, and when the main lighting relay is in a fault state, overload/short circuit protection can be performed through the main lighting fuse.
With continued reference to fig. 5, the navigation light control module 13 further includes an open-circuit detection circuit 134, an input terminal of the open-circuit detection circuit 134 is electrically connected to the switch, an output terminal of the open-circuit detection circuit 134 is electrically connected to the third terminal D3 of the main controller 14 as the second control terminal C7 of the navigation light control module 13, and the open-circuit detection circuit 134 is configured to detect a switching state of the switch 133, that is, whether the switch 133 switches the main lighting circuit 131 or the emergency lighting circuit 132 to the navigation light control system, so as to drive the navigation light to normally operate. For example, in normal conditions, the main lighting position light works, the output end B3 of the power switching module 12 needs to be electrically connected to the main lighting circuit 131 through the switch 133, at this time, the open-circuit detection circuit 134 detects whether the switch 133 switches the main lighting circuit 131 to the position light control system to be electrically connected to the output end B3 of the power switching module 12, if not, an open-circuit signal is sent to the main controller 14, and the main controller 14 gives an alarm to the operating state of the position light 16 through the position light control communication circuit 135, so as to achieve the purpose of intelligent control.
Optionally, fig. 6 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 6, the position light control communication circuit includes a driving chip U1, a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1, a second diode D2, and a third diode D3;
the first communication end 2 of the driving chip U1 is electrically connected with the second resistor R2, the second communication end 3 of the driving chip U1 is electrically connected with the third resistor R3, the first end of the first resistor R1 is electrically connected with the first communication end 2, the second end of the first resistor R1 is electrically connected with the first end of the second diode D2 through the second communication end 3, the second end of the second diode D2 is grounded, the first end of the third diode D3 is electrically connected with the first communication end 2, and the second end of the third diode D3 is grounded;
the control terminal 5 of the driving chip U1 is electrically connected to the main controller 14, the first terminal of the first capacitor C1 is electrically connected to the input voltage terminal 1 of the driving chip U1, and the second terminal of the first capacitor C1 is grounded.
Specifically, the driving chip U1 is a MAX3485 communication driving chip, the input voltage terminal 1 is a driving voltage input terminal for inputting a 3.3V dc driving voltage, and the input voltage terminal 1 is connected in parallel with the first capacitor C1 to achieve the effect of removing noise voltage, so as to meet the change of driving current; the control end 5 of the driving chip U1 is used for receiving a signal output by the main controller 14, the control end 5 of the driving chip U1 and the driving output enable end 6 are connected to the main controller 14 together, and the control end 5 and the driving output enable end 6 cooperate together to convert the signal output by the main controller 14 into a driving signal for output; the first communication terminal 2 of the driving chip U1 is connected to the main lighting position light 161 via a second resistor R2 for driving the main lighting position light 161, wherein the second resistor R2 is used for limiting the current of the main lighting circuit; the second communication terminal 3 of the driving chip U1 is connected to the emergency lighting position light 162 through a third resistor R3 for driving the emergency lighting position light 162, wherein the third resistor R3 is used for limiting the current of the emergency lighting circuit. The second diode D2 and the third diode D3 are both transient suppression diodes for protecting the driving chip U1 from the surge current, for example, when the voltage across the first communication terminal 2 and the second communication terminal 3 of the driving chip U1 is a reverse transient voltage, the second diode D2 rapidly changes the high impedance between the first communication terminal 2 and the second communication terminal 3 into a low impedance to absorb the surge current, so as to protect the driving chip U1.
Optionally, fig. 7 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 7, the mohs lamp control module 15 includes: a morse lamp signal access circuit 151, a morse lamp output relay 152, and a morse lamp overload/short circuit detection circuit 153;
the input end L1 of the Morse lamp signal access circuit 151 is electrically connected with the output end P1 of the fog whistle controller 155, and the output end L2 of the Morse lamp signal access circuit 151 is electrically connected with the main controller 14;
the input end of the morse lamp output relay 152 is electrically connected to the output end B3 of the power switching module 12 and the main controller 14, respectively, and the output end M3 of the morse lamp output relay 152 is electrically connected to the morse lamp overload/short circuit detection circuit 153.
Specifically, the output terminal P1 of the siren controller 155 is electrically connected to the input terminal L1 of the morse lamp signal access circuit 151, the output terminal L2 of the morse lamp signal access circuit 151 is electrically connected to the fourth terminal D4 of the main controller 14, the first input terminal M1 of the morse lamp output relay 152 is electrically connected to the output terminal B3 of the power switching module 12, the second input terminal M2 is electrically connected to the second terminal D2 of the main controller 14, the output terminal M3 is electrically connected to the input terminal N1 of the morse lamp overload/short-circuit detection circuit 153, the control terminal N3 of the morse lamp overload/short-circuit detection circuit 153 is electrically connected to the fifth terminal D5 of the main controller 14, and the output terminal N2 of the morse lamp overload/short-circuit detection circuit 153 is electrically connected to the morse lamp 17 through the morse lamp output fuse 154.
The input end L1 of morse lamp signal access circuit 151 is connected with the output end P1 electricity of steam whistle controller 155 for receive the morse lamp signal of steam whistle controller 155 output, morse lamp signal access circuit 151 uploads the morse lamp signal received to the fourth end D4 of main control unit 14, morse lamp output relay 152 is according to the morse lamp signal that main control unit 14 gathered, provide the morse lamp 17 with the voltage that power switching module 12 output, make the morse lamp light operation, wherein, the morse lamp is used for cooperating the steam whistle to send communication signal, with the navigation that guarantees that boats and ships can be safe in big fog weather. When the morse lamp control module 15 has abnormal current, the morse lamp overload/short circuit detection circuit 153 sends the detected overcurrent signal to the main controller 14, the main controller 14 turns off the output loop of the power supply switching module 12 by controlling the morse lamp output relay 152, and if the morse lamp output relay 152 fails, overload/short circuit protection can be performed by the morse lamp output fuse 154.
Optionally, fig. 8 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 8, the morse lamp signal connection circuit 151 includes a fourth resistor R4, a fifth resistor R5, a second capacitor C2, a fourth diode D4, and a third photocoupler OC 3;
a first end of a fourth resistor R4 is used as a first input end of the morse lamp signal access circuit 151, a second end of the fourth resistor R4 is electrically connected with a first input end of a third photoelectric coupler OC3, a first end of a fifth resistor R5 is used as a second input end of the morse lamp signal access circuit 151, a second end of the fifth resistor R5 is electrically connected with a second input end of a third photoelectric coupler OC3, and a first output end of the third photoelectric coupler OC3 is electrically connected with the main controller 14;
the second capacitor C2 is connected in parallel with the fourth resistor R4, a first terminal of the fourth diode D4 is electrically connected to a second terminal of the fourth resistor R4, and a second terminal of the fourth diode D4 is electrically connected to a first terminal of the fifth resistor R5.
Specifically, when encountering dense fog weather, the fog whistle controller 155 sends the morse lamp control signal, and the morse lamp control signal is gathered respectively and is transmitted to the first input and the second input of third photoelectric coupler OC3 to fourth resistance R4 and fifth resistance R5, and the first output of third photoelectric coupler OC3 is connected with main control unit 14 electricity, with morse lamp control signal transmission to main control unit 14, and the second output of third photoelectric coupler OC3 is ground connection. The fourth diode D4 is a transient suppression diode, and is used to suppress a surge voltage between the first input terminal and the second input terminal of the third photoelectric coupler OC3, so as to ensure safe operation of the third photoelectric coupler OC3 and the main controller 14.
According to the technical scheme provided by the embodiment of the invention, the morse lamp signal access circuit 151, the morse lamp output relay 152, the morse lamp overload/short circuit detection circuit 153 and the morse lamp output fuse 154 realize the safe and stable operation of the morse lamp, and the morse lamp signal access circuit 151 realizes the electrical isolation of the morse lamp input signal and the control signal by adopting the fourth diode D4 and the third photoelectric coupler OC3, so that the safe and stable operation of the morse lamp control module 15 is protected.
Optionally, fig. 9 is a schematic structural diagram of another navigation light control system provided in the embodiment of the present invention. On the basis of the above embodiment, referring to fig. 9, the position light control system further includes a DVR/BNWAS communication circuit 30 and an operation panel 40, wherein the DVR/BNWAS communication circuit 30 and the operation panel 40 are electrically connected to the main controller 14, respectively;
the operation panel 14 is provided with a buzzer 401, an LED indicator 402, and operation keys 403.
Specifically, the DVR/BNWAS communication circuit 30 employs an optical coupling isolation circuit and a multiple surge protection circuit, and is electrically connected to the main controller 14, and is configured to implement secure communication with external associated devices; illustratively, the DVR/BNWAS communication circuit 30 employs bidirectional serial communication, which not only can upload real-time operation data of the navigation light control system provided in any embodiment of the present invention to an external associated device, but also can receive a control instruction sent by the external associated device to implement a corresponding function, for example, sending an alarm signal when a heading deviation or a control system failure occurs.
The operation panel 14 is provided with a buzzer 401, an LED indicator 402 and an operation key 403, and the buzzer 401 is electrically connected to the seventh end of the main controller 14, so as to implement a key operation sound feedback function and a system fault alarm function. The LED indicator is electrically connected to the eighth end of the main controller 14 through an LED indicator driving circuit 404, and the LED indicator includes a plurality of LED indicators, and can drive the LED indicator to operate according to a control signal output by the main controller 14; the operating state of the LED indicator light can identify the starting and stopping state, open circuit and short circuit information, overload and other fault information of the navigation light, and the operating state and the fault state of the input power supply can be displayed. The LED indicator driving circuit 404 has a function of adjusting the brightness of the LED indicator, and can drive the LED indicator to adjust from the highest brightness to a plurality of brightness levels that are completely extinguished, so as to meet the visual requirements of users in different application occasions. The operation key 403 is electrically connected to the ninth terminal of the main controller through a key control circuit 405, wherein the operation key 403 is formed by arranging a plurality of reset light touch switch matrixes, the key control circuit 405 performs different functions according to different operation keys 403, for example, the main controller 14 can realize on-off control of the position light, light color switching control of the position light, self-inspection of a position light control system, noise reduction of a buzzer, brightness adjustment of an LED indicator light, and the like according to the action state of the operation key 403.
According to the technical scheme provided by the embodiment of the invention, under the condition of ensuring the safe and stable operation of the navigation lights, the switching among different navigation lights can be realized, the compatibility of the navigation light control system is improved, different functions of the navigation light control system can be realized through operating the keys, and the control effect of the navigation lights is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A navigation light control system is characterized by comprising a main power supply module, an emergency power supply module, a power supply switching module, a navigation light control module, a Morse light control module and a main controller;
the input end of the main power supply module is used for inputting alternating current, and the output end of the main power supply module is electrically connected with the first input end of the power supply switching module;
the input end of the emergency power supply module is used for inputting alternating current, and the output end of the emergency power supply module is electrically connected with the second input end of the power supply switching module; the power supply switching module can switch the first input end to be conducted with the output end or switch the second input end to be conducted with the output end;
the input end of the navigation light control module is electrically connected with the output end of the power supply switching module, the output end of the navigation light control module is electrically connected with the navigation light, and the navigation light control module is used for controlling the working state of the navigation light;
the input end of the Morse lamp control module is electrically connected with the output end of the power supply switching module, the output end of the Morse lamp control module is electrically connected with the Morse lamp, and the Morse lamp control module is used for controlling the working state of the Morse lamp;
and the main controller is respectively electrically connected with the first control end of the navigation light control module and the control end of the Morse light control module.
2. The position light control system of claim 1, further comprising a driver module;
the power supply switching module also comprises a control end, and a signal of the control end of the power supply switching module controls and switches the conduction of the first input end and the output end or switches the conduction of the second input end and the output end; the driving module is electrically connected with the main power supply module, the emergency power supply module and the control end of the power supply switching module.
3. The position light control system of claim 2, wherein the driving module comprises a voltage acquisition circuit, a voltage comparison circuit, and a master power circuit;
the voltage acquisition circuit comprises a main power supply voltage acquisition circuit and an emergency power supply voltage acquisition circuit, wherein the input end of the main power supply voltage acquisition circuit is electrically connected with the output end of the main power supply module, the output end of the main power supply voltage acquisition circuit is electrically connected with the first input end of the voltage comparison circuit, the input end of the emergency power supply voltage acquisition circuit is electrically connected with the output end of the emergency power supply module, and the output end of the emergency power supply voltage acquisition circuit is electrically connected with the second input end of the voltage comparison circuit;
the main control power supply circuit comprises a main control power supply overload protection circuit, a main control power supply AC/DC conversion voltage stabilizing circuit and a DC/DC isolation circuit, wherein the main control power supply overload protection circuit, the main control power supply AC/DC conversion voltage stabilizing circuit and the first input end of the DC/DC isolation circuit are sequentially and electrically connected, the second input end of the DC/DC isolation circuit is electrically connected with the output end of the voltage comparison circuit, and the output end of the DC/DC isolation circuit is electrically connected with the control end of the power supply switching module.
4. The position light control system of claim 2, wherein the power switching module comprises a first optocoupler, a second optocoupler, a triode, a first diode, a varistor, and a first relay;
the input of first optoelectronic coupler with the input of second optoelectronic coupler respectively with drive module's output electricity is connected, second optoelectronic coupler's output ground connection, first optoelectronic coupler's output with the first end electricity of triode is connected, the second end of triode passes through first diode with the control end electricity of first relay is connected, the third end ground connection of triode, the first input of first relay with the output electricity of main power module is connected, the second input of first relay with the output electricity of emergency power module is connected, the first output of first relay is used for exporting alternating voltage, the second output of first relay is used for exporting direct voltage.
5. The position light control system of claim 1, wherein the main power module comprises:
the power supply switching module comprises a main power supply overload protection circuit, a main power supply electromagnetic compatibility circuit, a main power supply surge protection circuit and a main power supply AC/DC conversion voltage stabilizing circuit, wherein the main power supply overload protection circuit, the main power supply electromagnetic compatibility circuit, the main power supply surge protection circuit and the main power supply AC/DC conversion voltage stabilizing circuit are electrically connected in sequence, and the output end of the main power supply AC/DC conversion voltage stabilizing circuit is electrically connected with the third input end of the power supply switching module;
the emergency power supply module comprises an emergency power supply overload protection circuit, an emergency power supply electromagnetic compatibility circuit, an emergency power supply surge protection circuit and an emergency power supply AC/DC conversion voltage stabilizing circuit, wherein the emergency power supply overload protection circuit, the emergency power supply electromagnetic compatibility circuit, the emergency power supply surge protection circuit and the emergency power supply AC/DC conversion voltage stabilizing circuit are electrically connected in sequence, and the output end of the emergency power supply AC/DC conversion voltage stabilizing circuit is electrically connected with the fourth input end of the power supply switching module.
6. The position light control system of claim 1, wherein the position light control module comprises a main lighting circuit, an emergency lighting circuit, and a position light control communication circuit;
the input end of the main lighting circuit is electrically connected with the output end of the power supply switching module, and the output end of the main lighting circuit is electrically connected with the main lighting navigation lamp;
the input end of the emergency lighting circuit is electrically connected with the output end of the power supply switching module, and the output end of the emergency lighting circuit is electrically connected with the emergency lighting navigation lamp;
the input end of the navigation light control communication circuit is electrically connected with the main controller, and the navigation light control communication circuit is used for outputting a navigation light control signal and controlling the navigation light to be switched on and off.
7. The position light control system of claim 6,
the navigation light control communication circuit comprises a driving chip, a first resistor, a second resistor, a third resistor, a first capacitor, a second diode and a third diode;
the first communication end of the driving chip is electrically connected with the second resistor, the second communication end of the driving chip is electrically connected with the third resistor, the first end of the first resistor is electrically connected with the first communication end, the second end of the first resistor is electrically connected with the first end of the second diode through the second communication end, the second end of the second diode is grounded, the first end of the third diode is electrically connected with the first communication end, and the second end of the third diode is grounded;
the control end of the driving chip is electrically connected with the main controller, the first end of the first capacitor is electrically connected with the input voltage end of the driving chip, and the second end of the first capacitor is grounded.
8. The position light control system of claim 1, wherein the Morse light control module comprises: the system comprises a Morse lamp signal access circuit, a Morse lamp output relay and a Morse lamp overload/short circuit detection circuit;
the input end of the Morse lamp signal access circuit is electrically connected with the output end of the steam whistle controller, and the output end of the Morse lamp signal access circuit is electrically connected with the main controller;
the input end of the output relay of the Morse lamp is respectively and electrically connected with the output end of the power supply switching module and the main controller, and the output end of the output relay of the Morse lamp is electrically connected with the overload/short circuit detection circuit of the Morse lamp.
9. The position light control system of claim 8, wherein the morse light signal access circuit comprises a fourth resistor, a fifth resistor, a second capacitor, a fourth diode, and a third optocoupler;
a first end of the fourth resistor is used as a first input end of the morse lamp signal access circuit, a second end of the fourth resistor is electrically connected with a first input end of the third photoelectric coupler, a first end of the fifth resistor is used as a second input end of the morse lamp signal access circuit, a second end of the fifth resistor is electrically connected with a second input end of the third photoelectric coupler, and a first output end of the third photoelectric coupler is electrically connected with the main controller;
the second capacitor is connected in parallel with the fourth resistor, a first end of the fourth diode is electrically connected with a second end of the fourth resistor, and a second end of the fourth diode is electrically connected with a first end of the fifth resistor.
10. The position light control system of claim 2, further comprising a DVR/BNWAS communication circuit and an operation panel of the warning system on duty for bridge navigation, wherein the DVR/BNWAS communication circuit and the operation panel are respectively electrically connected with the main controller;
the operating panel is provided with a buzzer, an LED indicator light and an operating key.
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| CN201910995681.2A CN110707805A (en) | 2019-10-18 | 2019-10-18 | Navigation light control system |
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| CN201910995681.2A CN110707805A (en) | 2019-10-18 | 2019-10-18 | Navigation light control system |
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