CN104037752B - Sensor power-supplying device used for ship - Google Patents
Sensor power-supplying device used for ship Download PDFInfo
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- CN104037752B CN104037752B CN201410203419.7A CN201410203419A CN104037752B CN 104037752 B CN104037752 B CN 104037752B CN 201410203419 A CN201410203419 A CN 201410203419A CN 104037752 B CN104037752 B CN 104037752B
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Abstract
The invention discloses a sensor power supplying device used for a ship. The device includes a single-chip microcomputer, a sensor power-supplying circuit and a power supply circuit. The sensor power supplying circuit includes overvoltage and overcurrent protection modules, DC-DC conversion modules and monitoring modules. Output ends of the overvoltage and overcurrent protection modules are connected with input ends of the DC-DC conversion modules and control ends of the overvoltage and overcurrent protection modules are connected with output ends of the DC-DC conversion modules. The output ends of the DC-DC conversion modules are also connected with input ends of the monitoring modules and sensors. Output ends of the monitoring modules are connected with input ends of the single-chip microcomputer. The DC-DC conversion modules output a first voltage to the overvoltage and overcurrent protection modules and the monitoring modules. The overvoltage and overcurrent protection modules are switched on or switched off according to a first preset voltage value and a first voltage value. The monitoring modules output monitoring electrical signals to the single-chip microcomputer according to a second preset voltage value and the first voltage value. The sensor power supplying device used for the ship reduces the maintenance cost of a ship system and improves the security of the ship system.
Description
Technical field
The present invention relates to technical field of ships, more particularly, to a kind of marine sensor electric supply installation.
Background technology
At present in maritime applications system, sensor is typically powered by common Switching Power Supply, and each sensor is equal
Need to configure a single Switching Power Supply, when the Switching Power Supply corresponding to when a certain road sensor breaks down, needing will be whole
Individual Switching Power Supply replaces, and causes maritime applications system maintenance cost higher.Additionally, existing Switching Power Supply itself does not typically possess
Line monitoring function, maritime applications system cannot monitor in real time to the power supply state of each road sensor, cause maritime applications system safety relatively low.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
Content of the invention
Present invention is primarily targeted at providing a kind of marine sensor electric supply installation it is intended to reduce the maintenance of maritime applications system
Cost, improves the safety of maritime applications system simultaneously.
To achieve these goals, the marine sensor electric supply installation that the present invention provides, if in maritime applications system
Dry sensor is powered, and described marine sensor electric supply installation is included single-chip microcomputer and sensed correspondingly with described sensor
Device power supply circuits, and one be used for each sensor feed circuit provide power supply power circuit, wherein, described sensor power
Circuit includes over-voltage over-current protection module, DC-to-dc modular converter and monitoring modular；Described over-voltage over-current protection module defeated
Enter end to be connected with the outfan of described power circuit, outfan is connected with the input of described DC-to-dc modular converter, control
End is connected with the outfan of described DC-to-dc modular converter；The outfan of described DC-to-dc modular converter also with described prison
Survey the input of module and described sensor connects；The outfan of described monitoring modular is connected with the input of described single-chip microcomputer；
Described power circuit provides power supply for each sensor feed circuit；Described DC-to-dc modular converter output first voltage is to institute
State over-voltage over-current protection module and monitoring modular, described over-voltage over-current protection module is according to the first preset voltage value and described first
Magnitude of voltage on or off, described monitoring modular is according to the second preset voltage value and the described first voltage value output monitoring signal of telecommunication
To described single-chip microcomputer.
Preferably, described power circuit includes at least two voltage transformation modules, in each described voltage transformation module
Between the handover module that switches over and the dead electricity detection module for detecting the output state of each voltage transformation module, its
In, the input of described voltage transformation module connects one to one a peripheral power supply, the outfan of each described voltage transformation module
It is connected to the input of described handover module and the input of described dead electricity detection module；The output of described dead electricity detection module
End connects to the control end of described handover module；The outfan of described handover module and the input of described over-voltage over-current protection module
End connects；Each described voltage transformation module output corresponding electric signal is to described dead electricity detection module, described dead electricity detection module root
According to the electric signal output switching signal of telecommunication receiving to described handover module, described handover module is according to described switching signal of telecommunication control
Make a corresponding voltage transformation module to power for described each sensor feed circuit.
Preferably, described power circuit also includes accumulator and charging module, and wherein, the outfan of described accumulator is respectively
Connect the input of input to described handover module and described dead electricity detection module, the outfan of described dead electricity detection module
It is connected with the input of described single-chip microcomputer, the outfan of described single-chip microcomputer is connected with the control end of described charging module；Described fill
The input of electric module is connected with the outfan of described handover module, and the outfan of described charging module is filled with described accumulator
Electric end connects；Described voltage transformation module output corresponding electric signal is to described dead electricity detection module, described dead electricity detection module root
According to the electric signal output charging signals receiving to described single-chip microcomputer, described single-chip microcomputer controls described charging according to described charging signals
Module is that described accumulator charges.
Preferably, described marine sensor electric supply installation also includes the warning electricity being connected with the outfan of described monitoring modular
Road, the described monitoring modular output warning signal of telecommunication to described warning circuit, send out according to the described warning signal of telecommunication by described warning circuit
Go out to report to the police.
Preferably, described marine sensor electric supply installation also includes being connected between described monitoring module and described single-chip microcomputer
The first isolation circuit.
Preferably, described marine sensor electric supply installation also includes being connected to described dead electricity detection module and described single-chip microcomputer
Between the second isolation circuit.
Preferably, described over-voltage over-current protection module include first resistor, second resistance, 3rd resistor, the 4th resistance,
Five resistance, the first stabilivolt, the first inductance, electric fuse, the first electric capacity, the first audion, the second audion, IGCT and first
Diode；Wherein, described first inductance one end is connected with the outfan of described power circuit, the other end and described electric fuse one end
Connect, the described electric fuse other end is respectively connecting to the anode of described IGCT and the anode of described first diode, described the
The negative electrode of one diode is connected with the input of described DC-to-dc modular converter；The negative electrode of described first stabilivolt is described
The control end of over-voltage over-current protection module, and be connected with the outfan of described DC-to-dc modular converter；Described first stabilivolt
Anode connect via described first resistor to the base stage of described first audion；Described second resistance one end connects to described
The base stage of one audion, the other end is grounded；Described first electric capacity one end connects to the base stage of described first audion, another termination
Ground；The grounded emitter of described first audion, colelctor electrode connects to the base of described second audion via described 4th resistance
Pole, described 3rd resistor is connected between the base stage of described second audion and the anode of described first diode；Described second
The emitter stage of audion is connected with the anode of described first diode, and colelctor electrode connects to described crystalline substance lock via described 5th resistance
The control pole of pipe, the minus earth of described IGCT.
Preferably, described monitoring modular includes the 6th resistance, the 7th resistance, the second stabilivolt, photoelectrical coupler, mos pipe
With the second diode, wherein, described 6th resistance is connected to the moon of described DC-to-dc modular converter and described second stabilivolt
Between pole, the anode of described second stabilivolt is connected with the anode of described photoelectrical coupler；The negative electrode of described photoelectrical coupler with
Described DC-to-dc modular converter connects, grounded emitter, and colelctor electrode is connected with the grid of described mos pipe, described 7th resistance
One end is connected with the colelctor electrode of described photoelectrical coupler, and the other end is connected with peripheral DC source；The source electrode of described mos pipe connects
Ground, drain electrode is connected with the negative electrode of described second diode, and the anode of described second diode is connected with described warning circuit.
Preferably, described dead electricity detection module includes the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th electricity
Resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 3rd diode, the 4th diode, the 5th diode, the six or two pole
Pipe, the 6th stabilivolt, first comparator, the second comparator, the 6th audion, the 7th audion, the first outfan and second are defeated
Go out end, wherein, the anode of described 3rd diode and the 4th diode is connected with the outfan of a road voltage transformation module, described
The anode of the 5th diode and the 6th diode is connected with the outfan of another road voltage transformation module；Described 3rd diode
Negative electrode the 9th resistance connects to the negative input end of first comparator, and the 13rd resistance one end connects to the negative input of first comparator
End, the other end is grounded；The outfan of described first comparator connects to the base stage of the 6th audion；Described 6th audion send out
Emitter grounding, colelctor electrode connects to the negative electrode of the 4th diode via described 17th resistance, and colelctor electrode connects to described
One outfan, described first outfan connects to the control end of described switching circuit；Described 4th diode and the 5th diode
Negative electrode be connected with the 18th resistance one end, the 18th resistance other end is respectively connecting to the negative electrode of described 6th stabilivolt, institute
State the positive input terminal of first comparator and the positive input terminal of described second comparator, the plus earth of described 6th stabilivolt；Institute
The negative electrode stating the 6th diode is connected with described 15th resistance one end, the other end of the 15th resistance respectively with the second comparator
Negative input end and the 16th resistance one end connect, the 16th the resistance other end ground connection；The outfan of described second comparator with
The base stage of the 7th audion connects, the grounded emitter of the 7th audion, and colelctor electrode connects to the via described 18th resistance
The negative electrode of four diodes, and colelctor electrode connects to described second outfan, described second outfan connects to the input of single-chip microcomputer
End.
Preferably, described handover module includes the tenth resistance, the 11st resistance, the second electric capacity, the 3rd electric capacity, the first rectification
Pipe, the second rectifier tube, the 3rd rectifier tube, the 4th audion and the 5th audion, wherein, the anode and of described first rectifier tube
Peripheral power supply connects, and the anode of described second rectifier tube is connected with another peripheral power supply, the negative electrode of described second rectifier tube and institute
The emitter stage stating the 4th audion connects, and the base stage of described 4th audion is connected with the colelctor electrode of described 5th audion, institute
State between emitter stage and the base stage that the tenth resistance is connected to described 4th audion；The emitter stage of described 5th audion is via institute
State the 11st resistance eutral grounding, base stage is connected with the first outfan of described dead electricity detection module；The current collection of described 4th audion
Pole is connected with the anode of described 3rd rectifier tube, and the negative electrode of described 3rd rectifier tube is connected with the negative electrode of described first rectifier tube；
Described second electric capacity one end is connected to the negative electrode of described 3rd rectifier tube, and the other end is grounded, described 3rd electric capacity and described second
Electric capacity is in parallel；The negative electrode of described 3rd rectifier tube is connected with the input of described over-voltage over-current protection module.
The marine sensor electric supply installation that the present invention provides passes through to arrange several and the one-to-one sensor of sensor
Power supply circuits, thus when a certain sensor feed circuit breaks down it is only necessary to change the sensor power electricity breaking down
Road, reduces the maintenance cost of maritime applications system；Additionally, sensor feed circuit include over-voltage over-current protection module, direct current-
DC conversion modules and monitoring modular, DC-to-dc modular converter output first voltage is to over-voltage over-current protection module and monitoring
Module, over-voltage over-current protection module according to the first preset voltage value and first voltage value on or off, thus prevent direct current-
The first voltage value of DC conversion modules output is excessive and burn sensor, improves the safety of maritime applications system；Monitoring modular
According to the second preset voltage value and the first voltage value output monitoring signal of telecommunication to single-chip microcomputer, enable a user to real-time monitoring
The working condition of sensor feed circuit, can be processed in time in emergency case, further increases system peculiar to vessel
The safety of system.
Brief description
Fig. 1 is the principle schematic of marine sensor electric supply installation one embodiment of the present invention；
Fig. 2 is the principle schematic of overcurrent and overvoltage protective module in marine sensor electric supply installation one embodiment of the present invention；
Fig. 3 is the principle schematic of monitoring modular in marine sensor electric supply installation one embodiment of the present invention；
Fig. 4 is the principle schematic of dead electricity detection module in marine sensor electric supply installation one embodiment of the present invention；
Fig. 5 is the principle schematic of handover module in marine sensor electric supply installation one embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of marine sensor electric supply installation, and with reference to Fig. 1, Fig. 1 supplies Denso for marine sensor of the present invention
Put the principle schematic of an embodiment, in one embodiment, if this marine sensor electric supply installation is used in maritime applications system
Dry sensor is powered, and above-mentioned marine sensor electric supply installation includes single-chip microcomputer 10 and the one-to-one sensor of sensor
Power supply circuits 20, and one be used for each sensor feed circuit 20 provide power supply power circuit 30, wherein, sensor power
Circuit 20 includes over-voltage over-current protection module 201, DC-to-dc modular converter 202 and monitoring modular 203；Over-voltage over-current protection
The input of module 201 is connected with the outfan of power circuit 30, the input of outfan and DC-to-dc modular converter 202
Connect, control end is connected with the outfan of DC-to-dc modular converter 202；The outfan of DC-to-dc modular converter 202 is also
It is connected with the input of monitoring modular 203 and sensor；The outfan of monitoring modular 203 is connected with the input of single-chip microcomputer 10.
Power circuit 30 provides power supply for each sensor feed circuit 20；DC-to-dc modular converter 202 output first electricity
Be depressed into over-voltage over-current protection module 201 and monitoring modular 203, over-voltage over-current protection module 201 according to the first preset voltage value and
First voltage value on or off, monitoring modular 203 is according to the second preset voltage value and the first voltage value output monitoring signal of telecommunication
To single-chip microcomputer 10.
In the present embodiment, the number of sensors that each above-mentioned marine sensor electric supply installation is connected can be according to actual need
It is configured, wherein, each sensor is correspondingly arranged a sensor feed circuit 20.Each sensor feed circuit 20 defeated
Go out voltage to be configured according to the needs of sensor, such as 36v, 24v, 12v or 5v etc., each sensor feed circuit
20 output current can also be configured according to the demand of sensor, thus ensure that this marine sensor electric supply installation can
It is powered for the sensor of multiple different models simultaneously.
When a certain sensor feed circuit 20 breaks down it is not necessary to change whole marine sensor electric supply installation
Fall it is only necessary to change the sensor feed circuit 20 breaking down.When the sensor that user needs different output voltages supplies
Get final product it is not necessary to again buy marine sensor electric supply installation, thus reducing it is only necessary to buy corresponding module during electric circuit 20
The maintenance cost of maritime applications system, also brings great convenience to user.
Power module provides power supply for each sensor feed circuit 20.DC-to-dc modular converter 202 provides for sensor
Running voltage (i.e. above-mentioned first voltage), and this running voltage is exported to over-voltage over-current protection module 201.Over-voltage over-current protection
Module 201 is provided with the first preset voltage value, presets when the first voltage value of DC-to-dc modular converter 202 output is more than first
During magnitude of voltage, then over-voltage over-current protection module 201 disconnects automatically, thus having cut off logical between power circuit 30 and sensor
Road is it is therefore prevented that the first voltage value of DC-to-dc modular converter 202 output is excessive and burn sensor.It should be noted that on
Stating the first preset voltage value can be configured according to actual needs, as long as both can guarantee that normal operation of sensor, can prevent again
DC-to-dc modular converter 202 exports excessive voltage and burns out sensor.
The output voltage of monitoring modular 203 monitor in real time DC-to-dc modular converter 202 and electric current, and by Monitoring Data
Send to single-chip microcomputer 10.Above-mentioned single-chip microcomputer 10 can be with external centralized control room, in the present embodiment, single-chip microcomputer 10 and centralized control room
Between be also connected with by intelligent protocol communication module, single-chip microcomputer 10 is sent Monitoring Data to centralized control room by intelligent protocol,
So that centralized control room is managed collectively.For example, centralized control room can arrange a display screen, and Monitoring Data is shown in real time
Being shown on display screen, thus allowing users to real-time monitored to Monitoring Data, to be processed in time in emergency case, carrying
The high safety of maritime applications system.
The marine sensor electric supply installation that the present invention provides passes through to arrange several and the one-to-one sensor of sensor
Power supply circuits 20, thus supply it is only necessary to change the sensor breaking down when a certain sensor feed circuit 20 breaks down
Circuit 20, reduces the maintenance cost of maritime applications system；Additionally, sensor feed circuit 20 includes over-voltage over-current protection mould
Block 201, DC-to-dc modular converter 202 and monitoring modular 203, DC-to-dc modular converter 202 output first voltage is to mistake
Pressure overcurrent protection module 201 and monitoring modular 203, over-voltage over-current protection module 201 is according to the first preset voltage value and the first electricity
Pressure value on or off, thus preventing the first voltage value that DC-to-dc modular converter 202 exports excessive and burning sensing
Device, improves the safety of maritime applications system；Monitoring modular 203 is according to the second preset voltage value and first voltage value output monitoring electricity
Signal, to single-chip microcomputer 10, enables a user to the working condition of real-time monitoring sensor feed circuit 20, so that in burst
Can be processed in time during situation, be further increased the safety of maritime applications system.
Further, power circuit 30 includes at least two voltage transformation modules 301, in each voltage transformation module
The handover module 302 switching between 301 and the dead electricity inspection for detecting the output state of each voltage transformation module 301
Survey module 303, wherein, the input of voltage transformation module 301 connects one to one a peripheral power supply, each voltage transformation module
301 outfan is connected to the input of handover module 302 and the input of dead electricity detection module 303；Dead electricity detection module
303 outfan connects to the control end of handover module 302；The outfan of handover module 302 and over-voltage over-current protection module 201
Input connect；
Each voltage transformation module 301 output corresponding electric signal is to dead electricity detection module 303, dead electricity detection module 303 basis
To handover module 302, handover module 302 controls corresponding one according to the switching signal of telecommunication to the electric signal output switching signal of telecommunication receiving
Voltage transformation module 301 is powered for each sensor feed circuit 20.
The quantity of above-mentioned voltage transformation module 301 can be configured according to actual needs, and the present embodiment is to arrange 3 electricity
Illustrate as a example pressure modular converter 301.First via voltage transformation module 301 external exchange 220v power supply, and first via voltage
Modular converter 301 is an AC-DC converter, is output as 24v unidirectional current；Second road voltage transformation module 301 is external primary
Direct current 27v power supply, the external standby direct current 27v power supply of the 3rd road voltage transformation module 301, the second road and the 3rd tunnel voltage conversion mould
Block 301 all exports 24v unidirectional current.
Above-mentioned three road voltage transformation module 301 output 24v unidirectional current is to handover module 302.Handover module 302 controls all the time
Wherein one road voltage transformation module 301 is powered for sensor feed circuit 20.Dead electricity detection module 303 is to each road voltage
Electric-examination brake is all lost in the output of modular converter 301, when dead electricity detection module 303 finds that a certain road voltage is lost, then loses
Electro-detection module 303 exports a switching signal to handover module 302, and handover module 302 will control another according to this switching signal
Road voltage transformation module 301 is powered for each sensor feed circuit 20.Handover module 302 can be each road voltage transformation module
301 setting priority, for example, could be arranged to first via voltage transformation module 301 (exchanging 220v) highest priority, secondly
For the second road voltage transformation module 301 (i.e. primary 27v), finally for the 3rd road voltage transformation module 301 (i.e. standby 27v).When
When having normal 220v AC-powered to first via voltage transformation module 301, preferentially use 220v alternating current；When 220v alternating current
During inefficacy, that is, during first via voltage transformation module 301 output dead electricity, then first via voltage transformation module 301 will export accordingly electricity
To dead electricity detection module 303, dead electricity detection module 303 is according to the electric signal output switching signal of telecommunication receiving to switching mould for signal
Block 302, it is each sensor power electricity that handover module 302 controls corresponding second road voltage transformation module 301 according to the switching signal of telecommunication
Road 20 powers, by that analogy.Additionally, when having the high voltage transformation module of priority 301 to restore electricity, then this sensing peculiar to vessel
Device electric supply installation can nondestructively switch on the voltage transformation module 301 of high priority automatically, the voltage of other low priorities
Modular converter 301 then uses as stand-by power supply.
Further, power circuit 30 also includes accumulator 304 and charging module 305, wherein, the output of accumulator 304
End is respectively connecting to the input of handover module 302 and the input of dead electricity detection module 303, dead electricity detection module 303 defeated
Go out end to be connected with the input of single-chip microcomputer 10, the outfan of single-chip microcomputer 10 is connected with the control end of charging module 305；Charging module
305 input is connected with the outfan of handover module 302, and the outfan of charging module 305 is connected with the charging end of accumulator 304
Connect；, to dead electricity detection module 303, dead electricity detection module 303 is according to the electricity receiving for voltage transformation module 301 output corresponding electric signal
Signal output charging signals control charging module 305 to fill for accumulator 304 to single-chip microcomputer 10, single-chip microcomputer 10 according to charging signals
Electricity.
In the present embodiment, above-mentioned accumulator 304 exports 12v DC voltage, when above-mentioned each road voltage transformation module 301 is all sent out
When raw fault or output abnormality, then handover module 302 will control accumulator 304 to be powered for sensor feed circuit 20.
When above-mentioned at least one road voltage transformation module 301 is working properly, due to outfan and the charging of handover module 302
The input of module 305 connects, and therefore charging module 305 charges for accumulator 304.
Additionally, so that accumulator 304 keeps optimal charged state, single-chip microcomputer 10 can receive from centralized control
The charging curve of room, then single-chip microcomputer 10 controlled charging module 305 to charge for accumulator 304 according to this charging curve.Preferably
Ground, carries out four-part form charging to accumulator 304, i.e. trickle charge, constant-voltage charge, constant-current charge and floating charge, thus extending
The service life of accumulator 304 and safety.Single-chip microcomputer 10 can also be by above-mentioned intelligent protocol communication module transmission simultaneously
The status information (such as charging capacity, charge and discharge process and fault message etc.) of accumulator 304 to centralized control room so that user
Centralized control room management of battery 304 can be passed through.
When each road voltage transformation module 301 all breaks down, single-chip microcomputer 10 will export a control signal to handover module
302 so that the path between handover module 302 and charging module 305 disconnects automatically, and charging module 305 stops as accumulator 304
Charge, accumulator 304 is in discharge condition.
Further, above-mentioned marine sensor electric supply installation also includes the warning being connected with the outfan of monitoring modular 203
Circuit 40, to warning circuit 40, warning circuit 40 sends report according to the warning signal of telecommunication to the monitoring modular 203 output warning signal of telecommunication
Alert.
In the present embodiment, warning circuit 40 includes the panel report that several are connected one to one with above-mentioned monitoring modular 203
Alert module 401, and a total alarm module and the face plate alarm module being connected with this total alarm module outfan.Wherein, always
The input of alarm module is respectively connecting to the outfan of each monitoring modular 203.
Above-mentioned panel alarm module 401 can be led display lamp and/or buzzer etc., specifically can be according to actual needs
It is configured.When monitoring modular 203 monitors that DC-to-dc modular converter 202 breaks down or during output abnormality, then export different
Often to panel alarm module 401 and total alarm module, panel alarm module 401 sends warning to the signal of telecommunication.Total alarm module docking
After the aberrant electrical signals receiving are processed, send warning by controlling connected panel alarm module 401.
Further, above-mentioned marine sensor electric supply installation also includes be connected between monitoring module and single-chip microcomputer 10
One isolation circuit 50.The present embodiment pass through to arrange the first isolation circuit 50 it is therefore prevented that when this sensor feed circuit 20 occur former
Barrier or during operation irregularity, the curtage signal of output is excessive and lead to damage single-chip microcomputer 10, further increase this peculiar to vessel
The safety of sensor power device.
Further, above-mentioned marine sensor electric supply installation also includes being connected to dead electricity detection module 303 and single-chip microcomputer 10
Between the second isolation circuit 60.The present embodiment pass through to arrange the second isolation circuit 60 it is therefore prevented that when power circuit 30 occur former
Barrier or during operation irregularity, the curtage signal of output is excessive and lead to damage single-chip microcomputer 10, further increase this peculiar to vessel
The safety of sensor power device.
Specifically, with reference to Fig. 2, Fig. 2 is over-current over-voltage protection mould in marine sensor electric supply installation one embodiment of the present invention
The principle schematic of block, above-mentioned over-voltage over-current protection module 201 include first resistor r1, second resistance r2,3rd resistor r3,
Four resistance r4, the 5th resistance r5, the first stabilivolt zd1, the first inductance l1, electric fuse f1, the first electric capacity c1, the first audion
Q1, the second audion q2, IGCT vt1 and the first diode d1；Wherein, the output of first inductance l1 one end and power circuit 30
End connects, and the other end is connected with electric fuse f1 one end, and the electric fuse f1 other end is respectively connecting to the anode and first of IGCT vt1
The anode of diode d1, the negative electrode of the first diode d1 is connected with the input of DC-to-dc modular converter 202；First voltage stabilizing
The negative electrode of pipe zd1 is the control end of over-voltage over-current protection module 201, and connects with the outfan of DC-to-dc modular converter 202
Connect；The anode of the first stabilivolt zd1 connects via first resistor r1 to the base stage of the first audion q1；Second resistance r2 one end is even
It is connected to the base stage of the first audion q1, the other end is grounded；First electric capacity c1 one end connects to the base stage of the first audion q1, another
End ground connection；The grounded emitter of the first audion q1, colelctor electrode connects via the 4th resistance r4 to the base stage of the second audion q2,
3rd resistor r3 is connected between the base stage of the second audion q2 and the anode of the first diode d1；The transmitting of the second audion q2
Pole is connected with the anode of the first diode d1, and colelctor electrode connects to the control pole of IGCT vt1, IGCT via the 5th resistance r5
The minus earth of vt1.
Above-mentioned handover module 302 outfan connects to the first inductance l1, sequentially pass through the first inductance l1, electric fuse f1,
Output voltage out after one diode d1, out as the input of DC-to-dc modular converter 202, through DC-to-dc modulus of conversion
After output voltage sensor-supply after block 202, voltage sensor-supply are processed through over-sampling and amplifier circuit, meeting
The magnitude of voltage of sampling and current value are transformed to pwr (as shown in Figure 2).
When DC-to-dc modular converter 202 output voltage sensor-supply is normal, pwr will not puncture the first voltage stabilizing
The base voltage of pipe zd1, the first audion q1 is 0, the first audion q1 cut-off, and the therefore second audion q2 is also switched off, circuit
Normal work, the voltage that handover module 302 exports is sent to DC-to-dc modular converter 202 by this over-voltage over-current protection circuit.
When DC-to-dc modular converter 202 output voltage sensor-supply is more than the first preset voltage value, pwr meeting
Puncture the first stabilivolt zd1, first resistor r1 is a current-limiting resistance, will protect it from meeting when the first stabilivolt zd1 is breakdown
Overcurrent damage；When the first stabilivolt zd1 is breakdown, then the first audion q1 conducting, the therefore second audion q2 is also switched on, that
Voltage power flows to colelctor electrode by the emitter stage of the second audion q2, then flows to IGCT vt1 by the 5th resistance r5
Control pole, IGCT vt1 turn on.After IGCT vt1 conducting, voltage power can be directly over the first inductance l1, electric fuse f1
It is grounded with IGCT vt1, thus producing high current and blowout f1, thus cut off handover module 302 turning with DC-to-dc
Connection between die change block 202, protects sensor to be not damaged by.
Specifically, with reference to Fig. 3, Fig. 3 is monitoring modular and panel in marine sensor electric supply installation one embodiment of the present invention
The principle schematic of alarm module, above-mentioned monitoring modular 203 include the 6th resistance r6, the 7th resistance r7, the second stabilivolt zd2,
Photoelectrical coupler gd1, mos pipe q3 and the second diode d2, wherein, the 6th resistance r6 is connected to DC-to-dc modular converter 202
And the negative electrode of the second stabilivolt zd2 between, the anode of the second stabilivolt zd2 is connected with the anode of photoelectrical coupler gd1；Light thermocouple
The negative electrode of clutch gd1 is connected with DC-to-dc modular converter 202, grounded emitter, and colelctor electrode is connected with the grid of mos pipe q3,
7th resistance r7 one end is connected with the colelctor electrode of photoelectrical coupler gd1, and the other end is connected with peripheral DC source；Mos pipe q3's
Source ground, drain electrode is connected with the negative electrode of the second diode d2, and the anode of the second diode d2 is connected with warning circuit 40.Reference
One end for connecting DC-to-dc modular converter 202 of Fig. 3, the 6th resistance r6 is set to v+ end, the moon of photoelectrical coupler gd1
Pole is set to v- end；The anode of the second diode d2 is set to com end.
In the present embodiment, the outfan of above-mentioned DC-to-dc modular converter 202 connect to monitoring modular 203 v+ end and
V- end, com end connects total alarm module and the first isolation circuit 50 to above-mentioned warning circuit 40；Additionally, the leakage of mos pipe q3
Pole is also connected with panel alarm module 401.
Panel alarm module 401 includes the 8th resistance r8, the 9th resistance r9 and light emitting diode gd2, wherein, the 8th resistance
R8 one end is connected with the drain electrode of mos pipe q3, and the other end is connected with the negative electrode of light emitting diode gd2, the anode of light emitting diode gd2
It is connected with peripheral DC source, the 9th resistance r9 is in parallel with light emitting diode gd2.
When DC-to-dc modular converter 202 output voltage is normal, after the 6th resistance r6, puncture the second stabilivolt
Zd2, photoelectrical coupler gd1 turn on, and the voltage at v10 is 0v, then mos pipe q3 ends, and luminous the two of panel alarm module 401
Pole pipe gd2 is extinguished, and at v11, voltage is pwr0.Com end also cannot turn on simultaneously, and the display lamp of total alarm module extinguishes.First every
Cannot turn on from circuit 50, single-chip microcomputer 10 can't detect the signal of telecommunication that the first isolation circuit 50 sends and then thinks that DC-to-dc turns
Die change block 202 exports normally.
When DC-to-dc modular converter 202 output voltage is abnormal, that is, DC-to-dc modular converter 202 output voltage is little
When the second preset voltage value, the voltage of DC-to-dc modular converter 202 output cannot puncture second after the 6th resistance r6
Stabilivolt zd2, photoelectrical coupler gd1 end, and the voltage of v10 is pwr0v, then mos pipe q3 turns on, panel alarm module 401
Light emitting diode gd2 light, at v11 voltage be 0v.Com end is also switched on being grounded through the second diode d2 simultaneously, total warning
The display lamp of module is lighted.First isolation circuit 50 turns on, and single-chip microcomputer 10 detects the telecommunications that the first isolation circuit 50 sends
Number then think DC-to-dc modular converter 202 output abnormality, police instruction information is transferred to central authorities by intelligent bus simultaneously
Central station of floating dock.It should be noted that above-mentioned second preset voltage value can be configured according to actual needs.
Specifically, with reference to Fig. 4, Fig. 4 is dead electricity detection module in marine sensor electric supply installation one embodiment of the present invention
Principle schematic, dead electricity detection module 303 include the 12nd resistance r12, the 13rd resistance r13, the 14th resistance r14, the tenth
Five resistance r15, the 16th resistance r16, the 17th resistance r17, the 18th resistance r18, the 3rd diode d3, the 4th diode
D4, the 5th diode d5, the 6th diode d6, the 6th stabilivolt zd6, first comparator op1, the second comparator op2, the six or three
Pole pipe q6, the 7th audion q7, the first outfan and the second outfan, wherein, the 3rd diode d3's and the 4th diode d4
Anode is connected with the outfan of a road voltage transformation module 301 (being set to first via voltage transformation module 301), the 5th diode d5
With the anode of the 6th diode d6 and the output of another road voltage transformation module 301 (being set to the second road voltage transformation module 301)
End connects；Negative electrode the 9th resistance r9 of the 3rd diode d3 connects to the negative input end of first comparator op1, the 13rd resistance
R13 one end connects to the negative input end of first comparator op1, and the other end is grounded；The outfan of first comparator op1 connects to
The base stage of six audion q6；The grounded emitter of the 6th audion q6, colelctor electrode connects straight to periphery via the 17th resistance r17
Flow power supply, and colelctor electrode connects to the first outfan, the first outfan connects to the control end of handover module 302；Four or two pole
The negative electrode of pipe d4 and the 5th diode d5 is connected with the 14th resistance r14 one end, and the 14th resistance r14 other end is respectively connecting to
The positive input terminal of the negative electrode of the 6th stabilivolt zd6, the positive input terminal of first comparator op1 and the second comparator op2, the 6th voltage stabilizing
The plus earth of pipe zd6；The negative electrode of the 6th diode d6 is connected with the 15th resistance r15 one end, and the 15th resistance r15's is another
End is connected with the negative input end of the second comparator op2 and the 16th resistance r16 one end respectively, another termination of the 16th resistance r16
Ground；The outfan of the second comparator op2 is connected with the base stage of the 7th audion q7, the grounded emitter of the 7th audion q7, collection
Electrode connects to peripheral DC source via the 18th resistance r18, and colelctor electrode connects to the second outfan, described second output
End connects to the input of single-chip microcomputer 10.
In the present embodiment, the priority of above-mentioned first via voltage transformation module 301 is higher than the second road voltage transformation module 301
Priority.Only need to extend when voltage transformation module 301 is for multichannel, will not be described here.
The above-mentioned first outfan output switching signal of telecommunication.
First, first via voltage transformation module 301 and the second road voltage transformation module 301 are through the 4th diode d4 and
After five diode d5, output is set to pwr, and pwr is followed by the 6th stabilivolt zd6 through the 14th resistance r14, and the 6th stabilivolt zd6 is defeated
The constant voltage going out is set to vref.
Secondly, the second road voltage transformation module 301 is followed by the 15th resistance r15 and the 17th electricity through the 6th diode d6
After resistance r17, pressure-dividing output voltage is set to v2, and first via voltage transformation module 301 is followed by the 12nd resistance through the 3rd diode d3
After r12 and the 13rd resistance r13 partial pressure, output voltage is set to v1.
When first via voltage transformation module 301 exports normal, the v1 after partial pressure is more than voltage stabilizing and exports vref, then
At v3, voltage is 0, then the first outfan output voltage is 0, and that is, switching signal of telecommunication switch is low level, and representing does not need to carry out
Lossless switching operates, and the voltage transformation module 301 of high priority will supply electricity to sensor feed circuit 20.
When first via voltage transformation module 301 output abnormality, the v1 after partial pressure is less than voltage stabilizing and exports vref, then
At v3, voltage is pwr, then the first outfan output voltage is pwr, and that is, switching signal is high level, and representing needs to carry out lossless cutting
Change operation, the voltage transformation module 301 of low priority will supply electricity to sensor feed circuit 20.
Again, the second road voltage transformation module 301 is followed by the 15th resistance r15 and the 16th electricity through the 6th diode d6
After resistance r16, pressure-dividing output voltage is set to v2, if v2 is more than voltage stabilizing and exports vref, then at v4, voltage is 0, then the second outfan
Output voltage is 0, and that is, dead electricity signal fault is 0, represents input no dead electricity；If v2 is less than voltage stabilizing and exports vref, then at v4
Voltage is pwr, then the second outfan output voltage is pwr, and that is, dead electricity signal fault is output as pwr, represents input dead electricity.As
Fruit think multichannel input use simultaneously, due to comparator be oc door output, can directly line and.So it is several according to specifically used cascade
Group is just permissible, output simultaneously can directly line and.
Specifically, with reference to Fig. 5, Fig. 5 is the principle of handover module in marine sensor electric supply installation one embodiment of the present invention
Schematic diagram, handover module 302 includes the tenth resistance r10, the 11st resistance r11, the second electric capacity c2, the 3rd electric capacity c3, first whole
Flow tube zd3, the second rectifier tube zd4, the 3rd rectifier tube zd5, the 4th audion q4 and the 5th audion q5, wherein, the first rectification
The anode of pipe zd3 is connected with a road voltage transformation module 301 (being set to first via voltage transformation module 301), the second rectifier tube zd4
Anode be connected with another road voltage transformation module 301 (being set to the second road voltage transformation module 301), the second rectifier tube zd4's
Negative electrode is connected with the emitter stage of the 4th audion q4, and the base stage of the 4th audion q4 is connected with the colelctor electrode of the 5th audion q5,
Tenth resistance r10 is connected between emitter stage and the base stage of the 4th audion q4；The emitter stage of the 5th audion q5 is via the tenth
One resistance r11 ground connection, base stage is connected with the first outfan of dead electricity detection module 303；The colelctor electrode of the 4th audion q4 and
The anode of three rectifier tube zd5 connects, and the negative electrode of the 3rd rectifier tube zd5 is connected with the negative electrode of the first rectifier tube zd3；Second electric capacity c2
One end is connected to the negative electrode of the 3rd rectifier tube zd5, and the other end is grounded, and the 3rd electric capacity c3 is in parallel with the second electric capacity c2；3rd rectification
The negative electrode of pipe zd5 is connected with the input of over-voltage over-current protection module 201.
The base stage of above-mentioned 5th audion q5 is the control end of this handover module 302.Above-mentioned first via voltage conversion mould
The priority of block 301 is higher than the priority of the second road voltage transformation module 301.The negative electrode of above-mentioned 3rd rectifier tube zd5 is should
The outfan of handover module 302.
First via voltage transformation module 301 is directly connected to outfan after the first rectifier tube zd3, and the second road voltage turns
The outfan of die change block 301 connects to the anode of the second rectifier tube zd4.
When first via voltage transformation module 301 is working properly, then the switching signal of telecommunication of dead electricity detection module 303 output
Switch is low level, and this handover module 302 do not work, and outfan is equivalent to and is connected directly to sensor feed circuit 20.
When first via voltage transformation module 301 operation irregularity, then the switching signal of telecommunication of dead electricity detection module 303 output
Switch is high level, the 5th audion q5 conducting, also results in the 4th triode ON q4, then the second road voltage turns simultaneously
Then the output voltage of die change block 301 can flow to colelctor electrode by the emitter stage of the 4th audion q4 through the second rectifier tube zd4,
Eventually pass the 3rd rectifier tube zd5 and the second electric capacity c2 and the 3rd electric capacity c3 and be connected to outfan, so that the second road electricity
Pressure modular converter 301 is powered to sensor feed circuit 20.Second electric capacity c2 and the 3rd electric capacity c3 capacity are larger, mainly in electricity
When the lossless switching of road, voltage is provided to keep function it is ensured that the voltage being loaded into outfan will not occur in the moment of switching
Beat and change.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of marine sensor electric supply installation, for being powered to some sensors in maritime applications system it is characterised in that
Described marine sensor electric supply installation includes single-chip microcomputer and the one-to-one sensor feed circuit of described sensor, Yi Jiyi
For each sensor feed circuit is provided with the power circuit of power supply, wherein, described sensor feed circuit includes over-voltage and over-current
Protection module, DC-to-dc modular converter and monitoring modular；The input of described over-voltage over-current protection module and described power supply electricity
The outfan on road connects, and outfan is connected with the input of described DC-to-dc modular converter, and control end and described direct current-directly
The outfan of stream modular converter connects；The input also with described monitoring modular for the outfan of described DC-to-dc modular converter
Connect with described sensor；The outfan of described monitoring modular is connected with the input of described single-chip microcomputer；Described power circuit is
Each sensor feed circuit provides power supply；Described DC-to-dc modular converter output first voltage is to described over-voltage over-current protection
Module and monitoring modular, described over-voltage over-current protection module turns on according to the first preset voltage value and described first voltage value or closes
Disconnected, when described first voltage value is more than the first preset voltage value, described over-voltage over-current protection module disconnects；Described monitoring modular
According to the second preset voltage value and the described first voltage value output monitoring signal of telecommunication to described single-chip microcomputer；
Described over-voltage over-current protection module include first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, first
Stabilivolt, the first inductance, electric fuse, the first electric capacity, the first audion, the second audion, IGCT and the first diode；Its
In, described first inductance one end is connected with the outfan of described power circuit, and the other end is connected with described electric fuse one end, described
The electric fuse other end is respectively connecting to the anode of described IGCT and the anode of described first diode, described first diode
Negative electrode is connected with the input of described DC-to-dc modular converter；The negative electrode of described first stabilivolt is that described over-voltage and over-current is protected
The control end of shield module, and be connected with the outfan of described DC-to-dc modular converter；The anode of described first stabilivolt via
Described first resistor connects to the base stage of described first audion；Described second resistance one end connects to described first audion
Base stage, the other end is grounded；Described first electric capacity one end connects to the base stage of described first audion, and the other end is grounded；Described
The grounded emitter of one audion, colelctor electrode connects to the base stage of described second audion via described 4th resistance, and described
Three resistance are connected between the base stage of described second audion and the anode of described first diode；Described second audion send out
Emitter-base bandgap grading is connected with the anode of described first diode, and colelctor electrode connects to the control of described IGCT via described 5th resistance
Pole, the minus earth of described IGCT.
2. marine sensor electric supply installation as claimed in claim 1 is it is characterised in that described power circuit includes at least two
Voltage transformation module, for the handover module that switches between each described voltage transformation module and be used for detecting each electricity
The dead electricity detection module of the output state of pressure modular converter, wherein,
The input of described voltage transformation module connects one to one a peripheral power supply, the outfan of each described voltage transformation module
It is connected to the input of described handover module and the input of described dead electricity detection module；The output of described dead electricity detection module
End connects to the control end of described handover module；The outfan of described handover module and the input of described over-voltage over-current protection module
End connects；
To described dead electricity detection module, described dead electricity detection module is according to connecing for each described voltage transformation module output corresponding electric signal
The electric signal output switching signal of telecommunication receiving controls phase to described handover module, described handover module according to the described switching signal of telecommunication
A voltage transformation module is answered to power for described each sensor feed circuit.
3. marine sensor electric supply installation as claimed in claim 2 is it is characterised in that described power circuit also includes accumulator
And charging module, wherein,
The outfan of described accumulator is respectively connecting to the input of described handover module and the input of described dead electricity detection module
End, the outfan of described dead electricity detection module is connected with the input of described single-chip microcomputer, the outfan of described single-chip microcomputer with described
The control end of charging module connects；The input of described charging module is connected with the outfan of described handover module, described charging
The outfan of module is connected with the charging end of described accumulator；
, to described dead electricity detection module, described dead electricity detection module is according to reception for described voltage transformation module output corresponding electric signal
Electric signal output charging signals to described single-chip microcomputer, described single-chip microcomputer controls the described charging module to be according to described charging signals
Described accumulator charges.
4. marine sensor electric supply installation as claimed in claim 3 is it is characterised in that also include defeated with described monitoring modular
Go out the warning circuit that end connects, the described monitoring modular output warning signal of telecommunication to described warning circuit, described warning circuit according to
The described warning signal of telecommunication sends warning.
5. marine sensor electric supply installation as claimed in claim 4 is it is characterised in that also include being connected to described monitoring modular
The first isolation circuit and described single-chip microcomputer between.
6. marine sensor electric supply installation as claimed in claim 5 is it is characterised in that also include being connected to described dead electricity detection
The second isolation circuit between module and described single-chip microcomputer.
7. the marine sensor electric supply installation as described in any one of claim 4 to 6 is it is characterised in that described monitoring modular bag
Include the 6th resistance, the 7th resistance, the second stabilivolt, photoelectrical coupler, mos pipe and the second diode, wherein,
Described 6th resistance is connected between described DC-to-dc modular converter and the negative electrode of described second stabilivolt, and described
The anode of two stabilivolts is connected with the anode of described photoelectrical coupler；
The negative electrode of described photoelectrical coupler is connected with described DC-to-dc modular converter, grounded emitter, colelctor electrode with described
The grid of mos pipe connects, and described 7th resistance one end is connected with the colelctor electrode of described photoelectrical coupler, the other end and periphery direct current
Power supply connects；
The source ground of described mos pipe, drain electrode be connected with the negative electrode of described second diode, the anode of described second diode and
Described warning circuit connects.
8. the marine sensor electric supply installation as described in any one of claim 2 to 6 is it is characterised in that described dead electricity detects mould
Block include the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance, the 16th resistance, the 17th resistance, the tenth
Eight resistance, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 6th stabilivolt, first comparator, second
Comparator, the 6th audion, the 7th audion, the first outfan and the second outfan, wherein,
The anode of described 3rd diode and the 4th diode is connected with the outfan of a road voltage transformation module, and the described 5th 2
The anode of pole pipe and the 6th diode is connected with the outfan of another road voltage transformation module；
The negative electrode of described 3rd diode connects to the negative input end of first comparator through the 12nd resistance, the 13rd resistance one end
Connect to the negative input end of first comparator, the other end is grounded；The outfan of described first comparator connects to the 6th audion
Base stage；The grounded emitter of described 6th audion, colelctor electrode connects to peripheral DC source via described 17th resistance,
And colelctor electrode connects to described first outfan, described first outfan connects to the control end of described switching circuit；
The negative electrode of described 4th diode and the 5th diode is connected with the 14th resistance one end, and the 14th resistance other end is respectively
Connect the positive input of the negative electrode, the positive input terminal of described first comparator and described second comparator to described 6th stabilivolt
End, the plus earth of described 6th stabilivolt；
The negative electrode of described 6th diode is connected with described 15th resistance one end, and the other end of the 15th resistance is respectively with second
The negative input end of comparator and the 16th resistance one end connect, the 16th resistance other end ground connection；
The outfan of described second comparator is connected with the base stage of the 7th audion, the grounded emitter of the 7th audion, current collection
Pole connects to peripheral DC source via described 18th resistance, and colelctor electrode connects to described second outfan, and described second
Outfan connects to the input of single-chip microcomputer.
9. marine sensor electric supply installation as claimed in claim 8 is it is characterised in that described handover module includes the tenth electricity
Resistance, the 11st resistance, the second electric capacity, the 3rd electric capacity, the first rectifier tube, the second rectifier tube, the 3rd rectifier tube, the 4th audion and
5th audion, wherein,
The anode of described first rectifier tube is connected with a peripheral power supply, and the anode of described second rectifier tube is with another peripheral power supply even
Connect, the negative electrode of described second rectifier tube is connected with the emitter stage of described 4th audion, the base stage of described 4th audion and institute
The colelctor electrode stating the 5th audion connects, and described tenth resistance is connected between emitter stage and the base stage of described 4th audion；
The emitter stage of described 5th audion is via described 11st resistance eutral grounding, base stage and the first of described dead electricity detection module
Outfan connects；
The colelctor electrode of described 4th audion is connected with the anode of described 3rd rectifier tube, the negative electrode of described 3rd rectifier tube and institute
The negative electrode stating the first rectifier tube connects；
Described second electric capacity one end is connected to the negative electrode of described 3rd rectifier tube, and the other end is grounded, described 3rd electric capacity with described
Second electric capacity is in parallel；
The negative electrode of described 3rd rectifier tube is connected with the input of described over-voltage over-current protection module.
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| CN201410203419.7A CN104037752B (en) | 2014-05-14 | 2014-05-14 | Sensor power-supplying device used for ship |
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| CN104639154A (en) * | 2014-12-18 | 2015-05-20 | 浙江大学 | Voltage conversion system of seafloor observatory network secondary junction box |
| CN109130948B (en) * | 2018-09-12 | 2024-03-01 | 深圳市思达仪表有限公司 | BMS double-auxiliary-source power supply system |
| CN109921629A (en) * | 2019-03-14 | 2019-06-21 | 广州市红鹏直升机遥感科技有限公司 | Holder for aerial photographing power supply system |
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| CN100581869C (en) * | 2008-09-28 | 2010-01-20 | 东南大学 | Multi-target comprehensive control energy-saving device for subway power supply system |
| JP5473998B2 (en) * | 2011-07-08 | 2014-04-16 | 株式会社コンテック | Non-contact power supply equipment |
| CN203895981U (en) * | 2014-05-14 | 2014-10-22 | 上海磊华船舶工程有限公司 | Marine sensor power supply apparatus |
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Effective date of registration: 20230517 Address after: Room 2024, Area A, East Podium Building, 2nd Floor, Building 4, No. 3560 Waiqingsong Road, Baihe Town, Qingpu District, Shanghai, 201709 Patentee after: BIWA SHANGHAI MARINE ENGINEERING CO.,LTD. Patentee after: Shanghai Napu Measurement and Control Technology Co.,Ltd. Address before: 201700 Building 2-1306D, No. 948 Xiangda Road, Baihe Town, Qingpu District, Shanghai Patentee before: BIWA SHANGHAI MARINE ENGINEERING CO.,LTD. |