CN208484819U - A kind of control of LNG fuels and energy ship, monitoring and security system - Google Patents
A kind of control of LNG fuels and energy ship, monitoring and security system Download PDFInfo
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- CN208484819U CN208484819U CN201820708445.9U CN201820708445U CN208484819U CN 208484819 U CN208484819 U CN 208484819U CN 201820708445 U CN201820708445 U CN 201820708445U CN 208484819 U CN208484819 U CN 208484819U
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Abstract
The utility model discloses a kind of controls of LNG fuels and energy ship, monitoring and security system, it is related to ship control system field, more particularly to a kind of LNG fuels and energy ship control, monitoring and security system, including central controller, display unit, power supply processing unit, communications processor element, signal acquisition unit and signal output unit, gate control monitoring instrument is isolated by signals security in the signal acquisition unit, the signal output unit controls quick action emergency valve by intermediate relay, combined aural and visual alarm and explosion-proof fan, fire alarm plate is also respectively connected in the communications processor element, drive platform remote alarms plate and engine, the utility model is to the full ship security alerting system of LNG fuel ship, gas filling system, fuel system, gas valve member unit, cabin etc. is monitored, and according to tank temperature, liquid The advantages of position, pressure and each gas on-site detector, temperature-sensitive sense smoke sensor carry out interlock protection and emergency cut-off, have safety good, high reliablity.
Description
Technical field
The utility model relates to ship control system field more particularly to a kind of controls of LNG fuels and energy ship, monitoring and peace
Total system.
Background technique
" preventing ship from polluting international convention " (MARPOL) supplemental provisions VI that International Maritime Organization (IMO) is promulgated, will
Stringenter NO is gradually implemented to the whole world and emission control areaxAnd SOxEmission request.Traditional ship is using diesel oil as master
Fuel is wanted, NO is limitedxAnd SOxDischarge costs are higher and limited success, LNG fuel have clean and environmental protection, the advantage of economical and efficient,
To energy-saving and emission-reduction, Optimization of Energy Structure, improves air quality and protect water pollution significant.
Ship LNG engine is divided into two kinds, i.e. the mono- fuel of LNG and diesel-LNG double fuel, single-fuel engine use day
Right gas replaces diesel oil completely, and dual fuel engine is to increase LNG air supply system and double fuel electricity on the basis of existing diesel
Spraying system is controlled, to realize the pure diesel oil and diesel-LNG two kinds of operating modes of mixed combustion of engine.
It is vital, the LNG fuels and energy ship security under the prior art safely for LNG fuels and energy ship
System is often integrated with control system, interrelated, when a system when something goes wrong, other systems also will appear therefore
Barrier.
Therefore, designing a kind of comprehensive early warning and can handle the control of LNG fuels and energy ship, monitoring and safety system of hidden danger
System has realistic meaning very much.
Utility model content
The purpose of this utility model is that: comprehensive can be monitored to solve to lack under the prior art one kind, early warning simultaneously
The control of LNG fuels and energy ship, monitoring and the security system of emergent management hidden danger, it is dynamic that the utility model provides a kind of LNG fuel
The control of power ship, monitoring and security system, to the full ship security alerting system of LNG fuel ship, gas filling system, fuel supply system
System, gas valve member unit, cabin etc. are monitored, and according to tank temperature, liquid level, pressure and each gas on-site detector, sense
Warming smoke sensor carries out interlock protection and emergency cut-off, and associated monitoring and security state are sent to driver's cabin, someone
Nacelle position.The work of the other equipment such as gaseous propellant engine, distribution system and alarm condition can be reached driver's cabin, have it is man-machine
Freight space is set, and is had the advantages that safe and reliable.
The technical method that the utility model uses is as follows:
A kind of control of LNG fuels and energy ship, monitoring and security system, including central controller, display unit, power supply processing
Unit, communications processor element, signal acquisition unit and signal output unit, the central controller respectively with display unit, electricity
Source processing unit, signal acquisition unit, signal output unit and communications processor element electrical connection further include security control cabinet and are driven
Platform is controlled, the central controller is set in security control cabinet, and the signal acquisition unit is isolated gate control by signals security and is supervised
Instrument is surveyed, the signal output unit controls quick action emergency valve, combined aural and visual alarm and explosion-proof fan by intermediate relay.
Further, the communications processor element is separately connected fire alarm plate, drives platform remote alarms plate and engine.
Further, the power supply processing unit is respectively connected to alternating current 220V power supply and direct current 24V power supply, the exchange
220V power supply and direct current 24V power supply are mutually redundant.
Further, the power supply processing unit is respectively connected to alternating current 220V power supply and direct current 24V power supply, the exchange
220V power supply is main power source, is provided by AC220V low-tension distribution board, and the direct current 24V power supply is backup power source, by DC24V low pressure
Panel provides, and is additionally provided with emergency standby power in the power supply processing unit, the emergency standby power is stored by DC24V/7Ah
Battery provides.
Further, the monitoring instrument includes that liquid level sensor, pressure sensor, temperature sensor and fuel gas pass
Sensor.
Further, the liquid level sensor, pressure sensor, temperature sensor and combustible gas sensor be each provided at
In engine connected gaseous fuel charging system and gas fuel supply system.
Further, the fire alarm plate uses standard MODBUS protocol to connect between communications processor element, institute
It states and drives platform remote alarms plate and communications processor element using Industrial Ethernet communication connection, the engine and communication process list
CAN protocol communication connection is used between member.
Further, the monitoring instrument passes through the current signal that collected environmental parameter is converted into 4~20 milliamperes
After security isolation grid, entering signal acquisition unit, and send central controller to and analyzed and handled.
Further, it the security cabinet control panel and drives platform remote alarms plate and is all made of graphic control panel, security cabinet
Control plane can show real time data, process flow chart, equipment running status and the operation control of monitoring instrument, drive platform and remotely report
Alert plate can show real time data, equipment running status and the operation control of monitoring instrument.
In conclusion due to using above-mentioned technical method, the beneficial effects of the utility model are:
1. the utility model can to the full ship security alerting system of LNG fuel ship, gas filling system, fuel system,
Gas valve member unit, cabin etc. are monitored, and according to tank temperature, liquid level, pressure and each gas on-site detector, temperature-sensitive sense
Smoke sensor carries out related interlock protection and emergency cut-off.
2. the utility model provides a set of independent security system, when an emergency happens, have washout,
When combustible gas alarm signal or fire alarm signal enter this security system, system enters security state.
3. the utility model devises a set of redundant power, any power supply all the way breaks down, and will not influence this system
It operates normally；And system carries UPS function, sustainable after power-off to power 30 minutes for this system.
4. the utility model security system and air supply system are completely independent, it is ensured that be in any case all not in gas supply event
Barrier.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is Tthe utility model system connection block diagram；
Fig. 2 is the utility model security control cabinet panel figure；
Fig. 3 is the utility model remote alarms plate face plate figure；
Fig. 4 is that the utility model fills control interface figure；
Fig. 5 is the utility model gas supply control interface figure.
Specific embodiment
It is practical new to this with reference to the accompanying drawings and examples in order to which those skilled in the art better understand utility model
Type is described in detail.
Embodiment 1:
A kind of control of LNG fuels and energy ship, monitoring and security system, including central controller, display unit, power supply processing
Unit, communications processor element, signal acquisition unit and signal output unit, the central controller respectively with display unit, electricity
Source processing unit, signal acquisition unit, signal output unit and communications processor element electrical connection further include security control cabinet and are driven
Platform is controlled, the central controller is set in security control cabinet, and the signal acquisition unit is isolated gate control by signals security and is supervised
Instrument is surveyed, the signal output unit controls quick action emergency valve, combined aural and visual alarm and explosion-proof fan by intermediate relay.
As a preferred embodiment, the communications processor element is separately connected, fire alarm plate, to drive platform long-range
Alarm board and engine.
As a preferred embodiment, the power supply processing unit is respectively connected to alternating current 220V power supply and direct current 24V
Power supply, the alternating current 220V power supply and direct current 24V power supply are mutually redundant, and the alternating current 220V power supply is main power source, by AC220V
Low-tension distribution board provides, and the direct current 24V power supply is provided by DC24V low-tension distribution board, is additionally provided in the power supply processing unit
Emergency standby power, the emergency standby power are provided by DC24V/7Ah battery, which is filled by UPS module
Control of discharge, battery belong to lead-acid battery, and recommended user is not to its self-changeable, battery control in back battery control cabinet
Plate needs professional to operate, and since battery transcient short circuit time electric current is big, when operation do confirm the electrode of battery, to keep away
Exempt from should not loss, discharge time of accumulator designs according to bearing power, and discharge time can maintain 30 minutes.
As a preferred embodiment, the monitoring instrument includes liquid level sensor, pressure sensor, temperature sensing
Device and combustible gas sensor.
As a preferred embodiment, the liquid level sensor, pressure sensor, temperature sensor and fuel gas
Sensor is each provided in the gaseous fuel charging system and gas fuel supply system being connected with engine.
As a preferred embodiment, being assisted between the fire alarm plate and communications processor element using standard MODBUS
Communication connection is discussed, platform remote alarms plate and the communications processor element of driving is described to start using Industrial Ethernet communication connection
CAN protocol communication connection is used between machine and communications processor element.
As a preferred embodiment, collected environmental parameter is converted into 4~20 milliamperes by the monitoring instrument
Current signal after security isolation grid, entering signal acquisition unit, and send central controller to and analyzed and handled.
As a preferred embodiment, the security cabinet control panel and driving platform remote alarms plate and being all made of industry
Touch screen, security cabinet control plane can show real time data, process flow chart, equipment running status and the operation control of monitoring instrument
System, real time data, equipment running status and the operation control of monitoring instrument can be shown by driving platform remote alarms plate.
As a preferred embodiment, instrument signal of the central controller according to signal acquisition unit, by processing
After send commands to signal output unit, signal output unit realizes the quick action emergency valve to scene, sound by intermediate relay
Light crossing-signal and blower are controlled.
As shown, security cabinet control panel mainly include touch display screen, power supply indicator, system running indicator,
System relevant control, fill control, left gas supply control and right gas supply control etc. part form, when external main power source disconnect or outside
When connecing stand-by power source disconnection, red indicating light is bright, while alarm buzzer issues sound-light alarm, when system has time of fire alarming
When, alarm buzzer flashes and issues sound-light alarm, and until pressing noise reduction or reset button, alarm buzzer restores normal, when
When there are following situations, combined aural and visual alarm will call the police/flash:
Charging system security signal:
1, overfall temperature is low；2, tank level is high；3, it fills ESD (ESD is emergency shutdown system) button and presses (security
Cabinet fills area, remote alarms plate)；4, combustable gas concentration is high；5, compressed air pressure is low；
System security signal:
1, host gas supply ESD button presses (security cabinet, remote alarms plate)；2, compressed air pressure is low；3, storage tank ice chest
Combustable gas concentration is high；4, combustable gas concentration is high (inside GVU clack box) between combustion gas double-wall pipe inner and outer pipes；It 5, can on host
Combustion gas bulk concentration is high；6, host stops in emergency；7, hostdown is stopped；8, fuel gas temperature is low.
Embodiment 2:
The present embodiment makes following improvement on the basis of embodiment 1:
Remote alarms plate display board is mounted on the driving on platform of frame control room, by touch display screen, system alarm indicator light, fills
ESD, left gas supply ESD, right gas supply ESD composition are filled, is security system extension alarm display unit, master can be shown on this panel
Equipment running status, inquiry alert event etc. are wanted, while can remotely cut off and fill process and gas supply process.
Control system operating process:
Fill control:
Top feed liquor: entering and fill control interface, selects " top feed liquor ", presses security cabinet or fill on explosive operation post
" filling starting " button, system automatically opens top liquid feed valve, return-air valve and gas filling valve, fills process into top；
Bottom liquid inlet: entering and fill control interface, selects " bottom liquid inlet ", presses security cabinet or fill on explosive operation post
" filling starting " button, system automatically opens bottom liquid inlet valve, return-air valve and gas filling valve, fills process into bottom；
Stopping fills process: in filling process, when tank level reaches the 90% of storage tank highest liquid level or detects excessive
When head piece temperature is lower than lower bound setting value, system, which is automatically stopped, to be filled process and closes corresponding valve if necessary to stop manually
Process is filled, security cabinet is pressed or fills " filling stopping " button on area's explosive operation post.
Gas supply control:
Starting gas supply
(1) enter gas supply control interface, press " starting gas supply " after button, liquid valve opening, blower is opened, interface display
" gas supply is ready to ", closes vent valve, and delay opens main gas fuel valve after 1 second, starts timing in 5 minutes.
(3) in five minutes timing times, if there is host-initiated signal, then it can enter ' normally for gaseity ', open
Into machine valve.If not detecting enabling signal in five minutes timing times, gas supply warm-up phase can be returned to, system is closed
Main valve is closed, delay closed vent valve after 8 seconds.In the case where being not timed-out, timer can then be restarted by pressing start button.
(4) after entering normal gas supply:
If 1, receiving stopping gas supply signal or pressing stopping gas supply button, it can enter and stop closing ' gas supply for gaseity
Get signal ready ', main valve and liquid valve are closed, delay closed vent valve after 8 seconds, then was delayed 10 seconds and puts machine valve and blower into (from pass
When valve, pre- thermolamp can flash always until end).
2, if there is failure, ' gas supply malfunction ' can be entered, closed ' gas supply gets signal ready ', trouble light starts to dodge
It is bright, main valve and liquid valve are closed, delay closed vent valve after 8 seconds, then was delayed 10 seconds and puts machine valve and blower into (from opening when closing valve
Begin, pre- thermolamp can flash always until end)
Stop gas supply process
Stop gas supply and is generally divided into two kinds of situations.In normal use process, when engine stop operation, control cabinet is connect
Engine orderly closedown signal is received, closes the left main gas valve of left machine, left liquid valve, left gas inlet valve immediately, a left side is opened and puts
Valve is dissipated, this process is automatically performed by control cabinet.In debugging or certain also can be used on control panel in special circumstances
" left gas supply stop button " carries out stopping gas supply.When pressing left gas supply stop button, it is total that system closes the left combustion gas of left machine immediately
Valve, left liquid valve, left gas inlet valve, open left diffusion valve, and left machine stops gas supply.In addition, long-pressing controls after stopping gas supply
Upper " blower pass " button of screen closes left and right blower.
Supply ESD:
Ship navigation during, if occur emergency, can be manually pressed by positioned at the left gas supply ESD of cabin or driver's cabin by
Button, left machine stops supplying (pay special attention to: when the button is pressed, Left Hand Engine will be shut down because losing fuel) immediately at this time.To
Danger can rotate clockwise ESD button after releasing, and releasing is stopped in emergency.
Parameter setting:
" parameter setting " is clicked in security cabinet touch screen interface, into parameter setting log-in interface, inputs account and password
Afterwards, parameter setting interface can be entered, it can be in this interface modification items alarm limits.(note: preceding various alarm limits are dispatched from the factory
Set up standby, user does not need to reset it, to avoid man-made fault.)
Alert event:
" menu " → " alert event " is clicked in display interface, into historical query interface, user Ke Cha gives in important parameter
Record and alarm record.
It manually controls:
" menu " → " valve debugging " is clicked in display interface, into parameter setting log-in interface, inputs account and password
Enter left machine valve Debugging interface afterwards.The corresponding button of each valve is pressed, respective valves can be opened/close, debugging is completed
Main interface can be returned by return afterwards.
It is so described above that be only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, several modifications and improvements can also be made, these all belong to
In the protection scope of utility model.
Claims (9)
1. a kind of LNG fuels and energy ship control, monitoring and security system, including central controller, display unit, power supply processing list
Member, communications processor element, signal acquisition unit and signal output unit, the central controller respectively with display unit, power supply
Processing unit, signal acquisition unit, signal output unit and communications processor element electrical connection, which is characterized in that further include security
Control cabinet and drive platform, the central controller is set in security control cabinet, the signal acquisition unit by signals security every
From gate control monitoring instrument, the signal output unit controls quick action emergency valve, combined aural and visual alarm by intermediate relay and prevents
Quick-fried blower.
2. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 1, which is characterized in that described
Communications processor element is separately connected fire alarm plate, drives platform remote alarms plate and engine.
3. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 1, which is characterized in that described
Power supply processing unit is respectively connected to alternating current 220V power supply and direct current 24V power supply, and the alternating current 220V power supply and direct current 24V power supply are mutual
For redundancy.
4. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 3, which is characterized in that described
Power supply processing unit is respectively connected to alternating current 220V power supply and direct current 24V power supply, and the alternating current 220V power supply is main power source, by
AC220V low-tension distribution board provides, and the direct current 24V power supply is backup power source, is provided by DC24V low-tension distribution board, the power supply
Emergency standby power is additionally provided in processing unit, the emergency standby power is provided by DC24V/7Ah battery.
5. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 1, which is characterized in that described
Monitoring instrument includes liquid level sensor, pressure sensor, temperature sensor and combustible gas sensor.
6. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 5, which is characterized in that described
Liquid level sensor, pressure sensor, temperature sensor and combustible gas sensor are each provided at the gaseous fuel being connected with engine
In charging system and gas fuel supply system.
7. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 2, which is characterized in that described
Fire alarm plate uses standard MODBUS protocol to connect between communications processor element, described to drive platform remote alarms plate and lead to
Believe that processing unit uses Industrial Ethernet communication connection, is connected between the engine and communications processor element using CAN protocol communication
It connects.
8. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 1, which is characterized in that described
Collected environmental parameter is converted into 4~20 milliamperes of current signal after security isolation grid by monitoring instrument, entering signal
Acquisition unit, and send central controller to and analyzed and handled.
9. a kind of LNG fuels and energy ship control, monitoring and security system according to claim 2, which is characterized in that described
It the security cabinet control panel of security control cabinet and drives platform remote alarms plate and is all made of graphic control panel, security cabinet control panel can
Show real time data, process flow chart, equipment running status and the operation control of monitoring instrument, driving platform remote alarms plate can show
Show real time data, equipment running status and the operation control of monitoring instrument.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820708445.9U CN208484819U (en) | 2018-05-14 | 2018-05-14 | A kind of control of LNG fuels and energy ship, monitoring and security system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820708445.9U CN208484819U (en) | 2018-05-14 | 2018-05-14 | A kind of control of LNG fuels and energy ship, monitoring and security system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375197A (en) * | 2019-07-01 | 2019-10-25 | 成都华气厚普机电设备股份有限公司 | A kind of the dual redundant security monitoring control system and its method of LNG filling ship |
| CN110937094A (en) * | 2019-12-13 | 2020-03-31 | 江苏科技大学海洋装备研究院 | Novel LNG power ship security control system |
| CN115654362A (en) * | 2022-12-09 | 2023-01-31 | 中海油能源发展股份有限公司采油服务分公司 | LNG filling safety inspection method and system |
-
2018
- 2018-05-14 CN CN201820708445.9U patent/CN208484819U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375197A (en) * | 2019-07-01 | 2019-10-25 | 成都华气厚普机电设备股份有限公司 | A kind of the dual redundant security monitoring control system and its method of LNG filling ship |
| CN110937094A (en) * | 2019-12-13 | 2020-03-31 | 江苏科技大学海洋装备研究院 | Novel LNG power ship security control system |
| CN115654362A (en) * | 2022-12-09 | 2023-01-31 | 中海油能源发展股份有限公司采油服务分公司 | LNG filling safety inspection method and system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A control, monitoring and safety system for LNG fuel powered ship Effective date of registration: 20200826 Granted publication date: 20190212 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU YUNENG ENERGY EQUIPMENT Co.,Ltd. Registration number: Y2020980005424 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220825 Granted publication date: 20190212 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU YUNENG ENERGY EQUIPMENT CO.,LTD. Registration number: Y2020980005424 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |