CN106160191B - The power loss recovery system and method for the non-machine band pump of diesel engine - Google Patents
The power loss recovery system and method for the non-machine band pump of diesel engine Download PDFInfo
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- CN106160191B CN106160191B CN201610542625.XA CN201610542625A CN106160191B CN 106160191 B CN106160191 B CN 106160191B CN 201610542625 A CN201610542625 A CN 201610542625A CN 106160191 B CN106160191 B CN 106160191B
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- oil pump
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- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 76
- 239000012190 activator Substances 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 19
- 230000003111 delayed effect Effects 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 10
- 238000012790 confirmation Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 101
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 239000010710 diesel engine oil Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses the power loss recovery systems and method of a kind of non-machine band pump of diesel engine.The system includes that main oil pump, fuel circulating pump, auxiliary diesel engine control cabinet, PMS and power supply divide electronic box, the system also includes: the output end of UPS, UPS divide the first input end of electronic box to connect with power supply；Soft activator, power supply divide the first output end of electronic box and the input terminal of soft activator to connect, and the output end of soft activator is connect with the energization input of main oil pump；Power loss time-delay relay connects power loss time-delay relay between the standby vehicle signal output end and PMS of auxiliary diesel engine control cabinet；Wherein, power supply divides the second output terminal of electronic box and the energization input of fuel circulating pump to connect；The control signal output of auxiliary diesel engine control cabinet is connect with main oil pump and fuel circulating pump respectively；Auxiliary diesel engine control cabinet is connect with PMS.The present invention realizes the power loss mode of the non-machine band pump of diesel engine, reduces the power loss recovery time of the non-machine band pump of diesel engine.
Description
Technical field
The present embodiments relate to the power loss recovery systems and side of marine technology more particularly to a kind of non-machine band pump of diesel engine
Method.
Background technique
It include main oil pump, pre- oil pump, fuel circulating pump, Diesel Engine Control in diesel power generation system on ship
Case, PMS (Power Management System, power management system) and power supply divide electronic box, power supply divide electronic box respectively with
Main oil pump, pre- oil pump are connected with fuel circulating pump, for dividing after electricity the electric power of main power source respectively to main oil pump, pre- cunning
Oil pump and fuel circulating pump provide electric power；Main oil pump, pre- oil pump and fuel circulating pump respectively with corresponding Diesel Engine Control
Case connection, diesel engine control box are connected with PMS.
The diesel engine oil system of all ships is machine band pump currently on the market, and the axis of oil pump and the axis of diesel engine are straight
It connects in succession, i.e., diesel engine carries power loss (BLACKOUT) mode, and the fast recovery of power supply after power loss may be implemented in power loss mode.But
The diesel engine being mounted on certain specialized ships (such as polar region modular transportation ship) is special type, and diesel engine oil system is non-machine
Band pump itself does not have power loss mode, and the machine time of machinery itself is longer, causes power loss recovery time longer, is discontented with
The duration requirement of sufficient classification society rule.
Summary of the invention
In view of this, the embodiment of the present invention provides the power loss recovery system and method for a kind of non-machine band pump of diesel engine, simultaneously
Reduce the power loss recovery time of the non-machine band pump of diesel engine.
In a first aspect, the embodiment of the invention provides a kind of power loss recovery system of the non-machine band pump of diesel engine, including main cunning
Oil pump, fuel circulating pump, auxiliary diesel engine control cabinet, power management system PMS and power supply divide electronic box, and the system is also wrapped
It includes:
Uninterruptible power supply UPS, the first input end of the UPS are connect with the first main power source, and the inside of the UPS is equipped with
The output end of battery, the UPS divides the first input end of electronic box to connect with power supply, for by the electric power of main power source or battery
Divide electronic box to be provided to main oil pump and fuel circulating pump soft activator through the power supply, power supply divide the first output end of electronic box with it is soft
The input terminal of starter connects, and the output end of the soft activator is connect with the energization input of the main oil pump, described soft
Starter for reducing the main oil pump starting current；
Power loss time-delay relay connects power loss between the standby vehicle signal output end and PMS of the auxiliary diesel engine control cabinet
Time-delay relay, the standby vehicle signal that the power loss time-delay relay is used to issue auxiliary diesel engine control cabinet is in full ship power loss
Issue PMS；
Wherein, the power supply divides the second output terminal of electronic box and the energization input of the fuel circulating pump to connect；It is described
Main oil pump and the fuel circulating pump are connect with PMS respectively, and the pump that rises for receiving PMS is ordered；The main oil pump and institute
It states fuel circulating pump and sensor is installed on the oil feed line of auxiliary diesel engine, for fuel supply signal to be sent to the spare bavin
Oil machine control cabinet；The control terminal of the auxiliary diesel engine control cabinet is connect with PMS；
PMS gives auxiliary diesel engine control cabinet for monitoring the power state of full ship and sending control command, complete when monitoring
After ship power loss, the delay of auxiliary diesel engine control cabinet is received for vehicle signal, selects auxiliary diesel engine, and to selected backup diesel
The auxiliary diesel engine control cabinet of machine has sent machine order, while having sent pump order to the main oil pump and fuel circulating pump,
The duration of described machine order is preset duration, presses the time to cover building for main oil pump；
Auxiliary diesel engine control cabinet for receiving described machine order, and judges the correlation machine state of auxiliary diesel engine,
The fuel supply signal is detected by the sensor to judge the state of main oil pump and fuel circulating pump, when correlation machine prepares
It finishes, sends very for vehicle signal to PMS, continue to play machine order in the preset duration, start corresponding backup diesel
Machine restores electricity.
Second aspect, the embodiment of the invention also provides a kind of power loss restoration methods of power loss recovery system, comprising:
When full ship power loss, power loss time-delay relay obtains after the standby vehicle signal that auxiliary diesel engine control cabinet is sent is delayed
Delay be sent to PMS for vehicle signal, UPS is switched to storage battery power supply, supplies electric power to main oil pump and fuel circulating pump；
If after PMS monitors full ship power loss, PMS receives the delay of auxiliary diesel engine control cabinet for vehicle signal, and selects
Auxiliary diesel engine has sent machine order to the auxiliary diesel engine control cabinet of selected auxiliary diesel engine, while to the main lubricating oil
Pump and fuel circulating pump have sent pump order, and the duration of described machine order is preset duration, to cover main oil pump
Build the pressure time；
The auxiliary diesel engine control cabinet receives described machine order, judges the correlation machine state of auxiliary diesel engine, together
The main oil pump of Shi Suoshu and fuel circulating pump have received pump order, and start and give auxiliary diesel engine fuel feeding；Auxiliary diesel engine control
Case is detected by being mounted on the sensor of the main oil pump and the fuel circulating pump on the oil feed line of auxiliary diesel engine
Fuel supply signal, to judge the state of main oil pump and fuel circulating pump, when correlation machine is ready, send very for vehicle signal to
PMS；
PMS receive it is described very for vehicle signal after, continue send preset duration in rise machine order to the backup diesel
Machine control cabinet；
The auxiliary diesel engine control cabinet continues to play machine order in the preset duration, starts corresponding spare bavin
Oil machine restores electricity.
The technical solution of the embodiment of the present invention, by using UPS to main oil pump and fuel circulating pump the two important pumps
Pu power supply is obtaining the case where normally playing pump order, can normally start, and then starting and recovery for diesel generating set
It powers preparatory condition, and reduces by soft activator the starting current of main oil pump, avoid and the inverter in UPS is caused
Damage, in full ship power loss, UPS is switched to storage battery power supply, and the duration for playing machine order that PMS is sent is preset duration,
Cover main oil pump build pressure the time, auxiliary diesel engine control cabinet send very for vehicle signal after, continue in preset duration
Play machine order, start corresponding auxiliary diesel engine, restore electricity, the power loss for realizing diesel engine non-machine band pump is restored, and reduces
The power loss recovery time of the non-machine band pump of diesel engine, meet the requirement of classification society.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the power loss recovery system for the non-machine band pump of diesel engine that the embodiment of the present invention one provides
Figure；
Fig. 2 is a kind of structural representation of the power loss recovery system of the non-machine band pump of diesel engine provided by Embodiment 2 of the present invention
Figure；
Fig. 3 is a kind of power loss recovery side of the power loss recovery system for the non-machine band pump of diesel engine that the embodiment of the present invention three provides
The flow chart of method.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
In description, only some but not all contents related to the present invention are shown in the drawings.
Embodiment one
Fig. 1 is a kind of structural representation of the power loss recovery system for the non-machine band pump of diesel engine that the embodiment of the present invention one provides
Figure, as shown in Figure 1, the power loss recovery system of the non-machine band pump of diesel engine described in the present embodiment includes: that main oil pump 4, fuel oil follow
Ring pump 5, auxiliary diesel engine control cabinet 6, PMS 7, power supply divide electronic box 2, UPS (Uninterruptible Power System/
Uninterruptible Power Supply, uninterruptible power supply) 1, soft activator 3 and power loss time-delay relay 8.
Wherein, the first input end 101 of UPS 1 is connect with the first main power source 9, and the inside of UPS 1 is equipped with battery,
The output end 102 of UPS 1 divides the first input end 201 of electronic box connect with power supply, and UPS 1 is for by main power source 9 or battery
Electric power divides electronic box 2 to be provided to main oil pump 4 and fuel circulating pump 5 through power supply；
Power supply divide the first output end 202 of electronic box 2 to connect with the input terminal of soft activator 3, the output end of soft activator 3 and
The energization input of main oil pump 4 connects, soft activator 3 for reducing main oil pump 4 starting current；
Power loss time-delay relay 8 is connected between the standby vehicle signal output end 603 and PMS 7 of auxiliary diesel engine control cabinet 6, is lost
Electric time-delay relay 8 is for issuing standby vehicle (standby) signal that auxiliary diesel engine control cabinet 6 issues in full ship power loss
PMS 7；
Power supply divides the second output terminal 203 of electronic box 2 to connect with the energization input of fuel circulating pump 5；Main oil pump 4 and combustion
Oil circulating pump 5 is connect with PMS 7 respectively, and the pump that rises for receiving PMS 7 is ordered；Main oil pump 4 and fuel circulating pump 5 are to spare
Sensor is installed on the oil feed line of diesel engine, for fuel supply signal to be sent to auxiliary diesel engine control cabinet 6；Auxiliary diesel engine
The control terminal 602 of control cabinet 6 is connect with PMS 7；
PMS 7 works as monitoring for monitoring the power state of full ship and sending control command to auxiliary diesel engine control cabinet 6
To after full ship power loss, the delay of auxiliary diesel engine control cabinet 6 is received for vehicle signal, selects auxiliary diesel engine, and to selected standby
Machine order has been sent with the auxiliary diesel engine control cabinet 6 of diesel engine, while having been sent to the main oil pump and fuel circulating pump
Pump order, the duration of described machine order are preset duration, press the time to cover building for main oil pump；
Auxiliary diesel engine control cabinet 6 for receiving described machine order, and judges the correlation machine shape of auxiliary diesel engine
State detects the fuel supply signal by the sensor to judge the state of main oil pump and fuel circulating pump, works as correlation machine
It is ready, it sends very for vehicle signal to PMS 7, continues to play machine order in the preset duration, start corresponding standby
With diesel engine, restore electricity.
Wherein, UPS 1 includes the inverter for carrying out DC/AC (DC/AC) transformation, which cannot bear excessive
Electric current, battery are a component parts of UPS 1.Since soft activator 3 can reduce the starting current of main oil pump 4, keep away
The damage of the inverter in UPS 1 is exempted from.The correlation machine of the auxiliary diesel engine includes main oil pump, fuel circulating pump, with
And other machines relevant to auxiliary diesel engine starting.
Auxiliary diesel engine control cabinet 6 is also connected with power supply unit, which is the power supply of auxiliary diesel engine control cabinet 6,
In full ship power loss, power supply unit also power loss, therefore power loss on the circuit of the standby vehicle signal of auxiliary diesel engine control cabinet output, power loss
Time-delay relay 8 can perceive the movement of the power loss, power loss at the moment, time-delay relay 8 acts, and will be delayed standby vehicle signal
It issues, the signal before being power loss for vehicle signal that is delayed.
The working principle of the power loss recovery system of the diesel engine non-machine band pump is as follows: due in full ship power loss, spare bavin
The equal power loss of each machine of oily generating set, so the correlation machine of auxiliary diesel engine is in the shape for being not ready to finish at this time
State cannot issue standby vehicle signal to PMS, and at the power loss moment, the standby vehicle before the delay time of power loss time-delay relay is believed
The standby vehicle signal that number is delayed is sent to PMS, because, before the delay time of power loss time-delay relay, the correlation of auxiliary diesel engine
Machine does not power off, and is in ready state, can issue standby vehicle signal, using after the delay of power loss time-delay relay
The sending at the moment of power loss.Due to being directly switched to storage battery power supply inside UPS, being followed for main oil pump and fuel oil in power loss
The starting of ring pump has prepared condition, and PMS has sent machine order to auxiliary diesel engine control cabinet according to the standby vehicle signal that is delayed and sent
Pump order is played to main oil pump and fuel circulating pump, establishes the oil pressure of main oil pump to start main oil pump, and start fuel oil and follow
Ring pump is the starting preparatory condition of diesel engine, and the duration (i.e. pulse duration) due to playing machine order is preset duration, main cunning
Oil pump begins setting up oil pressure, when oil pressure reaches preset value, plays machine order still in continuing, establishes the mistake of oil pressure in main oil pump
Cheng Zhong, auxiliary diesel engine control cabinet simultaneously judge auxiliary diesel engine correlation machine state, after judgement, according to it is default when
Machine order is played in length, is sent very for vehicle signal to PMS, continues to play machine order in preset duration, start corresponding standby
With diesel engine, restore electricity.
The technical solution of the present embodiment, by using UPS the two important pumpings confessions to main oil pump and fuel circulating pump
Electricity is obtaining the case where normally playing machine order, can normally start, and then for the starting of diesel generating set and restores electricity
Preparatory condition, and the starting current of main oil pump is reduced by soft activator, it avoids and the inverter in UPS is caused to damage
Bad, in full ship power loss, UPS is switched to storage battery power supply, and the duration for playing machine order that PMS is sent is preset duration, covers
Covered main oil pump build pressure the time, auxiliary diesel engine control cabinet send very for vehicle signal after, continue in preset duration
Machine order is played, starts corresponding auxiliary diesel engine, restores electricity, the power loss mode of the non-machine band pump of diesel engine is realized, reduces
The power loss recovery time of the non-machine band pump of diesel engine.
Based on the above technical solution, further preferably include the first emergency power supply, first emergency power supply with it is described
The second input terminal of UPS connects, for being supplied electric power to the UPS when first main power source and the accumulator failure.
Avoid can not power loss restore the case where appearance.
Based on the above technical solution, the power supply divides electronic box to include connecting the main oil pump and fuel circulating pump
To inductive switch, it is described that inductive switch is connect with PMS respectively, for the confirmation closure signal to inductive switch to be sent to
PMS.PMS, can be according to this after receiving the confirmation closure signal to inductive switch of the main oil pump and fuel circulating pump
Confirm that closure signal selects auxiliary diesel engine.
Based on the above technical solution, the judgement time of the correlation machine state of the auxiliary diesel engine than it is default when
Between shorten 1.5 seconds, the preset duration be 10 seconds.Wherein, preset time, that is, diesel engine in the prior art correlation machine shape
The judgement time of state.It is set as 10 seconds by shortening 1.5 seconds judgement time, and by the duration for playing machine order, due to
The pressure time of building of main oil pump is 8 seconds, and the duration for playing machine order covers building for main oil pump and presses the time, shortens diesel oil
The power loss recovery time of the non-machine band pump of machine, requirement of the power loss recovery time no more than 45 seconds of classification society rule is met, is good for
Full ship function.
Based on the above technical solution, when selected auxiliary diesel engine control cabinet receives described machine order,
The signal of power loss mode is excited, to cancel the chain of standby vehicle signal and pre- oil pump.It realizes and escapes from pre- oil pump, with main lubricating oil
Pump directly establishes oil pressure.
Embodiment two
Fig. 2 is a kind of structural representation of the power loss recovery system of the non-machine band pump of diesel engine provided by Embodiment 2 of the present invention
Figure increases and divide electronic box 2 to connect the of powering as shown in Fig. 2, the present embodiment is optimized on the basis of example 1
Two main power sources 10 and the second emergency power supply 11, specific as follows:
Power supply divides the second input terminal 204 of electronic box 2 to connect with the second main power source 10, is used for when 1 failure of UPS, by second
The electric power of main power source 10 is supplied to main oil pump 4 and fuel circulating pump 5；
Power supply divides the third input terminal 205 of electronic box 2 to connect with the second emergency power supply 11, for working as 1 failure of UPS and second
When 10 failure of main power source, the electric power of the second emergency power supply 11 is supplied to main oil pump 4 and fuel circulating pump 5.
I.e. power supply divides electronic box 2 to have the power supply of three tunnels, i.e. UPS 1, the second main power source 10 and the second emergency power supply 11.UPS 1 is supplied
The highest priority of electricity.It is also to say, UPS 1 is online design, and under normal circumstances, the electric power on ship passes through the supply master of UPS 1
Oil pump 4 and fuel circulating pump 5 automatically switch to the power supply of battery 10 when ship electricity power loss inside UPS 1.And work as UPS 1
It, can be by the main oil pump 4 of the power supply of the second main power source 10 and fuel circulating pump 5 when failure.
The technical solution of the present embodiment divides electronic box 2 to connect by increasing with power supply based on the above technical solution
The second main power source 10 and the second emergency power supply 11, cannot be main oil pump 4 and fuel circulating pump 5 when avoiding 1 failure of UPS
The case where supplying electric power appearance.
Embodiment three
Fig. 3 is a kind of power loss recovery side of the power loss recovery system for the non-machine band pump of diesel engine that the embodiment of the present invention three provides
The flow chart of method, specifically comprises the following steps:
Step 310, when full ship power loss, the standby vehicle signal that power loss time-delay relay sends auxiliary diesel engine control cabinet prolongs
When after obtained delay be sent to PMS for vehicle signal, UPS is switched to storage battery power supply, supplies to main oil pump and fuel circulating pump
To electric power.
Wherein, the standby vehicle signal that is delayed is the standby vehicle signal of auxiliary diesel engine control cabinet transmission through power loss time-delay relay
It is obtained after delay, power loss time-delay relay will be delayed at the time of full ship power loss and issue for vehicle signal.When full ship power loss, lose
Electric time-delay relay will not turn off, but disconnect again after being delayed, and before disconnection, the standby vehicle signal that is delayed is sent to
PMS.When full ship power loss, the auxiliary diesel engine control cabinet on ship, which will be delayed, is sent to PMS for vehicle signal, so that PMS root
According to the standby vehicle signal behavior auxiliary diesel engine that is delayed, for example, if there is No. 1, No. 2, No. 3 and No. 4 diesel engine on ship, and No. 1 and No. 4
Diesel engine is auxiliary diesel engine, and upon loss of power, and No. 1 and No. 4 auxiliary diesel engine the control cabinets standby vehicle signal that will be delayed are sent to
PMS.Wherein, standby vehicle signal refers to the equal preparedness signal of the relevant machine of diesel engine.
When full ship power loss, UPS is switched to storage battery power supply, supplies electric power to main oil pump and fuel circulating pump, to guarantee
The normal starting of main oil pump and fuel circulating pump.
Step 320, if after PMS monitors full ship power loss, PMS receives the delay of auxiliary diesel engine control cabinet for vehicle letter
Number, and auxiliary diesel engine is selected, sent machine order to the auxiliary diesel engine control cabinet of selected auxiliary diesel engine, while to institute
It states main oil pump and fuel circulating pump has sent pump order, the duration of described machine order is preset duration, to cover master
Oil pump builds the pressure time.
After PMS monitors full ship power loss, the delay that reception auxiliary diesel engine control cabinet is sent is for vehicle signal, according to delay
Standby vehicle signal and predetermined standby host selection rule, select auxiliary diesel engine, control to the auxiliary diesel engine of selected auxiliary diesel engine
Case has sent machine order, while having sent pump order to the main oil pump and fuel circulating pump, to start main oil pump and combustion
Oil circulating pump.
Wherein, selection auxiliary diesel engine preferably includes:
Receive the confirmation closure signal to inductive switch that main oil pump and fuel circulating pump divide respectively in power supply in electronic box；
According to the confirmation closure signal and predetermined standby host selection rule, auxiliary diesel engine is selected.
The main oil pump of auxiliary diesel engine is received in PMS and fuel circulating pump is opened in the correspondence that power supply divides in electronic box respectively
After the confirmation closure signal of pass, rule is selected according to the confirmation closure signal and predetermined standby host, auxiliary diesel engine is selected, avoids
The relevant main oil pump of auxiliary diesel engine and fuel circulating pump of selection divide not being closed in electronic box to inductive switch in power supply
And the case where cannot powering to main oil pump and fuel circulating pump, occurs, the auxiliary diesel engine to start selected has prepared trip bar
Part.
Step 330, the auxiliary diesel engine control cabinet receives described machine order, judges the correlation machine of auxiliary diesel engine
State, while the main oil pump and fuel circulating pump have received pump order, and start auxiliary diesel engine fuel feeding；Auxiliary diesel engine
Control cabinet is by being mounted on the sensor of the main oil pump and the fuel circulating pump on the oil feed line of auxiliary diesel engine
Fuel supply signal is detected, to judge the state of main oil pump and fuel circulating pump, when correlation machine is ready, transmission is very for vehicle letter
Number give PMS.
After the main oil pump and fuel circulating pump have received pump order, started according to described pump order,
Condition is first proposed for what vehicle signal can issue to reach, main oil pump begins setting up oil pressure, when oil pressure reaches preset value, main cunning
Oil pump is ready, and diesel engine control box judges the correlation machine shape of auxiliary diesel engine while main oil pump establishes oil pressure
State is sent very for vehicle signal to PMS, this very passes through power loss time-delay relay for vehicle signal when correlation machine is ready
It can directly issue, without being delayed, because power loss time-delay relay only acts at the time of power loss.Wherein, standby when what is selected
When receiving described machine order with diesel engine control box, the signal of power loss mode is excited, to cancel standby vehicle signal and pre- lubricating oil
What is pumped is chain.It realizes and escapes from pre- oil pump, directly establish oil pressure with main oil pump, i.e., with main oil pump be directly backup diesel
Machine supplies lubricating oil.
Wherein, the judgement time of the correlation machine state of the diesel engine shortens 1.5 seconds than preset time, when described default
A length of 10 seconds.It is set as 10 seconds by shortening 1.5 seconds judgement time, and by the duration for playing machine order, covers main cunning
Oil pump builds the pressure time, shortens the power loss recovery time of the non-machine band pump of diesel engine, and the power loss for meeting the specification of classification society is extensive
Multiple requirement of the time no more than 45 seconds, has perfected ship function.
Step 340, PMS receive it is described very for vehicle signal after, continue send preset duration in rise machine order to described
Auxiliary diesel engine control cabinet.
PMS reception is described very for vehicle signal, judges each correlation machine since the preset duration is greater than diesel engine control box
The time of state, so, PMS can send always in preset duration and play machine order to the auxiliary diesel engine control cabinet.
Step 350, the auxiliary diesel engine control cabinet continues to play machine order in the preset duration, and starting corresponds to
Auxiliary diesel engine, restore electricity.
The auxiliary diesel engine control cabinet send out very for vehicle signal after, can continue in the preset duration
Machine order is played, according to machine order is played, starts the auxiliary diesel engine of the auxiliary diesel engine control cabinet control, by auxiliary diesel engine band
Dynamic generator generates electricity, and can restore electricity.
The technical solution of the present embodiment, in full ship power loss, UPS is switched to storage battery power supply, ensure that main oil pump and
The normal starting of fuel circulating pump after PMS receives the delay of auxiliary diesel engine control cabinet for vehicle signal, selects backup diesel
Machine, and sent machine order to the auxiliary diesel engine control cabinet of selected auxiliary diesel engine, while to the main oil pump and combustion
Oil circulating pump has sent pump order, and the duration for playing machine order is preset duration, covers building the pressure time for main oil pump, standby
With diesel engine control box send very for vehicle signal after, continue to play machine order in preset duration, start corresponding spare bavin
Oil machine restores electricity, and realizes the power loss mode of the non-machine band pump of diesel engine, when reducing the power loss recovery of the non-machine band pump of diesel engine
Between.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of power loss recovery system of the non-machine band pump of diesel engine, including the control of main oil pump, fuel circulating pump, auxiliary diesel engine
Case, power management system PMS and power supply divide electronic box, which is characterized in that the system also includes:
Uninterruptible power supply UPS, the first input end of the UPS are connect with the first main power source, and the inside of the UPS is equipped with electric power storage
The output end in pond, the UPS divides the first input end of electronic box to connect with power supply, for by the electric power of main power source or battery through institute
Stating power supply divides electronic box to be provided to main oil pump and fuel circulating pump；
Soft activator, power supply divide the first output end of electronic box and the input terminal of soft activator to connect, the output of the soft activator
End connect with the energization input of the main oil pump, the soft activator for reducing the main oil pump starting current；
Power loss time-delay relay connects power loss delay between the standby vehicle signal output end and PMS of the auxiliary diesel engine control cabinet
Relay, the standby vehicle signal that the power loss time-delay relay is used to issue auxiliary diesel engine control cabinet are issued in full ship power loss
PMS；
Wherein, the power supply divides the second output terminal of electronic box and the energization input of the fuel circulating pump to connect；The main cunning
Oil pump and the fuel circulating pump are connect with PMS respectively, and the pump that rises for receiving PMS is ordered；The main oil pump and the combustion
Oil circulating pump is equipped with sensor on the oil feed line of auxiliary diesel engine, for fuel supply signal to be sent to the auxiliary diesel engine
Control cabinet；The control terminal of the auxiliary diesel engine control cabinet is connect with PMS；
PMS gives auxiliary diesel engine control cabinet for monitoring the power state of full ship and sending control command, when monitoring that full ship loses
After electricity, the delay of auxiliary diesel engine control cabinet is received for vehicle signal, selects auxiliary diesel engine, and to selected auxiliary diesel engine
Auxiliary diesel engine control cabinet has sent machine order, while having sent pump order to the main oil pump and fuel circulating pump, described
The duration for playing machine order is preset duration, presses the time to cover building for main oil pump；
Auxiliary diesel engine control cabinet for receiving described machine order, and judges the correlation machine state of auxiliary diesel engine, passes through
The sensor detects the fuel supply signal to judge the state of main oil pump and fuel circulating pump, when correlation machine has prepared
Finish, send very for vehicle signal to PMS, continues to play machine order in the preset duration, start corresponding auxiliary diesel engine,
It restores electricity.
2. system according to claim 1, which is characterized in that it further include the first emergency power supply, first emergency power supply
It is connect with the second input terminal of the UPS, for being supplied when first main power source and the accumulator failure to the UPS
Electric power.
3. system according to claim 1, which is characterized in that the power supply divide electronic box include connect the main oil pump and
Fuel circulating pump to inductive switch, it is described that inductive switch is connect with PMS respectively, for the confirmation to inductive switch to be closed letter
Number it is sent to PMS.
4. system according to claim 1, which is characterized in that described power divides the second input terminal and the second main electricity of electronic box
Source connection, for when UPS failure, the electric power of the second main power source to be supplied to the main oil pump and fuel circulating pump；
The power supply divides the third input terminal of electronic box to connect with the second emergency power supply, for when UPS failure and the event of the second main power source
When barrier, the electric power of the second emergency power supply is supplied to the main oil pump and fuel circulating pump.
5. system according to claim 1, which is characterized in that when the judgement of the correlation machine state of the auxiliary diesel engine
Between than preset time shorten 1.5 seconds, the preset duration be 10 seconds, wherein the preset time be diesel engine correlation machine
The judgement time of state.
6. system according to claim 1, which is characterized in that when selected auxiliary diesel engine control cabinet receives described rise
When machine order, the signal of power loss mode is excited, to cancel the chain of standby vehicle signal and pre- oil pump.
7. a kind of power loss restoration methods based on power loss recovery system described in claim 1 characterized by comprising
When full ship power loss, what power loss time-delay relay obtained after the standby vehicle signal that auxiliary diesel engine control cabinet is sent is delayed prolongs
When for vehicle signal be sent to PMS, UPS is switched to storage battery power supply, supplies electric power to main oil pump and fuel circulating pump；
If after PMS monitors full ship power loss, PMS receives the delay of auxiliary diesel engine control cabinet for vehicle signal, and selects spare
Diesel engine has sent machine order to the auxiliary diesel engine control cabinet of selected auxiliary diesel engine, at the same to the main oil pump and
Fuel circulating pump has sent pump order, and duration of described machine order is preset duration, builds pressure with cover main oil pump
Time；
The auxiliary diesel engine control cabinet receives described machine order, judges the correlation machine state of auxiliary diesel engine, while institute
It states main oil pump and fuel circulating pump has received pump order, and start and give auxiliary diesel engine fuel feeding；Auxiliary diesel engine control cabinet is logical
Cross the sensor detection fuel feeding for being mounted on the main oil pump and the fuel circulating pump on the oil feed line of auxiliary diesel engine
Signal, to judge the state of main oil pump and fuel circulating pump, when correlation machine is ready, transmission is very for vehicle signal to PMS；
PMS receive it is described very for vehicle signal after, continue send preset duration in rise machine order to the auxiliary diesel engine control
Case processed；
The auxiliary diesel engine control cabinet continues to play machine order in the preset duration, starts corresponding backup diesel
Machine restores electricity.
8. the method according to the description of claim 7 is characterized in that the judgement time ratio of the correlation machine state of the diesel engine
Preset time shortens 1.5 seconds, and the preset duration is 10 seconds, wherein the preset time is the correlation machine state of diesel engine
The judgement time.
9. the method according to the description of claim 7 is characterized in that when selected auxiliary diesel engine control cabinet receives described rise
When machine order, the signal of power loss mode is excited, to cancel the chain of standby vehicle signal and pre- oil pump.
10. the method according to the description of claim 7 is characterized in that selection auxiliary diesel engine includes:
Receive the confirmation closure signal to inductive switch that main oil pump and fuel circulating pump divide respectively in power supply in electronic box；
According to the confirmation closure signal and predetermined standby host selection rule, auxiliary diesel engine is selected.
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| CN201610542625.XA CN106160191B (en) | 2016-07-08 | 2016-07-08 | The power loss recovery system and method for the non-machine band pump of diesel engine |
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| CN201610542625.XA CN106160191B (en) | 2016-07-08 | 2016-07-08 | The power loss recovery system and method for the non-machine band pump of diesel engine |
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| CN206769974U (en) * | 2017-05-31 | 2017-12-19 | 广船国际有限公司 | A kind of ship oil system and diesel generating set |
| CN107332340A (en) * | 2017-06-30 | 2017-11-07 | 广船国际有限公司 | A kind of ice breaker of voltage ride-through |
| CN107355306B (en) * | 2017-08-25 | 2023-07-14 | 福建永强力加动力设备有限公司 | Fuel oil engine |
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