CN110486156A - A kind of double fuel engine generator set controller - Google Patents
A kind of double fuel engine generator set controller Download PDFInfo
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- CN110486156A CN110486156A CN201910871237.XA CN201910871237A CN110486156A CN 110486156 A CN110486156 A CN 110486156A CN 201910871237 A CN201910871237 A CN 201910871237A CN 110486156 A CN110486156 A CN 110486156A
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- 239000000446 fuel Substances 0.000 title claims abstract description 153
- 238000003860 storage Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 52
- 239000000295 fuel oil Substances 0.000 claims description 50
- 239000003990 capacitor Substances 0.000 claims description 30
- 239000000567 combustion gas Substances 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 9
- 210000004209 hair Anatomy 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002737 fuel gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits specially adapted for starting of engines
- F02N11/0862—Circuits specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
This application discloses a kind of double fuel engine generator set controllers, battery connects first coil always, whether powered by the working state control battery of second switch circuit and first switch circuit, second switch circuit and first switch circuit are cut-off automatically according to the operating status of generator and engine, in engine start, the conducting of second switch circuit, battery is allowed to power on startup, after generator is stable, the conducting of first switch circuit, the shutdown of second switch circuit, automatically cut off storage battery power supply, electromagnetic fuel valve events are kept using engine self generating, ensure that fuel channel is unimpeded, when generator and engine are shut down, second switch circuit and first switch circuit are turned off, ensure that battery will not power, realize the automatic control to storage battery power supply, reduce manual operation amount, simplify the behaviour of generator It measures, meanwhile, it avoids because of energy waste caused by forgetting closing battery feed, extends the service life of battery.
Description
Technical field
The present invention relates to dual fuel engine group field, in particular to a kind of double fuel engine generator set controller.
Background technique
Double fuel engine unit intermediate fuel oil and combustion gas cannot be mixed into participation burning, so when using combustion gas starting-generating
It needs to cut off fuel flow path immediately by fuel solenoid valve when machine.
There is a power switch on existing double fuel engine set generator panel, according to the long three-way electromagnetic valve of fuel oil, combustion
Engine can be directly initiated when oil starting, when being started by combustion gas, need to be turned on the power switch manually, battery just gives electromagnetic fuel
Valve power supply, cuts off fuel flow path, could start engine;Solenoid valve is closed according to fuel oil length, is directly opened when being started by combustion gas
It is dynamic, it when being started by fuel oil, need to turn on the power switch manually, battery just powers to fuel solenoid valve and opens fuel flow path,
Engine can be started, if for battery without electricity, fuel flow path is obstructed at this time, engine cannot be started.
Existing double fuel engine machine needs manual operation power switch, needs that power switch is turned off manually after shutdown, otherwise stores
Battery is constantly in power consumption state, complicated for operation.
A kind of double fuel engine machine easy to operate is needed thus.
Summary of the invention
In view of this, reducing operating quantity the purpose of the present invention is to provide a kind of double fuel engine generator set controller.It has
Body scheme is as follows:
A kind of double fuel engine generator set controller, including fuel control box and controller, the controller include first after
Electric appliance, first switch circuit, delay circuit and second switch circuit;
First coil one end of first relay is connect with battery, the other end of the first coil and described the
The input terminal of two switching circuits connects, the output end ground connection of the second switch circuit, the control terminal of the second switch circuit,
The input terminal and powered coil of the first switch circuit are connected with each other, and the first contact of first relay is double-contact,
Connection generator DC output end and fuel oil control line when first contact is normally closed, when first contact is opened described in connection
The control terminal of battery and the fuel oil control line, the first switch circuit is straight by the delay circuit and the generator
Flow output end connection, the output end ground connection of the first switch circuit;
Wherein, the conducting voltage of the first switch circuit is higher than the second switch circuit.
It optionally, further include fuel control box;
The fuel controls box, for controlling motor when the engine to work for driven generator is started with fuel oil
Flame-out line is earth-free, and fuel solenoid valve keeps power failure state, so that the fuel solenoid valve is in normally open, the engine
Carburetor oil cup oil circuit conducting, make the engine using fuel oil starting;When the engine is started with combustion gas, institute is controlled
State motor stop working line it is earth-free, control the fuel solenoid valve obtain it is electric so that the carburetor oil cup oil circuit turn off, make the hair
Motivation is started using combustion gas;
Wherein, the fuel solenoid valve is normally open solenoid valve.
It optionally, further include fuel control box;
The fuel controls box, for controlling motor when the engine to work for driven generator is started with fuel oil
Flame-out line is earth-free, control fuel solenoid valve obtain it is electric so that the carburetor oil cup oil circuit of the engine be connected, make described in start
Machine is started using fuel oil;When the engine is started with combustion gas, control the motor stop working line it is earth-free, the electromagnetic fuel
Valve is in normally off, and the carburetor oil cup oil circuit shutdown starts the engine using combustion gas;
Wherein, the fuel solenoid valve is normally closed solenoid valve.
It optionally, further include third switching circuit and the second relay;
The control terminal of the third switching circuit and the control terminal powered coil of the first switch circuit are connected with each other, institute
State the output end ground connection of third switching circuit, the second coil of the input terminal of the third switching circuit and second relay
One end connection, the other end of second coil is connected with generator DC output end, and the second of second relay touches
Point is normally-closed contact, is connected between the battery and starting control line.
Optionally, the third switching circuit includes third transistor and the 5th resistance;
One end of 5th resistance is as the control terminal of the third switching circuit and the control of the first switch circuit
End connection processed, the base stage of the third transistor are connect with the other end of the 5th resistance, the transmitting of the third transistor
Pole is grounded as the output end of the third switching circuit, and the collector of the third transistor is as the third switching circuit
Input terminal connect with one end of second coil.
Optionally, the second switch circuit includes the 6th resistance and the second triode;
Control terminal of the base stage of second triode as the second switch circuit, the powered coil pass through described
6th resistance is connect with the base stage of second triode, and the collector of second triode is as the second switch circuit
The emitter of input terminal, second triode is grounded as the output end of the second switch circuit.
Optionally, the first switch circuit includes the 4th resistance and the first triode;
One end of 4th resistance is connect as the control terminal of the first switch circuit with the delay circuit, described
The other end of 4th resistance is connect with the base stage of first triode, and the collector of first triode is as described first
The input terminal of switching circuit is connect with the base stage of second triode, and the emitter of first triode is as described first
The output end of switching circuit is grounded.
Optionally, it is connected between the control terminal and the powered coil of the second switch circuit by voltage regulator circuit;
The voltage regulator circuit includes the 5th diode, first resistor, second resistance, the second capacitor, third capacitor and first
Zener diode;
5th diode anode connect with the powered coil, the cathode of the 5th diode respectively with it is described
The anode connection of first resistor, the second resistance and second capacitor, the cathode ground connection of second capacitor, described first
Resistance and the other end of the second resistance, the cathode of positive, described first zener diode of the third capacitor and described
The control terminal of second switch circuit is connected with each other, and the anode of the cathode of the third capacitor and first zener diode connects
Ground.
Optionally, the delay circuit includes the second zener diode, 3rd resistor and the 4th capacitor;
The cathode of second zener diode is connect with the generator DC output end, second zener diode
Anode connect with one end of the 3rd resistor, the other end of the 3rd resistor, the anode of the 4th capacitor and described
The control terminal of first switch circuit is connected with each other, the cathode ground connection of the 4th capacitor.
Optionally, the battery is connect by the 4th diode with the first coil, the generator direct current output
End is connect by the third diode with second coil.
Optionally, the controller further includes plus earth, the first diode that cathode is connect with the starting control line;
Plus earth, the second diode that cathode is connect with the fuel oil control line;The positive input terminal with the third switching circuit
Connection, the 6th diode that cathode is connect with the cathode of the third diode;The positive cathode with the 6th diode connects
It connects, the first capacitor of cathode ground connection;The positive input terminal with the second switch circuit is connect, cathode and the 4th diode
Cathode connection the 7th diode.
Optionally, the fuel control box includes fuel control switch, flameout switch and electric switch;
The fuel control switch controls the electromagnetic fuel valve events for the fuel oil control line that is turned on or off;
The flameout switch, for controlling the flame-out line ground connection;
The electric switch is used on or off starting control line, controls the engine and electrically activate.
The invention also discloses a kind of double fuel engine units, including double fuel engine generator set controller as the aforementioned, oil
Air valve, generator and engine.
In the present invention, double fuel engine generator set controller, including controller, the controller packet are connect with fuel control box
Include the first relay, first switch circuit, delay circuit and second switch circuit;First coil one end of first relay
It is connect with battery, the other end of the first coil is connect with the input terminal of the second switch circuit, the second switch
The output end of circuit is grounded, the input terminal and powered coil of the control terminal of the second switch circuit, the first switch circuit
It is connected with each other, the first contact of first relay is double-contact, and connection generator direct current is defeated when first contact is normally closed
Outlet and fuel oil control line, first contact connect the battery and the fuel oil control line when opening, and described first opens
The control terminal on powered-down road is connect by the delay circuit with the generator DC output end, the first switch circuit it is defeated
Outlet ground connection;Wherein, the conducting voltage of the first switch circuit is higher than the second switch circuit.
Battery of the present invention connects first coil always, by the working condition control of second switch circuit and first switch circuit
Whether battery processed powers, and second switch circuit and first switch circuit are opened automatically according to the operating status of generator and engine
Disconnected, in engine start, the conducting of second switch circuit allows battery to power on startup, after generator is stable, prolongs
When circuit and first switch circuit conducting, second switch circuit shutdown, automatically cut off storage battery power supply, utilize generator itself hair
Electricity keeps electromagnetic fuel valve events, it is ensured that and fuel channel is unimpeded, when generator and engine are shut down, second switch circuit and first
Switching circuit is turned off, it is ensured that battery will not power, and be not necessarily to people's manual switch battery, realize to storage battery power supply from
Dynamic control, reduces manual operation amount, simplifies the operating quantity of generator, meanwhile, it avoids because the forgetting of people leads to battery
Long-term power supply, caused energy waste extend the service life of battery.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that a kind of double fuel engine generator set controller and double fuel engine set structure disclosed by the embodiments of the present invention show
It is intended to;
Fig. 2 is another double fuel engine generator set controller and double fuel engine set structure disclosed by the embodiments of the present invention
Schematic diagram;
Fig. 3 is a kind of controller architecture schematic diagram disclosed by the embodiments of the present invention;
Fig. 4 is another controller architecture schematic diagram disclosed by the embodiments of the present invention;
Fig. 5 is another controller architecture schematic diagram disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is shown in Figure 1 the embodiment of the invention discloses a kind of double fuel engine generator set controller, the controller include with
Fuel controls the controller 11 that box 12 connects, shown in Figure 3, and controller 11 includes the first relay, first switch circuit
111, delay circuit 113 and second switch circuit 112;
One end first coil K2 of first relay is connect with battery 4, the other end and second switch of first coil K2
The input terminal of circuit 112 connects, the output end ground connection of second switch circuit 112, the control terminal of second switch circuit 112, first
The input terminal and powered coil 1 of switching circuit 111 are connected with each other, and the first contact K12 of the first relay is double-contact, the first touching
Generator DC output end 2 and fuel oil control line 5 are connected when point K12 is normally closed, when the first contact K12 is opened connection battery 4 with
The control terminal of fuel oil control line 5, first switch circuit 111 is connect by delay circuit 113 with generator DC output end 2, the
The output end of one switching circuit 111 is grounded;
Specifically, fuel controls box 12, for when the engine 13 to work for driven generator 14 is started with fuel oil,
It is earth-free to control the flame-out line of motor, the fuel solenoid valve 133 of engine 13 is controlled, so that the carburetor oil cup oil circuit of engine 13
Conducting starts engine 13 using fuel oil, 1 output voltage of powered coil to controller 11;When engine 13 is started with combustion gas
When, control motor stops working, and line is earth-free, and control fuel solenoid valve 133 keeps engine 13 sharp so that carburetor oil cup oil circuit turns off
Started with combustion gas, 1 output voltage of powered coil to controller 11;When engine 13 stops working, the flame-out line ground connection of control motor;
Wherein, the conducting voltage of first switch circuit 111 is higher than second switch circuit 112, and starting control line 3 is in controller
It is connect in 11 with battery 4, fuel controls box 12 and controls 3 turn-on and turn-off of starting control line, and fuel controls the control of box 12 and starts
After control line 3 is connected, battery 4 will power, and the power supply line of engine 13 is connected, electrically activates engine 13.
Specifically, fuel solenoid valve 133 can may be normally open solenoid valve for normally closed solenoid valve.
Specifically, when fuel solenoid valve 133 be normally open solenoid valve when, fuel solenoid valve 133 not it is electric when, engine 13
The fuel gas path of the conducting of carburetor oil cup oil circuit, engine 13 is closed, and when engine 13 is started with combustion gas, fuel controls box 12
It is earth-free to control the flame-out line of motor, controls 133 energized action of fuel solenoid valve, turns off carburetor oil cup oil circuit, fuel gas path
Conducting, engine 13 are started using combustion gas;When engine 13 is started with fuel oil, fuel controls box 12 and controls the flame-out line of motor not
Ground connection keeps 133 power failure state of fuel solenoid valve, so that carburetor oil cup is oily without controlling 133 energized action of fuel solenoid valve
Road conducting, fuel gas path shutdown, starts engine 13 using fuel oil;When engine 13 stops working, the flame-out line of control motor is connect
Ground.
Specifically, when fuel solenoid valve 133 be normally closed solenoid valve when, fuel solenoid valve 133 not it is electric when, engine 13
Carburetor oil cup oil circuit is closed, and the fuel gas path conducting of engine 13, fuel controls box 12 when engine 13 is started with fuel oil,
Fuel control box 12 control motor stop working line it is earth-free, control fuel solenoid valve 133 it is electric, make fuel solenoid valve 133 be closed, make
The conducting of carburetor oil cup oil circuit, fuel gas path shutdown;When engine 13 is started with combustion gas, fuel control box 12 controls motor and puts out
Firewire ground connection, keeps fuel solenoid valve 133 to disconnect, so that fuel solenoid valve 133 is in the normally open of default, keeps carburetor oily
Cup oil circuit shutdown, fuel gas path conducting start engine 13 using combustion gas;When engine 13 stops working, control motor is flame-out
Line ground connection.
It should be noted that fuel solenoid valve 133 only controls the shutdown of carburetor oil cup oil circuit, as fuel gas path and combustion
The supply line of oil is individually controlled by independent valve, and when engine 13 is started by fuel oil, the valve of fuel supply pipeline is opened
It opens, fuel oil enters engine 13 by the oil circuit of engine 13, provides fuel for the starting of engine 13;When engine 13 passes through combustion
When gas starts, the valve opening of fuel gas path, combustion gas enters engine 13 by the fuel gas path of engine 13, is engine 13
Starting provides fuel.
Specifically, fuel solenoid valve 133 introduced below be normally open solenoid valve when, double fuel engine generator set controller it is specific
Movement:
Specifically, fuel controls box 12 and keeps original state, the i.e. flame-out line ground connection of motor when engine 13 does not start,
Fuel control box 12 can disconnect the connection of fuel oil control line 5 Yu fuel solenoid valve 133, can also allow fuel solenoid valve 133
Anode is connect by fuel oil control line 5 with 2 line of generator DC output end in controller 11, at this time due to the not work of engine 13
Make, no electricity output, therefore 133 no power of fuel solenoid valve, 13 oil circuit of engine is always in an ON state.
Specifically, fuel controls anode and the control that box 12 disconnects fuel solenoid valve 133 when engine 13 is started with fuel oil
The connection of device 11 processed, fuel oil control line 5 is always in the state disconnected, and fuel solenoid valve 133 is in original state, and oil circuit is in
On-state, oil circuit are kept unimpeded, and fuel gas path is in close state, and fuel control box 12 controls the flame-out line of motor and no longer connects
Ground, so that engine 13 can light a fire, when the fuel channel of engine 13 opens oil valve, fuel oil enters engine by oil circuit
13, after engine 13 is lighted a fire, at this point, even if the first coil K2 of the first relay obtains electric, the first contact because generator 14 generates electricity
K12 movement, fuel solenoid valve 133 also will not energized action make engine 13 keep stablizing fortune so that it is guaranteed that oil circuit is kept unimpeded
Row.
Specifically, fuel control box 12 controls the flame-out line of motor and is no longer grounded when engine 13 is started with combustion gas, so that
Engine 13 can light a fire, and fuel controls box 12 and controls the connection of fuel oil control line 5, make fuel solenoid valve 133 and generator direct current
Output end 2 connects, and the first contact K12 movement of the first relay is effective, due to there remains a part of fuel oil in carburetor oil cup,
To avoid the fuel oil in carburetor oil cup from entering engine 13, after causing air-fuel mixture, engine 13 to be lighted a fire, engine 13 is utilized
Fuel oil starting, powered coil 1 will obtain electric after being rotated due to engine 13 1, so before 1 output voltage of powered coil, power generation
Machine 14 not will start, and generator DC output end 2 is without output, so even if the first contact K12 connection fuel oil control line 5 and power generation
Machine DC output end 2 can not still drive gasoline electromagnetism valve events, after 1 output voltage of powered coil, make second switch circuit
112 control terminal obtains electric, the input terminal and output end of second switch circuit 112 conducting, first coil K2 by battery 4 it is electric,
Act the first contact K12, fuel oil control line 5 is connect with battery 4,133 energized action of fuel solenoid valve, disconnects carburetor oil
Cup oil circuit, it is ensured that there was only combustion gas in the combustion chamber of engine 13, engine 13 is operated by combustion gas, is sent out as engine 13 drives
14 revolving speed of motor increases, and 2 output voltage of generator DC output end simultaneously constantly increases, until meeting the conducting of delay circuit 113
Condition, input terminal and the output end conducting of first switch circuit 111, is grounded the control terminal of second switch circuit 112, second opens
The input terminal and output end on powered-down road 112 disconnect, first coil K11 power loss, and the first contact K12 restores fuel oil control line 5 and hair
The connection of motor DC output end 2, generator DC output end 2 can export stable voltage at this time, make fuel solenoid valve 133
Movement cuts off oil circuit, it is ensured that engine 13 only uses combustion gas.
Wherein, after capable of ensuring 13 stable operation of engine using delay circuit 113, then switch to fuel solenoid valve 133
Power supply, avoid switching too early, lead to shakiness of powering because of generator DC output end 2, cause lubricating cup oil circuit be connected, cause oil gas
The case where mixing.
Specifically, fuel controls box 12 and controls the flame-out line of motor when engine 13 carries out quenching operations by combustion gas state
Ground connection, makes the spark plug of engine 13 stop igniting, and fuel control box 12 only needs to keep the state of fuel oil control line 5 on startup
, control fuel oil control line 5 and remain turned on, engine 13 gradually slows down after spark plug stops igniting, and powered coil 1 is defeated
Voltage gradually decreases out, and 2 voltage of generator DC output end is gradually lowered at this time, low in 2 voltage of generator DC output end
To be unable to maintain that fuel solenoid valve 133 it is electric before, generator DC output end 2 export voltage will first be lower than delay circuit 113
Turn-on condition, the input terminal and output end of first switch circuit 111 will be switched off, and the remaining output voltage of powered coil 1 will make
Second switch circuit 112 continues that input terminal and output end is connected, and first coil K2 is made to obtain the power supply of battery 4, the first contact
K12 movement, connect fuel oil control line 5 with battery 4, it is ensured that fuel solenoid valve 133 must be electric, continues that lubricating cup oil circuit is kept to close
Disconnected, after powered coil 1 is entirely without output, the input terminal and output end of second switch circuit 112 are turned off, and first coil K2 loses
Electricity disconnects the access between battery 4 and fuel solenoid valve 133, and generator DC output end 21 is without output voltage, fuel oil at this time
133 power loss of solenoid valve, the conducting of lubricating cup oil circuit, generator 14 and engine 13 are out of service.
Specifically, fuel solenoid valve 133 be normally closed solenoid valve when, double fuel engine generator set controller it is specific act with it is upper
The principle given an account of when the fuel solenoid valve 133 to continue is normally open solenoid valve is identical, and this will not be repeated here.
Wherein, powered coil 1 can be power recharge coil or power ignition coil.
As it can be seen that battery of the embodiment of the present invention 4 connects first coil K11 always, opened by second switch circuit 112 and first
Whether the working state control battery 4 on powered-down road 111 powers, and second switch circuit 112 and first switch circuit 111 are according to hair
The operating status of motor 14 and engine 13 is cut-off automatically, and when engine 13 starts, second switch circuit 112 is connected, and allows storage
Battery 4 is powered on startup, and after engine 13 is stable, delay circuit 113 and first switch circuit 111 are connected, and second
Switching circuit 112 turns off, and automatically cuts off the power supply of battery 4, keeps fuel solenoid valve 133 dynamic using 13 self generating of engine
To make, it is ensured that fuel channel is unimpeded, when generator 14 and engine 13 are shut down, second switch circuit 112 and first switch circuit 111
It is turned off, it is ensured that battery 4 will not power, and be not necessarily to people's manual switch battery 4, realize the automatic control powered to battery 4
System, reduces manual operation amount, simplifies the operating quantity of generator 14, meanwhile, it avoids because the forgetting of people causes battery 4 long
Phase power supply, caused energy waste extend the service life of battery 4.
Further, shown in Figure 5, above-mentioned second switch circuit 112 may include the 6th resistance R6 and the two or three pole
Pipe Q3;
Control terminal of the base stage of second triode Q3 as second switch circuit 112, powered coil 1 pass through the 6th resistance R6
It being connect with the base stage of the second triode Q3, the collector of the second triode Q3 is as 112 input terminal of second switch circuit, and the two or three
The emitter of pole pipe Q3 is grounded as the output end of second switch circuit 112.
Specifically, shown in Figure 5, above-mentioned delay circuit 113 may include the second zener diode D2,3rd resistor R3
With the 4th capacitor C4;
The cathode of second zener diode D2 is connect with generator DC output end 2, the anode of the second zener diode D2
It is connect with one end of 3rd resistor R3, the base of the other end of 3rd resistor R3, the anode of the 4th capacitor C4 and the first triode Q1
Pole is connected with each other, the cathode ground connection of the 4th capacitor C4.
Specifically, shown in Figure 5, above-mentioned first switch circuit 111 may include the 4th resistance R4 and the first triode
Q1;
One end of 4th resistance R4 is connect as the control terminal of first switch circuit 111 with delay circuit 113, the 4th resistance
The other end of R4 is connect with the base stage of the first triode Q1, and the collector of the first triode Q1 is as first switch circuit 111
Input terminal is connect with the base stage of the second triode Q3, output of the emitter of the first triode Q1 as first switch circuit 111
End ground connection.
Specifically, the second zener diode D2 plays Delayed conducting, only when the output electricity of generator DC output end 2
When pressure meets the Zener breakdown voltage of the second zener diode D2, the second zener diode D2 just can be breakdown, to make first
The base stage of triode Q1 obtain it is electric so that the turn-on time of the first triode Q1 is later than the second triode Q3, it is ensured that the second triode
Q3 has time enough conducting, and fuel oil control line 5 and battery 4 is allowed to connect before 2 output voltage stabilization of generator DC output end
It connects, the Zener breakdown voltage of the second zener diode D2 can be 5V.
It is understood that shown in Figure 2, fuel control box 12 includes corresponding fuel control switch K1, stops working and open
Close K3 and electric switch K2;
Fuel control switch K1 controls fuel solenoid valve 133 and acts for the fuel oil control line 5 that is turned on or off;
Flameout switch K3, for controlling flame-out line ground connection;
Electric switch K2, is used on or off starting control line 3, and control engine 13 electrically activates.
Specifically, above-mentioned fuel control switch K1 can be normally closed switch, flameout switch K3 can be normal open switch, and electricity opens
Dynamic switch K2 can be normal open switch, and three switches can be microswitch, and when fuel control switch K1 is normally closed, fuel oil is connected
Control line 5 when flameout switch K3 is normally opened, keeps flame-out line earth-free, when electric switch K2 is normally opened, disconnects starting control line 3.
Wherein, when fuel solenoid valve 133 is normally open solenoid valve, fuel control switch K1 is normal open switch, fuel solenoid valve
133 be normally closed solenoid valve when, fuel control switch K1 be normally closed switch.
It wherein, include starting motor 131 and ignition coil 132 in Fig. 1 and Fig. 2.
The embodiment of the invention discloses a kind of specific double fuel engine generator set controller 11, relative to a upper embodiment,
The present embodiment has made further instruction and optimization to technical solution.It is shown in Figure 4, specific:
Specifically, engine 13, after electrically activating, fuel control box 12 still is able to carry out start-up operation, if in engine 13
13 startup program of engine is triggered during operation again, may will will lead to starting motor 131 in engine 13 can act again,
The gear for starting motor 131 will collide with high-speed rotating flywheel ring gear, may cause starting motor 131 and be damaged, so
In order to avoid engine 13 start after due to maloperation caused by repeated priming maloperation, can also include third switching circuit
113 and second relay;
The control terminal of third switching circuit 113 is connected with the control terminal of first switch circuit 112, third switching circuit 113
Output end ground connection, the input terminal of third switching circuit 113 connect with one end of the second coil K21 of the second relay, second
The other end of coil K21 is connected with generator DC output end 2, and the second contact K22 of the second relay is normally-closed contact, connection
Between battery 4 and starting control line 3;
Fuel controls box 12, is also used to when electrically activating engine 13, and control starting control line is led 4 and led to, so that engine
13 startings.
Specifically, after the fuel control control of box 12 electrically activates, battery 4, starting control line 3 and corresponding start-up circuit
Connection, engine 13 start, and after engine 13 starts, the output voltage of generator DC output end 2 will be promoted steadily, until hair
The output voltage of motor DC output end 2 meets the turn-on condition of delay circuit 113, and the control terminal of third switching circuit 113 will
The voltage that the output of powered coil 1 can be received, is connected between the input terminal and output end of third switching circuit 113, meanwhile, second
Coil K21 will receive the voltage of the output of generator DC output end 2, and the second coil K21 obtains electric, the second contact K22 movement,
The connection between starting control line 3 and battery 4 is disconnected, at this point, even if controlling box 12 by fuel controls electric switch K2,
The corresponding start-up circuit of engine 13 can not still be connected, make engine 13 at runtime, fuel control box 12 electrically activates out
Close K2 failure, after starting so as to avoid engine 13, the maloperation that can still be started.
Specifically, shown in Figure 5, third switching circuit 113 may include the second triode Q3 and the 5th resistance R5;
One end of 5th resistance R5 is as the control terminal of third switching circuit 113 and the control terminal of first switch circuit 111
Connection, the base stage of the second triode Q3 are connect with the other end of the 5th resistance R5, and the emitter of the second triode Q3 is as third
The output end of switching circuit 113 is grounded, input terminal of the collector of the second triode Q3 as third switching circuit 113.
Further, the embodiment of the invention also discloses a kind of specific double fuel engine generator set controllers 11, referring to Fig. 5
It is shown, specific:
Specifically, battery 4 is connect by the 4th diode D4 with first coil K2, generator DC output end 2 passes through
Third diode D3 is connect with the second coil K21.
Specifically, controller 11 further includes plus earth, the first diode D1 that cathode is connect with starting control line 3;Just
Pole ground connection, the second diode D2 that cathode is connect with fuel oil control line 5;Anode is connect with the input terminal of third switching circuit 113,
The 6th diode D6 that cathode is connect with the cathode of third diode D3;Anode is connect with the cathode of the 6th diode D6, cathode
The first capacitor C1 of ground connection;Anode is connect with the input terminal of second switch circuit 112, and the cathode of cathode and the 4th diode D4 connect
The 7th diode D7 connect.
Specifically, being connected between the control terminal and powered coil 1 of second switch circuit 112 by voltage regulator circuit;
Voltage regulator circuit includes the 5th diode D5, first resistor R1, second resistance R2, the second capacitor C2, third capacitor C3
With the first zener diode DW1;
5th diode D5 anode connect with powered coil 1, the cathode of the 5th diode D5 respectively with first resistor R1,
The anode connection of second resistance R2 and the second capacitor C2, the cathode ground connection of the second capacitor C2, first resistor R1 and second resistance R2
The other end, third capacitor C3 anode, the cathode of the first zener diode DW1 and the control terminal phase of second switch circuit 112
It connects, the plus earth of the cathode of third capacitor C3 and the first zener diode DW1,.
In addition, the embodiment of the invention also discloses a kind of double fuel engine unit, including double fuel engine machine as the aforementioned
Group controller, oil gas valve, generator and engine.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
Technology contents provided by the present invention are described in detail above, specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept;At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment and application
There will be changes in range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (13)
1. a kind of double fuel engine generator set controller, which is characterized in that including connecting controller, the control with fuel control box
Device includes the first relay, first switch circuit, delay circuit and second switch circuit;
First coil one end of first relay is connect with battery, and the other end of the first coil is opened with described second
The input terminal on powered-down road connects, the output end ground connection of the second switch circuit, the control terminal of the second switch circuit, described
The input terminal and powered coil of first switch circuit are connected with each other, and the first contact of first relay is double-contact, described
Generator DC output end and fuel oil control line are connected when first contact is normally closed, first contact connects the electric power storage when opening
The control terminal of pond and the fuel oil control line, the first switch circuit is defeated by the delay circuit and the generator direct current
Outlet connection, the output end ground connection of the first switch circuit;
Wherein, the conducting voltage of the first switch circuit is higher than the second switch circuit.
2. double fuel engine generator set controller according to claim 1, which is characterized in that further include fuel control box;
The fuel controls box, for when the engine to work for driven generator is started with fuel oil, control motor to be flame-out
Line is earth-free, and fuel solenoid valve keeps power failure state, so that the fuel solenoid valve is in normally open, the change of the engine
Oily device lubricating cup oil circuit conducting, starts the engine using fuel oil;When the engine is started with combustion gas, the electricity is controlled
Machine stop working line it is earth-free, control the fuel solenoid valve obtain it is electric so that the carburetor oil cup oil circuit turn off, make the engine
Started using combustion gas;
Wherein, the fuel solenoid valve is normally open solenoid valve.
3. double fuel engine generator set controller according to claim 1, which is characterized in that further include fuel control box;
The fuel controls box, for when the engine to work for driven generator is started with fuel oil, control motor to be flame-out
Line is earth-free, and control fuel solenoid valve obtains electric, so that the carburetor oil cup oil circuit of the engine be connected, keeps the engine sharp
Started with fuel oil;When the engine is started with combustion gas, control the motor stop working line it is earth-free, at the fuel solenoid valve
In normally off, the carburetor oil cup oil circuit shutdown starts the engine using combustion gas;
Wherein, the fuel solenoid valve is normally closed solenoid valve.
4. double fuel engine generator set controller according to claim 1, which is characterized in that further include third switching circuit and
Second relay;
The control terminal of the third switching circuit and the control terminal powered coil of the first switch circuit are connected with each other, and described the
The output end of three switching circuits is grounded, and the one of the second coil of the input terminal of the third switching circuit and second relay
End connection, the other end of second coil are connected with generator DC output end, and the second contact of second relay is
Normally-closed contact is connected between the battery and starting control line.
5. double fuel engine generator set controller according to claim 4, which is characterized in that the third switching circuit includes
Third transistor and the 5th resistance;
One end of 5th resistance is as the control terminal of the third switching circuit and the control terminal of the first switch circuit
Connection, the base stage of the third transistor are connect with the other end of the 5th resistance, and the emitter of the third transistor is made
It is grounded for the output end of the third switching circuit, the collector of the third transistor is as the defeated of the third switching circuit
Enter end to connect with one end of second coil.
6. double fuel engine generator set controller according to claim 1, which is characterized in that the second switch circuit includes
6th resistance and the second triode;
Control terminal of the base stage of second triode as the second switch circuit, the powered coil pass through the described 6th
Resistance is connect with the base stage of second triode, and the collector of second triode is inputted as the second switch circuit
The emitter at end, second triode is grounded as the output end of the second switch circuit.
7. double fuel engine generator set controller according to claim 6, which is characterized in that the first switch circuit includes
4th resistance and the first triode;
One end of 4th resistance is connect as the control terminal of the first switch circuit with the delay circuit, and the described 4th
The other end of resistance is connect with the base stage of first triode, and the collector of first triode is as the first switch
The input terminal of circuit is connect with the base stage of second triode, and the emitter of first triode is as the first switch
The output end of circuit is grounded.
8. double fuel engine generator set controller according to claim 1, which is characterized in that the control of the second switch circuit
It is connected between end processed and the powered coil by voltage regulator circuit;
The voltage regulator circuit includes the 5th diode, first resistor, second resistance, the second capacitor, third capacitor and the first pressure stabilizing
Diode;
The anode of 5th diode is connect with the powered coil, and the cathode of the 5th diode is respectively with described first
The anode connection of resistance, the second resistance and second capacitor, the cathode ground connection of second capacitor, the first resistor
With the cathode and described second of the other end of the second resistance, positive, described first zener diode of the third capacitor
The control terminal of switching circuit is connected with each other, the plus earth of the cathode of the third capacitor and first zener diode.
9. double fuel engine generator set controller according to any one of claims 1 to 8, which is characterized in that the delay electricity
Road includes the second zener diode, 3rd resistor and the 4th capacitor;
The cathode of second zener diode is connect with the generator DC output end, and second zener diode is just
Pole is connect with one end of the 3rd resistor, and positive and described the first of the other end of the 3rd resistor, the 4th capacitor
The control terminal of switching circuit is connected with each other, the cathode ground connection of the 4th capacitor.
10. double fuel engine generator set controller according to any one of claims 1 to 8, which is characterized in that the battery
Connect by the 4th diode with the first coil, the generator DC output end by the third diode with it is described
The connection of second coil.
11. double fuel engine generator set controller according to claim 10, which is characterized in that the controller further includes just
Pole ground connection, the first diode that cathode is connect with the starting control line;Plus earth, cathode are connect with the fuel oil control line
The second diode;The positive input terminal with the third switching circuit is connect, and the cathode of cathode and the third diode connects
The 6th diode connect;The positive cathode with the 6th diode is connect, the first capacitor of cathode ground connection;It is positive with described the
The input terminal of two switching circuits connects, the 7th diode that cathode is connect with the cathode of the 4th diode.
12. double fuel engine generator set controller according to claim 2 or 3, which is characterized in that the fuel controls box packet
Include fuel control switch, flameout switch and electric switch;
The fuel control switch controls the electromagnetic fuel valve events for the fuel oil control line that is turned on or off;
The flameout switch, for controlling the flame-out line ground connection;
The electric switch is used on or off starting control line, controls the engine and electrically activate.
13. a kind of double fuel engine unit, which is characterized in that including the described in any item double fuel hairs of such as claim 1 to 12
Motor group controller, oil gas valve, generator and engine.
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