CN107575327A - A kind of electric control single pump engine and its control method - Google Patents
A kind of electric control single pump engine and its control method Download PDFInfo
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- CN107575327A CN107575327A CN201710996922.6A CN201710996922A CN107575327A CN 107575327 A CN107575327 A CN 107575327A CN 201710996922 A CN201710996922 A CN 201710996922A CN 107575327 A CN107575327 A CN 107575327A
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Abstract
The invention discloses a kind of electric control single pump engine and its control method, including engine body and connected control unit；Engine body connects generator and electronically controlled unit pump, generator connection power regulator module, power regulator module connection control unit；Control unit is also connected with accelerator pedal and electronically controlled unit pump；Electronically controlled unit pump connects low pressure oil transfer pump, and low pressure oil transfer pump connects fuel tank by fuel oil filter；Engine body is also connected with starter；Control unit is also connected with sensor assembly；The present invention determines engine minimal circulation fuel delivery by the fixed position relation in fuel feed pump plunger top and oil inlet and oil return hole, solves the problems, such as fuel feeding needed for the minimum stable running speed of engine.
Description
Technical field
The present invention relates to engine art, and in particular to a kind of engine and its control method using electronically controlled unit pump.
Background technology
Engine is made that major contribution in the evolution of whole national economy, its application field be related to industry,
Agricultural and daily life etc.；National economy has reached higher level in recent years, and the application field of engine further expands,
Engine obtains market maintenance and has reached a high level；Due to larger market maintenance and some relatively low technical merits
Engine must exist and influence environmental pollution and cause energy problem, it is therefore necessary to technology upgrading is carried out to engine；Numerous
Engine application field in, the engine technology of non-rice habitats is all the time all in relatively low level, and non-rice habitats start
Machine obtains large number of；According to the development plan of country, non-rice habitats engine must be discharged and energy consumption level must be all improved, electricity
The engine combustion feed system of controlization and control by be following certainty road；Non-rice habitats machinery is due to its special building ring
Border and service object, obtain reliability, convenience and cost for engine and propose very high requirement；Especially small agricultural
Machinery, its maintaining level is very low, and the engine work frequency is indefinite, and user has high requirement for cost；But mesh
Preceding engine reliability and maintaining inconvenience.
The content of the invention
The present invention proposes a kind of can be started by pure mechanic structure to the electronically controlled unit pump of the control of engine idling
Machine and its control method.
The technical solution adopted by the present invention is：A kind of electric control single pump engine, including engine body and be connected thereto
Control unit；Engine body connects generator and electronically controlled unit pump, generator connection power regulator module, power supply voltage stabilizing mould
Block connects control unit；Control unit is also connected with accelerator pedal and electronically controlled unit pump；Electronically controlled unit pump connects low pressure oil transfer pump, low
Pressure oil transfer pump connects fuel tank by fuel oil filter；Engine body is also connected with starter；Control unit is also connected with sensing
Device module；
Electronically controlled unit pump includes the pump housing, fuel feed pump plunger and oil inlet and oil return control magnetic valve；The pump housing is cylindrical structure, and top is provided with
The fuel feed pump plunger hole coordinated with the lower slide of fuel feed pump plunger；Fuel feed pump plunger top connects tappet, tappet connection cam；Tappet and
The fuel feed pump plunger return spring being set in outside fuel feed pump plunger is provided between pump housing upper surface；Pump housing bottom is provided with connection oil pump
Plunger hole, and the high pressure oil outlet coaxial with fuel feed pump plunger hole；The oil inlet and oil return hole in connection fuel feed pump plunger hole is additionally provided with the pump housing；
Oil inlet and oil return control magnetic valve is arranged on oil inlet and oil return hole correspondence position；Fuel feed pump plunger is provided with spiral annular groove away from tappet one end.
Further, the fuel feed pump plunger is that mid diameter is small, the big stepped cylinder body structure of both ends diameter；Top is
Fuel feed pump plunger body that fuel feed pump plunger hole is slidably matched, bottom are the fuel feed pump plunger tail being connected with tappet.
Further, the oil inlet and oil return control magnetic valve includes the valve body of cylindrical structure；Close to fuel feed pump plunger in valve body
Hole side sets valve element, and fuel feed pump plunger hole side is provided with clamp nut；Valve element is connected with armature, armature and clamp nut
Between be provided with the return spring of its pre-compressed state；Coil is additionally provided with valve body between armature and clamp nut, is set on coil
It is equipped with the joint being connected with external power source；Clamp nut is provided with fuel inlet fitting, fuel inlet fitting connection fuel tank.
A kind of control method of electric control single pump engine, comprises the following steps：
When engine is in stopped status, accelerator pedal is in zero aperture state, control unit no power, sensor assembly not work
Make, generator does not work, and power regulator module does not work, and engine loading is in Light Condition；Oil inlet and oil return control magnetic valve
Valve element is opened, and fuel oil can freely flow to oil inlet and oil return hole, and whole oil circuit is full of fuel oil；
During engine start, operate engine by starter, the cam of engine driving electronically controlled unit pump is with transmitter
Synchronous axial system, and fuel feed pump plunger is moved reciprocatingly in fuel feed pump plunger hole；Behind fuel feed pump plunger closing oil inlet and oil return hole, it is closed
Fuel oil is raised by the further compression pressure of fuel feed pump plunger, and fuel pressure exceedes the opening for fuel injector being connected with high pressure oil outlet and sprayed
After power, the fuel oil of high pressure sprays into engine and obtains in cylinder and be atomized；Spray into cylinder in fuel oil high temperature and high pressure effect under from
Combustion, piston is done work and maintains engine operating；
After engine enters steady operational status, accelerator pedal is in zero aperture state, and engine enters working condition；Generator
The electricity sent is stored in power regulator module after power regulator module voltage stabilizing；Control unit is powered simultaneously, low pressure oil transportation
Pump enters working condition, and sensor assembly enters working condition；Engine is in Light Condition, and control unit is not produced to engine
Raw control action；
Accelerator pedal is in more than after zero aperture state, and control unit is according to the rotating speed of engine and the aperture of accelerator pedal and control
The opening and closing of default MAP data control oil inlet and oil return control magnetic valve in unit processed, engine loading, which is connected, enters working condition；
After engine completes work, control unit control oil inlet and oil return control electromagnetism valve closure, fuel delivery is interrupted, and engine stops
Machine, control unit power-off, completes control.
Further, the starter includes manual start device and electric starter.
The beneficial effects of the invention are as follows：
（1）The present invention determines engine minimal circulation fuel feeding by the fixed position relation in fuel feed pump plunger top and oil inlet and oil return hole
Amount, solves the problems, such as fuel feeding needed for the minimum stable running speed of engine；
（2）Fuel delivery of the present invention in the case of solving the problems, such as not needing electronic control system intervention, automatically controlled generator is not
Need power supply also manually starter can realize that engine must start；
（3）The present invention realizes the control to engine idling by pure mechanic structure, is entered using engine and stablizes idling rear-guard
Dynamic generator is powered for electronic control unit, and then electronic control unit takes over the working state control to engine again, is realized
The combination of machinery and two kinds of control modes of Electronic Control.
Brief description of the drawings
Fig. 1 is the control planning schematic diagram of the present invention.
Fig. 2 is the structural representation of the electronically controlled unit pump in the present invention.
The pump body structure schematic diagram of electronically controlled unit pump in the present invention of Fig. 3 positions.
Fig. 4 is the fuel feed pump plunger structural representation in the present invention.
Fig. 5 is that the oil inlet and oil return in the present invention controls electromagnetic valve structure schematic diagram.
In figure：1- cams, 2- tappets, 201- fuel feed pump plungers hole, 202- oil inlet and oil returns hole, 203- oil inlet and oil returns control magnetic valve
Hole, 204- high pressure oil outlets, 3- fuel feed pump plunger return springs, 301- fuel feed pump plunger tails, 302- fuel feed pump plunger bodies, 303- helical rings
Groove, 4- fuel feed pump plungers, 401- valve elements, 402- valve bodies, 403- coils, 404- clamp nuts, 405- return springs, 406- armature,
The 5- pump housings, 6- oil inlet and oil returns control magnetic valve.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-5, a kind of electric control single pump engine, including engine body and connected control unit；
Engine body connects generator and electronically controlled unit pump, generator connection power regulator module, power regulator module connection control
Unit；Control unit is also connected with accelerator pedal and electronically controlled unit pump；Electronically controlled unit pump connects low pressure oil transfer pump, and low pressure oil transfer pump leads to
Cross fuel oil filter connection fuel tank；Engine body is also connected with starter；Control unit is also connected with sensor assembly；
Electronically controlled unit pump includes the pump housing 5, fuel feed pump plunger 4 and oil inlet and oil return control magnetic valve 6；The pump housing 5 is cylindrical structure, and top is set
It is equipped with the fuel feed pump plunger hole 201 coordinated with the lower slide of fuel feed pump plunger 4；The top of fuel feed pump plunger 4 connects tappet 2, and tappet 2 connects
Cam 1；The fuel feed pump plunger return spring 3 being set in outside fuel feed pump plunger 4 is provided between tappet 2 and the upper surface of the pump housing 5；The pump housing 5
Bottom is provided with connection fuel feed pump plunger hole 201, and the high pressure oil outlet 204 coaxial with fuel feed pump plunger hole 201；Also set on the pump housing 5
It is equipped with the oil inlet and oil return hole 202 in connection fuel feed pump plunger hole 201；Oil inlet and oil return control magnetic valve 6 is arranged on 202 corresponding position of oil inlet and oil return hole
Put；Fuel feed pump plunger 4 is provided with spiral annular groove 303 away from the one end of tappet 2；The position in oil inlet and oil return hole 204 and the bottom of fuel feed pump plunger hole 201
There is a minimum range in portion, and is connected with fuel feed pump plunger hole 201；Fuel feed pump plunger 4 is formed with fuel feed pump plunger hole 201 couples sealing circle
Cylinder.
The fuel feed pump plunger 4 is that mid diameter is small, the big stepped cylinder body structure of both ends diameter；Top is fuel feed pump plunger
Fuel feed pump plunger body 302 that hole 201 is slidably matched, bottom are the fuel feed pump plunger tail 301 being connected with tappet 2；Fuel feed pump plunger tail 301 is set
Put in tappet 2, and fixed with tappet 2；Tappet 2 directly contacts with cam 1 and passes motion to fuel feed pump plunger 301 and oil pump
Plunger return spring 3；The one end of fuel feed pump plunger return spring 3 contacts with tappet 2, and the other end contacts with the pump housing 5；Tappet 2 by from
The power of cam 1 simultaneously imparts power to fuel feed pump plunger 4, fuel feed pump plunger 4 is synchronously done axial linear movement with tappet 2；When convex
When wheel 1 is in up stroke, pressure oil pump plunger return spring 3 while the promotion fuel feed pump plunger 4 of tappet 2 moves along a straight line；When convex
Fuel feed pump plunger 4 synchronously does reverse linear motion with tappet 2 in the presence of fuel feed pump plunger return spring 3 when wheel 1 is in down stroke；
In cam 1 with making fuel feed pump plunger 4 do reciprocating linear motion under the collective effect of fuel feed pump plunger return spring 3.
Oil inlet and oil return control magnetic valve 6 includes the valve body 402 of cylindrical structure；Close to fuel feed pump plunger hole 201 1 in valve body 402
Side sets valve element 401, and the side of fuel feed pump plunger hole 201 is provided with clamp nut 404；Valve element 401 is connected with armature 406, rank
The return spring 405 of its pre-compressed state is provided between iron 406 and clamp nut 404；Armature 406 is with compressing spiral shell in valve body 402
Coil 403 is additionally provided between mother 404, the joint being connected with external power source is provided with coil 403；Clamp nut 404 is set
There are fuel inlet fitting, fuel inlet fitting connection fuel tank；Oil inlet and oil return control magnetic valve 6 is controlled whether as monomer oil pump feed；In valve body 402
Portion is machined with multiple coaxial shoulder holes, is respectively used to set valve element 401, coil 403, armature 406 and return spring 405, pressure
Said elements are fixed in valve body 402 by tight nut 404；401 conical valves of valve element, when valve element 401 is pressed on valve body 402
Fuel oil can not circulate, and when valve element 401 does not compress, fuel oil can be with free flow；Precompressed is in after the installation of return spring 405
Contracting state；Coil 403 is annular magnet coil, and coil 403 is arranged between armature 406 and clamp nut 404, is fixed on valve body
On 402；Electromagnetic force can be produced after the energization of coil 403, armature 406 overcomes the work of return spring 405 in the presence of electromagnetic force
With making valve element 401 be pressed on valve body 402, fuel oil can not circulate；Conversely, during no power, armature 406 is in return spring 405
Open valve element 401 under effect, fuel oil can be with free flow；Fuel inlet fitting connection fuel tank on clamp nut 404, fuel tank
Interior fuel oil enters directly into clamp nut 404 by oil pipe；Bronze drum coil 403, return spring 405 flow to valve element 401；Work as valve
When core 401 is opening, fuel oil can flow to the oil inlet and oil return hole 202 on the pump housing 5 by valve element 401, when valve element 401 is closing shape
Fuel oil can not flow to the oil inlet and oil return hole 202 on the pump housing 5 during state.
In use, engine body includes maintaining an engine normal operation in addition to fuel oil supply system and activation system
All mechanisms and system, including crankshaft connecting rod system, valve actuating mechanism, cooling system, lubricating system, fuel injection equipment (FIE) etc.；
Engine loading is the unit of the effective output work of consumption of engine, such as drives vehicle, agricultural machinery；Generator generates electricity for DC
Machine, the voltage and power of dc generator are selected according to the demand of control unit；The function of voltage Voltage stabilizing module is to generate electricity
The electric current that machine is sent carries out voltage stabilizing and storage, and provides power supply for control unit；Control unit ECU is engine work
In the case of control core, the control of start operating performance and idling operation not including engine；Electronically controlled unit pump carries for engine
For high pressure fuel, and be responsible for according to it is certain at the time of convey a certain amount of fuel oil to the fuel injector of engine, will combustion by fuel injector
Oil spurts enters in the cylinder of engine；Sensor assembly is the sensor of measurement engine condition, including speed probe, temperature
The engine electric-controlled required all the sensors such as sensor；Accelerator pedal is the device of operator's input power demand, is accelerated
The aperture and tach signal of pedal determine the load of engine；Fuel tank is used to store fuel oil, and provides required combustion for engine
Oil；The fuel oil essence fuel oil filter of storage, low-pressure delivery are pumped into electronically controlled unit pump in fuel tank；Starter includes opening manually
Dynamic device and electric control starting device, manual start device provide initial driving force for the engine stopped, have engine certain
Initial velocity to start engine.
A kind of control method of electric control single pump engine, comprises the following steps：
When engine is in stopped status, accelerator pedal is in zero aperture state, control unit no power, sensor assembly not work
Make, generator does not work, and power regulator module does not work, and engine loading does not connect, and engine loading is in Light Condition；Enter
The valve element 401 of oil return control magnetic valve 6 is opened, and fuel oil can freely flow to oil inlet and oil return hole 202, and whole oil circuit is full of fuel oil；Fuel oil
Fuel oil in case makes whole oil circuit be full of fuel oil under gravity；Controlled including oil inlet and oil return in magnetic valve 6, entering on the pump housing 5
Fuel oil is filled with the cavity formed between spill port 202, fuel feed pump plunger 4 and the pump housing 5.
During engine start, manually starter operates engine, now engine driving electronically controlled unit pump
Cam 1 makes fuel feed pump plunger 4 be moved reciprocatingly in fuel feed pump plunger hole 201 with transmitter synchronous axial system；Fuel feed pump plunger 4 is closed
Behind oil inlet and oil return hole 202, the fuel oil being closed is raised by 4 further compression pressure of fuel feed pump plunger, and fuel pressure exceedes to be extruded with height
After the injection starting pressure for the fuel injector that oilhole 204 connects, the fuel oil of high pressure sprays into engine and obtains in cylinder and be atomized；Spray into cylinder
Fuel oil spontaneous combustion under high temperature and high pressure effect, high-temperature high-pressure fuel gas after spontaneous combustion do work to piston to maintain engine with certain
Rotation speed operation；The rotating speed of engine operating depends on the more of the amount of fuel that each circulation of fuel feed pump plunger 4 can be pressed into cylinder
Spiral annular groove 303 and oil inlet and oil return hole few, that the amount of fuel in each circulation press-in cylinder can be by the top of backing pump plunger 4
202 relative position is adjusted.
Engine start is completed after being in steady operational status, and accelerator pedal is in zero aperture state, and engine enters work
Make state；The electricity that generator is sent is stored in power regulator module after power regulator module voltage stabilizing；Control unit simultaneously
It is powered, low pressure oil transfer pump enters working condition, and sensor assembly enters working condition；Engine loading does not connect, at engine
In Light Condition, control unit does not produce control action to engine；
Accelerator pedal is in more than after zero aperture state, and control unit is according to the rotating speed of engine and the aperture of accelerator pedal and control
The opening and closing of default MAP data control oil inlet and oil return control magnetic valve 6 in unit processed, engine loading, which is connected, enters working condition；
After engine completes work, control unit control oil inlet and oil return control magnetic valve 6 is closed, and fuel delivery is interrupted, and engine stops
Machine, control unit power-off, completes control.
A kind of another control method of electric control single pump engine, manual start device is replaced using electric starter,
Comprise the following steps：
When engine is in stopped status, accelerator pedal is in zero aperture state, control unit no power, sensor assembly not work
Make, generator does not work, and power regulator module does not work, and engine loading does not connect, and engine loading is in Light Condition；Enter
The valve element 401 of oil return control magnetic valve 6 is opened, and fuel oil can freely flow to oil inlet and oil return hole 202, and whole oil circuit is full of fuel oil；Fuel oil
Fuel oil in case makes whole oil circuit be full of fuel oil under gravity；Controlled including oil inlet and oil return in magnetic valve 6, entering on the pump housing 5
Fuel oil is filled with the cavity formed between spill port 202, fuel feed pump plunger 4 and the pump housing 5.
During engine start, engine is operated by electric starter, engine running speed is more than minimum startup
Rotating speed, the cam 1 of engine driving electronically controlled unit pump make fuel feed pump plunger 4 in fuel feed pump plunger hole 201 with transmitter synchronous axial system
Inside move reciprocatingly；After fuel feed pump plunger 4 closes oil inlet and oil return hole 202, the fuel oil being closed is by 4 further compression pressure of fuel feed pump plunger
Rise, after fuel pressure exceedes the injection starting pressure for the fuel injector being connected with high pressure oil outlet 204, the fuel oil of high pressure sprays into engine
Obtain in cylinder and be atomized；Spray into the spontaneous combustion under high temperature and high pressure effect of the fuel oil in cylinder, the high-temperature high-pressure fuel gas pair after spontaneous combustion
Piston does work to maintain engine with certain rotation speed operation；The rotating speed of engine operating depends on 4 each circulation of fuel feed pump plunger
The amount of fuel that can be pressed into cylinder number, it is each circulation press-in cylinder in amount of fuel can pass through backing pump plunger 4
The spiral annular groove 303 on top is adjusted with the relative position in oil inlet and oil return hole 202.
Engine start is completed after being in steady operational status, and accelerator pedal is in zero aperture state, and engine enters work
Make state；The electricity that generator is sent is stored in power regulator module after power regulator module voltage stabilizing；Control unit simultaneously
It is powered, low pressure oil transfer pump enters working condition, and sensor assembly enters working condition；Engine loading does not connect, at engine
In Light Condition, control unit does not produce control action to engine；
Accelerator pedal is in more than after zero aperture state, and control unit is according to the rotating speed of engine and the aperture of accelerator pedal and control
The opening and closing of default MAP data control oil inlet and oil return control magnetic valve 6 in unit processed, engine loading, which is connected, enters working condition；
After engine completes work, control unit control oil inlet and oil return control magnetic valve 6 is closed, and fuel delivery is interrupted, and engine stops
Machine, control unit power-off, completes control.
The present invention determines engine minimal circulation fuel feeding using the fixed position relation on fuel feed pump plunger head and oil inlet and oil return hole
Amount, the fuel feeding problem needed for the minimum stable running speed of engine is realized, realizes and is not needing electronic control system intervention
In the case of fuel delivery problem, solve the problems, such as that conventional electric-control motor has to power supply and could started, in no power supply
Startup engine can be achieved in the case of supply using manual start device；Realized using pure mechanic structure idle to engine
The control of speed, while using engine, driving generator is that electronic control unit is powered into after stablizing idling, then electronics control
Unit processed takes over the working state control to engine again, realizes the combination of machinery and two kinds of control modes of Electronic Control.
Claims (5)
1. a kind of electric control single pump engine, it is characterised in that including engine body and connected control unit；Start
Machine body connects generator and electronically controlled unit pump, generator connection power regulator module, power regulator module connection control unit；
Control unit is also connected with accelerator pedal and electronically controlled unit pump；Electronically controlled unit pump connects low pressure oil transfer pump, and low pressure oil transfer pump passes through combustion
Oil strainer connects fuel tank；Engine body is also connected with starter；Control unit is also connected with sensor assembly；
Electronically controlled unit pump includes the pump housing (5), fuel feed pump plunger (4) and oil inlet and oil return control magnetic valve (6)；The pump housing (5) is cylinder knot
Structure, top are provided with the fuel feed pump plunger hole (201) coordinated with the lower slide of fuel feed pump plunger (4)；Fuel feed pump plunger (4) top connects
Tappet (2), tappet (2) connection cam (1)；It is provided between tappet (2) and the pump housing (5) upper surface and is set in fuel feed pump plunger (4)
Outer fuel feed pump plunger return spring (3)；The pump housing (5) bottom be provided with connection fuel feed pump plunger hole (201), and with fuel feed pump plunger hole
(201) coaxial high pressure oil outlet (204)；The oil inlet and oil return hole of connection fuel feed pump plunger hole (201) is additionally provided with the pump housing (5)
(202)；Oil inlet and oil return control magnetic valve (6) is arranged on oil inlet and oil return hole (202) correspondence position；Fuel feed pump plunger (4) is away from tappet (2) one
End is provided with spiral annular groove (303).
2. a kind of electric control single pump engine according to claim 1, it is characterised in that during the fuel feed pump plunger (4) is
Between diameter it is small, the big stepped cylinder body structure of both ends diameter；Top is the fuel feed pump plunger that fuel feed pump plunger hole (201) are slidably matched
Body (302), bottom are the fuel feed pump plunger tail (301) being connected with tappet (2).
3. a kind of electric control single pump engine according to claim 1, it is characterised in that the oil inlet and oil return controls magnetic valve
(6) valve body (402) of cylindrical structure is included；Valve element (401) is set close to fuel feed pump plunger hole (201) side in valve body (402),
Fuel feed pump plunger hole (201) side is provided with clamp nut (404)；Valve element (401) is connected with armature (406), armature (406)
The return spring (405) of its pre-compressed state is provided between clamp nut (404)；Valve body (402) interior armature (406) is with compressing
Coil (403) is additionally provided between nut (404), coil is provided with the joint being connected with external power source on (403)；Clamp nut
(404) fuel inlet fitting, fuel inlet fitting connection fuel tank are provided with.
4. a kind of control method of electric control single pump engine as claimed in claim 1, it is characterised in that including following step
Suddenly：
When engine is in stopped status, accelerator pedal is in zero aperture state, control unit no power, sensor assembly not work
Make, generator does not work, and power regulator module does not work, and engine loading is in Light Condition；Oil inlet and oil return control magnetic valve (6)
Valve element (401) open, fuel oil can freely flow to oil inlet and oil return hole (202), and whole oil circuit is full of fuel oil；
During engine start, operate engine by starter, the cam (1) of engine driving electronically controlled unit pump is with transmission
Machine synchronous axial system, and fuel feed pump plunger (4) is moved reciprocatingly in fuel feed pump plunger hole (201)；Fuel feed pump plunger (4) closes oil inlet and oil return
Behind hole (202), the fuel oil being closed is fuel-displaced more than with high pressure by fuel feed pump plunger (4) further compression pressure rise, fuel pressure
After the injection starting pressure of the fuel injector of hole (204) connection, the fuel oil of high pressure sprays into engine and obtains in cylinder and be atomized；Spray into cylinder
Fuel oil high temperature and high pressure effect under spontaneous combustion, to piston do work maintain engine operating；
After engine enters steady operational status, accelerator pedal is in zero aperture state, and engine enters working condition；Generator
The electricity sent is stored in power regulator module after power regulator module voltage stabilizing；Control unit is powered simultaneously, low pressure oil transportation
Pump enters working condition, and sensor assembly enters working condition；Engine is in Light Condition, and control unit is not produced to engine
Raw control action；
Accelerator pedal is in more than after zero aperture state, and control unit is according to the rotating speed of engine and the aperture of accelerator pedal and control
The opening and closing of default MAP data control oil inlet and oil return control magnetic valve (6) in unit processed, engine loading, which is connected, enters work shape
State；
After engine completes work, control unit control oil inlet and oil return control magnetic valve (6) closing, fuel delivery is interrupted, engine
Shut down, control unit power-off, complete control.
A kind of 5. control method of electric control single pump engine as claimed in claim 4, it is characterised in that the starter
Including manual start device and electric starter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996922.6A CN107575327A (en) | 2017-10-20 | 2017-10-20 | A kind of electric control single pump engine and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996922.6A CN107575327A (en) | 2017-10-20 | 2017-10-20 | A kind of electric control single pump engine and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN107575327A true CN107575327A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710996922.6A Pending CN107575327A (en) | 2017-10-20 | 2017-10-20 | A kind of electric control single pump engine and its control method |
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| Country | Link |
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| CN (1) | CN107575327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855398A (en) * | 2021-03-11 | 2021-05-28 | 北京中康增材科技有限公司 | Oil injection device and design method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386608Y (en) * | 2009-04-02 | 2010-01-20 | 南京威孚金宁有限公司 | Fuel injection pump of diesel engine |
-
2017
- 2017-10-20 CN CN201710996922.6A patent/CN107575327A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386608Y (en) * | 2009-04-02 | 2010-01-20 | 南京威孚金宁有限公司 | Fuel injection pump of diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855398A (en) * | 2021-03-11 | 2021-05-28 | 北京中康增材科技有限公司 | Oil injection device and design method thereof |
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Application publication date: 20180112 |