CN105811556A - Electronic injection starting circuit of engine - Google Patents
Electronic injection starting circuit of engine Download PDFInfo
- Publication number
- CN105811556A CN105811556A CN201610125132.6A CN201610125132A CN105811556A CN 105811556 A CN105811556 A CN 105811556A CN 201610125132 A CN201610125132 A CN 201610125132A CN 105811556 A CN105811556 A CN 105811556A
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- China
- Prior art keywords
- circuit
- accumulator
- electromotor
- power storage
- engine
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Classifications
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1407—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle on vehicles not being driven by a motor, e.g. bicycles
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an electronic injection starting circuit of an engine. The electronic injection starting circuit includes the engine and an electronic injection starting circuit. The electronic injection starting circuit includes an electric generator, a storage battery circuit used for storing electric energy of the electric generator and an electric control fuel spraying system connected with the output terminal of the storage battery circuit electrically. The electronic injection starting circuit also includes an emergency circuit connected between the output terminal of the electric generator and the electronic injection starting circuit in a switchable manner. According to the invention, in order to avoid a problem of starting failure of the engine caused by storage battery low battery or damages, in a condition of storage battery low battery or damages while the electric control fuel spraying system cannot started, the electric generator, replacing the storage battery, supplies power for the electric control fuel spraying system directly. Power generation is started through prior hand pull starting power, so that stable and reliable starting electric energy is provided for operation of the electric control fuel spraying system and the normal use of the engine is kept. The prior integral structure of engine is not influenced.
Description
Technical field
The present invention relates to a kind of common apparatus parts, particularly relate to a kind of engine electric spray start-up circuit.
Background technology
In engine electric spray start-up circuit, it is usually provided with electronic control injection system (English full name is: ElectronicFuelInjection, is called for short EFI system) and ensures that general purpose engine obtains the combustion mixture of suitable concn；EFI system is generally adopted accumulator in the course of the work and is powered as power supply, but for general purpose engine, starts and start often through external force, including pulling, self-starter etc., in order to ensure small-sized convenient characteristic, generally it is not provided with accumulator, therefore cannot use EFI system；The general purpose engine having installed accumulator additional then can use EFI system, and can realize electrically activating；But, many times, it is longer that the time shelved by logical machine, then accumulator can because occurring from power consumption electricity not enough or damaging for a long time, it is impossible to providing for electronic control injection system and start power supply, leading to machine product also cannot startup optimization.
Therefore, need that existing EFI is electrically activated general purpose engine to improve, when can not start electronic control injection system at accumulator feeding or damage, generated electricity by existing hand pull starting-up power, for the startup electric energy that the work offer of electronic control injection system is reliable and stable, the normal use of maintenance electromotor.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of engine electric spray start-up circuit, when can not start electronic control injection system at accumulator feeding or damage, generated electricity by existing hand pull starting-up power, for the startup electric energy that the work offer of electronic control injection system is reliable and stable, the normal use of maintenance electromotor.
The engine electric spray start-up circuit of the present invention, including electromotor, for storing the battery circuit of electromotor electric energy and by the electric control fuel oil jet system of described battery circuit output electrical connection；Also include emergency circuit, between switchable electric outfan and the electric control fuel oil jet system being connected to electromotor of described emergency circuit；When cannot start controlled fuel injection system in accumulator generation problem, directly powered to electric control fuel oil jet system by electromotor, certainly can be arranged as required to the mu balanced circuit etc. of centre, not repeat them here；General purpose engine may utilize hand pull starting-up, mechanical starter startup etc., for the Starting mode that general purpose engine is conventional；Start power and can be transferred to electromotor by bent axle, it is also possible to directly acted on electromotor by trigger, all can realize goal of the invention.
Further, described emergency circuit is emergency power storage circuit, and described emergency power storage circuit is parallel to accumulator in switchable mode；Parallel-connection structure is beneficial to rapid switching, and electrical power storage element for can be stable in the short time offer electric energy, it is ensured that the stable operation of electric control fuel oil jet system, thus, this emergency power storage circuit can adopt and namely fill the electrical power storage element namely put and formed.
Further, described emergency power storage circuit includes electrical power storage element and the storage element switching switch concatenated with electrical power storage element, and described electrical power storage element is by storing element switching switch in parallel in battery circuit；Simple in construction, circuit easy switching.
Further, described battery circuit includes accumulator and the accumulator switching switch concatenated with accumulator, described accumulator switches switch by accumulator and is electrically connected between electromotor and electric control fuel oil jet system, and described electrical power storage element switches the battery circuit of switch composition by storing element switching switch in parallel in accumulator and accumulator；Battery circuit and emergency power storage circuit are equipped with switching switch, have specific independence, do not interfere with each other during use, it is ensured that electromotor is properly functioning.
Further, the input and output side of described accumulator is equipped with accumulator switching switch, and the input and output side of described electrical power storage element is equipped with storage element switching switch；When using emergency power storage circuit, can thoroughly isolate battery circuit, when using battery circuit, it is possible to thoroughly isolation emergency power storage circuit, be beneficial to the properly functioning of guarantee system.
Further, electric energy is exported by described electromotor by rectification stable pressuring unit, as it can be seen, described rectification stable pressuring unit is electrically connected to before battery circuit and emergency power storage circuit parallel connection and between electromotor, rectification stable pressuring unit can adopt existing regulator rectifier circuit, does not repeat them here；It is further ensured that what electric energy exported stablizes, thus ensureing electric control fuel oil jet system and battery circuit and the stable operation of emergency power storage circuit.
Further, described electrical power storage element is super capacitor, lithium battery, Ni-MH battery or small lead-acid battery；The existence of small battery and super capacitor, and not appreciably affect volume and the weight of whole electromotor, and there is stable electric energy supply.
Further, described electromotor includes rotor and stator, and described rotor is arranged at the flywheel of electromotor, and stator coaxially extends in flywheel；Coaxially it is integrally formed with axle sleeve in described flywheel, and is matched with engine crankshaft by this axle sleeve transmission；Described stator and rotor are respectively positioned in the space between axle sleeve and flywheel inner radial wall；During startup, rotated by flywheel rotor driven, so that stator produces electric current, it is powered to the EFI system of electromotor, when after engine start, it is rotated further by the bent axle flywheel driven of electromotor, so that rotor is rotated further, stator produces follow current, therefore, pass through said structure, can for the electric energy providing reliable and stable that works of the EFI system of the electromotor of electromotor, it is equipped with accumulator without being individually for electromotor, it is substantially reduced production cost and use cost, it is beneficial to the overall lightweight of engine electric spray start-up circuit and miniaturization, convenient use, and the environmental problem that the use that can be prevented effectively from accumulator brings, it is beneficial to environmental protection；Flywheel is generally as loop configuration, described rotor is arranged at flywheel inner radial wall, stator coaxially extends in flywheel, by this structure, the overall structure making electromotor is extremely compact, although arranges stator and rotor, but does not increase the volume of electromotor self, it is beneficial to the lightweight to electromotor and miniaturization, convenient use；This structure simplifies the structure of flywheel on the one hand, makes flywheel have enough spaces for holding stator and rotor on the other hand, thus being beneficial to compact conformation；And Stability Analysis of Structures is reliable, wherein, one-body molded by spoke, floor etc. between axle sleeve and flywheel.
Beneficial effects of the present invention: the engine electric spray start-up circuit of the present invention, on battery-driven basis, the problem causing electromotor to start for preventing accumulator feeding or damage, when can not start electronic control injection system at accumulator feeding or damage, adopting by electromotor is the structure that electric control fuel oil jet system is powered directly across accumulator, generated electricity by existing hand pull starting-up power, for the startup electric energy that the work offer of electronic control injection system is reliable and stable, the normal use of maintenance electromotor；Certainly, after the engine started accumulator can be charged and form normal use；Have no effect on existing electromotor overall structure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is EFI system theory diagram of the present invention.
Detailed description of the invention
Fig. 1 is the EFI system theory diagram of the present invention, as shown in the figure, a kind of engine electric spray start-up circuit provided by the invention, including electromotor, for storing the battery circuit of electromotor electric energy and by the electric control fuel oil jet system of described battery circuit output electrical connection；Also include emergency circuit, between switchable electric outfan and the electric control fuel oil jet system being connected to electromotor of described emergency circuit；When cannot start controlled fuel injection system in accumulator generation problem, directly powered to electric control fuel oil jet system by electromotor, certainly can be arranged as required to the mu balanced circuit etc. of centre, not repeat them here；General purpose engine may utilize hand pull starting-up, mechanical starter startup etc., for the Starting mode that general purpose engine is conventional；Start power and can be transferred to electromotor by bent axle, it is also possible to directly acted on electromotor by trigger, all can realize goal of the invention.
In the present embodiment, described emergency circuit is emergency power storage circuit, and described emergency power storage circuit is parallel to accumulator in switchable mode；Parallel-connection structure is beneficial to rapid switching, and electrical power storage element for can be stable in the short time offer electric energy, it is ensured that the stable operation of electric control fuel oil jet system, thus, this emergency power storage circuit can adopt and namely fill the electrical power storage element namely put and formed.
In the present embodiment, described emergency power storage circuit includes electrical power storage element and the storage element switching switch concatenated with electrical power storage element, and described electrical power storage element is by storing element switching switch in parallel in battery circuit；Simple in construction, circuit easy switching.
In the present embodiment, described battery circuit includes accumulator and the accumulator switching switch concatenated with accumulator, described accumulator switches switch by accumulator and is electrically connected between electromotor and electric control fuel oil jet system, and described electrical power storage element switches the battery circuit of switch composition by storing element switching switch in parallel in accumulator and accumulator；Battery circuit and emergency power storage circuit are equipped with switching switch, have specific independence, do not interfere with each other during use, it is ensured that electromotor is properly functioning.
In the present embodiment, the input and output side of described accumulator is equipped with accumulator switching switch, and the input and output side of described electrical power storage element is equipped with storage element switching switch；When using emergency power storage circuit, can thoroughly isolate battery circuit, when using battery circuit, it is possible to thoroughly isolation emergency power storage circuit, be beneficial to the properly functioning of guarantee system.
In the present embodiment, electric energy is exported by described electromotor by rectification stable pressuring unit, as it can be seen, described rectification stable pressuring unit is electrically connected to before battery circuit and emergency power storage circuit parallel connection and between electromotor, rectification stable pressuring unit can adopt existing regulator rectifier circuit, does not repeat them here；It is further ensured that what electric energy exported stablizes, thus ensureing electric control fuel oil jet system and battery circuit and the stable operation of emergency power storage circuit.
In the present embodiment, described electrical power storage element is super capacitor, lithium battery, Ni-MH battery or small lead-acid battery；The existence of small battery and super capacitor, and not appreciably affect volume and the weight of whole electromotor, and there is stable electric energy supply.
In the present embodiment, described electromotor includes rotor and stator, and described rotor is arranged at the flywheel of electromotor, and stator coaxially extends in flywheel；Coaxially it is integrally formed with axle sleeve in described flywheel, and is matched with engine crankshaft by this axle sleeve transmission；Described stator and rotor are respectively positioned in the space between axle sleeve and flywheel inner radial wall；During startup, rotated by flywheel rotor driven, so that stator produces electric current, it is powered to the EFI system of electromotor, when after engine start, it is rotated further by the bent axle flywheel driven of electromotor, so that rotor is rotated further, stator produces follow current, therefore, pass through said structure, can for the electric energy providing reliable and stable that works of the EFI system of the electromotor of electromotor, it is equipped with accumulator without being individually for electromotor, it is substantially reduced production cost and use cost, it is beneficial to the overall lightweight of engine electric spray start-up circuit and miniaturization, convenient use, and the environmental problem that the use that can be prevented effectively from accumulator brings, it is beneficial to environmental protection；The generally annular structure of flywheel, described rotor is arranged at flywheel inner radial wall, stator coaxially extends in flywheel, by this structure, the overall structure making electromotor is extremely compact, although arranges stator and rotor, but does not increase the volume of electromotor self, it is beneficial to the lightweight to electromotor and miniaturization, convenient use；This structure simplifies the structure of flywheel on the one hand, makes flywheel have enough spaces for holding stator and rotor on the other hand, thus being beneficial to compact conformation；And Stability Analysis of Structures is reliable, wherein, one-body molded by spoke, floor etc. between axle sleeve and flywheel, do not repeat them here.
When the present invention installs and uses, stator is stator coil, and described rotor is rotor is multiple magnet steel, and described magnet steel is evenly arranged in flywheel inner radial wall along the circumferencial direction of flywheel；This structure ensure that stator coil exports continual and steady electric energy to EFI system, meets the work requirements of EFI system, and then ensures that electromotor can run continually and steadily.Described stator is fixedly installed in outside the casing of electromotor and extends in the space between axle sleeve and flywheel inner radial wall；Stator and rotor are respectively positioned on inside flywheel, and utilize casing to install stator, further enhancing the compact type of the present invention, are beneficial to the miniaturization of engine electric spray start-up circuit.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (8)
1. an engine electric spray start-up circuit, it is characterised in that: include electromotor, for storing the battery circuit of electromotor electric energy and by the electric control fuel oil jet system of described battery circuit output electrical connection；Also include emergency circuit, between switchable electric outfan and the electric control fuel oil jet system being connected to electromotor of described emergency circuit.
2. engine electric spray start-up circuit according to claim 1, it is characterised in that: described emergency circuit is emergency power storage circuit, and described emergency power storage circuit is parallel to accumulator in switchable mode.
3. engine electric spray start-up circuit according to claim 2, it is characterized in that: described emergency power storage circuit includes electrical power storage element and the storage element switching switch concatenated with electrical power storage element, described electrical power storage element is by storing element switching switch in parallel in battery circuit.
4. engine electric spray start-up circuit according to claim 3, it is characterized in that: described battery circuit includes accumulator and the accumulator switching switch concatenated with accumulator, described accumulator switches switch by accumulator and is electrically connected between electromotor and electric control fuel oil jet system, and described electrical power storage element switches the battery circuit of switch composition by storing element switching switch in parallel in accumulator and accumulator.
5. engine electric spray start-up circuit according to claim 4, it is characterised in that: the input and output side of described accumulator is equipped with accumulator switching switch, and the input and output side of described electrical power storage element is equipped with storage element switching switch.
6. engine electric spray start-up circuit according to claim 1, it is characterised in that: electric energy is exported by described electromotor by rectification stable pressuring unit.
7. engine electric spray start-up circuit according to claim 3, it is characterised in that: described electrical power storage element is super capacitor, lithium battery, Ni-MH battery or small lead-acid battery.
8. engine electric spray start-up circuit according to claim 1, it is characterised in that: described electromotor includes rotor and stator, and described rotor is arranged at the flywheel of electromotor, and stator coaxially extends in flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125132.6A CN105811556A (en) | 2016-03-04 | 2016-03-04 | Electronic injection starting circuit of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125132.6A CN105811556A (en) | 2016-03-04 | 2016-03-04 | Electronic injection starting circuit of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105811556A true CN105811556A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125132.6A Pending CN105811556A (en) | 2016-03-04 | 2016-03-04 | Electronic injection starting circuit of engine |
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| CN (1) | CN105811556A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137836Y (en) * | 1992-11-24 | 1993-07-07 | 杜强翔 | Multi-function mini-size rare earth generating diesel engine unit |
| CN1961148A (en) * | 2004-06-04 | 2007-05-09 | 株式会社三国 | Power supply device |
| CN101007523A (en) * | 2006-01-24 | 2007-08-01 | 株式会社电装 | Power supply system for automobile |
| CN101029614A (en) * | 2006-03-04 | 2007-09-05 | 浙江飞亚电子有限公司 | Current supplier of electrically-controlled fuel-oil jetting IC engine |
| CN101157341A (en) * | 2007-11-16 | 2008-04-09 | 中国南车集团株洲电力机车研究所 | An auxiliary power cellular system for tandem mixed power electric vehicle |
| CN201629633U (en) * | 2010-02-02 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Permanent magnet generator connected together with engine |
-
2016
- 2016-03-04 CN CN201610125132.6A patent/CN105811556A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137836Y (en) * | 1992-11-24 | 1993-07-07 | 杜强翔 | Multi-function mini-size rare earth generating diesel engine unit |
| CN1961148A (en) * | 2004-06-04 | 2007-05-09 | 株式会社三国 | Power supply device |
| CN101007523A (en) * | 2006-01-24 | 2007-08-01 | 株式会社电装 | Power supply system for automobile |
| JP2007198146A (en) * | 2006-01-24 | 2007-08-09 | Denso Corp | Power supply device of vehicle |
| CN101029614A (en) * | 2006-03-04 | 2007-09-05 | 浙江飞亚电子有限公司 | Current supplier of electrically-controlled fuel-oil jetting IC engine |
| CN101157341A (en) * | 2007-11-16 | 2008-04-09 | 中国南车集团株洲电力机车研究所 | An auxiliary power cellular system for tandem mixed power electric vehicle |
| CN201629633U (en) * | 2010-02-02 | 2010-11-10 | 株洲南车时代电气股份有限公司 | Permanent magnet generator connected together with engine |
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Application publication date: 20160727 |