CN107829860B - A kind of engine start protection system and method - Google Patents
A kind of engine start protection system and method Download PDFInfo
- Publication number
- CN107829860B CN107829860B CN201711059691.2A CN201711059691A CN107829860B CN 107829860 B CN107829860 B CN 107829860B CN 201711059691 A CN201711059691 A CN 201711059691A CN 107829860 B CN107829860 B CN 107829860B
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- engine
- coolant temperature
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- electronic control
- starters
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- 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
- F02N11/10—Safety devices
-
- 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 or control means specially adapted for starting of engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of engine starts to protect system and method; the system includes: electronic control unit ECU, cooling-water temperature transmitter, two fast starters and power supply, in which: cooling-water temperature transmitter is used for the coolant temperature of real-time detection engine；Electronic control unit ECU judges whether coolant temperature reaches preset temperature value for obtaining coolant temperature in real time；Two fast starters control engine start by two gear start-up modes；Power supply provides startup power supply for two fast starters.Engine start protection system provided by the invention is according to the judgement to coolant temperature; block up that motivation control engine directly initiates or first auto-barring is restarted using two; it can be worn to avoid engine abnormity caused by engine is directly initiated under cryogenic conditions, and start engine can smoothly under cryogenic.
Description
Technical field
The present invention relates to technical field of engines, protect system and method more particularly to a kind of engine start.
Background technique
Currently, available engine Starting mode directly initiates for no starting protection, when northern weather cold, very much
Engine can cannot start because temperature is low.Such as: in winter or cold district, generally when temperature is lower than -20 DEG C, hair
Lubricating oil flow variation increases each movement components resistance in motivation, causes engine start difficult.
For the engine of no starting protection, if directly carrying out engine start in cryogenic conditions easily causes friction pair
Inordinate wear, and then reduce engine reliability and service life.Therefore, in order to avoid engine abnormity abrasion, make engine low
It can smoothly start under the conditions of temperature, be those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
It is an object of the invention to propose a kind of engine start protection system and method, engine abnormity is avoided to realize
Abrasion, start engine can smoothly under cryogenic.
In order to achieve the above objectives, the present invention provides following technical schemes:
A kind of engine start protection system, comprising: electronic control unit ECU, cooling-water temperature transmitter, two speed start
Machine and power supply, in which:
The cooling-water temperature transmitter is used for the coolant temperature of real-time detection engine；
The electronic control unit ECU judges that the coolant temperature is for obtaining the coolant temperature in real time
It is no to reach preset temperature value；
Described two fast starters control the engine start by two gear start-up modes；
The power supply provides startup power supply for described two fast starters.
Preferably, further includes: instrument board display, for can by the progress of the control instruction of the electronic control unit ECU
It is shown depending on changing.
Preferably, the two gears start-up mode includes: normal startup mode and low rate start mode.
Preferably, the normal startup mode is to directly initiate the engine.
Preferably, the low rate start mode is the jiggering for first making the engine carry out preset time at the low rotational speed,
The engine is started by the normal startup mode again, the low rate start mode is that can be realized engine speed maximum
Value is the start-up mode of 100r/min.
A kind of engine start guard method is applied to engine start described above and protects system, and the engine opens
Dynamic guard method, comprising:
The coolant temperature of real-time detection engine；
Judge whether the coolant temperature reaches preset temperature value；
If so, control described two blocks up the disk that motivation carries out preset time by low rate start mode to the engine
Vehicle, then the engine is started by normal startup mode；
The engine is directly initiated by the normal startup mode if it is not, then controlling described two and blocking up motivation.
Preferably, further includes:
When the coolant temperature reaches preset temperature value, then the electronics control is shown on the instrument board display
The control instruction of unit ECU processed.
It can be seen via above technical scheme that compared with prior art, the invention discloses a kind of protections of engine start
System and method, the system include: electronic control unit ECU, cooling-water temperature transmitter, two fast starters and power supply electricity
Source, in which: cooling-water temperature transmitter is used for the coolant temperature of real-time detection engine；Electronic control unit ECU is for real
When obtain coolant temperature, and judge whether coolant temperature reaches preset temperature value；Two fast starters start mould by two gears
Formula controls engine start；Power supply provides startup power supply for two fast starters.Engine start protection provided by the invention
System, according to the judgement to coolant temperature, use two block up motivation control engine directly initiate or first auto-barring again
Starting can wear to avoid engine abnormity caused by engine is directly initiated under cryogenic conditions, and make engine in low temperature item
Can smoothly it start under part.
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 engine start provided in an embodiment of the present invention protects system structure diagram；
Fig. 2 is a kind of engine start guard method flow diagram provided in an embodiment 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.
Attached drawing 1 is please referred to, Fig. 1 is a kind of engine starting system structural schematic diagram provided in an embodiment of the present invention.Such as Fig. 1
It is shown, the embodiment of the invention discloses a kind of engine start protect system, specific structure include: electronic control unit ECU1,
The fast starter 3 of cooling-water temperature transmitter 2, two and power supply 4, in which:
Cooling-water temperature transmitter 2 is used for the coolant temperature of real-time detection engine 5；Electronic control unit ECU1 is used for
Coolant temperature is obtained in real time, and judges whether coolant temperature reaches preset temperature value；Two fast starters 3 pass through two gear startings
Scheme control engine 5 starts, and power supply 4 is that two fast starters 3 provide startup power supply.
Wherein, two fast starters can realize the starter of two gears control, comprising: normal startup mode and low rate start mould
Formula, low gear start-up mode can realize control low engine speeds rotation, and normal startup mode is to directly initiate engine, the slow-speed of revolution
Maximum (top) speed value can be set to 100r/min, being in revolving speed within 100r/min is the slow-speed of revolution, i.e. low rate start mould
Formula is the start-up mode that can be realized engine speed maximum value and be 100r/min.
Preferably, the engine starting system further include: instrument board display, for by the control of electronic control unit ECU
System instruction carries out visualization display.
Specifically, the above-mentioned preset temperature value referred to can be set to -20 DEG C, after Engine ECU is powered, cooling is first passed through
Liquid temperature sensor acquires coolant temperature T, if T >=-20 DEG C, starter is controlled by ECU and opens normal startup mode, directly
Connect starting engine；If < -20 DEG C of T, i.e., when coolant temperature is lower than -20 DEG C, then first by the low rate start mould of two fast starters
Formula makes engine carry out the jiggering (such as 5min) of certain time at the slow-speed of revolution (such as 5r/min), then passes through again and normally starts mould
Formula starts engine, and " water temperature oil temperature is low, starts first jiggering " occurs in instrument board display at this time, it may be assumed that, can only when < -20 DEG C of T
First jiggering, then normal starting again.
The present embodiment provides a kind of engine starts to protect system, which includes: electronic control unit ECU, coolant liquid
Temperature sensor, two fast starters and power supply, in which: cooling-water temperature transmitter is cold for real-time detection engine
But liquid temperature；Electronic control unit ECU judges whether coolant temperature reaches default temperature for obtaining coolant temperature in real time
Angle value；Two fast starters control engine start by two gear start-up modes, and power supply provides starting electricity for two fast starters
Source.Engine start provided in this embodiment protects system, and according to the judgement to coolant temperature, use two blocks up motivation control
Engine directly initiates or first auto-barring is restarted, and can start to avoid being directly initiated caused by engine under cryogenic conditions
Machine inordinate wear, and start engine can smoothly under cryogenic.
Attached drawing 2 is please referred to, Fig. 2 is a kind of engine start guard method flow diagram provided in an embodiment of the present invention.
As shown in Fig. 2, being applied to engine start described above the embodiment of the invention discloses a kind of engine start guard method
Protection system, the engine start guard method, specific steps include the following:
The coolant temperature of S201, real-time detection engine.
S202, judge whether coolant temperature reaches preset temperature value, if so, thening follow the steps S203；If it is not, then executing
Step S204.
S203, control two block up motivation and carry out the jiggering of preset time to engine by low rate start mode, then pass through
Normal startup mode starts the engine.
S204, control two block up motivation and directly initiate engine by normal startup mode.
Preferably, this method step further include:
When coolant temperature reaches preset temperature value, then show electronic control unit ECU's on instrument board display
Control instruction.
Preferably, the above-mentioned preset temperature value referred to can be set to -20 DEG C, after Engine ECU is powered, first pass through cooling
Liquid temperature sensor acquires coolant temperature T, if T >=-20 DEG C, starter is controlled by ECU and opens normal startup mode, directly
Connect starting engine；If < -20 DEG C of T, i.e., when coolant temperature is lower than -20 DEG C, then first by the low rate start mould of two fast starters
Formula makes engine carry out the jiggering (such as 5min) of certain time at the slow-speed of revolution (such as 5r/min), then passes through again and normally starts mould
Formula starts engine, and " water temperature oil temperature is low, starts first jiggering " occurs in instrument board display at this time, it may be assumed that, can only when < -20 DEG C of T
First jiggering, then normal starting again.
The present embodiment provides a kind of engine start guard methods, are applied to engine start described above protection system
System, which includes: the coolant temperature of real-time detection engine；Judge whether coolant temperature reaches
Preset temperature value, if so, control two blocks up the jiggering that motivation carries out preset time by low gear start-up mode to engine, then
Start the engine by normal startup mode；It is directly initiated if it is not, then controlling two and blocking up motivation by normal startup mode
Engine.Engine start guard method provided in this embodiment blocks up motivation according to the judgement to coolant temperature, use two
Control engine directly initiates or first auto-barring is restarted, can be to avoid directly initiating caused by engine under cryogenic conditions
Engine abnormity abrasion, and start engine can smoothly under cryogenic.
A kind of engine start provided by the invention protects system and method, can (such as temperature is less than -20 to avoid low temperature
DEG C) directly initiate the abrasion of engine abnormity caused by vehicle；Can be achieved to judge automatically whether jiggering, avoid artificially judging to cause to send out
Motivation inordinate wear；And two speed gear starters need to be only used on primary motivational basis, it is not required to another feeder apparatus；Further
, realize engine start instruction visualization.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion so that article or equipment including a series of elements not only include those elements, but also is wrapped
Other elements that are not explicitly listed are included, or further include for this article or the intrinsic element of equipment.Do not having more
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that include above-mentioned element article or
There is also other identical elements in person's equipment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (4)
1. a kind of engine start protects system characterized by comprising electronic control unit ECU, coolant temperature sensing
Device, two fast starters and power supply, in which:
The cooling-water temperature transmitter is used for the coolant temperature of real-time detection engine；
The electronic control unit ECU judges whether the coolant temperature reaches for obtaining the coolant temperature in real time
To preset temperature value；
Described two fast starters control the engine start by two gear start-up modes, and the two gears start-up mode includes: just
Normal start-up mode and low rate start mode, wherein the normal startup mode is to directly initiate the engine, and the low speed opens
Dynamic model formula is the jiggering for first making the engine carry out preset time at the low rotational speed, then is started by the normal startup mode
The engine, the low rate start mode are the start-up mode that can be realized engine speed maximum value and be 100r/min；
The power supply provides startup power supply for described two fast starters；
After the electronic control unit ECU is powered, coolant temperature is acquired by the cooling-water temperature transmitter, if described
When coolant temperature is greater than the preset temperature value, then starter unlatching is controlled by the electronic control unit ECU and normally opened
Dynamic model formula directly initiates the engine；If the coolant temperature is less than the preset temperature value, first started by two speed
The low rate start mode of machine makes engine carry out the jiggering of preset time at the low rotational speed, is then normally opened by described again
Dynamic model formula starts the engine.
2. engine start according to claim 1 protects system, which is characterized in that further include: instrument board display is used
In the control instruction of the electronic control unit ECU is carried out visualization display.
3. a kind of engine start guard method, which is characterized in that start applied to described in the claims 1-2 any one
Machine starting protection system, the engine start guard method, comprising:
The coolant temperature of real-time detection engine；
Judge whether the coolant temperature reaches preset temperature value；
If so, control described two blocks up the jiggering that motivation carries out preset time by low rate start mode to the engine,
The engine is started by normal startup mode again；
The engine is directly initiated by the normal startup mode if it is not, then controlling described two and blocking up motivation.
4. engine start guard method according to claim 3, which is characterized in that further include:
When the coolant temperature reaches preset temperature value, then show that the electronic control is single on the instrument board display
The control instruction of first ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059691.2A CN107829860B (en) | 2017-11-01 | 2017-11-01 | A kind of engine start protection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059691.2A CN107829860B (en) | 2017-11-01 | 2017-11-01 | A kind of engine start protection system and method |
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| Publication Number | Publication Date |
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| CN107829860A CN107829860A (en) | 2018-03-23 |
| CN107829860B true CN107829860B (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711059691.2A Active CN107829860B (en) | 2017-11-01 | 2017-11-01 | A kind of engine start protection system and method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112523861B (en) * | 2020-12-18 | 2023-05-16 | 中船动力有限公司 | Self-protection starting system and starting method of marine diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011047348A (en) * | 2009-08-28 | 2011-03-10 | Toyota Motor Corp | Automobile |
| CN102267454A (en) * | 2010-06-01 | 2011-12-07 | 北汽福田汽车股份有限公司 | Cold-start control system and method of hybrid vehicle and hybrid vehicle |
| CN102947579A (en) * | 2010-06-23 | 2013-02-27 | 罗伯特·博世有限公司 | Starting device and starting method for an internal combustion engine comprising multiple starter motors |
| CN104989534A (en) * | 2015-06-18 | 2015-10-21 | 中国北方车辆研究所 | Method for starting vehicle engine through combination of high pressure and low pressure |
| CN205297811U (en) * | 2015-12-05 | 2016-06-08 | 潍柴动力股份有限公司 | Starter of tep reel car function |
-
2017
- 2017-11-01 CN CN201711059691.2A patent/CN107829860B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011047348A (en) * | 2009-08-28 | 2011-03-10 | Toyota Motor Corp | Automobile |
| CN102267454A (en) * | 2010-06-01 | 2011-12-07 | 北汽福田汽车股份有限公司 | Cold-start control system and method of hybrid vehicle and hybrid vehicle |
| CN102947579A (en) * | 2010-06-23 | 2013-02-27 | 罗伯特·博世有限公司 | Starting device and starting method for an internal combustion engine comprising multiple starter motors |
| CN104989534A (en) * | 2015-06-18 | 2015-10-21 | 中国北方车辆研究所 | Method for starting vehicle engine through combination of high pressure and low pressure |
| CN205297811U (en) * | 2015-12-05 | 2016-06-08 | 潍柴动力股份有限公司 | Starter of tep reel car function |
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| CN107829860A (en) | 2018-03-23 |
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