CN109356761A - A kind of diesel engine preheating control method and module - Google Patents
A kind of diesel engine preheating control method and module Download PDFInfo
- Publication number
- CN109356761A CN109356761A CN201811554602.6A CN201811554602A CN109356761A CN 109356761 A CN109356761 A CN 109356761A CN 201811554602 A CN201811554602 A CN 201811554602A CN 109356761 A CN109356761 A CN 109356761A
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- preheating
- atmospheric pressure
- preheating time
- diesel engine
- temperature sensor
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Classifications
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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
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
-
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/042—Combustion air
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
- F02M35/1038—Sensors for intake systems for temperature or pressure
-
- 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
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Include: S01 the invention discloses a kind of diesel engine preheating control method and module, method: judging that water temperature sensor with the presence or absence of failure, otherwise executes S011-S012, is, execute S02；S011: acquisition coolant temperature and atmospheric pressure；S012: according to coolant temperature and atmospheric pressure, obtained for the first preheating time；S02: judge that environment temperature sensor with the presence or absence of failure, otherwise executes S021-S022, is, execute S03；S021: acquisition environment temperature；S022: coolant temperature is set to the environment temperature in S021, and executes S011-S012；S03: after judging charge inter cooling otherwise intake air temperature sensor executes S031-S032, is, execute S04 with the presence or absence of failure；S031: acquisition intake air temperature and atmospheric pressure；S032: according to intake air temperature and atmospheric pressure, obtained for the second preheating time；S04: coolant temperature is set to preset value, and executes S011-S012.The diesel engine preheating control method of the disclosure can effectively avoid preheating device because heated long-time causes to damage.
Description
Technical field
The present invention relates to diesel engine realms, more particularly, to a kind of diesel engine preheating control method and mould
Block.
Background technique
Critical component of the preheating device as diesel engine assistant starting, it can auxiliary diesel engine machine be cold opens
It is dynamic.When diesel engine low-temperature cool starting, air in cylinder is preheated by preheating device, thus auxiliary diesel
The starting of engine.Moreover, the following period of time after low-temperature cool starting, can also continue to using preheating device to air into
Row heating, so as to improve the idle stability and noise of diesel engine.
The working time of existing preheating device is determined by engine coolant temperature and atmospheric pressure.When water temperature senses
When device breaks down, then preset value is set by the engine coolant temperature for determining the working time of preheating device.At this time not
It is in which type of state by diesel engine, preheating device is intended to the work long period, preheating device is be easy to cause to damage.Especially
It is in the case where torrid areas and diesel engine are in heat engine, and the probability of preheating device damage is bigger.
Therefore, how to provide it is a kind of can effectively avoid preheating device damage preheating control method become this field need to solve
Technical problem certainly.
Summary of the invention
It is an object of the present invention to provide a kind of diesel engine warm-up controls that can effectively avoid preheating device damage
The new solution of method.
According to the first aspect of the invention, a kind of diesel engine preheating control method is provided.
The diesel engine preheating control method includes the following steps:
S01: after vehicle powers on, judging that water temperature sensor whether there is failure, if it has not, S011-S012 is thened follow the steps,
If it is, thening follow the steps S02；
S011: acquisition coolant temperature and atmospheric pressure；
S012: according to the coolant temperature and atmospheric pressure in step S011, obtained for the first preheating time；
S02: judging that environment temperature sensor whether there is failure, if it has not, S021-S022 is thened follow the steps, if it is,
Then follow the steps S03；
S021: acquisition environment temperature；
S022: coolant temperature is set to the environment temperature in step S021, and executes step S011-S012；
S03: intake air temperature sensor is with the presence or absence of failure after judging charge inter cooling, if it has not, thening follow the steps S031-
S032, if it is, thening follow the steps S04；
S031: acquisition intake air temperature and atmospheric pressure；
S032: according to the intake air temperature and atmospheric pressure in step S031, obtained for the second preheating time；
S04: coolant temperature is set to preset value, and executes step S011-S012.
Optionally, the first preheating time in step S012 is checked in by the first preheating time table, described first preheating when
Between table be engine coolant temperature, atmospheric pressure and the relation table of preheating time.
Optionally, the second preheating time in step S032 is checked in by the second preheating time table, described second preheating when
Between table be intake air temperature, atmospheric pressure and the relation table of preheating time.
Optionally, step S012 further include: issue preheating alarm signal.
Optionally, step S032 further include: issue preheating alarm signal.
Optionally, the preset value in step S04 is -25 DEG C.
According to the second aspect of the invention, a kind of diesel engine warm-up control module is provided.
After the diesel engine warm-up control module is powered on for vehicle, judge that water temperature sensor whether there is failure, if
Failure is not present in water temperature sensor, then acquires coolant temperature and atmospheric pressure, and obtain according to coolant temperature and atmospheric pressure
Took for the first preheating time；If there are failures for water temperature sensor, judge environment temperature sensor with the presence or absence of failure；If environment temperature
It spends sensor and failure is not present, then acquire environment temperature and atmospheric pressure, and preheating is obtained according to environment temperature and atmospheric pressure
Time；If there are failures for environment temperature sensor, intake air temperature sensor is with the presence or absence of failure after judging charge inter cooling；If increasing
Failure is not present in cold rear intake air temperature sensor in pressure, then acquires intake air temperature and atmospheric pressure, and according to intake air temperature and greatly
Atmospheric pressure obtained for the second preheating time；If there are failures for intake air temperature sensor after charge inter cooling, coolant temperature is set to
Preset value, and preheating time is obtained according to coolant temperature and atmospheric pressure.
Optionally, first preheating time is checked in by the first preheating time table, wherein the first preheating time table
For engine coolant temperature, atmospheric pressure and the relation table of preheating time；
Second preheating time is checked in by the second preheating time table, wherein the second preheating time table is air inlet
Temperature, atmospheric pressure and the relation table of preheating time.
Optionally, after the first preheating time of acquisition or after obtaining for the second preheating time, the diesel engine warm-up control
Module issues preheating alarm signal.
Optionally, the preset value is -25 DEG C.
The diesel engine preheating control method of the disclosure is avoided directly after water temperature sensor breaks down using default
Value is used as engine coolant temperature, can effectively avoid preheating device because heated long-time causes to damage.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the flow chart of the diesel engine preheating control method embodiment of the disclosure.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
As shown in Figure 1, the diesel engine preheating control method of the disclosure includes the following steps:
Step S01: after vehicle powers on, judge water temperature sensor with the presence or absence of failure.If it has not, thening follow the steps S011-
S012.If it is, thening follow the steps S02.Judge that water temperature sensor can be by well known in the art with the presence or absence of the mode of failure
Mode realizes that the disclosure is not further limited this.
Step S011: acquisition coolant temperature and atmospheric pressure.
Step S012: according to the coolant temperature and atmospheric pressure in step S011, obtained for the first preheating time.Pre- hot charging
Warm-up operation can be carried out according to the first preheating time by setting.The first preheating time in step S012 is looked by the first preheating time table
, the first preheating time table is engine coolant temperature, atmospheric pressure and the relation table of preheating time.It is big by changing
Atmospheric pressure can get different engine coolant temperature and preheating time, to obtain an engine coolant temperature, big
The relation table of atmospheric pressure and preheating time.
When it is implemented, step S012 further include: issue preheating alarm signal.Preheating alarm signal may be, for example, so that alert
Show that lamp lights or the signal that loudspeaker is made a sound etc..
Step S02: judge environment temperature sensor with the presence or absence of failure.If it has not, thening follow the steps S021-S022.If
Be it is yes, then follow the steps S03.Judge that environment temperature sensor can be by mode well known in the art with the presence or absence of the mode of failure
It realizes, the disclosure is not further limited this.
Step S021: acquisition environment temperature.
Step S022: coolant temperature is set to the environment temperature in step S021, and executes step S011-S012.This
Sample, the coolant temperature in step S011-012 is environment temperature, after acquiring atmospheric pressure, according to coolant temperature and atmospheric pressure
Power, obtained for the first preheating time, and preheating device can carry out warm-up operation according to the first preheating time.
Step S03: intake air temperature sensor is with the presence or absence of failure after judging charge inter cooling.If it has not, thening follow the steps
S031-S032.If it is, thening follow the steps S04.Judge that intake air temperature sensor after charge inter cooling whether there is the mode of failure
It can realize that the disclosure is not further limited this by mode well known in the art.
Step S031: acquisition intake air temperature and atmospheric pressure.
Step S032: according to the intake air temperature and atmospheric pressure in step S031, obtained for the second preheating time.Intake air temperature
It is obtained by intake air temperature sensor after charge inter cooling.Preheating device can carry out warm-up operation according to the second preheating time.Step
The second preheating time in S032 is checked in by the second preheating time table, and the second preheating time table is intake air temperature, atmosphere
The relation table of pressure and preheating time.By changing atmospheric pressure, different intake air temperature and preheating time can get, to obtain
Obtain an intake air temperature, atmospheric pressure and the relation table of preheating time.
When it is implemented, step S032 further include: issue preheating alarm signal.Preheating alarm signal may be, for example, so that alert
Show that lamp lights or the signal that loudspeaker is made a sound etc..
Step S04: coolant temperature is set to preset value, and executes step S011-S012.Preset value in step S04
It can be -25 DEG C.In this way, coolant temperature in step S011-012 is preset value, after acquiring atmospheric pressure, according to preset value and
Atmospheric pressure, obtained for the first preheating time, and preheating device can carry out warm-up operation according to the first preheating time.
The diesel engine preheating control method of the disclosure is avoided directly after water temperature sensor breaks down using default
Value is used as engine coolant temperature, can effectively avoid preheating device because heated long-time causes to damage.
The disclosure additionally provides a kind of diesel engine warm-up control module.
After the diesel engine warm-up control module is powered on for vehicle, judge that water temperature sensor whether there is failure, if
Failure is not present in water temperature sensor, then acquires coolant temperature and atmospheric pressure, and obtain according to coolant temperature and atmospheric pressure
Took for the first preheating time；If there are failures for water temperature sensor, judge environment temperature sensor with the presence or absence of failure；If environment temperature
It spends sensor and failure is not present, then acquire environment temperature and atmospheric pressure, and preheating is obtained according to environment temperature and atmospheric pressure
Time；If there are failures for environment temperature sensor, intake air temperature sensor is with the presence or absence of failure after judging charge inter cooling；If increasing
Failure is not present in cold rear intake air temperature sensor in pressure, then acquires intake air temperature and atmospheric pressure, and according to intake air temperature and greatly
Atmospheric pressure obtained for the second preheating time；If there are failures for intake air temperature sensor after charge inter cooling, coolant temperature is set to
Preset value, and preheating time is obtained according to coolant temperature and atmospheric pressure.
In one embodiment of the diesel engine warm-up control module of the disclosure, first preheating time passes through the
One preheating time table checks in, wherein the first preheating time table is engine coolant temperature, atmospheric pressure and preheating time
Relation table；
Second preheating time is checked in by the second preheating time table, wherein the second preheating time table is air inlet
Temperature, atmospheric pressure and the relation table of preheating time.
In one embodiment of the diesel engine warm-up control module of the disclosure, after the first preheating time of acquisition or obtain
After taking for the second preheating time, the diesel engine warm-up control module issues preheating alarm signal.
In one embodiment of the diesel engine warm-up control module of the disclosure, the preset value is -25 DEG C.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of diesel engine preheating control method, which comprises the steps of:
S01: after vehicle powers on, judging that water temperature sensor whether there is failure, if it has not, S011-S012 is thened follow the steps, if
It is to then follow the steps S02；
S011: acquisition coolant temperature and atmospheric pressure；
S012: according to the coolant temperature and atmospheric pressure in step S011, obtained for the first preheating time；
S02: environment temperature sensor is judged with the presence or absence of failure, if it has not, S021-S022 is thened follow the steps, if it has, then holding
Row step S03；
S021: acquisition environment temperature；
S022: coolant temperature is set to the environment temperature in step S021, and executes step S011-S012；
S03: intake air temperature sensor is with the presence or absence of failure after judging charge inter cooling, if it has not, S031-S032 is thened follow the steps,
If it is, thening follow the steps S04；
S031: acquisition intake air temperature and atmospheric pressure；
S032: according to the intake air temperature and atmospheric pressure in step S031, obtained for the second preheating time；
S04: coolant temperature is set to preset value, and executes step S011-S012.
2. diesel engine preheating control method according to claim 1, which is characterized in that first in step S012 is pre-
The hot time is checked in by the first preheating time table, the first preheating time table be engine coolant temperature, atmospheric pressure and
The relation table of preheating time.
3. diesel engine preheating control method according to claim 1, which is characterized in that second in step S032 is pre-
The hot time is checked in by the second preheating time table, and the second preheating time table is intake air temperature, atmospheric pressure and preheating time
Relation table.
4. diesel engine preheating control method according to claim 1, which is characterized in that step S012 further include: hair
Alarm signal is preheated out.
5. diesel engine preheating control method according to claim 1, which is characterized in that step S032 further include: hair
Alarm signal is preheated out.
6. according to claim 1 to diesel engine preheating control method described in 5 any one, which is characterized in that step S04
In preset value be -25 DEG C.
7. a kind of diesel engine warm-up control module, which is characterized in that after powering on for vehicle, whether judge water temperature sensor
There are failure, if failure is not present in water temperature sensor, acquire coolant temperature and atmospheric pressure, and according to coolant temperature and
Atmospheric pressure obtained for the first preheating time；If there are failures for water temperature sensor, judge environment temperature sensor with the presence or absence of event
Barrier；If failure is not present in environment temperature sensor, environment temperature and atmospheric pressure are acquired, and according to environment temperature and atmospheric pressure
Power obtains preheating time；If there are failures for environment temperature sensor, whether intake air temperature sensor is deposited after judging charge inter cooling
In failure；If failure is not present in intake air temperature sensor after charge inter cooling, acquire intake air temperature and atmospheric pressure, and according into
Temperature degree and atmospheric pressure obtained for the second preheating time；If there are failures for intake air temperature sensor after charge inter cooling, will cool down
Liquid temperature is set to preset value, and obtains preheating time according to coolant temperature and atmospheric pressure.
8. diesel engine warm-up control module according to claim 7, which is characterized in that first preheating time is logical
It is checked in after the first preheating time table, wherein the first preheating time table is engine coolant temperature, atmospheric pressure and preheating
The relation table of time；
Second preheating time is checked in by the second preheating time table, wherein the second preheating time table be intake air temperature,
The relation table of atmospheric pressure and preheating time.
9. diesel engine warm-up control module according to claim 7, which is characterized in that after obtaining for the first preheating time
Or after obtaining for the second preheating time, the diesel engine warm-up control module issues preheating alarm signal.
10. diesel engine warm-up control module according to claim 7, which is characterized in that the preset value is -25
℃。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554602.6A CN109356761B (en) | 2018-12-18 | 2018-12-18 | Preheating control method and module for diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554602.6A CN109356761B (en) | 2018-12-18 | 2018-12-18 | Preheating control method and module for diesel engine |
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| CN109356761A true CN109356761A (en) | 2019-02-19 |
| CN109356761B CN109356761B (en) | 2020-07-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN111140338A (en) * | 2019-12-02 | 2020-05-12 | 潍柴动力股份有限公司 | Engine protection method and system based on air inlet temperature |
| CN111520271A (en) * | 2020-04-22 | 2020-08-11 | 东风越野车有限公司 | Auxiliary starting control method for engine of off-road vehicle in plateau high-cold environment |
| CN111691990A (en) * | 2020-06-12 | 2020-09-22 | 东风商用车有限公司 | Rapid engine warming method |
| CN114320702A (en) * | 2021-12-17 | 2022-04-12 | 中国北方发动机研究所(天津) | Air inlet heating control method for diesel engine |
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| US20100031911A1 (en) * | 2006-09-22 | 2010-02-11 | Bertrand Gessier | Device for starting an internal combustion engine, particularly a diesel engine |
| CN103758673A (en) * | 2014-01-20 | 2014-04-30 | 潍柴动力股份有限公司 | Diesel engine cold start control system and method |
| CN108071544A (en) * | 2016-11-14 | 2018-05-25 | 现代自动车株式会社 | Engine start control method |
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| US20100031911A1 (en) * | 2006-09-22 | 2010-02-11 | Bertrand Gessier | Device for starting an internal combustion engine, particularly a diesel engine |
| CN201080882Y (en) * | 2007-09-26 | 2008-07-02 | 安徽江淮汽车股份有限公司 | Supercharging intercooling diesel motor preheating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN111140338A (en) * | 2019-12-02 | 2020-05-12 | 潍柴动力股份有限公司 | Engine protection method and system based on air inlet temperature |
| CN111520271A (en) * | 2020-04-22 | 2020-08-11 | 东风越野车有限公司 | Auxiliary starting control method for engine of off-road vehicle in plateau high-cold environment |
| CN111691990A (en) * | 2020-06-12 | 2020-09-22 | 东风商用车有限公司 | Rapid engine warming method |
| CN114320702A (en) * | 2021-12-17 | 2022-04-12 | 中国北方发动机研究所(天津) | Air inlet heating control method for diesel engine |
| CN114320702B (en) * | 2021-12-17 | 2023-05-16 | 中国北方发动机研究所(天津) | Air inlet heating control method for diesel engine |
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|---|---|
| CN109356761B (en) | 2020-07-24 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |