CN105484923B - Low-temperature starting device for air-cooled and method - Google Patents
Low-temperature starting device for air-cooled and method Download PDFInfo
- Publication number
- CN105484923B CN105484923B CN201510837360.1A CN201510837360A CN105484923B CN 105484923 B CN105484923 B CN 105484923B CN 201510837360 A CN201510837360 A CN 201510837360A CN 105484923 B CN105484923 B CN 105484923B
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- Prior art keywords
- air
- flame
- temperature
- preheating device
- diesel engine
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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
- 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
- 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
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/13—Combustion air
-
- 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
- F02N19/06—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of combustion-air by flame generating means, e.g. flame glow-plugs
Abstract
Low-temperature starting device for air-cooled of the present invention and method are related to a kind of device and method for air-cooled diesel engine cold-starting.Its purpose is to provide a kind of low-temperature starting device for air-cooled that air-cooled diesel engine can be made smoothly to start at low ambient temperatures and method.Low-temperature starting device for air-cooled in the present invention includes flame preheating device and electrical heating preheating device, and the flame preheating device and electrical heating preheating device are all disposed within the air intake duct (1) of diesel engine.Air-cooled diesel engine cold-starting method in the present invention comprises the following steps：When temperature is more than 15 DEG C, flame preheating device is only enabled, electrical system starts to Flame preheating plug (3) electrified regulation；When temperature is 35 DEG C~15 DEG C, electrical heating preheating device is enabled again on the premise of flame preheating device is enabled.
Description
Technical field
The present invention relates to air-cooled diesel engine field, more particularly to a kind of device for air-cooled diesel engine cold-starting and
Method.
Background technology
The quick cold start under the conditions of extremely trembling with fear of high-power air-cooled diesel engine is a difficult point.At present generally using air intake duct fire
Flame preheats and sprayed the scheme of the common auxiliary starter of cold-starting combustion adjuvant.For air intake duct flame preheating method, it is ensured that car
Start more than -15 DEG C, for lower temperature (such as -35 DEG C~-15 DEG C), depending merely on flame preheating can not start, it is necessary to increase
Plus injection combustion adjuvant measure.For injection combustion adjuvant auxiliary starter, roughness noise influences engine life, combustion adjuvant discharge rate mistake
When many, combustion knock can be caused, it is clear that add the danger of operation.Exist therefore, solving high-power air-cooled diesel engine
It is urgently to be resolved hurrily the problem of quick smoothly starting under low temperature environment.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind air-cooled diesel engine can be made smoothly to start at low ambient temperatures
Low-temperature starting device for air-cooled and method.
Low-temperature starting device for air-cooled in the present invention, including flame preheating device and electrical heating preheating device, institute
State flame preheating device and electrical heating preheating device is all disposed within the air intake duct of diesel engine, the air in the air intake duct is from electricity
Heating preheating device flows to flame preheating device, the atomizer of diesel engine be located at electrical heating preheating device and flame preheating device it
Between, the flame preheating device includes Flame preheating plug, electrical system and the first control system, and the electrical system is used to heat
Flame preheating plug, first control system is used for the temperature for controlling Flame preheating plug, and the electrical heating preheating device includes adding
Hot device, heater strip and the second control system, the heater are connected with heater strip, and second control system controls heater pair
The heating-up temperature of heater strip.
Low-temperature starting device for air-cooled in the present invention, wherein first control system includes being connected by wire
Power supply, temperature detect switch (TDS) and electric switch.
Low-temperature starting device for air-cooled in the present invention, wherein second control system includes being connected by wire
Power supply, temperature detect switch (TDS) and electric switch.
Low-temperature starting device for air-cooled in the present invention, wherein the heater strip is provided with multiple, it is evenly arranged in
On air intake duct.
Air-cooled diesel engine cold-starting method in the present invention, comprises the following steps：
When temperature is more than -15 DEG C, flame preheating device is only enabled, electrical system, which starts to be powered to Flame preheating plug, to be added
Heat；
When the temperature of Flame preheating plug reaches 800~900 DEG C, diesel engine is started, the oil transfer pump of diesel engine is by diesel pump
Go out；
The diesel oil pumped out sprays into air intake duct after being atomized through atomizer；
Diesel oil after atomization is lighted to form flame after mixing with air by Flame preheating plug；
Flame enters inside cylinder of diesel engine with air stream；
When temperature is -35 DEG C~-15 DEG C, the pre- hot charging of electrical heating is enabled again on the premise of flame preheating device is enabled
Put；
Heater strip in electrical heating preheating device is heated to the air in air intake duct；
Air after heating is lighted after being mixed with the diesel oil after atomization by Flame preheating plug.
The present invention uses double mode charge heating mode, and pattern one is used in cold district (more than -15 DEG C), pre- by flame
Thermal is heated to air inlet path for diesel engine；Pattern two is used in extremely cold area (- 35 DEG C~-15 DEG C), by the pre- hot charging of flame
Put and diesel engine intake is heated jointly with electrical heating preheating device, both of which can make diesel engine fast at low ambient temperatures
Speed, smoothly starting.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of low-temperature starting device for air-cooled in the present invention.
Embodiment
As shown in figure 1, the low-temperature starting device for air-cooled in the present invention includes flame preheating device and electrical heating is pre-
Thermal, the flame preheating device and electrical heating preheating device are all disposed within the air intake duct 1 of diesel engine, the air intake duct 1
Interior air flows to flame preheating device from electrical heating preheating device, and the atomizer of diesel engine is located at electrical heating preheating device and fire
Between flame preheating device, the flame preheating device includes Flame preheating plug 3, electrical system and the first control system, the electricity
Gas system is used for heating flame heater plug 3, and first control system is used for the temperature for controlling Flame preheating plug 3, and the electricity adds
Hot preheating device includes heater 4, the control system of heater strip 2 and second, and the heater 4 is connected with heater strip 2, and described second
Heating-up temperature of the control system control heater 4 to heater strip 2.
First control system includes power supply, temperature detect switch (TDS) and the electric switch being connected by wire, the first control system
Effect mainly when the temperature of Flame preheating plug reaches setting after, be heated power-off, be no longer heat up, saving electricity, prolong
Its long service life.
Second control system includes power supply, temperature detect switch (TDS) and the electric switch being connected by wire, the second control system
Main function be when ambient temperature reaches -35 DEG C~-15 DEG C, make electrical heating preheating device open, save electrical power.
First and second above-mentioned control system is prior art, and at this, to its structure, it will not go into details.
Low-temperature starting device for air-cooled in the present invention, wherein the heater strip 2 is provided with multiple, it is evenly arranged in
On air intake duct 1.
Air-cooled diesel engine cold-starting method in the present invention, comprises the following steps：
When temperature is more than -15 DEG C, flame preheating device is only enabled, electrical system starts to be powered to Flame preheating plug 3
Heating；
When the temperature of Flame preheating plug 3 reaches 800~900 DEG C, diesel engine is started, the oil transfer pump of diesel engine is by diesel pump
Go out；
The diesel oil pumped out sprays into air intake duct 1 after being atomized through atomizer；
Diesel oil after atomization is lighted to form flame after mixing with air by Flame preheating plug 3；
Flame enters inside cylinder of diesel engine with air stream；
When temperature is -35 DEG C~-15 DEG C, the pre- hot charging of electrical heating is enabled again on the premise of flame preheating device is enabled
Put；
Heater strip 2 in electrical heating preheating device is heated to the air in air intake duct 1；
Air after heating is lighted after being mixed with the diesel oil after atomization by Flame preheating plug 3.
The present invention uses double mode charge heating mode, and pattern one is used in cold district (more than -15 DEG C), pre- by flame
Thermal is heated to air inlet path for diesel engine 1；Pattern two is used in extremely cold area (- 35 DEG C~-15 DEG C), by the pre- hot charging of flame
Put and diesel engine intake is heated jointly with electrical heating preheating device, both of which can make diesel engine fast at low ambient temperatures
Speed, smoothly starting.
Air-cooled diesel engine cold-starting method first Application in the present invention makes air-cooled diesel engine in certain model engine
Can be to be quick started in 5min under -35 DEG C of environment, Successful startup rate is up to 100% under experiment room environmental.It is short with preheating time,
Mobility is good, the features such as environmental suitability is strong.
The course of work of flame preheating device and electrical heating preheating device is described below：
1. flame preheating device
Flame preheating device is to make the device of diesel oil combustion heating air inlet in air intake duct 1 by Flame preheating plug 3, per side
The air inlet of air intake duct 1 sets a Flame preheating plug 3.
After firing switch connection preheating shelves are preheated, electrical system starts to the electrified regulation of Flame preheating plug 3, when flame is pre-
When heat 3 temperature of plug reach 800-900 DEG C, electrical system can start engine by the prompting of pre- thermal light.Pilot control
Firing switch is preheated to start gear, starter dragging engine rotation, while engine fuel transfer pump pumps out diesel oil, passes through flame
Diesel oil atomization is sprayed into air intake duct 1 by heater plug 3, and diesel oil is lighted to form flame after mixing with air by Flame preheating plug 3, with air inlet
Air-flow enters engine, cylinder inner air moment is heated up, so that engine is started.
2. electrical heating preheating device
Electrical heating preheating device is 2 pairs of grid type electrothermal alloy heater 4 and heater strip by being installed additional in air intake duct
The device that air in air intake duct 1 is heated, it is made up of heater 4, heater strip 2 and control system, enters per side air intake duct 1
Gas port sets a heater 4, while setting many pieces of electrical heating wires 2 per side, is evenly arranged in respectively on air intake duct 1.Grid type
Electrothermal alloy heater 4, is that the heat energy that the Joule effect for flowing through conductor using electric current is produced is heated to air.The heater
4 use relatively advanced electrothermal alloy and new material insulating ceramics, with good inoxidizability and corrosion resistance, with heating
Time is short, heat thermal efficiency height, the features such as simple in construction and on engine air inlet influences small.
Under extremely low temperature environmental condition (- 35 DEG C~-15 DEG C), low temperature air inlet preheating switch is connected, heater 4 starts work
Make, the temperature of heater 4 may be up to 700 DEG C, the air in air intake duct 1 is heated, when electric heater is by air intake duct 1
Air when being heated to higher temperature, pilot control preheats firing switch to start gear, and the hot-air in air intake duct 1 is therewith
Participate in burning into engine cylinder, in favor of fuel-oil atmozation, burning, so that engine is started.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (5)
1. a kind of low-temperature starting device for air-cooled, it is characterised in that：Including flame preheating device and electrical heating preheating device,
The flame preheating device and electrical heating preheating device are all disposed within the air intake duct (1) of diesel engine, the sky in the air intake duct
Gas flows to flame preheating device from electrical heating preheating device, and the atomizer of diesel engine is located at electrical heating preheating device and flame preheating
Between device, the flame preheating device includes Flame preheating plug (3), electrical system and the first control system, the electric system
Unite for heating flame heater plug (3), first control system is used for the temperature for controlling Flame preheating plug, the electrical heating is pre-
Thermal includes heater, heater strip (2) and the second control system, and the heater is connected with heater strip, second control
Heating-up temperature of the system control heater to heater strip.
2. low-temperature starting device for air-cooled according to claim 1, it is characterised in that：The first control system bag
Include power supply, temperature detect switch (TDS) and the electric switch being connected by wire.
3. low-temperature starting device for air-cooled according to claim 2, it is characterised in that：The second control system bag
Include power supply, temperature detect switch (TDS) and the electric switch being connected by wire.
4. low-temperature starting device for air-cooled according to claim 3, it is characterised in that：The heater strip (2) is provided with
Multiple, it is evenly arranged on air intake duct (1).
5. a kind of air-cooled diesel engine cold-starting method, it is characterised in that comprise the following steps：
When temperature is more than -15 DEG C, flame preheating device is only enabled, electrical system, which starts to be powered to Flame preheating plug (3), to be added
Heat；
When the temperature of Flame preheating plug (3) reaches 800~900 DEG C, diesel engine is started, the oil transfer pump of diesel engine is by diesel pump
Go out；
The diesel oil pumped out sprays into air intake duct (1) after being atomized through atomizer；
Diesel oil after atomization is lighted to form flame after mixing with air by Flame preheating plug (3)；
Flame enters inside cylinder of diesel engine with air stream；
When temperature is -35 DEG C~-15 DEG C, electrical heating preheating device is enabled again on the premise of flame preheating device is enabled；
Heater strip (2) in electrical heating preheating device is heated to the air in air intake duct (1)；
Air after heating is lighted after being mixed with the diesel oil after atomization by Flame preheating plug (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510837360.1A CN105484923B (en) | 2015-11-26 | 2015-11-26 | Low-temperature starting device for air-cooled and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510837360.1A CN105484923B (en) | 2015-11-26 | 2015-11-26 | Low-temperature starting device for air-cooled and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105484923A CN105484923A (en) | 2016-04-13 |
| CN105484923B true CN105484923B (en) | 2017-09-12 |
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ID=55672143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510837360.1A Active CN105484923B (en) | 2015-11-26 | 2015-11-26 | Low-temperature starting device for air-cooled and method |
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| CN (1) | CN105484923B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005830B (en) * | 2017-12-20 | 2019-11-08 | 东风汽车集团有限公司 | The embedded cold starting control system of intelligence |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094198A (en) * | 1991-04-26 | 1992-03-10 | Cummins Electronics Company, Inc. | Air intake heating method and device for internal combustion engines |
| JPH07117838B2 (en) * | 1993-08-06 | 1995-12-18 | スター精密株式会社 | Pronunciation body |
| DE19616651C2 (en) * | 1996-04-26 | 2000-04-13 | Deutz Ag | Cold start aid for diesel engines |
| CN101532457A (en) * | 2009-04-13 | 2009-09-16 | 胡洪兴 | Multiple fuel oil flame preheated plug electronically and intelligently controlled cold start device for diesel motor |
| CN103573525A (en) * | 2013-11-29 | 2014-02-12 | 陕西北方动力有限责任公司 | Low-temperature starting device of air-cooling diesel engine |
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| CN105484923A (en) | 2016-04-13 |
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