CN108131194A - A kind of spark ignition type diesel engine - Google Patents
A kind of spark ignition type diesel engine Download PDFInfo
- Publication number
- CN108131194A CN108131194A CN201810008496.5A CN201810008496A CN108131194A CN 108131194 A CN108131194 A CN 108131194A CN 201810008496 A CN201810008496 A CN 201810008496A CN 108131194 A CN108131194 A CN 108131194A
- Authority
- CN
- China
- Prior art keywords
- control device
- cylinder
- diesel engine
- combustion chamber
- ignition type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000002283 diesel fuel Substances 0.000 claims abstract description 27
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 239000003502 gasoline Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B5/00—Engines characterised by positive ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/089—Safety, indicating, or supervising devices relating to engine 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of spark ignition type diesel engines, are related to engine ignition technical field, including：Engine body, cylinder head, control device and cylinder；Fueling injection equipment, cylinder temperature sensor, igniter, heating unit are provided in machine cylinder head；Fueling injection equipment is electrically connected with control device, for spraying diesel oil into combustion chamber；Cylinder temperature sensor is electrically connected with control device, for detecting indoor temperature of burning, and the temperature signal detected is fed back to control device；Igniter is electrically connected with control device, for for the indoor diesel ignition of burning；Heating unit is electrically connected with control device, for being heated for combustion chamber；So that the diesel oil in diesel engine is burnt by lighting, without passing through pressure combustion.
Description
Technical field
The present invention relates to engine ignition technical field, especially a kind of spark ignition type diesel engine.
Background technology
Conventional diesel uses compression-ignited Starting mode, and good economy performance, the thermal efficiency is high and torque is big, but diesel oil burning point
Height, compression ratio is high, and high diesel oil burning point is high greatly to organism material intensity requirement for in-cylinder pressure, starts load greatly to starting energy requirement
Height, the big rotating speed of connecting rod stroke is low, leads to diesel engine body quality weight, startup difficulty is big, and engine occupied space is big.
If Chinese utility model CN206617257U discloses a kind of highly integrated formula multipurpose diesel engine of environment-friendly type,
Including diesel engine block, electronic control unit, automatically controlled VE distribution diesel pump, p-type fuel injector and fuel tank, the diesel oil hair
Inflating pump in the gear chamber of motivation ontology is installed, bell housing on the right side of diesel engine block is installed, is installed in bell housing
Have flywheel, water pump assembly PTO output shafts be installed on flywheel, the diesel oil ignited mode of such diesel engine be it is compression-ignited,
It need to be pressurizeed with air pump, the requirement to diesel oil-jetting device is high, diesel engine volume is caused to increase, diesel engine cylinder internal pressure
Power increases, and diesel engine starts difficulty increase.
Invention content
First, technical problems to be solved
The present invention for the drawbacks described above present in the prior art, solve in the prior art diesel engine volume greatly,
Start the problem of requirement is high and high to the requirement of the engine body strength of materials.
2nd, technical solution
In order to solve the above technical problems, the present invention provides a kind of spark ignition type diesel engine, including：Engine body, gas
Cylinder cap, control device and cylinder；
Cylinder head is fixedly mounted on cylinder, is used to form closed engine chamber；
Fueling injection equipment, cylinder temperature sensor, igniter, heating unit are provided in cylinder head；Fueling injection equipment is filled with control
Electrical connection is put, for spraying diesel oil into combustion chamber；Cylinder temperature sensor is electrically connected with control device, indoor for detecting burning
Temperature, and the temperature signal detected is fed back into control device；Igniter is electrically connected with control device, for for combustion chamber
Interior diesel ignition；Heating unit is electrically connected with control device, for being heated for combustion chamber；By setting heating unit, with drop
The difficulty that low diesel oil is lighted；
Control device is arranged on engine body, for receiving the temperature signal of cylinder temperature sensor feedback, control heating
Device is that combustion chamber heating, control fueling injection equipment oil spout and control igniter into combustion chamber are the indoor diesel oil point of burning
Fire.
Wherein, fueling injection equipment includes mounting base, primary fuel injection device and secondary fuel injector；Primary fuel injection device and secondary fuel injector
It is connected, and is arranged in the middle part of mounting base；The diesel oil that secondary fuel injector is used to spray primary fuel injection device carries out pressurization fill-before-fire.
Wherein, igniter includes spark plug and ignition coil, and spark plug is electrically connected with ignition coil, and ignition coil is used for
Current Voltage is provided for spark plug, realizes electric ignition.
Wherein, control device is provided with preset temperature value, when the temperature value that cylinder temperature sensor measures is less than preset value, control
Device control heating unit processed is heated for combustion chamber；When the temperature value that cylinder temperature sensor measures is not less than preset temperature value, control
Device processed controls fueling injection equipment oil spout into combustion chamber, and controls igniter as the indoor diesel ignition that burns；To ensure combustion
Indoor temperature is burnt, reaches the temperature that diesel oil is lighted, and reduces the startup difficulty of diesel engine.
Wherein, mounting base is additionally provided with air passage and oil canal, for after diesel oil and air are pre-mixed through primary
Fuel injector and secondary fuel injector spray into combustion chamber, can provide atomizing effect better diesel oil, make its burning more abundant, improve this
The whole efficiency of invention spark ignition type diesel engine.
Wherein, screw thread is provided in the middle part of spark plug, for being fixed with cylinder head by thread fitting so that assemble up letter
Folk prescription just, while plays a protective role to spark plug.
Wherein, cylinder temperature sensor outer layer is provided with heat-barrier material, for reducing cylinder head own temperature to cylinder temperature sensor
Influence to temperature detection result in combustion chamber improves the accuracy of detection of burning indoor temperature.
Wherein, heating unit selects quartz heating stick.
3rd, advantageous effect
Compared with prior art, a kind of spark ignition type diesel engine provided by the invention, by setting heating unit and cylinder
Temperature sensor so that the temperature of diesel engine combustion chamber can reach the temperature lighted suitable for diesel oil；By setting primary spray
Oily device and secondary fuel injector, improve pressure when diesel oil sprays into combustion chamber, reduce the difficulty that diesel oil is lighted；So that bavin
Diesel oil in oil turbine is by lighting burning, without by pressure combustion, alleviating the weight of diesel engine, improving
The power to weight ratio of diesel engine reduces the requirement to the diesel engine body strength of materials, reduces opening for diesel engine
Dynamic difficulty, efficiency of combustion is more preferable, more economical.
Description of the drawings
Fig. 1 is the explosive view of spark ignition type diesel engine of the present invention；
Fig. 2 is the explosive view of the fueling injection equipment of spark ignition type diesel engine of the present invention；
Fig. 3 is the part drawing of the igniter of spark ignition type diesel engine of the present invention；
In figure：1 be engine body, 2 be cylinder head, 3 in order to control device, 4 be fueling injection equipment, 5 be cylinder temperature sensor, 6
It is heating unit for igniter, 7,8 be spark plug, 9 be ignition coil, 10 be mounting base, 11 be primary fuel injection device, 12 is time
Grade fuel injector, 13 be air passage, 14 be oil canal, 15 be cylinder body.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example cannot be used for limiting the scope of the invention for illustrating the present invention.
Embodiment 1：
Spark ignition type diesel engine of the present invention as shown in Figure 1, Figure 2 and Figure 3, including：Engine body 1, cylinder head 2, control
Device 3 processed, fueling injection equipment 4, cylinder temperature sensor 5, igniter 6, heating unit 7, spark plug 8, ignition coil 9, mounting base 10,
Primary fuel injection device 11, secondary fuel injector 12, air passage 13, oil canal 14 and cylinder body 15；
Cylinder head 2 is fixedly mounted on cylinder 15, is used to form closed engine chamber, in the present invention, is equipped with
According to actual power demand, the design of four combustion chambers or more combustion chambers may be used in two combustion chambers.
Control device 3 is arranged on engine body 1, can directly carry out operation and control；
Fueling injection equipment 4, cylinder temperature sensor 5, igniter 6, heating unit 7 are provided in cylinder head 2；Fueling injection equipment 4 with
Control device 3 is electrically connected, and when fueling injection equipment 4 receives the fuel injection signal of control device 3, diesel oil is sprayed into combustion chamber；Cylinder
Temperature sensor 5 is electrically connected with control device 3, the indoor temperature of the burning of detection detection in real time, and the temperature signal detected is anti-
It feeds control device 3；Heating unit 7 is electrically connected with control device 3, when heating unit 7 receives the heating signal of control device 3
When, heating unit 7 is heated for combustion chamber；Igniter 6 is electrically connected with control device 3, when igniter 6 receives control device
During 3 ignition signal, igniter 6 is the indoor diesel ignition that burns；Heating unit 7 may be provided on 15 inner wall of cylinder body, make
It must heat more directly quick or simple and convenient in order to install, heating unit 7 can be arranged in cylinder head 2.
Igniter 6 includes spark plug 8 and ignition coil 9, and spark plug 8 is electrically connected with ignition coil 9, and ignition coil 9 is used
In providing Current Voltage for spark plug 8, electric ignition is realized；
Primary fuel injection device 11 is connected with secondary fuel injector 12, and is arranged on 10 middle part of mounting base；Secondary fuel injector 12 is used for
The diesel oil sprayed to primary fuel injection device 11 carries out pressurization fill-before-fire, and mounting base 10 is additionally provided with air passage 13 and oil canal 14, uses
Combustion chamber is sprayed into through primary fuel injection device 11 and secondary fuel injector 12 after diesel oil and air are pre-mixed, atomization can be provided
The better diesel oil of effect makes its burning more abundant, improves the whole efficiency of spark ignition type diesel engine of the present invention.
The ignition process of spark ignition type diesel engine of the present invention includes：
Advance warm-up period：When diesel engine is for the first time or cold starts, the Indoor Temperature of detection burning in real time of cylinder temperature sensor 5
It spends and temperature signal is fed back into control device 3, when indoor temperature of burning is less than the preset temperature value of control device 3, control
Device 3 controls heating unit 7 to heat combustion chamber.
Igniting starts:Cylinder temperature sensor 5 detects burning indoor temperature and temperature signal is fed back to control device 3 in real time,
When indoor temperature of burning is not less than the preset temperature value of control device 3, control device 3 controls heating unit 7 to be stopped simultaneously
Engine is started, the upward stop movement compressed gas of crankshaft link rod motion band piston allows temperature to increase again, and control device 3 is controlled
Fueling injection equipment 4 processed sprays high pressure mixing diesel oil into combustion chamber, and mixed diesel heats atomization and decomposes in the combustion chamber, and piston reaches
When determining position, control device 3 controls ignition coil 9 and spark plug 8 to light a fire start power cycle in the combustion chamber.
Warm boot：Stop working under heat engine operating status, when burning indoor temperature also uncolled arrive is preset less than control device 3
Temperature value when, when being again started up engine, control is skipped advance warm-up period by control device 3, is directly entered ignition phase.
Embodiment 2：
A kind of spark ignition type diesel engine proposed by the present invention can also use gasoline driven instead according to specific needs, due to
The burning point of gasoline is compared with diesel oil higher, but easily vaporization, and flammability is good, so after by heating unit 7 for combustion chamber heating, sprays into
Gasoline atomizing after, by absorbing the indoor heat of burning, reach burning point, lighted by igniter 6, realize that gasoline driven is started
The effect of machine, i.e., diesel engine of the invention can also be by gasoline driven.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of spark ignition type diesel engine, which is characterized in that the spark ignition type diesel engine includes：Engine body (1),
Cylinder head (2), control device (3) and cylinder (15)；
The cylinder head (2) is fixedly mounted on the cylinder (15), is used to form closed engine chamber；
Fueling injection equipment (4), cylinder temperature sensor (5), igniter (6) and heating unit (7) are provided on the cylinder head (2)；
The fueling injection equipment (4) is electrically connected with the control device (3), for spraying diesel oil into combustion chamber；The cylinder temperature sensor
(5) it is electrically connected with the control device (3), for detecting indoor temperature of burning, and the temperature signal detected is fed back to
The control device (3)；The igniter (6) is electrically connected with the control device (3), for for the indoor diesel oil point of burning
Fire；The heating unit (7) is electrically connected with the control device (3), for being heated for combustion chamber；
The control device (3) is arranged on the engine body (1), for receiving the cylinder temperature sensor (5) feedback
Temperature signal, the control heating unit (7) they are combustion chamber heating, control the fueling injection equipment (4) into combustion chamber oil spout and
The igniter (6) is controlled as the indoor diesel ignition that burns.
2. spark ignition type diesel engine as described in claim 1, it is characterised in that：The fueling injection equipment (4) is including mounting base
(10), primary fuel injection device (11) and secondary fuel injector (12)；The primary fuel injection device (11) and described secondary fuel injector (12) phase
Even, it and is arranged in the middle part of the mounting base (10)；The secondary fuel injector (12) is for the primary fuel injection device (11) ejection
Diesel oil carry out pressurization fill-before-fire.
3. spark ignition type diesel engine as described in claim 1, it is characterised in that：The igniter (6) is including spark plug
(8) it is electrically connected with ignition coil (9), the spark plug (8) with the ignition coil (9), the ignition coil (9) is for for institute
It states spark plug (8) and Current Voltage is provided, realize electric ignition.
4. spark ignition type diesel engine as described in claim 1, it is characterised in that：The control device (3) is provided with default
Temperature value, when the temperature value that the cylinder temperature sensor (5) measures is less than preset temperature value, the control device (3) controls institute
Heating unit (7) is stated to heat for combustion chamber；When the temperature value that the cylinder temperature sensor (5) measures is not less than preset temperature value,
The control device (3) controls fueling injection equipment (4) oil spout into combustion chamber, and controls the igniter (6) as burning
Indoor diesel ignition.
5. spark ignition type diesel engine as claimed in claim 2, it is characterised in that：The mounting base (10) is additionally provided with ventilation
Road (13) and oil canal (14), for after diesel oil and air are pre-mixed through the primary fuel injection device (11) and the secondary
Fuel injector (12) sprays into combustion chamber.
6. spark ignition type diesel engine as claimed in claim 3, it is characterised in that：Spiral shell is provided in the middle part of the spark plug (8)
Line, for being fixed with the cylinder head (2) by thread fitting.
7. spark ignition type diesel engine as described in claim 1, it is characterised in that：Cylinder temperature sensor (5) the outer layer setting
There is heat-barrier material, for reducing the cylinder head (2) own temperature to the shadow of the cylinder temperature sensor (5) temperature detection result
It rings.
8. spark ignition type diesel engine as described in claim 1, it is characterised in that：The heating unit (7) selects quartz to add
Hot pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008496.5A CN108131194A (en) | 2018-01-04 | 2018-01-04 | A kind of spark ignition type diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008496.5A CN108131194A (en) | 2018-01-04 | 2018-01-04 | A kind of spark ignition type diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131194A true CN108131194A (en) | 2018-06-08 |
Family
ID=62399341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810008496.5A Pending CN108131194A (en) | 2018-01-04 | 2018-01-04 | A kind of spark ignition type diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131194A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375286A (en) * | 1930-11-03 | 1932-06-16 | Hill Diesel Engine Company | Improvements in or relating to internal combustion engines of the liquid fuel injection type |
| JPH06336945A (en) * | 1993-05-28 | 1994-12-06 | Shuji Akiyama | Combustion method in diesel engine |
| CN201141335Y (en) * | 2007-11-12 | 2008-10-29 | 中国北车集团大连机车研究所 | Two-stage lift range oil ejector for high power diesel engine |
| CN104165112A (en) * | 2013-05-16 | 2014-11-26 | 福特环球技术公司 | Enhanced glow plug control |
| CN207795392U (en) * | 2018-01-04 | 2018-08-31 | 浙江派尼尔科技股份有限公司 | A kind of spark ignition type diesel engine |
-
2018
- 2018-01-04 CN CN201810008496.5A patent/CN108131194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375286A (en) * | 1930-11-03 | 1932-06-16 | Hill Diesel Engine Company | Improvements in or relating to internal combustion engines of the liquid fuel injection type |
| JPH06336945A (en) * | 1993-05-28 | 1994-12-06 | Shuji Akiyama | Combustion method in diesel engine |
| CN201141335Y (en) * | 2007-11-12 | 2008-10-29 | 中国北车集团大连机车研究所 | Two-stage lift range oil ejector for high power diesel engine |
| CN104165112A (en) * | 2013-05-16 | 2014-11-26 | 福特环球技术公司 | Enhanced glow plug control |
| CN207795392U (en) * | 2018-01-04 | 2018-08-31 | 浙江派尼尔科技股份有限公司 | A kind of spark ignition type diesel engine |
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