CN207795392U - A kind of spark ignition type diesel engine - Google Patents
A kind of spark ignition type diesel engine Download PDFInfo
- Publication number
- CN207795392U CN207795392U CN201820012389.5U CN201820012389U CN207795392U CN 207795392 U CN207795392 U CN 207795392U CN 201820012389 U CN201820012389 U CN 201820012389U CN 207795392 U CN207795392 U CN 207795392U
- 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.)
- Active
Links
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The utility model 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 device 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 being the indoor diesel ignition that burns；Heating device 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 utility model is related 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 in-cylinder pressure is high to the high diesel oil burning point of organism material intensity requirement greatly, 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 is installed in the gear chamber of motivation ontology, bell housing is installed on the right side of diesel engine block, 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, causes diesel engine volume to increase, diesel engine cylinder internal pressure
Power increases, and diesel engine starts difficulty and increases.
Utility model content
One, technical problems to be solved
The utility model solves diesel engine volume in the prior art for the drawbacks described above present in the prior art
Greatly, start and require high and require the engine body strength of materials high problem.
Two, technical solution
In order to solve the above technical problems, the utility model provides a kind of spark ignition type diesel engine, including：Engine machine
Body, cylinder head, 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 device are provided in cylinder head；Fueling injection equipment is filled with control
Electrical connection is set, 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 being combustion chamber
Interior diesel ignition；Heating device is electrically connected with control device, for being heated for combustion chamber；By the way that heating device is arranged, with drop
The difficulty that low diesel oil is lighted；
Control device is arranged on engine body, temperature signal, control heating for receiving cylinder temperature sensor feedback
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 device processed heats 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 it is the indoor diesel ignition that burns to control igniter；To ensure combustion
Indoor temperature is burnt, the temperature that diesel oil is lighted is reached, 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, keep its burning more abundant, improve this
The whole efficiency of utility model spark ignition type diesel engine.
Wherein, it is provided with screw thread in the middle part of spark plug, for being fixed by screw-thread fit with cylinder head so that assemble up letter
Folk prescription just, while playing 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 device selects quartz heating stick.
Three, advantageous effect
Compared with prior art, a kind of spark ignition type diesel engine provided by the utility model, by the way that heating device is arranged
And cylinder temperature sensor so that the temperature of diesel engine combustion chamber can reach the temperature lighted suitable for diesel oil；By being arranged just
Grade fuel injector and secondary fuel injector, improve pressure when diesel oil sprays into combustion chamber, reduce the difficulty that diesel oil is lighted；To make
The diesel oil in diesel engine is obtained by lighting burning, without by pressure combustion, alleviating the weight of diesel engine, carrying
The high power to weight ratio of diesel engine, reduces the requirement to the diesel engine body strength of materials, reduces diesel engine
Startup difficulty, efficiency of combustion is more preferable, more economical.
Description of the drawings
Fig. 1 is the explosive view of the utility model spark ignition type diesel engine；
Fig. 2 is the explosive view of the fueling injection equipment of the utility model spark ignition type diesel engine；
Fig. 3 is the part drawing of the igniter of the utility model spark ignition type diesel engine；
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 device 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 implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment cannot be used for limiting the scope of the utility model for illustrating the utility model.
Embodiment 1：
The utility model spark ignition type diesel engine is as shown in Figure 1, Figure 2 and Figure 3, including：Engine body 1, cylinder head
2, control device 3, fueling injection equipment 4, cylinder temperature sensor 5, igniter 6, heating device 7, spark plug 8, ignition coil 9, installation
Seat 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,
If the design of four combustion chambers or more combustion chambers may be used according to actual power demand there are two combustion chamber.
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 device 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 device 7 is electrically connected with control device 3, when heating device 7 receives the heating signal of control device 3
When, heating device 7 heats for combustion chamber；Igniter 6 is electrically connected with control device 3, when igniter 6 receives control device
When 3 ignition signal, igniter 6 is the indoor diesel ignition that burns；Heating device 7 may be provided on 15 inner wall of cylinder body, make
It must heat more directly quickly, or simple and convenient in order to install, heating device 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 at 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 being pre-mixed diesel oil and air, atomization can be provided
The better diesel oil of effect keeps its burning more abundant, improves the whole efficiency of the utility model spark ignition type diesel engine.
The ignition process of the utility model spark ignition type diesel engine includes：
Advance warm-up period：When diesel engine is first 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 device 7 and is heated to 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 device 7 and is 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 lights a fire start power cycle in the combustion chamber.
Warm boot：Stop working under heat engine operating status, when burning indoor temperature is also uncolled to default 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：
The utility model proposes a kind of spark ignition type diesel engine can also use gasoline driven instead according to specific needs,
Since the burning point of gasoline is compared with diesel oil higher, but easily vaporization, flammability is good, so after by heating device 7 for combustion chamber heating,
After the gasoline atomizing of penetrating, by absorbing the indoor heat that burns, reaches burning point, lighted by igniter 6, realize gasoline driven
The effect of engine, the i.e. diesel engine of the utility model can also be by gasoline drivens.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
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 device (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 being the indoor diesel oil point that burns
Fire；The heating device (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 device (7) they are combustion chamber heating, the oil spout that controls the fueling injection equipment (4) into combustion chamber and
It is the indoor diesel ignition that burns to control the igniter (6).
2. spark ignition type diesel engine as described in claim 1, it is characterised in that：The fueling injection equipment (4) includes 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, and it is arranged in the middle part of the mounting base (10)；The secondary fuel injector (12) is used to spray the primary fuel injection device (11)
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) includes spark plug
(8) it is electrically connected with the ignition coil (9) with ignition coil (9), the spark plug (8), the ignition coil (9) is used for as 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 device (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 it is burning to control the igniter (6)
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：It is provided with spiral shell in the middle part of the spark plug (8)
Line, for being fixed by screw-thread fit with the cylinder head (2).
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 device (7) selects quartz to add
Hot pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012389.5U CN207795392U (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 |
|---|---|---|---|
| CN201820012389.5U CN207795392U (en) | 2018-01-04 | 2018-01-04 | A kind of spark ignition type diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795392U true CN207795392U (en) | 2018-08-31 |
Family
ID=63277569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820012389.5U Active CN207795392U (en) | 2018-01-04 | 2018-01-04 | A kind of spark ignition type diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131194A (en) * | 2018-01-04 | 2018-06-08 | 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 CN201820012389.5U patent/CN207795392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131194A (en) * | 2018-01-04 | 2018-06-08 | 浙江派尼尔科技股份有限公司 | A kind of spark ignition type diesel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2387372B1 (en) | INTERNAL COMBUSTION ENGINE THAT USES FOR ITS OPERATION ALTERNATIVE FUELS | |
| CN1078928C (en) | Charge conditioning system for enabling cold starting and running of spark-ignited, diesel piston engines | |
| CN105781799B (en) | The gas supply and igniter of gas engine | |
| AU653129B2 (en) | Method of combustion for dual fuel engine | |
| CN110168825A (en) | Spark plug with shuttle moving electrode | |
| CN103732904A (en) | Method for supercritical diesel combustion | |
| CN208950706U (en) | A kind of two-stroke Double-cylinder piston type heavy oil aero-engine | |
| US6449940B2 (en) | Internal combustion engine | |
| CN207795392U (en) | A kind of spark ignition type diesel engine | |
| CN102102616A (en) | Glow plug engine | |
| RU2006146518A (en) | INTERNAL COMBUSTION ENGINE AND METHOD FOR COMBUSING FUEL IN THE INTERNAL COMBUSTION ENGINE | |
| JPS5835272A (en) | Internal-combustion engine | |
| US5570667A (en) | Internal combustion engine low temperature starting system | |
| CN116771486A (en) | Pre-combustion chamber igniter, methanol engine and cold start control method thereof | |
| CN108131194A (en) | A kind of spark ignition type diesel engine | |
| US4040393A (en) | Ignited internal combustion engine operated with charge stratification | |
| CN202551978U (en) | Mist sprayer | |
| US20210131336A1 (en) | Systems, apparatus, and methods for increasing combustion temperature of fuel-air mixtures in internal combustion engines | |
| CN103277200A (en) | Combustion method of ethanol-diesel double direct injection engine | |
| JP5555030B2 (en) | Engine and spark plug provided therein | |
| JP2008546953A (en) | Combustion engine | |
| CN212081300U (en) | Gasification combustion device | |
| RU2416726C1 (en) | Rotary engine | |
| RU2123121C1 (en) | Method of operation of internal combustion engine | |
| US3989014A (en) | Ignited internal combustion engine operated with charge stratification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |