CN204755147U - Optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying - Google Patents
Optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying Download PDFInfo
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- CN204755147U CN204755147U CN201520305818.4U CN201520305818U CN204755147U CN 204755147 U CN204755147 U CN 204755147U CN 201520305818 U CN201520305818 U CN 201520305818U CN 204755147 U CN204755147 U CN 204755147U
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- Prior art keywords
- combustion engine
- internal
- oil nozzle
- switch
- heat exchanger
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 24
- 238000009835 boiling Methods 0.000 title claims abstract description 19
- 238000005507 spraying Methods 0.000 title abstract 4
- 239000010705 motor oil Substances 0.000 title abstract 3
- 238000005457 optimization Methods 0.000 title abstract 3
- 239000000446 fuel Substances 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 15
- 230000000452 restraining effect Effects 0.000 claims description 13
- 210000003205 muscle Anatomy 0.000 claims description 11
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 38
- 239000000295 fuel oil Substances 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses an optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying, its technical essential includes the fuel sprayer body, be equipped with heat exchanger and switch on the fuel sprayer body, the one end of switch is connected with the power, heat exchanger connects the other end at the switch, heat exchanger's earthing terminal ground connection, the utility model discloses an optimization based on dodging the anxious internal -combustion engine oil spout system of spraying of boiing improves, through improving the temperature of fuel in the nozzle, increases the interior liquid fuel's of nozzle bubble concentration to the target of anxious boiling spraying realizes dodging.
Description
Technical field
The utility model relates to a kind of internal-combustion engine injection system, particularly relates to kind of an a kind of Optimal improvements structure of the internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle.
Background technique
In order to improve the efficiency of internal combustion engine, such as improve firing chamber geometrical construction, optimize fuel oil supply system, explore new combustion mode etc., wherein, improve the area of contact that atomization characteristics can increase fuel oil and air, reaching the fuel oil in cylinder and quick, the mixed uniformly object of air, is the effective means realizing internal-combustion engine high efficiency, low emission work.
Fuel pressure is reduced to below saturation pressure, have bubble formation, and when this gas-liquid two-phase fluid enters low-pressure combustion room environmental from nozzle ejection, a large amount of bubble can produce thereupon, and constantly grow up, and cause bursting and produce the anxious Boiling Fuel Injection Spray phenomenon of sudden strain of a muscle, the pressure swirl nozzle of present appearance improves atomizing effect to a certain extent, on the theoretical foundation by being based upon the flowing of Two-Phase Flow Field three-dimensional rotation, improve atomizing effect, but and consider not enough for the extraneous factor affecting atomization characteristics, the change of such as temperature, cause the instability of atomization characteristics, thus be unfavorable for mixing of fuel and air, the efficiency of internal combustion engine is caused to improve little.
Model utility content
The purpose of this utility model is to solve: avoid fuel in heating process, make volatile components evaporate in advance.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of Optimal improvements structure of the internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle, comprise oil nozzle body, described oil nozzle body is provided with heat exchanger and switch, one end of described switch is connected with power supply, described heat exchanger is connected to the other end of switch, the grounding end ground connection of described heat exchanger.
By adopting technique scheme, oil nozzle is provided with heat exchanger, by power supply, heat exchanger is heated fast, fuel oil temperature is increased, thus makes fuel occur to dodge anxious boiling, after fuel occurs to dodge anxious boiling, the radius of sub-drop is before blast, this will contribute to fuel good atomization within the engine, thus improves combustion efficiency, reduces pollutant emission.
As preferably, cavity is provided with in described oil nozzle body, spring and needle-valve is provided with in described cavity, also restraining groove is provided with in described oil nozzle, described restraining groove and cavity connects, one end of described spring is connected with restraining groove, and the other end is connected with needle-valve, the end diameter of described needle-valve is greater than the aperture of restraining groove, and is less than the aperture of cavity.
By adopting technique scheme, time fuel-displaced, needle-valve moving, overcoming spring force, needle-valve is opened, oil nozzle oil spout, after end of injection, under spring force, needle-valve is in closed condition, and more simple when making to control oil nozzle oil spout, structure is simpler
As preferably, described oil nozzle body is also provided with electronic control unit, ECU pulse switch and electromagnetic coil, described electronic control unit opens and closes for control ECU pulse switch, and described ECU pulse switch is connected for controlling electromagnetic coil with electromagnetic coil.
By adopting technique scheme, when oil sprayer needs to open oil spout, electronic control unit ECU pulse switch is opened, electromagnetic coil works, needle-valve moves, overcomes spring force, needle-valve is opened, oil nozzle oil spout, after end of injection, under spring force, needle-valve is in closed condition, more simple when making to control oil nozzle oil spout, structure is simpler.
As preferably, the two ends of described oil nozzle body are equipped with seal ring, and the two ends of described oil nozzle body are provided with the limiting stopper for placing seal ring.
By adopting technique scheme, when installation oil nozzle, the phenomenon of oil nozzle generation leakage of oil can be prevented, by coordinating of seal ring and limiting stopper, oil nozzle is connected with distributor tightr.
As preferably, described heat exchanger is built-in.
By adopting technique scheme, heat exchanger is arranged on the inside of oil nozzle, can play the object of protection heat exchanger, also can play simultaneously and heat fuel oil faster, thus can improve the efficiency to fuel Heating.
The beneficial effects of the utility model are: due to oil nozzle adding heating equipment, fuel oil temperature is increased, droplet ratio obviously increases, when temperature is increased to 90 ° by 27 °, Sauter mean diameter probability peak is reduced to about 15mm by 20mm, and peak value is higher, therefore fuel oil temperature increases, significantly improve the spray characteristics of fuel oil, facilitate spray atomization effect, make fuel distribution more even, thus improve the combustion performance of motor, improve the efficiency of internal combustion engine, reduce pollutant emission.
After dodging anxious boiling generation, the radius of sub-drop is before blast, this will contribute to fuel good atomization within the engine, thus raising combustion efficiency, reduce pollutant emission, although the final explosion of oil droplet is in the indoor generation of low-pressure combustion, but liquid fuel is only the key point of dodging anxious Boiling Fuel Injection Spray and occurring in the gasification of injector interior, by improving the temperature of fuel in nozzle, increase the bubble concentration of liquid fuel in nozzle, thus realize the target of dodging anxious Boiling Fuel Injection Spray.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle of the utility model;
Fig. 2 is the utility model system architecture diagram.
In figure: 1, oil nozzle body; 2, heat exchanger; 3, switch; 4, power supply; 5, cavity; 6, spring; 7, needle-valve; 8, restraining groove; 9, electronic control unit; 10, ECU pulse switch; 11, electromagnetic coil; 12, seal ring; 13, limiting stopper.
Embodiment
Shown in Fig. 2, the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle that present case is implemented, comprise oil nozzle body 1, described oil nozzle body 1 is provided with heat exchanger 2 and switch 3, one end of described switch 3 is connected with power supply 4, described heat exchanger 2 is connected to the other end of switch 3, the grounding end ground connection of described heat exchanger 2, cavity 5 is provided with in described oil nozzle body 1, spring 6 and needle-valve 7 is provided with in described cavity 5, restraining groove 8 is also provided with in described oil nozzle, described restraining groove 8 is communicated with cavity 5, one end of described spring 6 is connected with restraining groove 8, the other end is connected with needle-valve 7, the end diameter of described needle-valve 7 is greater than the aperture of restraining groove 8, and be less than the aperture of cavity 5, described oil nozzle body 1 is also provided with electronic control unit 9, ECU pulse switch 10 and electromagnetic coil 11, described electronic control unit 9 opens and closes for control ECU pulse switch 10, described ECU pulse switch 10 is connected with electromagnetic coil 11 for controlling electromagnetic coil 11, the two ends of described oil nozzle body 1 are equipped with seal ring 12, the two ends of described oil nozzle body 1 are provided with the limiting stopper 13 for placing seal ring 12, described heat exchanger 2 is built-in.
The negative pole end ground connection of power supply 4, the positive terminal of power supply 4 is connected with one end of switch 3, and the other end on switch 3 is connected with the terminal of heat exchanger 2, the grounding end ground connection on heat exchanger 2, and electronic control unit 9 is used for control ECU pulse switch 10 and opens and closes.
After ignition key is opened, switch 3 is connected, and supply 12V voltage, powers to heat exchanger 2; Electronic control unit 9 control ECU pulse switch 10 opens and closes, and when oil sprayer needs to open oil spout, electronic control unit 9ECU pulse switch 10 is opened, electromagnetic coil 11 works, needle-valve 7 moves, and overcome spring 6 power, needle-valve 7 is opened, oil nozzle oil spout, the time that each ECU controls pulse switch 10 oil nozzle electromagnetic wire processed magnetic flux electricity is called as fuel injection pulsewidth, is within the scope of 2 ~ 10ms, after end of injection, under the effect of spring 6 power, needle-valve 7 is in closed condition.
Above-described embodiment is one of the present utility model preferably scheme, not does any pro forma restriction to the utility model, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (5)
1. the Optimal improvements structure based on the internal-combustion engine injection system of the anxious Boiling Fuel Injection Spray of sudden strain of a muscle, comprise oil nozzle body, it is characterized in that: described oil nozzle body is provided with heat exchanger and switch, one end of described switch is connected with power supply, described heat exchanger is connected to the other end of switch, the grounding end ground connection of described heat exchanger.
2. the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle according to claim 1, it is characterized in that: in described oil nozzle body, be provided with cavity, spring and needle-valve is provided with in described cavity, also restraining groove is provided with in described oil nozzle, described restraining groove and cavity connects, one end of described spring is connected with restraining groove, and the other end is connected with needle-valve, the end diameter of described needle-valve is greater than the aperture of restraining groove, and is less than the aperture of cavity.
3. the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle according to claim 1, it is characterized in that: described oil nozzle body is also provided with electronic control unit, ECU pulse switch and electromagnetic coil, described electronic control unit opens and closes for control ECU pulse switch, and described ECU pulse switch is connected for controlling electromagnetic coil with electromagnetic coil.
4. the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle according to claim 1, it is characterized in that: the two ends of described oil nozzle body are equipped with seal ring, the two ends of described oil nozzle body are provided with the limiting stopper for placing seal ring.
5. the Optimal improvements structure of a kind of internal-combustion engine injection system based on the anxious Boiling Fuel Injection Spray of sudden strain of a muscle according to claim 1, is characterized in that: described heat exchanger is built-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305818.4U CN204755147U (en) | 2015-05-12 | 2015-05-12 | Optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305818.4U CN204755147U (en) | 2015-05-12 | 2015-05-12 | Optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying |
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| Publication Number | Publication Date |
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| CN204755147U true CN204755147U (en) | 2015-11-11 |
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| CN201520305818.4U Expired - Fee Related CN204755147U (en) | 2015-05-12 | 2015-05-12 | Optimization of internal -combustion engine oil spout system improves structure based on dodge anxious boiling spraying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879254A (en) * | 2015-05-12 | 2015-09-02 | 浙江工业大学 | Optimization and improvement of fuel injection system of internal combustion engine based on flash boiling spray |
-
2015
- 2015-05-12 CN CN201520305818.4U patent/CN204755147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879254A (en) * | 2015-05-12 | 2015-09-02 | 浙江工业大学 | Optimization and improvement of fuel injection system of internal combustion engine based on flash boiling spray |
| CN104879254B (en) * | 2015-05-12 | 2019-01-08 | 浙江工业大学 | A kind of Optimal improvements based on the internal combustion engine fuel injection system for dodging anxious Boiling Fuel Injection Spray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190512 |