CN201546801U - Device for decreasing black smoke discharge of diesel engine - Google Patents
Device for decreasing black smoke discharge of diesel engine Download PDFInfo
- Publication number
- CN201546801U CN201546801U CN2009201978552U CN200920197855U CN201546801U CN 201546801 U CN201546801 U CN 201546801U CN 2009201978552 U CN2009201978552 U CN 2009201978552U CN 200920197855 U CN200920197855 U CN 200920197855U CN 201546801 U CN201546801 U CN 201546801U
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- air inlet
- diesel engine
- engine
- black smoke
- speed
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Abstract
The utility model discloses a device for decreasing the black smoke discharge of a diesel engine. The device comprises a box, wherein the upper and lower ends of the box are respectively provided with a main air inlet passage and an air outlet passage; an auxiliary air inlet passage is arranged on one side of the box; the auxiliary air inlet passage is provided with a fan at an air inlet; and a valve is arranged at the joint of the box and the auxiliary air inlet passage. The utility model can additionally increase the air supply at the starting step of the engine so as to realize the complete combustion and decrease the discharge of the black smoke.
Description
Technical field
The utility model relates to the device that a kind of black diesel smoke is handled, particularly a kind of device that reduces discharge of dark smoke from diesel engine.
Background technique
At present, the air supply process of diesel engine is that air passes through air-strainer, admission line, intake valve, the space of above piston, vacateing in the dependence descent of piston process and the pull of vacuum of generation, make air enter cylinder, the part diesel engine also increases exhaust-gas turbocharger on admission line, the exhaust-driven supercharger that utilizes the motor discharge is to improve suction pressure, further increase amount of supplied air, so during the work of diesel engine after reaching certain rotating speed, combustion ratio is more abundant, is difficult for over-emitting black exhaust.But when diesel engine is in low-speed stage, because the factors such as leakage that pull of vacuum reduces when the throttle effect of intake valve, low speed, exist between piston and the casing wall, cause the supply of air to be less than the needs of motor at this moment easily, make the diesel oil in the cylinder the insufficient situation of burning occur, have many black smokes to discharge in the discharging; Pressurized machine is low because of engine speed this moment, and exhaust energy is little, the corresponding decline of secondary speed, there is not the generation of pressurized effect, and the connection interface of its pump impeller and pipeline may hinder flowing of air inlet air in tube, reduces the air quantity that enters cylinder, makes the black smoke discharge amount of this moment more.
And for part state I, state II class diesel engine, they use mechanical type fuel oil supply system---Injection Pump, oil sprayer is realized, because the speed characteristics of Injection Pump, cause motor to occur the situation of job insecurity easily, to stop working when being low speed, want the driving phenomenon during high speed, need to cooperate speed regulator normally to use, what general diesel engine used is centrifugal governor, the centrifugal elements that it orders about speed regulator inside by engine rotation produces centrifugal force, the fuel feeding pull bar (fuel feeding slip ring) that drives Injection Pump in the equilibrium process between centrifugal force and governor spring moves the increase and decrease that realizes fuel delivery, reaches the purpose of stablizing engine speed.This class diesel engine is for more convenient starting successfully, fuel feeding pull bar (fuel feeding slip ring) is in maximum or big fuel delivery position when starting, so state I, state II class diesel engine can oil inflame occur when starting incomplete, the part fuel oil becomes the phenomenon that black smoke is discharged; In addition, at diesel engine low speed to the high speed conversion stage, promptly be equivalent to equip the starting of the automobile of diesel engine, when quickening, if it is slow that accelerator open degree improves speed, at this moment the hysteresis effect of air supply is not obvious, air supply is basic and oil inflame is in a basic balance, if but the too fast oil mass that motor is increased of operator's service speed increases when too fast, because the hysteresis effect of air supply, when causing amount of supplied air not enough in short-term, promptly form the situation of incomplete combustion, produce black smoke and emit.The discharging of black smoke both befouling environment, strengthen oil consumption, and a tiny black smoke rock very easily sucks by the people, brings out the generation of numerous disease.
The diesel engine that satisfies state I, state II standard at present still is being extensive use of; Exhaust turbine pressuring technology has only solved the black smoke emission problem of diesel engine normal work stage simultaneously, and in the starting of engine start stage, diesel engine, the situation of boost phase good solution is not arranged as yet.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of device that reduces discharge of dark smoke from diesel engine, in the extra amount of supplied air that strengthens of the starting stage of diesel engine starting, diesel engine, realize the perfect combustion on the higher degree, reduce the black smoke discharging to reach.
The utility model technological scheme that adopts of dealing with problems is: a kind of device that reduces discharge of dark smoke from diesel engine, comprise casing, described casing upper and lower end is respectively equipped with main gas-entered passageway and outlet passageway, described casing one side is provided with auxiliary air inlet channel, described auxiliary air inlet channel is provided with blower fan at suction port, is being provided with valve with the casing jointing place.
The utility model is connected in the air inlet pipeline of motor.The power supply of blower fan of the present invention is provided by the diesel engine power supply, blower fan work can manually be controlled, also can control automatically, hand control switch can be installed on the driver's operation panel, the position of easy-to-operat, whether handles blower fan work by the driver according to the working condition of motor, automobile; Automatically control is about to the control of switch by Comprehensive Control such as engine speed, ignition switches, be equivalent to an automatic control relay, it after connecting ignition switch, be in on-state when rotating speed is lower than a certain setting value, it is blower fan work air-supply, after rotating speed reaches setting value, the out-of-blast work of blower fan, ignition switch is closed rear fan and is also quit work.This speed setting value reaches the corresponding rotating speed of normally doing the time spent according to exhaust-gas turbocharger and determines.
The beneficial effects of the utility model are: after adopting the present invention, can be at the starting of diesel engine starting period or diesel engine, boost phase by the extra amount of supplied air that increases, the proportionate relationship of improvement diesel combustion this moment oil and air, realize the more fully burning of engine air internal combustion oil of cylinder, reduce the black smoke discharge amount, and because the abundant burning of fuel oil, the part degree reduces the consumption of fuel oil.The present invention only works when starting, low speed, stops during high speed, can not form the extra power reguirements to motor or automobile power source.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Sectional view when Fig. 2 closes for valve auxiliary air inlet channel in the utility model.
Sectional view when Fig. 3 opens for valve auxiliary air inlet channel in the utility model.
Below in conjunction with accompanying drawing the utility model is described further:
Embodiment
Embodiment 1: shown in each figure, embodiment comprises casing, be respectively equipped with main gas-entered passageway 1 and outlet passageway 2 at the casing upper and lower end, be provided with auxiliary air inlet channel 3 on the right side of casing, suction port at auxiliary air inlet channel 3 is provided with blower fan 4, and the power lead on the blower fan 4 is linked to each other with automatic control relay, and automatic control relay is connected with the power supply of diesel car again, be provided with valve 5 in auxiliary air inlet channel 3 and casing jointing place, be used to control opening or closing of auxiliary air inlet channel 3.
In the practical application, disconnect the former suction tude of diesel automobile engine, main gas-entered passageway 1 of the present utility model is connected with the end of the suction tude that disconnects near exhaust-gas turbocharger, outlet passageway 2 is connected with close intake manifold one end of the suction tude that disconnects, link to each other with an automatic control relay by two power lines of drawing through control switch in the diesel car power-supply system again, the automatic control relay engine speed is set to per minute 1000 changes, and automatic control relay is connected with the power lead of blower fan 4 again.After the utility model installs, pilot engine, because rotating speed is lower during engine start, blower fan 4 just carries out work, valve is pushed into closes main gas-entered passageway 1 position, air then enters from auxiliary air inlet channel 3, because the existence of blower fan has strengthened amount of supplied air, help motor to realize burning comparatively fully, effectively reduce the black smoke discharging; And improve but still during at low speed relatively when engine speed, this moment, exhaust-gas turbocharger was worked, but acted on limitedly, and the gas pressure in the main gas-entered passageway 1 before increases, this moment, 5 on valve was pushed a part open, and at this moment main gas-entered passageway 1 and auxiliary inlet 3 are simultaneously to the motor air feed.When engine speed continues to raise, valve 5 promptly rotates to auxiliary air inlet channel 3 directions under the automatic control relay effect, when engine speed reached per minute 1000 and changes above, auxiliary inlet 3 was closed fully, and then the power supply of blower fan 4 quits work after closing automatically; When motor slows down in because of the way or idling when waiting, auxiliary system is started working again under automatic switch control, has promptly realized tick-over, stops at a high speed.
Embodiment 2: the automatic control relay of blower fan 4 is replaced with hand control switch, and hand control switch is arranged on driver's the operation panel, is connected with the diesel car power-supply system.Other is identical with embodiment 1.
In the practical application, at first the utility model is connected in the air inlet pipeline of diesel automobile engine, by the driver according to motor, the concrete working condition of diesel car, in engine start, the diesel car starting, boost phase is in conducting with hand control switch, make the accessory fan running, the amount of supplied air of motor when increasing these work in stages, reach the more clean-burning effect that realizes cylinder combustion oil, and at motor, the diesel car normal work period is then closed hand control switch, valve 5 is closed auxiliary air inlet channel 3 fully, accessory fan is quit work.
Claims (1)
1. device that reduces discharge of dark smoke from diesel engine, comprise casing, it is characterized in that: described casing upper and lower end is respectively equipped with main gas-entered passageway (1) and outlet passageway (2), described casing one side is provided with auxiliary air inlet channel (3), described auxiliary air inlet channel (3) is provided with blower fan (4) at suction port, is being provided with valve (5) with the casing jointing place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201978552U CN201546801U (en) | 2009-09-28 | 2009-09-28 | Device for decreasing black smoke discharge of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201978552U CN201546801U (en) | 2009-09-28 | 2009-09-28 | Device for decreasing black smoke discharge of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546801U true CN201546801U (en) | 2010-08-11 |
Family
ID=42601971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201978552U Expired - Fee Related CN201546801U (en) | 2009-09-28 | 2009-09-28 | Device for decreasing black smoke discharge of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392767A (en) * | 2011-10-11 | 2012-03-28 | 尚玉东 | Pressurizing dust remover of gasoline engine |
| WO2016107469A1 (en) * | 2014-12-31 | 2016-07-07 | 上海擎掣汽车电子有限公司 | Engine and air inlet system thereof |
-
2009
- 2009-09-28 CN CN2009201978552U patent/CN201546801U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392767A (en) * | 2011-10-11 | 2012-03-28 | 尚玉东 | Pressurizing dust remover of gasoline engine |
| WO2016107469A1 (en) * | 2014-12-31 | 2016-07-07 | 上海擎掣汽车电子有限公司 | Engine and air inlet system thereof |
| US11098682B2 (en) | 2014-12-31 | 2021-08-24 | Shanghai Qingche Automotive Engineering Co., Ltd | Engine and intake system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20110928 |