CN106640271B - For the gs-oil separator of engine, control method and vehicle - Google Patents
For the gs-oil separator of engine, control method and vehicle Download PDFInfo
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- CN106640271B CN106640271B CN201510712898.XA CN201510712898A CN106640271B CN 106640271 B CN106640271 B CN 106640271B CN 201510712898 A CN201510712898 A CN 201510712898A CN 106640271 B CN106640271 B CN 106640271B
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- engine
- oil
- valve
- oil separator
- jet hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
Abstract
The present invention relates to engine arts, provide a kind of for the gs-oil separator of engine, control method and vehicle.The gs-oil separator for engine includes the shell with fluid channel and the fluidic plate in the fluid channel, oil collection plate and control valve, the fluid channel includes the air hatch of gas outlet and the crankcase ventilation mouth for connecting the engine, the fluidic plate separates the air hatch and the gas outlet and offers multiple jet holes allowed fluid from, the oil collection plate is located at the side close to the gas outlet of the fluidic plate, and the oil collection plate corresponds to the jet hole and is arranged with the oil in fluid-absorbent, the control valve can control the opening and closing of the jet hole.Technical solution of the present invention can adjust the flow velocity of mixed gas according to the size of piston air leakage, be maintained at gas flow rate in the range of setting, meet the Oil-gas Separation of Different Work Condition of Engine, and promote oil gas separation.
Description
Technical field
The present invention relates to engine art, in particular to it is a kind of for the gs-oil separator of engine, control method and
Vehicle.
Background technique
With the continuous improvement and development of world today's science and technology, the exploitation of new auto technology and renewal speed are increasingly
Fastly, power source of the internal combustion engine as automobile, the innovation of technology for energy conservation, meet consumer demand, mitigation
Environmental pollution is of great importance.
Almost all of internal combustion engine work is compressed after sucking gaseous mixture at present, then lights or compression ignition mixes
Gas can all generate very high pressure, compressed gas from being compressed in burning for gaseous mixture so that piston acting be driven to generate power
Know from experience from the places such as gap of the gap of piston and cylinder body, gap-clearance of piston rings, piston ring and cylinder body and scurries out and enter crankcase, shape
At crankcase gas blowby.As engine operating duration increases, gas blowby can be more and more, in order to not influence engine power and protection
Engine is not damaged, it is necessary to emit gas blowby from crankcase.
And be to meet increasingly strict emission regulation demands, crankcase ventilation system is by without to having, from simple to complex,
Continuous innovation and improvement.There are many kinds of gs-oil separators in the crankcase ventilation system of conventional internal combustion, for example, gear
Board-like, cyclone type, filer element type etc., and it is most commonly seen with cyclone type with baffle-type.
Baffle-type gs-oil separator currently on the market is as shown in Figure 1, air-fuel mixture gas enters oil gas from air inlet 8
In separator, air-flow hits the baffle 7 of gs-oil separator.Oil droplet is adsorbed on baffle 7 during impingement baffles, and gas is from row
Port 9 flows out, to achieve the effect that Oil-gas Separation.The gs-oil separator of such structure in piston air leakage hour, gas
There is preferable oil gas separation, when piston air leakage is big and gas flow rate is high, air-flow is quick in the case that flow velocity is not high
Impingement baffles 7, big oil droplet can be hit to dissipate and be followed by air-flow to flow out from exhaust outlet 9.In addition, when the actual piston leakage of engine
Tolerance is smaller than design value (flow velocity of gas is small), and when machine oil particle diameter be less than 1um when, due to machine oil particle inertia very
Small, machine oil particle can follow air-flow to flow out from exhaust outlet 9 and ideal separating effect is not achieved.Therefore, this baffle-type structure
Specific air leakage and specific machine oil particle can only be separated, and has determined that at the beginning of design and to have separated which speed and diameter
Machine oil particle, and can not be adjusted according to the size of air leakage.
In view of the disadvantages mentioned above of the prior art, it is desirable to provide a kind of novel gs-oil separator for engine.
Summary of the invention
In view of this, the present invention is directed to propose a kind of gs-oil separator for engine, with can be according to blow-by of piston
The size of amount adjusts the flow velocity of mixed gas and promotes oil gas separation.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of gs-oil separator for engine comprising there is the shell of fluid channel and be located at the fluid and lead to
Fluidic plate, oil collection plate and control valve in road, the fluid channel include gas outlet and the crankshaft for connecting the engine
The air hatch of case ventilation opening, the fluidic plate separate the air hatch and the gas outlet and offer multiple allow fluid from
Jet hole, the oil collection plate is located at the side close to the gas outlet of the fluidic plate, and the oil collection plate it is corresponding described in
Jet hole is arranged with the oil in fluid-absorbent, and the control valve can control the opening and closing of the jet hole.
Further, the jet hole is formed as horn-like, and the big opening end of the jet hole is towards the air hatch
The side of side and the small open end of the jet hole towards the gas outlet.
Further, oil absorption material is provided on the oil collection plate.
Further, the control valve includes valve body, the valve block being set to outside the valve body, to be set to the valve intracorporal
Spool and the fluid inlet and fluid outlet being set on the valve body, the fluid inlet is connected to air hatch and the stream
Body outlet is connected to the gas outlet, and the control valve can be according to the pressure difference control of the fluid inlet and the fluid outlet
Make the movement of the spool, the spool is connect with the valve block so that the valve block follows the spool mobile and open or
Person closes the jet hole.
Further, the gs-oil separator for engine further includes being set to the intracorporal inner membrance of the shell, described
A part of shell defines the valve chamber being isolated with the fluid channel with the inner membrance jointly, and the valve body is set to the valve
It is intracavitary.
Compared with the existing technology, the gs-oil separator of the present invention for engine has the advantage that
Fluidic plate separates air hatch and gas outlet and offers multiple in gs-oil separator for engine of the invention
The jet hole allowed fluid from, and by the opening and closing of control valve control jet hole, so as to according to the big of piston air leakage
The flow velocity of small adjustment mixed gas, is maintained at gas flow rate in the range of setting, meets the oil gas point of Different Work Condition of Engine
From, and promote oil gas separation.
Another object of the present invention is to propose a kind of control method of gs-oil separator for engine, with being capable of root
Oil gas separation is promoted according to the flow velocity of the size adjustment mixed gas of piston air leakage.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control method of the gs-oil separator for engine, wherein the gs-oil separator for engine
Control method carried out according to the above-mentioned gs-oil separator for engine, the control valve according to the air hatch with it is described
Pressure differential Δ P between gas outlet controls the opening and closing of the jet hole；As -10KPa≤Δ P≤a, the control valve control one
A jet hole is opened；As a < Δ P < b, the control valve control at least two jet hole is opened；As b≤Δ P
When≤0KPa, the whole jet hole of the control valve control is opened.
Further, -6.5KPa≤a≤- 5.5KPa, -4.5KPa≤b≤- 3.5KPa.
Further, the number of the jet hole is N, N >=3.
The control method of the gs-oil separator for engine is opposite with the above-mentioned gs-oil separator for engine
The advantage possessed by the prior art is identical, and details are not described herein.
Another object of the present invention is to propose a kind of vehicle, the gs-oil separator for being used for engine can be according to piston
The size of air leakage adjusts the flow velocity of mixed gas and promotes oil gas separation.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle, wherein be provided with the above-mentioned gs-oil separator for engine.
Possessed advantage is identical compared with the existing technology with the above-mentioned gs-oil separator for engine for the vehicle,
This is repeated no more.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of existing gs-oil separator；
Fig. 2 is the structural schematic diagram described in one embodiment of the present invention for the gs-oil separator of engine；
Fig. 3 is the structural schematic diagram described in another embodiment of the present invention for the gs-oil separator of engine.
Description of symbols:
1- shell, 11- air hatch, the gas outlet 12-, 2- fluidic plate, 21- jet hole, 3- control valve, 31- valve block, 4- oil-collecting
Plate, 5- inner membrance, 6- valve chamber, 7- baffle, 8- air inlet, 9- exhaust outlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Gs-oil separator for engine of the invention includes having the shell 1 of fluid channel and positioned at fluid channel
Interior fluidic plate 2, oil collection plate 4 and control valve 3, fluid channel include gas outlet 12 and the crankcase ventilation for connecting engine
The air hatch 11 of mouth, fluidic plate 2 separate air hatch 11 and gas outlet 12 and offer multiple jet holes 21 allowed fluid from,
Oil collection plate 4 is located at the side of the close gas outlet 12 of fluidic plate 2, and the corresponding setting of jet hole 21 of oil collection plate 4 is in fluid-absorbent
Oil, control valve 3 can control the opening and closing of jet hole 21.The mixed gas of oil-containing is drawn in crankcase by air hatch 11,
When mixed gas high speed passes through the jet hole 21 in fluidic plate 2 and is injected on oil collection plate 4, the oil of mixed gas is gentle can quilt
It separates, the gas after separation is discharged gs-oil separator by gas outlet 12 through the gap between oil collection plate 4 and shell 1 and enters
Inlet manifold etc..Control valve 3 can control opening for jet hole 21 according to the pressure differential Δ P between air hatch 11 and gas outlet 12
It closes, so as to adjust the flow velocity of mixed gas according to the size of piston air leakage, gas flow rate is made to be maintained at the range of setting
It is interior, meet the Oil-gas Separation of Different Work Condition of Engine, and promote oil gas separation.
Specifically, as shown in Figures 2 and 3, jet hole 21 is formed as horn-like, and the big opening end direction of jet hole 21 takes gas
Mouthfuls 11 side and side of small open end towards the gas outlet 12 of jet hole 21 makes to mix by the shape inside jet hole 21
It closes gas and forms the motor pattern accelerated-at the uniform velocity.Machine oil particle in mixed gas during with gas motion,
Body can also generate relative motion, mutually collided between machine oil particle, in conjunction with and form big machine oil particle, and make machine oil particle
Generate bigger inertia force.When machine oil particle and oil collection plate 4 collide, machine oil particle be attached on oil collection plate 4 and gas through oil-collecting
Gs-oil separator is discharged by gas outlet 12 in gap between plate 4 and shell 1, to achieve the effect that Oil-gas Separation.
Further, it is provided with oil absorption material on oil collection plate 4, when machine oil particle and oil collection plate 4 collide, machine oil particle can quilt
Fully absorb and prevent machine oil particle hit dissipate after taken away again by air-flow, so as to increase oil-gas separation efficiency, after separation
Machine oil particle be discharged by the oil return opening of gs-oil separator, come back to the oil sump of engine.Wherein, oil absorption material can be
Bombax cotton, paper pulp fiber, organic polymer fiber, gel-type and high oil-absorbing resin etc., and organic polymer fiber oil suction
Material mainly includes polypropylene, polyurethane foam, alkyl vinyl polymer etc..
As shown in Fig. 2, control valve 3 can be spring valve in the present embodiment, and distinguish in air hatch 11 and gas outlet 12
It is provided with pressure sensor, control unit calculates between air hatch 11 and gas outlet 12 according to the pressure gauge that pressure sensor obtains
Pressure difference, and control the movement of spring valve, spring valve and then the opening and closing for controlling jet hole 21.Alternatively, control valve 3 may include valve
Body, the valve block 31 being set to outside valve body, the fluid inlet and fluid for being set to the intracorporal spool of valve and being set on valve body go out
Mouthful, fluid inlet is connected to air hatch 11 and is connected to fluid outlet with gas outlet 12, control valve 3 can according to fluid inlet and
The movement of the pressure difference control valve core of fluid outlet, spool is connect with valve block 31 so that valve block 31 follows spool mobile and opens
Or close jet hole 21.
To open up in fluidic plate 2, there are three be specifically described for jet hole 21 below.It is run in small engine load
When, flow velocity of the mixed gas of oil-containing in gs-oil separator is very slow, by control valve 3 by two jet holes in fluidic plate 2
21 close, and mixed gas improves the speed that mixed gas flows through fluidic plate 2 by remaining jet hole 21, increase machine oil
The inertia of grain, can flow away to avoid the small machine oil particle of quality with air-flow, guarantee that machine oil particle can be injected on oil collection plate 4
Carry out Oil-gas Separation.Within the engine when load operation, there is certain increase in when flow velocity of mixed gas relatively small load operation,
Air hatch 11 and the pressure difference of gas outlet 12 change, and control valve 3 can be according to the pressure difference between air hatch 11 and gas outlet 12
A jet hole 21 in fluidic plate 2 is closed in change, and the mixed gas of oil-containing can be penetrated by two in fluidic plate 2 at this time
Discharge orifice 21 is injected on oil collection plate 4 and carries out Oil-gas Separation, to guarantee crankcase pressure within the scope of reasonable.In engine
When large load operation, the flow velocity of the mixed gas of oil-containing relatively in load operation when have certain increase, air hatch 11 and outlet
The pressure difference of mouth 12 changes, and the meeting of control valve 3 will be in fluidic plate 2 according to the change of the pressure difference between air hatch 11 and gas outlet 12
Jet hole 21 it is fully open, the mixed gas of oil-containing can be injected in collection by three jet holes 21 in fluidic plate 2 at this time
Oil-gas Separation is carried out on oiled-plate method 4, to guarantee crankcase pressure within the scope of reasonable.
In another embodiment, as shown in figure 3, the gs-oil separator for engine further includes being set to shell 1
Interior inner membrance 5, a part of shell 1 define the valve chamber 6 being isolated with fluid channel with inner membrance 5 jointly, and valve body is set to valve chamber 6
It is interior.At this point, although valve chamber 6 is isolated with fluid channel, but the structure of control valve 3 and the structure of control valve 3 shown in Fig. 2 are basic
Identical, control valve 3 still can be according to the movement of the pressure difference control valve core between air hatch 11 and gas outlet 12.
Further, the present invention also provides a kind of control methods of gs-oil separator for engine, wherein for sending out
The control method of the gs-oil separator of motivation is carried out according to the above-mentioned gs-oil separator for engine, and control valve 3 is according to taking
The opening and closing of pressure differential Δ P control jet hole 21 between port 11 and gas outlet 12；As -10KPa≤Δ P≤a, control valve 3
A jet hole 21 is controlled to open；As a < Δ P < b, control valve 3 controls at least two jet holes 21 and opens；When b≤Δ P≤
When 0KPa, control valve 3 controls whole jet holes 21 and opens.Wherein, small engine load run when be corresponding with -10KPa≤
Δ P≤a, flow velocity of the mixed gas of oil-containing in gs-oil separator is very slow, and control valve 3 controls the opening of a jet hole 21,
And improve the speed that mixed gas flows through fluidic plate 2.A < Δ P < b, mixed gas are corresponding with when load operation within the engine
Flow velocity relatively small load operation when have certain increase, control valve 3 controls the opening of at least two jet holes 21, to guarantee song
Axle box pressure is within the scope of reasonable.B≤Δ P≤0KPa, the gaseous mixture of oil-containing are corresponding in engine large load operation
The flow velocity of body relatively in load operation when have certain increase, control valve 3 controls whole jet holes 21 and opens, to guarantee crankshaft
Case pressure is within the scope of reasonable.Control valve 3 controls jet hole according to the pressure differential Δ P between air hatch 11 and gas outlet 12
21 opening and closing makes gas flow rate be maintained at setting so as to adjust the flow velocity of mixed gas according to the size of piston air leakage
In the range of, meet the Oil-gas Separation of Different Work Condition of Engine, and promote oil gas separation.
Wherein, as a preferred embodiment, -6.5KPa≤a≤- 5.5KPa, -4.5KPa≤b≤- 3.5KPa.
In addition, the number of jet hole 21 is N, N >=3, in a preferred embodiment, the number of jet hole 21 are three, to fit respectively
Answer the big load, middle load and Smaller load operating status of engine.
In addition, being provided with the above-mentioned gs-oil separator for engine the present invention also provides a kind of control method.Institute
Stating vehicle, possessed advantage is identical compared with the existing technology with the above-mentioned gs-oil separator for engine, no longer superfluous herein
It states.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. being used for the gs-oil separator of engine, which is characterized in that the gs-oil separator for engine includes having stream
The shell (1) in body channel and fluidic plate (2), oil collection plate (4) and control valve (3) in the fluid channel, the stream
Body channel includes the air hatch (11) of gas outlet (12) and the crankcase ventilation mouth for connecting the engine, the fluidic plate
(2) separate the air hatch (11) and the gas outlet (12) and offer multiple jet holes (21) allowed fluid from, institute
State the side close to the gas outlet (12) that oil collection plate (4) are located at the fluidic plate (2), and the corresponding institute of the oil collection plate (4)
It states jet hole (21) to be arranged with the oil in fluid-absorbent, the control valve (3) can control the opening and closing of the jet hole (21)；
Oil absorption material is provided on the oil collection plate (4)；The control valve (3) is located at going out described in for the fluidic plate (2)
The side of port (12)；
The control valve (3) include valve body, the valve block being set to outside the valve body (31), be set to the intracorporal spool of the valve with
And it is set to fluid inlet and fluid outlet on the valve body, the fluid inlet is connected to air hatch (11) and the fluid
Outlet is connected to the gas outlet (12)；
The gs-oil separator for engine further includes the inner membrance (5) being set in the shell (1), the shell (1)
A part define the valve chamber (6) being isolated with the fluid channel jointly with the inner membrance (5), the valve body is set to described
In valve chamber (6).
2. the gs-oil separator according to claim 1 for engine, which is characterized in that the jet hole (21) is in loudspeaker
Shape, the big opening end of the jet hole (21) is towards the side of the air hatch (11) and the small opening of the jet hole (21)
Hold the side towards the gas outlet (12).
3. the gs-oil separator as claimed in any of claims 1 to 2 for engine, which is characterized in that described
Control valve (3) can control the movement of the spool, the valve according to the pressure difference of the fluid inlet and the fluid outlet
Core is connect with the valve block (31) so that the valve block (31) follows the spool mobile and turns on or off the jet stream
Hole (21).
4. the control method of the gs-oil separator for engine, which is characterized in that the gs-oil separator for engine
Control method according to claim 1 described in any one of -3 for engine gs-oil separator carry out, the control
Valve (3) controls opening for jet hole (21) according to the pressure differential Δ P between the air hatch (11) and the gas outlet (12)
It closes；As -10KPa≤Δ P≤a, the control valve (3) controls the jet hole (21) and opens；As a < Δ P < b,
Control valve (3) control at least two jet hole (21) is opened；As b≤Δ P≤0KPa, control valve (3) control
The whole jet hole (21) of system is opened.
5. the control method of the gs-oil separator according to claim 4 for engine, which is characterized in that -6.5KPa
≤ a≤- 5.5KPa, -4.5KPa≤b≤- 3.5KPa.
6. the control method of the gs-oil separator according to claim 4 for engine, which is characterized in that the jet stream
The number in hole (21) is N, N >=3.
7. vehicle, which is characterized in that the vehicle is provided with the oil for being used for engine described in any one of claim 1-3
Gas separating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712898.XA CN106640271B (en) | 2015-10-28 | 2015-10-28 | For the gs-oil separator of engine, control method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712898.XA CN106640271B (en) | 2015-10-28 | 2015-10-28 | For the gs-oil separator of engine, control method and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640271A CN106640271A (en) | 2017-05-10 |
| CN106640271B true CN106640271B (en) | 2019-07-19 |
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ID=58815035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510712898.XA Active CN106640271B (en) | 2015-10-28 | 2015-10-28 | For the gs-oil separator of engine, control method and vehicle |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257958A (en) * | 2005-09-06 | 2008-09-03 | 马勒国际公司 | Device for separating a gas-liquid mixture |
| CN101900011A (en) * | 2010-07-23 | 2010-12-01 | 奇瑞汽车股份有限公司 | Gas and oil separator |
| CN102852593A (en) * | 2012-08-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Oil-gas separator assembly of crankcase ventilation system |
| CN103154450A (en) * | 2010-05-26 | 2013-06-12 | 亨格斯特两合公司 | Pressure control valve of a device for venting the crankcase of an internal combustion engine and device comprising such a pressure control valve |
-
2015
- 2015-10-28 CN CN201510712898.XA patent/CN106640271B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257958A (en) * | 2005-09-06 | 2008-09-03 | 马勒国际公司 | Device for separating a gas-liquid mixture |
| CN103154450A (en) * | 2010-05-26 | 2013-06-12 | 亨格斯特两合公司 | Pressure control valve of a device for venting the crankcase of an internal combustion engine and device comprising such a pressure control valve |
| CN101900011A (en) * | 2010-07-23 | 2010-12-01 | 奇瑞汽车股份有限公司 | Gas and oil separator |
| CN102852593A (en) * | 2012-08-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Oil-gas separator assembly of crankcase ventilation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640271A (en) | 2017-05-10 |
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