CN109236416A - A kind of iris type voltage adaptive controlling oil-gas separating device of engine - Google Patents
A kind of iris type voltage adaptive controlling oil-gas separating device of engine Download PDFInfo
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- CN109236416A CN109236416A CN201811075065.7A CN201811075065A CN109236416A CN 109236416 A CN109236416 A CN 109236416A CN 201811075065 A CN201811075065 A CN 201811075065A CN 109236416 A CN109236416 A CN 109236416A
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- filter
- oil
- gas
- separating device
- baffle
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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
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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
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
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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
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
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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
- F01M2013/0488—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase
- F01M2013/0494—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase using check valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of iris type voltage adaptive controlling oil-gas separating device of engine, pre-separate device and primary separating device including mounting groove in valve mechanism cover is arranged in, the mounting groove offers air inlet, the primary separating device is made of at least two partitions, the valve mechanism cover is additionally provided with gas vent, the valve mechanism cover, pre-separate device and primary separating device combine to form gas channel, the pre-separate device includes: to be arranged in parallel in crude separation device and thin separator on bottom plate, the thin separator is located at crude separation device rear, the gas vent is arranged at thin separator rear；The iris type voltage adaptive controlling oil-gas separating device of engine can carry out secondary acceleration to gas mixture, separate larger oil droplet and small oil droplet respectively and flowed out by oil back chamber, separative efficiency is high；In addition, also having achieved the effect that automatic adjusument pre-separate device internal pressure by the way that check valve is arranged.
Description
Technical field
The invention belongs to Oil-gas Separation technical fields, and in particular to a kind of iris type voltage adaptive controlling engine oil gas separation
Device.
Background technique
The high-temperature fuel gas that engine generates at work can be scurried into crankcase by the gap between piston group and cylinder,
Cause gas blowby.The ingredient of gas blowby is unburned fuel vapor, vapor and exhaust gas etc..Water vapor condensation dilutes machine in machine oil
Oil reduces the service performance of machine oil；Sulfur dioxide in exhaust gas encounters air oxidation and generates sulfuric acid, and the oxidation of machine oil is accelerated to become
Matter will lead to the corrosion and accelerated wear test of engine part；Gas blowby can also make the hypertonia of crankcase and destroy crankcase
Sealing, is lost engine oil leakage；Accelerate the aging of machine oil, reduces reliability.Therefore, it is necessary to using crankcase ventilation system to altering
Gas is controlled.Gas blowby can carry a large amount of oil gas, machine oil is caused to be lost, deteriorate simultaneously when flowing through crankcase ventilation system
Discharge, it is therefore necessary to oil gas be separated, machine oil loss is reduced.By gs-oil separator being integrated in valve mechanism cover come to hair
The oil gas that motivation excludes is separated, and traditional valve mechanism cover can only carry out single separation, and effect can not reach expected.
Such as a kind of Chinese utility model patent " valve mechanism cover " of Publication No. CN205559013U, including valve mechanism cover sheet
Body, cylinder head cover body inside are formed with oil gas pre-separation chamber, and the oil gas pre-separation chamber is equipped with pre-separation air inlet and in advance
Gas outlet is separated, is successively arranged from the pre-separation air inlet to the pre-separation gas outlet along vertical in oil gas pre-separation room
The spaced multiple lateral partitions in direction and in the horizontal direction be in the spaced multiple longitudinal baffles of labyrinth type, lateral partitions
The mazy gas channel for being connected to pre-separation air inlet and pre-separation gas outlet is formed between longitudinal baffle, and in cylinder head
Cover lateral wall is integrated with gs-oil separator.By the above content it can be found that valve mechanism cover oil gas pre-separation in the prior art
Core is the mazy gas channel formed between lateral partitions and longitudinal baffle, but its single layer structure Oil-gas Separation ability
Difference can not separate fine oil droplets, and when having in separator pressure-difference fluctuation, not can guarantee the stability of flow velocity.
It is interior such as the Chinese invention patent application " oil and gas separating system built in valve mechanism cover " of Publication No. CN108049937A
Set gs-oil separator, comprising: housing ontology and the labyrinth cavity and bottom cover that the housing ontology side is set, the labyrinth chamber
One end of body is provided with the outgoing gas connection tube extended to outside housing, and top offers respirator socket；It is equipped in the labyrinth chamber body
Coarse filtration orifice plate, winding type rectifier structure, refined filtration orifice plate and every position plate.By the above content it can be found that cylinder in the prior art
Housing oil-gas pre-separation device is equipped with coarse filtration orifice plate and winding type rectifier structure, can be used for Oil-gas Separation, but super large oil droplet
The oil droplet of 10um (diameter be greater than) is easy to mix with larger oil droplet (referring to that droplet diameter is 2~10um), and do not have oil droplet absorption with
Diversion effect, the droplet diameter that will lead into refined filtration orifice plate is still very big, (refers to that droplet diameter is 0.1 for handling small oil droplet
~2um) there is very big influence；Winding type rectifier structure disclosed in the prior art can not solve gas mixture and touch at a high speed
Oil droplet second-time breakage (collision is splashed) problem generated when hitting, oil droplet can not adsorb back after flowing through collision winding type rectifier structure
It receives, can still be exported as gas mixture flows to, separative efficiency is low.
Summary of the invention
It is an object of the invention to overcome the defect of the above-mentioned prior art, a kind of new partition gas drive formula engine oil is provided
Air separation can be classified separation super large oil droplet, larger oil droplet and fine oil droplets, and separative efficiency is high, moreover it is possible to solve oil droplet
The problem of adsorption recovery and collision are splashed also does not need periodic maintenance replacement filter core；Additionally it is possible to according in separator
Portion's pressure, self adaptive control flow velocity promote separative efficiency, are able to satisfy six engine calls of state.
The purpose of the present invention is what is be achieved through the following technical solutions:
The present invention provides a kind of iris type voltage adaptive controlling oil-gas separating device of engine, comprising: is mounted on cylinder head
The pre-separate device and primary separating device of mounting groove, the mounting groove are offered for receiving gas mixture in crankcase in covering
Air inlet, the valve mechanism cover be additionally provided with for after separating exhaust gas discharge gas vent, the primary separating device is by extremely
Few two partitions composition, the bending channel being made of the partition have preferable effect, the gas for separation super large oil droplet
Cylinder head cover, pre-separate device and primary separating device combine to form gas channel；The pre-separate device includes: to be arranged in parallel in bottom
The crude separation of the first filter opening plate and the first filter baffle, the first oil back chamber on bottom plate and the composition of the first oil return pipe under it on plate
Device, the crude separation device are located at primary separating device rear, accelerate collision further separation for carrying out to gas mixture
Larger oil droplet；Second filter opening plate, filter core and the second filter baffle, the second oil back chamber on bottom plate and the second oil return pipe under it and
The thin separator of check valve composition on second filter opening plate is set, the thin separator is located at crude separation device rear,
Small oil droplet is further separated for again speed up colliding to gas mixture, the gas vent is arranged after thin separator
Side, the gas vent are used to that the exhaust gas after separation to be discharged；Due to the setting of check valve, when air pressure inside is smaller, check valve is not led
Logical, air pressure inside guarantee separating effect is alleviated in check valve conducting when air pressure inside is excessive, so that pre-separate device is with adaptive
The characteristic of pressure regulation.
The coarse filtration hole for being accelerated to gas mixture is provided on the first filter opening plate in the crude separation device,
In one embodiment, it is provided on the first filter baffle and filters rib for the one of water conservancy diversion oil droplet to the first oil back chamber, again
In one embodiment, the needle-shaped lug boss for increasing oil gas making contact area is provided on the first filter baffle, it is described
Needle-shaped lug boss can effectively prevent oil droplet since high velocity impact causes second-time breakage, improve oil-gas separation efficiency；Described
The lower section of the first filter baffle is arranged in one oil back chamber, and the first filter baffle is the hatch frame of non-close so as to gas mixture
Flowing, the bottom of the first oil back chamber is arranged in first oil return pipe.
In one embodiment, the second filter opening plate in the thin separator, filter core and the second filter baffle are snugly into each other
Ground is arranged on bottom plate；The fine filtering hole for carrying out secondary acceleration to gas mixture is provided on the second filter opening plate；Institute
The outlet end for stating check valve is fixed on the second filter opening plate, and since the second filter opening plate is equipped with fine filtering hole, check valve goes out
Mouth end meeting covering part fine filtering hole, when pre-separate device internal pressure is smaller, air pressure is not enough to impact opening check valve, oil gas
Mixture can be accelerated by the unlapped fine filtering hole of check valve, pre-separate device internal pressure greatly to a certain extent
When, air pressure is enough to impact opening check valve, and part gas mixture can flow through the fine filtering hole of check valve covering, reach adaptive
Adjust the effect of pre-separate device internal pressure；It is provided on the second filter baffle and separates small oil droplet and water conservancy diversion is small for colliding
Oil droplet filters rib to the two of the second oil back chamber, and the second oil back chamber setting filters baffle rear, the second filter baffle second
For the hatch frame of non-close, the bottom of the second oil back chamber is arranged in second oil return pipe.
In one embodiment, the pre-separate device further includes spill baffle, the spill baffle be hatch frame just
In forming gas channel, the spill baffle is additionally provided with for colliding separation oil droplet simultaneously three filter muscle of the water conservancy diversion to the second oil back chamber
Item；Gas mixture hits spill baffle, and oil droplet flows into the second oil back chamber, remaining gas mixture by three filter ribs
The hatch frame (gas channel) for flowing through spill baffle enters gas vent.
In one embodiment, being additionally provided in first oil return pipe and the second oil return pipe prevents exhaust gas recoil from entering pre- point
Umbrella shape oil return valve from device, can be effectively prevented influences oil gas pre-separation efficiency because of exhaust gas recoil.
In one embodiment, the material of the filter core is any in non-woven fabrics, felt, glass fibre and synthetic fibers
It is a kind of.
In one embodiment, the spacing of the first filter opening plate and the first filter baffle is 2~5mm, according to the air inlet of air inlet
Size is measured, the aperture in the coarse filtration hole can be set to 3~6mm, and the number in the coarse filtration hole is set as 10~45, makes to pass through
The flow control of first filter opening plate flows through the first filter opening leaf fat gas mixture and filters in the flow rates with first in 5~8m/s
The effect that baffle hits separation larger oil droplet is good.
In one embodiment, according to the air inflow size of air inlet, the aperture in the fine filtering hole can be set to 2~
The number of 3mm, the fine filtering hole are set as 10~54, make to flow through by the flow control of the second filter opening plate in 15~30m/s
The effect that second filter opening leaf fat gas mixture separates small oil droplet with the second filter baffle shock in the flow rates is good.
Compared with the prior art, the advantages of the present invention are as follows:
The iris type voltage adaptive controlling oil-gas separating device of engine can accelerate twice gas mixture, respectively
It separates larger oil droplet and small oil droplet and is flowed out by oil back chamber, separative efficiency is high；In the absorption of small oil droplet, filter core is added due to secondary
The impact force of speed does not have residue blocking, there is no need to regularly replace filter core, is able to solve periodic replacement maintenance issues；This
Outside, which has reached automatic adjusument pre-separation dress by the way that check valve is arranged
The effect for setting internal pressure realizes check valve and the hardened new effects for closing generation voltage adaptive controlling of the second filter opening；The iris type
Voltage adaptive controlling oil-gas separating device of engine can also preset the specification (packet in coarse filtration hole and fine filtering hole according to the size of air inflow
Include pore size and filter opening number), primary accelerate and the flow velocity after secondary acceleration, the effect of promotion shock separation oil droplet is ensured with this
Rate.
Detailed description of the invention
The embodiment of the present invention is described further referring to the drawings, in which:
Fig. 1 is the valve mechanism cover schematic diagram of internal structure according to one embodiment of the invention；
Fig. 2 is the three dimensional structure diagram according to the valve mechanism cover mounting groove of one embodiment of the invention；
Fig. 3 is the schematic cross-section according to the valve mechanism cover mounting groove of one embodiment of the invention；
Fig. 4 is the three dimensional structure diagram according to the pre-separate device of one embodiment of the invention；
Fig. 5 is the three dimensional structure diagram according to the first filter opening plate of one embodiment of the invention and the first filter baffle；
Fig. 6 is the three dimensional structure diagram that needle-shaped lug boss is equipped with according to the first of one embodiment of the invention the filter baffle；
Fig. 7 is to be tied according to the second filter opening plate of one embodiment of the invention, filter core, the second filter baffle and the three-dimensional of check valve
Structure schematic diagram；
Fig. 8 is the structural schematic diagram that fine filtering hole is covered according to the outlet end of the check valve of one embodiment of the invention；
Fig. 9 is the three dimensional structure diagram according to the spill baffle of one embodiment of the invention；
Figure 10 is according to the separated structure schematic diagram at the beginning of two partitions of one embodiment of the invention；
Figure 11 is according to the separated structure schematic diagram at the beginning of four partitions of one embodiment of the invention；
Figure 12 is the structural schematic diagram according to the valve mechanism cover escape pipe of one embodiment of the invention；
Figure 13 is according to the working principle diagram under the check valve on state of one embodiment of the invention.
In figure, 100 be valve mechanism cover, and 101 be mounting groove, and 102 be gas vent, and 103 be escape pipe, and 200 fill for pre-separation
It sets, 201 be bottom plate, and 204 be spill baffle, and 205 be the first filter opening plate, and 206 filter baffle for first, and 207 be the first oil back chamber,
208 first oil return pipes, 209 be the second filter opening plate, and 210 be filter core, and 211 be the second filter baffle, and 212 be the second oil back chamber, and 213 are
Second oil return pipe, 214 be check valve, and 215 be coarse filtration hole, and 216 be a filter rib, and 217 be fine filtering hole, and 218 be two filter ribs,
219 be three filter ribs, and 220 be needle-shaped lug boss, and 300 be primary separating device, and 301 be air inlet, and 302 be first partition, and 303 are
Second partition, 304 be third partition, and 305 be the 4th partition.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, and are passed through below in conjunction with attached drawing specific real
Applying example, the present invention is described in more detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and
It is not used in the restriction present invention.
A kind of iris type voltage adaptive controlling oil-gas separating device of engine, including peace are provided in an embodiment of the present invention
The pre-separate device and primary separating device of mounting groove in valve mechanism cover, primary separating device can be in gas mixture air inlet ranks
Section separate section oil droplet, gas mixture enter pre-separate device after flowing through primary separating device, two are carried out in pre-separate device
Secondary acceleration collision separation, and oil droplet is discharged by oil return pipe.Fig. 1 is to be used for according to the valve mechanism cover of one embodiment of the invention
The installation fixing position for providing pre-separate device and primary separating device is set, and as shown in Figure 1, Figure 2 and Figure 3, which is equipped with
The mounting groove 101 of pre-separate device 200 and primary separating device 300 is installed, the mounting groove 101 is also provided with to be started for receiving
The air inlet 301 of gas mixture in machine crankshaft case, the primary separating device 300 are set to 301 rear of air inlet for will be oily
Gas mixture carries out initial gross separation, and diameter is greater than the oil droplet of 10um in separation oil and gas mixture, and the valve mechanism cover 100 is additionally provided with
Gas vent 102；As shown in Figure 3 and Figure 4, the pre-separate device 200 includes the first filter opening plate being arranged in parallel on bottom plate 201
205 and first filter the rough segmentation that baffle 206, the first oil back chamber 207 on bottom plate 201 and first oil return pipe 208 of its underpart form
From device, the crude separation device is located at 300 rear of primary separating device, and the larger oil droplet for handling in gas mixture (refers to oil
Drop diameter is 2~10um)；The second oil back chamber on second filter opening plate 209, filter core 210 and the second filter baffle 211, bottom plate 201
212 and its underpart the second oil return pipe 213 and the subdivision that forms of the check valve 214 that is arranged on the second filter opening plate 209 from dress
It sets, the thin separator is located at crude separation device rear, (refers to that droplet diameter is for handling the small oil droplet in gas mixture
0.1~2um)；The setting of gas vent 102 in the valve mechanism cover 100 is after thin separator rear is for being discharged separation oil droplet
Exhaust gas.
In one embodiment, as shown in Figure 10, the primary separating device 300 is by first partition 302 and second partition 303
Composition, inner wall of the first partition 302 with second partition 303 respectively with 101 both ends of mounting groove is fixed, curved to be formed
Labyrinth type oil-gas channel；In yet another embodiment, as shown in figure 11, the primary separating device 300 is by first partition 302,
Two partitions 303 composition, third partition 304 and the 4th partition 305 composition, the first partition 302, second partition 303, third every
The inner wall of plate 304 and the 4th partition 305 respectively alternately with 101 both ends of mounting groove is fixed, to form curved labyrinth type oil
Gas channel.
As shown in figure 5, the first filter opening plate 205 and the first filter baffle 206 in the crude separation device are arranged in parallel in bottom
(Fig. 4 is referred to) on plate 201, and the coarse filtration for once being accelerated to gas mixture is provided on the first filter opening plate 205
Hole 215.In one embodiment, it is provided on the first filter baffle 206 and (refers to that droplet diameter is for colliding separation larger oil droplet
2~10um) simultaneously water conservancy diversion larger oil droplet is to a filter rib 216 of the first oil back chamber 207, and the setting of the first oil back chamber 207 is first
Filter the lower section of baffle 206, the first filter baffle 206 is the hatch frame (convenient for forming gas channel) of non-close, described the
The bottom of the first oil back chamber 207 is arranged in one oil return pipe 208；Gas mixture flows through after the acceleration of the first filter opening plate 205 with
One filter baffle 206 is hit, and larger oil droplet flows into the first oil back chamber 207, remaining air-fuel mixture logistics by a filter rib 216
Opening portion (gas channel) outflow through the first filter baffle 206；In yet another embodiment, as shown in fig. 6, first filter
The needle-shaped lug boss 220 for increasing oil gas making contact area is provided on baffle 206, the needle-shaped lug boss 220 can
Effectively absorption high velocity impact first filters the larger oil droplet of baffle 206 and by oil droplet water conservancy diversion to the first oil back chamber 207, prevent larger oil droplet by
Second-time breakage (larger oil droplet collision is easy to produce splashing) is caused in high velocity impact, improves oil-gas separation efficiency, larger oil droplet passes through
Needle-shaped lug boss 220 flows into the first oil back chamber 207, remaining gas mixture flows through the opening portion (oil of the first filter baffle 206
Gas channel) outflow.In one embodiment, as the air inflow of air inlet 301 be 60L/min, the aperture in the coarse filtration hole 215 is set
It is set to 3mm, the number in the coarse filtration hole 215 is set as 27, the spacing of the first filter opening plate 205 and the first filter baffle 206
It is set as 2mm, is made through the flow control of the first filter opening plate 205 in about 5m/s, at this point, it is mixed to flow through 205 oil gas of the first filter opening plate
It is good to close the effect that object separates larger oil droplet with the first filter shock of baffle 206 under the setting of the flow velocity and spacing；In another implementation
In example, if the air inflow of air inlet 301 is 100L/min, the aperture in the coarse filtration hole 215 is set as 6mm, the coarse filtration hole 215
Number be set as 10, the spacing of the first filter opening plate 205 and the first filter baffle 206 is set as 3mm, makes through the first filter
The flow control of orifice plate 205 is in about 6m/s, at this point, flowing through 205 gas mixture of the first filter opening plate setting in the flow velocity and spacing
It is good to set down the effect for separating larger oil droplet with the first filter shock of baffle 206；In yet another embodiment, such as the air inlet of air inlet 301
Amount is 150L/min, and the aperture in the coarse filtration hole 215 is set as 5mm, and the number in the coarse filtration hole 215 is set as 25, described
The spacing of first filter opening plate 205 and the first filter baffle 206 is set as 5mm, makes through the flow control of the first filter opening plate 205 about
5m/s is hit under the setting of the flow velocity and spacing with the first filter baffle 206 at this point, flowing through 205 gas mixture of the first filter opening plate
The effect for hitting separation larger oil droplet is good；In yet another embodiment, if the air inflow of air inlet 301 is 270L/min, the coarse filtration
The aperture in hole 215 is set as 6mm, and the number in the coarse filtration hole 215 is set as 20, and the first filter opening plate 205 and first is filtered
The spacing of baffle 206 is set as 4mm, makes through the flow control of the first filter opening plate 205 in about 8m/s, at this point, flowing through the first filter
The effect that 205 gas mixture of orifice plate separates larger oil droplet with the first filter shock of baffle 206 under the setting of the flow velocity and spacing is good；
In yet another embodiment, if the air inflow of air inlet 301 is 270L/min, the aperture in the coarse filtration hole 215 is set as 3mm,
The number in the coarse filtration hole 215 is set as 45, and the spacing of the first filter opening plate 205 and the first filter baffle 206 is set as
4mm makes through the flow control of the first filter opening plate 205 in about 8m/s, exists at this point, flowing through 205 gas mixture of the first filter opening plate
The effect for separating larger oil droplet with the first filter shock of baffle 206 under the setting of the flow velocity and spacing is good.
In one embodiment, as shown in Figure 3 and Figure 4, the second filter opening plate 209 in the thin separator, filter core 210
With second filter baffle 211 it is snugly into each other be arranged on bottom plate 201, the second filter opening plate 209 be equipped with check valve 214；Institute
The fine filtering hole 217 being provided on the second filter opening plate 209 for carrying out secondary acceleration to gas mixture is stated, gas mixture flows through
When the second filter opening plate 209, gas mixture has carried out secondary acceleration under the action of fine filtering hole 217, and gas mixture can be to institute
It states filter core 210 and carries out high speed impact, 210 lower part of filter core is hatch frame convenient for forming gas channel, and the filter core 210 is used
Small oil droplet (referring to that droplet diameter is 0.1~2um) after adsorbing the secondary acceleration of gas mixture, wherein the material of filter core 210 can
Think non-woven fabrics, felt, glass fibre or synthetic fibers, filter core 210 is good using these materials absorption oil droplet effect, and filter core
210 under the high speed impact effect of secondary acceleration, and surface will not assemble residue, therefore can exempt periodic replacement maintenance
(maintenance filter pulp need to be regularly replaced by directlying adopt filter pulp progress Oil-gas Separation in the prior art though efficiency is high, be safeguarded
Higher cost)；As shown in Figure 7, Figure 8, the outlet end of the check valve 214 is fixed on the second filter opening plate 209, due to the second filter
Orifice plate 209 is equipped with fine filtering hole 217, therefore the outlet end meeting covering part fine filtering hole 217 of check valve 214, in pre-separate device
When 200 internal pressures are smaller, air pressure, which is not enough to impact, opens check valve 214, and gas mixture can not covered by check valve 214
The fine filtering hole 217 of lid is accelerated, 200 internal pressure of pre-separate device greatly to a certain extent when (gas mixture flow velocity is big
When 18.2m/s), air pressure, which is enough to impact, opens check valve 214, and part gas mixture can flow through the thin of the covering of check valve 214
Filter opening 217 has achieved the effect that 200 internal pressure of automatic adjusument pre-separate device；The principle of the check valve 214 is initial
Under state, top cover withstands arrival end by spring force, and only after inlet port pressure is greater than to a certain degree, top cover compresses bullet
Spring makes check valve that (as shown in figure 13) be connected, and medium can enter the fine filtering hole covered from outlet end through arrival end and flow out at this time；Institute
It states and is provided on the second filter baffle 211 for colliding the small oil droplet of separation simultaneously two filter muscle of the small oil droplet of water conservancy diversion to the second oil back chamber 212
Item 218, the lower part of the second filter baffle 211 are the hatch frame (forming gas channel) of non-close, are convenient for gas mixture
Flowing, gas mixture flows through after filter core 210 under the effect of impact of the second filter baffle 211, and small oil droplet passes through two filter ribs
218 flow into the second oil back chamber, remaining gas mixture is entered next by the hatch frame (gas channel) of the second filter baffle 211
Grade separator；In one embodiment, as the air inflow of air inlet 212 be 60L/min, the aperture in the fine filtering hole 217 is set
It is set to 2mm, the number in the fine filtering hole 217 is set as 22, and (wherein the outlet end of check valve 214 covers 4, not by check valve
214 outlet end is covered with 18, and gas mixture can pass through 18 uncovered fine filtering holes 217), the dress of pre-separation at this time
Setting 200 air pressure insides is insufficient to allow check valve 214 to be connected, and by the flow control of the second filter opening plate 209 in about 18m/s, flows through
Second filter opening plate, 209 gas mixture impacts filter core 210 under the flow velocity, and gas mixture exists after filter core 210 adsorbs small oil droplet
Continue to hit the second filter baffle 211 under the flow velocity, preferable small oil droplet separating effect can be obtained；When the air inlet of air inlet 212
When amount is promoted to 78L/min from 60L/min, 200 air pressure inside of pre-separate device increases, and check valve 214 is impacted in gas pressure
Lower conducting (gas mixture can pass through 22 fine filtering holes 217), at this time by the flow control of the second filter opening plate 209 about
18.8m/s flows through 209 gas mixture of the second filter opening plate and impacts filter core 210 under the flow velocity, after filter core 210 adsorbs small oil droplet
Gas mixture continues to hit the second filter baffle 211 under the flow velocity, can obtain preferable small oil droplet separating effect；Another
In a embodiment, if the air inflow of air inlet 212 is 60L/min, the aperture in the fine filtering hole 217 is set as 3mm, the fine filtering
The number in hole 217 is set as 10, and (wherein the outlet end of check valve 214 covers 2, is not covered by the outlet end of check valve 214
Have 8, gas mixture can pass through 8 uncovered fine filtering holes 217), make the flow control by the second filter opening plate 209
In about 17.7m/s, 200 air pressure inside of pre-separate device is insufficient to allow check valve 214 to be connected at this time, flows through the second filter opening plate 209
Gas mixture impacts filter core 210 under the flow velocity, and gas mixture continues to hit under the flow velocity after filter core 210 adsorbs small oil droplet
The second filter baffle 211 is hit, preferable small oil droplet separating effect can be obtained；When the air inflow of air inlet 212 is promoted from 60L/min
When to 80L/min, 200 air pressure inside of pre-separate device increases, and (air-fuel mixture is connected under gas pressure impact in check valve 214
Object can pass through 10 fine filtering holes 217), make to flow through the second filter in about 18.9m/s by the flow control of the second filter opening plate 209
209 gas mixture of orifice plate impacts filter core 210 under the flow velocity, and gas mixture is in the flow velocity after filter core 210 adsorbs small oil droplet
Under continue to hit the second filter baffle 211, preferable small oil droplet separating effect can be obtained；In yet another embodiment, such as air inlet
The air inflow in hole 212 is 120L/min, and the aperture in the fine filtering hole 217 is set as 2.5mm, and the number in the fine filtering hole 217 is set
Being set to 30, (wherein the outlet end of check valve 214 covers 6, is not covered with 24 by the outlet end of check valve 214, oil gas is mixed
24 uncovered fine filtering holes 217 can be passed through by closing object), make through the flow control of the second filter opening plate 209 in about 17m/s,
200 air pressure inside of pre-separate device is insufficient to allow check valve 214 to be connected at this time, flows through 209 gas mixture of the second filter opening plate and exists
Filter core 210 is impacted under the flow velocity, gas mixture continues to hit the second filter baffle under the flow velocity after filter core 210 adsorbs small oil droplet
211, preferable small oil droplet separating effect can be obtained；When the air inflow of air inlet 212 is promoted to 165L/min from 120L/min
When, 200 air pressure inside of pre-separate device increases, and (gas mixture can pass through check valve 214 for conducting under gas pressure impact
30 fine filtering holes 217), make to flow through 209 oil gas of the second filter opening plate in about 18.7m/s by the flow control of the second filter opening plate 209
Mixture impacts filter core 210 under the flow velocity, and gas mixture continues shock under the flow velocity after filter core 210 adsorbs small oil droplet
Two filter baffles 211, can obtain preferable small oil droplet separating effect；In yet another embodiment, such as the air inflow of air inlet 212
For 200L/min, the aperture in the fine filtering hole 217 is set as 2.4mm, and the number in the fine filtering hole 217 is set as 54 (wherein
The outlet end of check valve 214 covers 12, is not covered with 42 by the outlet end of check valve 214, gas mixture can pass through
42 uncovered fine filtering holes 217), make through the flow control of the second filter opening plate 209 in about 17.5m/s, at this time pre-separation
200 air pressure inside of device is insufficient to allow check valve 214 to be connected, and flows through 209 gas mixture of the second filter opening plate in the flow velocity undershoot
Filter core 210 is hit, gas mixture continues to hit the second filter baffle 211 under the flow velocity after filter core 210 adsorbs small oil droplet, can obtain
Obtain preferably small oil droplet separating effect；When the air inflow of air inlet 212 is promoted to 270L/min from 200L/min, pre-separation dress
The increase of 200 air pressure insides is set, (gas mixture can pass through 54 fine filtering holes to check valve 214 for conducting under gas pressure impact
217), make to flow through 209 gas mixture of the second filter opening plate at this in about 18.4m/s by the flow control of the second filter opening plate 209
Filter core 210 is impacted under flow velocity, gas mixture continues to hit the second filter baffle under the flow velocity after filter core 210 adsorbs small oil droplet
211, preferable small oil droplet separating effect can be obtained.
In one embodiment, as shown in Figure 3 and Figure 4, the pre-separate device 200 further includes spill baffle 204, institute
Stating spill baffle 204 is hatch frame convenient for forming gas channel, as shown in figure 9, the spill baffle 204 is additionally provided with and is used for
Collision separates oil droplet simultaneously three filter ribs 219 of the water conservancy diversion to the second oil back chamber 212；Gas mixture hits spill baffle 204
It hits, oil droplet flows into the second oil back chamber 212 by three filter ribs 219, remaining gas mixture flows through the opening knot of spill baffle 204
Structure (gas channel) enters gas vent 102, and 204 opening upwards of spill baffle are fixed on bottom plate 201, so as to second point
The gas mixture flowed out from device 203 directly hits 204 lower part of spill baffle, and oil droplet passes through three filter ribs under the effect of gravity
219 flow into the second oil back chamber 212.
In one embodiment, it with continued reference to Fig. 4, is additionally provided in first oil return pipe 208 and the second oil return pipe 213 anti-
Only exhaust gas recoil enters the umbrella shape oil return valve (not shown) of pre-separate device 200, can be effectively prevented due to exhaust gas recoil
Influence oil gas pre-separation efficiency.The escape pipe 103 for gas mixture to be discharged is additionally provided on the gas vent 102 (as schemed
Shown in 12), the gas mixture after pre-separation can be imported other active separators by the setting of the escape pipe 103, with
Just oil gas is carried out actively to separate.
From above-described embodiment as can be seen that compared with prior art, iris type according to an embodiment of the present invention is adaptively adjusted
Then hydraulic motor gas and oil separating plant can carry out gas mixture in gas mixture charging stage separate section oil droplet
Accelerate twice, separate larger oil droplet and small oil droplet respectively and flowed out by oil back chamber, separative efficiency is high；It can also be according to air inflow
Size presets the specification (including pore size and filter opening number) in coarse filtration hole and fine filtering hole, ensures that primary acceleration adds with secondary with this
Flow velocity after speed promotes the efficiency for hitting separation oil droplet, in addition, the iris type voltage adaptive controlling oil-gas separating device of engine is logical
It crosses setting check valve and has achieved the effect that automatic adjusument pre-separate device internal pressure, divide in advance after coping with air inflow increase
The problem excessive from device air pressure inside is finally able to satisfy the standard of the discharge of state six.
What the reference in this specification for " some embodiments ", " one embodiment " or " embodiment " etc. referred to is knot
Special characteristic described in the embodiment, structure or property is closed to be included at least one embodiment.Therefore, phrase is " each
In a embodiment ", " in some embodiments ", " in one embodiment " or " in embodiment " etc. throughout the specification
The appearance of each place not necessarily refers to identical embodiment.In addition, special characteristic, structure or property can be at one or more
It is combined in any way as suitable in a embodiment.Therefore, in conjunction with shown in one embodiment or description special characteristic, structure
Or property wholly or partly can be combined unlimitedly with the feature of one or more other embodiments, structure or property,
As long as the combination is not non-logicality or cannot work.In addition, each element in illustrations is just to illustrating
It is bright, it is not necessarily drawn to scale.
It is thus described several aspects of at least one embodiment of this invention, it will be understood that those skilled in the art
For be easy to carry out various changes, modification and improvement.This changes, modifications and improvement are intended in the spirit and scope of the present invention
It is interior.
Claims (9)
1. a kind of iris type voltage adaptive controlling oil-gas separating device of engine, comprising: the pre- of mounting groove in valve mechanism cover is arranged in
Separator and primary separating device, the mounting groove offer air inlet, and the primary separating device is made of at least two partitions,
The valve mechanism cover is additionally provided with gas vent, and the valve mechanism cover, pre-separate device and primary separating device combine to form gas channel,
It is characterized in that, the pre-separate device includes:
The first filter opening plate being arranged in parallel on bottom plate and the first filter baffle, the first oil back chamber on bottom plate and first time under it
The crude separation device of oil pipe composition, the crude separation device are located at primary separating device rear；
Second filter opening plate, filter core and the second filter baffle, the second oil back chamber on bottom plate and the second oil return pipe under it and setting
The thin separator of check valve composition on the second filter opening plate, the thin separator is located at crude separation device rear, described
Gas vent is arranged at thin separator rear.
2. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: the rough segmentation
From coarse filtration hole is provided on the first filter opening plate in device, a filter rib or needle-shaped protrusion are provided on the first filter baffle
The lower section of the first filter baffle is arranged in portion, first oil back chamber, and the first filter baffle is the hatch frame of non-close, described
The bottom of the first oil back chamber is arranged in first oil return pipe.
3. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: the subdivision
From in device the second filter opening plate, filter core and second filter baffle it is snugly into each other be arranged on bottom plate；On the second filter opening plate
It is provided with fine filtering hole, the outlet end of the check valve is fixed on the second filter opening plate, is provided with two filters on the second filter baffle
Rib, the second oil back chamber setting filter baffle rear second, and the second filter baffle is the hatch frame of non-close, described
The bottom of the second oil back chamber is arranged in second oil return pipe.
4. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: described pre- point
It further include spill baffle from device, the spill baffle is additionally provided with three filter ribs.
5. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: the filter core
Material be non-woven fabrics, felt, glass fibre or synthetic fibers in any one.
6. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: described
One oil return pipe and the second oil return pipe are additionally provided with the umbrella shape oil return valve for preventing exhaust gas recoil from entering pre-separate device.
7. iris type voltage adaptive controlling oil-gas separating device of engine as described in claim 1, it is characterised in that: the exhaust
The escape pipe for gas mixture to be discharged is additionally provided on hole.
8. iris type voltage adaptive controlling oil-gas separating device of engine as claimed in claim 2, it is characterised in that: the first filter opening
The spacing of plate and the first filter baffle is 2~5mm, and the aperture in the coarse filtration hole is 3~6mm, the number in the coarse filtration hole is 10~
45.
9. iris type voltage adaptive controlling oil-gas separating device of engine as claimed in claim 3, it is characterised in that: the fine filtering
The aperture in hole is 2~3mm, and the number in the fine filtering hole is 10~54.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075065.7A CN109236416A (en) | 2018-09-14 | 2018-09-14 | A kind of iris type voltage adaptive controlling oil-gas separating device of engine |
| PCT/CN2019/105742 WO2020052661A1 (en) | 2018-09-14 | 2019-09-12 | Partition-type self-adapting pressure-regulating oil-gas separation device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075065.7A CN109236416A (en) | 2018-09-14 | 2018-09-14 | A kind of iris type voltage adaptive controlling oil-gas separating device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236416A true CN109236416A (en) | 2019-01-18 |
Family
ID=65058155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811075065.7A Withdrawn CN109236416A (en) | 2018-09-14 | 2018-09-14 | A kind of iris type voltage adaptive controlling oil-gas separating device of engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109236416A (en) |
| WO (1) | WO2020052661A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630351A (en) * | 2019-09-12 | 2019-12-31 | 安徽省锦瑞汽车部件有限公司 | Double-layer labyrinth matrix type efficient oil-gas separator |
| WO2020052661A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Partition-type self-adapting pressure-regulating oil-gas separation device for engine |
| US20220251986A1 (en) * | 2019-06-12 | 2022-08-11 | Kubota Corporation | Blow-by gas recirculation device |
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|---|---|
| WO2020052661A1 (en) | 2020-03-19 |
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