CN108071448A - For the grain catcher and its renovation process of vehicle exhaust system - Google Patents
For the grain catcher and its renovation process of vehicle exhaust system Download PDFInfo
- Publication number
- CN108071448A CN108071448A CN201610990909.5A CN201610990909A CN108071448A CN 108071448 A CN108071448 A CN 108071448A CN 201610990909 A CN201610990909 A CN 201610990909A CN 108071448 A CN108071448 A CN 108071448A
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- China
- Prior art keywords
- filter core
- housing
- grain catcher
- exhaust
- mileage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/0214—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters with filters comprising movable parts, e.g. rotating filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0233—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
One aspect of the present invention provides a kind of grain catcher for vehicle exhaust system, including：It is provided with the housing of air inlet and exhaust outlet, is arranged on the in vivo filter core of shell and the driving mechanism being connected with filter core, wherein, driving mechanism is configured to driving filter core and is rotated inside housings compared with housing.The present invention also provides a kind of renovation process of grain catcher.It is an object of the invention to provide it is a kind of being capable of regenerated grain catcher and its renovation process for vehicle exhaust system.
Description
Technical field
The present invention relates to technical field of vehicle, more specifically, are related to a kind of granule capturing for vehicle exhaust system
Device and its renovation process.
Background technology
It is increasingly improved with the development and social progress, requirement of the people to environment of science and technology, this allows for arranging vehicle
The emission request of deflation body is increasingly strict, therefore, commonly used in the exhaust system of existing vehicle to be useful for Vehicular exhaust
The grain catcher handled.But the flue dust of high-temperature oxydation is needed since grain catcher can not only trap, simultaneously
Dust in exhaust system can be also deposited in grain catcher, and remaining substance swashing in no external condition after oxidation
It gives, also is difficult to be eliminated in exhaust system, grain catcher will soon just be blocked up completely by particle, if carried out not in time clear
Reason or replacement may result in the rise of grain catcher back pressure, influence vehicle performance.Existing vehicle usually passes through timing replacement
Grain trap removes grain catcher from negative direction air blowing to remove tamper；Or it needs to install in the prior art at some
Additional regenerating unit so that chemical reaction occurs for the particle collected in grain catcher to be eliminated.But these are handled
Method not only tedious process, and cost is higher.
The content of the invention
For problem present in correlation technique, it is an object of the invention to provide one kind regenerated to be arranged for vehicle
The grain catcher and its renovation process of gas system.
To achieve the above object, one aspect of the present invention provides a kind of grain catcher for vehicle exhaust system, bag
It includes：It is provided with the housing of air inlet and exhaust outlet, is arranged on the in vivo filter core of shell and the driving mechanism being connected with filter core,
In, driving mechanism is configured to driving filter core and is rotated inside housings compared with housing.
According to one embodiment of present invention, filter core has inlet end and exhaust end, and driving mechanism further constructs
It is rotated between the first position and the second position compared with housing into driving filter core, wherein, in first position, inlet end and exhaust
End is respectively facing air inlet and exhaust outlet；And in the second position, inlet end and exhaust end are respectively facing exhaust outlet and air inlet.
According to one embodiment of present invention, housing further comprises first end face, the second end opposite with first end face
Face and the cylindrical surface of connection first end face and second end face, wherein, air inlet and exhaust outlet are separately positioned on cylindrical surface.
According to one embodiment of present invention, driving mechanism is further configured to pivot axis rotation of the driving filter core around filter core
Turn, and pivot axis is overlapped with the axis on cylindrical surface.
According to one embodiment of present invention, filter core is further configured to the cylindrical knot with inlet end and exhaust end
Structure, and inlet end and exhaust end are spaced to turn up the soil and be arranged on the cylindrical surface of cylindrical structural.
According to one embodiment of present invention, driving mechanism further comprises：The motor being arranged on housing；It is driven by motor
The pinion gear of dynamic rotation, pinion gear are set in the housing；And the gear ring for being connected with filter core and being engaged with pinion gear, gear ring are set
In the housing and under the driving of pinion gear filter core can be driven to rotate in the housing.
According to one embodiment of present invention, the rotation of the pivot center of pinion gear, the pivot center of gear ring and filter core
Axis is parallel to each other.
According to one embodiment of present invention, the cylindrical surface of housing further comprises being connected with first end face first annular
Track and the second circular orbit being connected with second end face, wherein, filter core can be along first annular track and the second circular orbit
Rotation.
According to one embodiment of present invention, at least one in first annular track and the second circular orbit be provided with
The edge of filter core rolls the idler wheel of connection.
According to one embodiment of present invention, filter core includes：Shell, shell are provided with inlet end and exhaust end；It is contained in
Core in shell, core are connected with inlet end and exhaust end；And packing material, packing material be filled in the inner wall of shell with
Between core.
According to one embodiment of present invention, core includes at least ceramic material and/or metal material, and packing material is at least
Including expanded material.
According to one embodiment of present invention, air inlet and exhaust outlet are arranged relative to each other in the both sides of housing.
According to one embodiment of present invention, filter core rotates inside housings pivot center and air inlet and exhaust outlet it
Between line be at an angle of setting.
According to another aspect of the present invention, a kind of grain catcher for being related to any of the above-described embodiment is also provided to carry out
Regeneration method, including：Regeneration step：After the tail-off of vehicle, filter is driven by the driving mechanism being connected with filter core
Core rotates inside housings compared with housing, so that the position of filter core towards the air inlet of housing changes, so as to utilize vehicle
Exhaust by filter core particle blow out.
According to one embodiment of present invention, regeneration step further comprises：Drive filter core rotate so that filter core towards into
The partial turn of gas port is extremely towards the exhaust outlet of housing.
According to one embodiment of present invention, regeneration step further comprises：Filter core is driven to rotate so that filter core direction row
The partial turn of gas port is extremely towards the air inlet of housing.
According to one embodiment of present invention, before regeneration step is carried out, mileage detecting step is further comprised：It is sending out
After motivation starts, the cycle mileage of vehicle traveling is detected and by cycle mileage compared with default mileage；And such as
Fruit cycle mileage is more than or equal to default mileage, then performs regeneration step；Otherwise back pressure detecting step is performed.
According to one embodiment of present invention, the mileage that cycle mileage travels after being rotated for grain catcher is last；Or
The mileage that person's cycle mileage travels for grain catcher before rotating for the first time.
According to one embodiment of present invention, back pressure detecting step further comprises：To the current back pressure of grain catcher
It is detected and by current back pressure compared with default back pressure；And it if current back pressure is more than or equal to default back pressure, holds
Row regeneration step；Otherwise mileage detecting step is performed.
According to one embodiment of present invention, before regeneration step is performed, engine condition detection step is further comprised
Suddenly：Detect the current operating conditions of engine；And after tail-off is detected, regeneration step is performed；Otherwise repeat
Detect the current operating conditions of engine.
The advantageous effects of the present invention are：
It is provided with what can be rotated inside housings in grain catcher of the present invention for vehicle exhaust system
Filter core, when adhering to excessive dust in filter core, filter core can rotate in housing, so when being again started up vehicle, exhaust
Gas in the exhaust of system blowout can be from another direction by filter core, so as to which the dust in filter core be blown out；And it is vented
In particle be still trapped in filter core, so extend dismounting cleaning filter core and replace filter core cycle, economize on vehicle into
This.Simultaneously so that the structure of grain catcher is simplified, manufacture cost is reduced.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment grain catcher according to the present invention；
Fig. 2 is the sectional view of one embodiment grain catcher according to the present invention；
Fig. 3 is the schematic diagram of one embodiment housing according to the present invention；
Fig. 4 is the schematic diagram of one embodiment filter core according to the present invention；And
Fig. 5 is the flow chart of one embodiment renovation process according to the present invention.
Specific embodiment
Below with reference to attached drawing, embodiments of the present invention is described in detail.
As shown in Figures 1 to 4, the embodiment of one aspect of the present invention provides a kind of particle for vehicle exhaust system and catches
Storage 10.The grain catcher 10 includes housing 12, is arranged on the in vivo filter core 18 of shell and the driving machine being connected with filter core 18
Structure.Wherein, housing 12 is provided with air inlet 14 and exhaust outlet 16, and driving mechanism is configured to driving filter core 18 and exists compared with housing 12
12 inner rotation of housing, for example, along Fig. 1 arrow meaning direction.
It is to be understood that in order to realize the regeneration of grain catcher 10, filter core 18 is in rotation correspondence in air inlet
14 and/or the position of exhaust outlet 16 should be different, in this way, after vehicle is again started up, in the exhaust pathway of exhaust system
It the part of filter core 18 can be different.That is, the row that exhaust system is discharged in the cleaner part of filter core 18 can be used
Gas is filtered.Also, exhaust system is blown from another direction of filter core 18, can blow off the ash being attached on filter core
Dirt, to reach regenerated purpose.
For example, in one embodiment, air inlet 14 and exhaust outlet 16 are symmetrically or non-symmetrically set at the both ends of housing 12,
When filter core 18 carries out regeneration step, rotating filter element 18 makes the part for being directed at gas outlet 16 before rotation be directed at air inlet after rotation
Mouth 14.In this way, after vehicle is again started up, exhaust system is blown from air inlet 14 towards filter core 18, and gas is from exhaust outlet 16
Discharge, the flow path of gas are to be blown into filter core 18 from the outlet position before rotation, can will be attached to air inlet side before rotation
Upward dust blowout, reaches regenerated purpose.
In the above-described embodiments, can be revolved for being provided in the grain catcher of vehicle exhaust system inside housing 12
The filter core 18 turned, when adhering to excessive dust in filter core 18, filter core 18 can the rotation in the housing 12, so when being again started up
During vehicle, the gas blown out in exhaust system can be from another direction by filter core 18, so as to which the dust in filter core 18 be blown
Go out；And the particle in being vented still is trapped in filter core 18, is so extended dismounting cleaning filter core 18 and is replaced filter core 18
Cycle economizes on vehicle cost.Simultaneously so that the structure of grain catcher 10 is simplified, manufacture cost is reduced.
Further, as shown in Figures 1 to 4, according to one embodiment of present invention, filter core 18 has inlet end 20 and row
Gas end 22, and driving mechanism be further configured to driving filter core 18 compared with housing 12 between the first position and the second position
It rotates, wherein, in first position, inlet end 20 and exhaust end 22 are respectively facing air inlet 14 and exhaust outlet 16；And second
Position, inlet end 20 and exhaust end 22 are respectively facing exhaust outlet 16 and air inlet 14.That is, when performing regeneration step,
Filter core 18 can for example rotate 180 °, so that inlet end 20 and exhaust end 22 are respectively facing exhaust outlet 16 and air inlet 14.At this point,
The discharge gas of exhaust system is blown into filter core 18 from exhaust end 22, and is blown out from inlet end 20, in other words, with performing regeneration
It is compared before step, discharge gas is completely opposite by the path of filter core 18 after filter core 18 performs regeneration step.Certainly should manage
Solution, as described above, filter core 18 can also rotate multiple angles in addition to 180 ° when performing regeneration step, such as but not
It is limited to 45 °, 90 °, 135 ° etc. of rotation, this can be depending on specific design and service condition, and the present invention is not limited to this.
Referring again to Fig. 3, according to one embodiment of present invention, housing 12 further comprises first end face 24 and first
The opposite second end face 26 in end face 24 and the cylindrical surface 28 of connection first end face 24 and second end face 26, wherein, air inlet 14
It is separately positioned on exhaust outlet 16 on cylindrical surface 28.The housing 12 of this cylindrical shape will not hinder the rotation of filter core 18.And
And, it should be further appreciated that as the case may be, housing 12 can also be configured to other shapes, for example, housing 12 can also structure
It makes as sphere.Alternatively, in another embodiment, housing 12 can also be configured to spheroid shape.It is noted, of course, that
Foregoing housing 12 is configured in the embodiment of cylinder, and air inlet 14 and exhaust outlet 16 can symmetrically or non-symmetrically be arranged on cylinder
On face 28.
In another embodiment, air inlet 14 and exhaust outlet 16 can also be separately positioned on first end face 24 and second end
On face 26, and filter core 18 is then configured to such as sphere can be in 12 internal rotating of housing so that alignment and/or goes out air inlet 14
The changed structure in position of gas port 16.Alternatively, one of air inlet 14 and exhaust outlet 16 can be arranged on cylindrical surface 28
On, another one can also be arranged in first end face 24 or second end face 26, this can be depending on particular condition in use, this hair
It is bright not limited to this.
Referring again to Fig. 1, according to one embodiment of present invention, driving mechanism is further configured to driving filter core 18 around filter
The pivot axis rotation of core 18, and pivot axis is overlapped with the axis on the cylindrical surface 28 of housing 12.That is, when filter core 18
After installation is complete, filter core 18 and housing 12 are coaxial.Further, filter core 18 can be structured as such as cylinder coaxial with housing 12
The structure of body or sphere.
According to one embodiment of present invention, filter core 18 is further configured to the cylinder with inlet end 20 and exhaust end 22
Shape structure, and inlet end 20 and exhaust end 22 are spaced to turn up the soil and be arranged on the cylindrical surface of cylindrical structural.Optionally such as
Shown in Fig. 4, in one embodiment, inlet end 20 and exhaust end 22 are oppositely arranged on filter core 18.
As shown in figures 1 and 3, according to one embodiment of present invention, driving mechanism further comprises：It is arranged on housing
Motor 30；The pinion gear 32 of rotation is driven by motor 30, pinion gear 32 is arranged in housing 12；And it is connected simultaneously with filter core 18
The gear ring 34 engaged with pinion gear 32, gear ring 34 are arranged in housing 12 and under the driving of pinion gear 32 filter core 18 can be driven to exist
It is rotated in housing 12.In this way, when needing replacing or dismantling filter core 18, gear ring 34 and the filter of filter core 18 will can be directly connected to
Core integral replacing facilitates installation.In addition it should be appreciated that pinion gear 32 and gear ring 34 in the present embodiment can also be configured to remove
Other structures outside tooth-shape structure, in other words, although both parts are known as pinion gear and gear ring in the present embodiment,
It can represent any mechanical engaging structures that can realize transmission；And the selection of this structure can according to design requirement,
Progress, the present invention such as dimensional space, user's needs in grain trap 10 are not limited to any specific structure.
According to one embodiment of present invention, the pivot center of pinion gear 32, the pivot center of gear ring 34 and filter core 18
Pivot center it is parallel to each other, so as to form structure as shown in Figure 1.Alternatively, in another alternative embodiment, filter core 18
Drive rod that can be directly with motor 30 engages.
As shown in Fig. 2, according to one embodiment of present invention, the cylindrical surface of housing 12 further comprises and first end face 24
The first annular track 36 of connection and the second circular orbit 38 being connected with second end face 26, wherein, filter core 18 can be along first
36 and second circular orbit 38 of circular orbit rotates.In another embodiment of the present invention, can also only be set in housing 12
There are one circular orbits.For example, it in a preferred embodiment, is provided in housing 12 and first end face 24 and second end face 26
A parallel circular orbit.Set circular orbit that filter core 18 can be caused to be rotated in housing 12 along setting track, together
When track certain supporting role can also be played to housing 12.
According to one embodiment of present invention, at least one setting in first annular 36 and second circular orbit 38 of track
There is the idler wheel that connection is rolled with the edge of filter core 18.In this way, filter core 18 can be made more swimmingly to be rotated in track.
As shown in figure 4, according to one embodiment of present invention, filter core 18 can include：Shell 40, shell 40 set just like
The upper inlet end 20 and exhaust end 22；Accommodate core 42 in the shell, core 42 and 22 phase of inlet end 20 and exhaust end
Even, so as to be vented by one of reception in two ports, and the gas after filtering is discharged by another port；And it fills out
Material 44 is filled, packing material 44 is filled between the inner wall of shell 40 and core 42.That is, in use, it is located at
The part of filter core 18 beyond the gas flowing path of exhaust system can be filled by packing material 44, from there through filling
Material 44 is supported core 42 and consolidates core 42 and is mounted in shell 40.
It should be understood of course that in some embodiments, packing material 44 can not also be provided in filter core 18, and
It is to be filled in housing 40 to be formed completely by core 42, this can be depending on particular condition in use, and the present invention is not limited to this.
Such as in one embodiment, core 42 is all arranged in the shell 40 of filter core 18, it on the other hand, can be in filter core 18
Periphery (that is, on annular surface of filter core 18) sets continuous import/exhaust mouth, so that filter core 18 can rotate when in use appoints
Meaning angle.
According to one embodiment of present invention, core 42 includes at least ceramic material and/or metal material, packing material 44
Including at least expanded material.For example, in one alternate embodiment, core 42 can be made of cordierite.
According to one embodiment of present invention, air inlet 14 and exhaust outlet 16 are arranged relative to each other the two of housing 12
Side.That is, when performing regeneration step, filter core 18 can rotate 180 °, so that inlet end 20 and exhaust end 22 court respectively
To exhaust outlet 14 and air inlet 16.At this point, the discharge gas of exhaust system is blown into filter core 18 from exhaust end 22, and from inlet end
20 blowouts.Alternatively, in another embodiment, filter core 18 can also rotate other angles, in this way, the gas of exhaust system can be with
Filter core 18 is flowed through by other paths.
According to one embodiment of present invention, filter core 18 is in the pivot center of 12 inner rotation of housing and air inlet 14 and row
Line between gas port 16 is at an angle of setting.That is, filter core 18 is directed at the position of air inlet 14 and exhaust outlet 16 after rotation
Putting can change.Such structure causes the flow path along air inlet 14 to the exhaust between exhaust outlet 16 to pass through filter always
The outer circumferential surface of core 18 rather than as prior art by the end face of filter core 18 through filter core 18 so that filter core 18 no matter
How many angle are rotated, outer circumferential surface is always towards air inlet 14 and exhaust outlet 16.
As shown in figure 5, according to another aspect of the present invention, also provide a kind of particle being related to any of the above-described embodiment
Trap 10 carries out regeneration method.This method can be broadly described as including regeneration step 120, in this step, in vehicle
Tail-off after, drive filter core 18 compared with housing 12 inside housing 12 by the driving mechanism that is connected with filter core 18
Rotate so that the position of filter core 18 towards the air inlet 14 of housing 12 changes, so as to using the exhaust of vehicle by filter core 18
In particle blowout.
It is to be understood that in order to realize the regeneration of grain catcher 10, filter core 18 is in rotation correspondence in air inlet
14 and/or the position of exhaust outlet 16 should be different, in this way, after vehicle is again started up, in the exhaust pathway of exhaust system
It the part of filter core 18 can be different.That is, the cleaner part of filter core 18 can be used to be filtered exhaust system.
Also, exhaust system is blown from another direction of filter core 18, can blow off the dust being attached on filter core, to reach again
Raw purpose.
In the above-described embodiments, can be revolved for being provided in the grain catcher of vehicle exhaust system inside housing 12
The filter core 18 turned, when filter core 18 is blocked by dust, filter core 18 can the rotation in the housing 12, so when being again started up vehicle
When, the gas blown out in exhaust system can be from another direction by filter core 18, so as to which the dust in filter core 18 be blown out；And
Particle in exhaust is still trapped in filter core 18, is so extended dismounting cleaning filter core 18 and is replaced the cycle of filter core 18,
Economize on vehicle cost.Simultaneously so that the structure of grain catcher 10 is simplified, manufacture cost is reduced.
It should be noted that regeneration refers to that the filter core 18 of grain catcher rotates herein, and make the gas of exhaust system
Filter core 18 is blown into from another direction, so that the process for the particulate matter discharge adsorbed in filter core 18.This is equivalent to existing vehicle
When carrying out grain catcher regeneration, filter core 18 is dismantled, and is dried from gas outlet 16 into filter core 18, by filter core 18
Grain blowout achievees the purpose that clean filter core；Or by additional component to the particle in filter core 18 carry out chemical reaction so as to
So that particle is processed so that the situation that filter core 18 can reuse.
According to one embodiment of present invention, it is to include that regeneration step 120, which can be further described,：Drive 18 turns of filter core
It is dynamic, so that filter core 18 is towards the partial turn of air inlet 14 to the exhaust outlet 16 towards housing.In this way, perform regeneration step 120
Afterwards, exhaust system filter core 18 that is partially toward of filter core 18 towards air inlet 14 before regeneration step 120 is performed is passed through gas, with
Blowout is attached to the particle in filter core 18.
According to one embodiment of present invention, it is to include that regeneration step 120, which can be further described,：Drive 18 turns of filter core
It is dynamic so that filter core 18 is towards the partial turn of exhaust outlet 16 to the air inlet 14 towards housing.
According to one embodiment of present invention, as shown in figure 5, before regeneration step 120 is carried out, mileage is further comprised
Detecting step 104：After engine start 102, the cycle mileage of vehicle traveling is detected and by cycle mileage with presetting
Mileage is compared；And if cycle mileage is more than or equal to default mileage, perform regeneration step；Otherwise back pressure detection is performed
Step 106.
According to one embodiment of present invention, cycle mileage can be in being travelled after rotating the grain catcher last time
Journey；Or cycle mileage can be the mileage that grain catcher travels before rotating for the first time.That is, cycle mileage can be with
It is that grain catcher is before first time rotates after vehicle release, the mileage of vehicle traveling；Can also be after upper once rotation
The mileage of actual travel.However, it should be understood that default mileage can be set as according to particular condition in use as described above
Any suitable milimeter number, the present invention is not to this specific limitation of progress.
According to one embodiment of present invention, with continued reference to Fig. 5, back pressure detecting step as described above can be described as
106 further comprise：The current back pressure of grain catcher 10 is detected and by current back pressure compared with default back pressure；
And if current back pressure is more than or equal to default back pressure, perform regeneration step 120；Otherwise mileage detecting step 104 is performed.
That is whether regeneration step 120 is performed with two standard determinations by mileage detecting step 104 and back pressure detecting step 106,
It may further ensure that and the particle adhered in filter core 18 is cleared up in time.
According to one embodiment of present invention, before regeneration step 120 is performed, further comprise that engine condition detects
Step 108.The step can be described as including the current operating conditions of detection engine；And work as and detect tail-off
After 110, regeneration step 120 is performed；Otherwise the current operating conditions of detection engine are repeated.That is, for peace of driving a vehicle
Entirely, it is necessary to ensure that regeneration step 120 can just perform after the engine is shut off, be carried out again to avoid under engine start state
Raw step 120 influences the gas discharge of exhaust system.
Exemplary description is carried out to one embodiment of renovation process of the present invention in conjunction with Fig. 5.It should be appreciated that following implement
Example is only an example of the present invention, and some of which step can be omitted or reconfigure not to be shown in the present invention with being formed
The other examples gone out.Therefore, following instance does not form any restriction to the present invention.
As shown in figure 5, after vehicle motor starts 102, ECU (the Electronic Control of such as vehicle
Unit, electronic control unit) control unit of system starts simultaneously, to carry out various detections and driving grain catcher operation
Action.
After vehicle starts running, as indicated at block 104, control unit starts to be detected the distance travelled of vehicle；
Reach default mileage or more than default fare register when detecting that vehicle travels, start to be detected engine condition, work as detection
Default fare register has not yet been reached to vehicle traveling, then the back pressure of vehicle motor is detected, as shown in step 106.If
Actual back pressure reaches default back pressure, then illustrates that grain catcher is regenerated, and turns now to detection engine condition；And such as
Fruit back pressure does not transfinite, then repeats to detect the distance travelled of vehicle again.
Then, the engine condition (as shown at step 1 08) of control unit for vehicle detection vehicle, to confirm starting for vehicle
Whether machine closes, as shown at step 110.If engine is turned off, illustrate the conditions permit of regeneration step, then control unit
After receiving instruction grain catcher is controlled to carry out regeneration step 120；If engine is not yet closed, engine is continued to monitor
State, until its closing.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (20)
1. a kind of grain catcher for vehicle exhaust system, which is characterized in that including：
It is provided with the housing of air inlet and exhaust outlet, is arranged on the in vivo filter core of the shell and the drive being connected with the filter core
Motivation structure,
Wherein, the driving mechanism is configured to that the filter core is driven to rotate in the enclosure interior compared with the housing.
2. grain catcher according to claim 1, which is characterized in that the filter core has inlet end and exhaust end, and
And the driving mechanism be further configured to drive the filter core compared with the housing between the first position and the second position
It rotates,
Wherein, the air inlet and the exhaust outlet are respectively facing in the first position, the inlet end and the exhaust end；
And in the second position, the inlet end and the exhaust end are respectively facing the exhaust outlet and the air inlet.
3. grain catcher according to claim 1, which is characterized in that the housing further comprise first end face, with
The opposite second end face of the first end face and the cylindrical surface for connecting the first end face and the second end face,
Wherein, the air inlet and the exhaust outlet are separately positioned on the cylindrical surface.
4. grain catcher according to claim 3, which is characterized in that the driving mechanism is further configured to driving institute
The pivot axis that filter core is stated around the filter core rotates, and the pivot axis is overlapped with the axis on the cylindrical surface.
5. grain catcher according to claim 4, which is characterized in that the filter core is further configured to inlet end
With the cylindrical structural of exhaust end, and the inlet end and the exhaust end are spaced to turn up the soil and are arranged on the cylindrical knot
On the cylindrical surface of structure.
6. grain catcher according to claim 1, which is characterized in that the driving mechanism further comprises：
Motor on the housing is set；
By the pinion gear of motor driving rotation, the pinion gear is disposed in the housing；And
The gear ring for being connected with the filter core and being engaged with the pinion gear, the gear ring is disposed in the housing and can be described
The filter core is driven to be rotated in the housing under the driving of pinion gear.
7. grain catcher according to claim 6, which is characterized in that the pivot center of the pinion gear, the gear ring
Pivot center and the filter core pivot center it is parallel to each other.
8. grain catcher according to claim 3, which is characterized in that the cylindrical surface of the housing further comprises
The first annular track being connected with the first end face and the second circular orbit being connected with the second end face, wherein, institute
Stating filter core can rotate along the first annular track and second circular orbit.
9. grain catcher according to claim 8, which is characterized in that the first annular track and second annular
At least one be provided in track rolls the idler wheel connected with the edge of the filter core.
10. grain catcher according to claim 1, which is characterized in that the filter core includes：
Shell, the shell are provided with inlet end and exhaust end；
Core in the housing is accommodated, the core is connected with the inlet end and the exhaust end；And
Packing material, the packing material are filled between the inner wall of the shell and the core.
11. grain catcher according to claim 10, which is characterized in that the core include at least ceramic material and/
Or metal material, the packing material include at least expanded material.
12. grain catcher according to claim 1, which is characterized in that the air inlet and the exhaust outlet phase each other
The both sides of the housing are arranged on over the ground.
13. grain catcher according to claim 12, which is characterized in that the filter core is rotated in the enclosure interior
Line between pivot center and the air inlet and the exhaust outlet is at an angle of setting.
14. a kind of carry out regeneration method to grain catcher any one of claim 1 to 13, which is characterized in that bag
It includes：
Regeneration step：After the tail-off of vehicle, the filter core phase is driven by the driving mechanism being connected with the filter core
It is rotated for the housing in the enclosure interior, so that the position of the filter core towards the air inlet of the housing becomes
Change, so as to be blown out the particle in the filter core using the exhaust of the vehicle.
15. according to the method for claim 14, which is characterized in that the regeneration step further comprises：Drive the filter
Core rotate so that the filter core towards the air inlet partial turn to towards the housing exhaust outlet.
16. according to the method for claim 15, which is characterized in that the regeneration step further comprises：Drive the filter
Core rotate so that the filter core towards the exhaust outlet partial turn to towards the housing air inlet.
17. according to the method for claim 14, which is characterized in that before the regeneration step is carried out, further comprise
Mileage detecting step：
After the engine start, the cycle mileage of vehicle traveling is detected and by the cycle mileage with presetting
Mileage is compared；And
If the cycle mileage is more than or equal to the default mileage, the regeneration step is performed；Otherwise back pressure detection is performed
Step.
18. according to the method for claim 17, which is characterized in that the cycle mileage is last for the grain catcher
The mileage travelled after rotation；Or the mileage that the cycle mileage travels for the grain catcher before rotating for the first time.
19. according to the method for claim 17, which is characterized in that the back pressure detecting step further comprises：
The current back pressure of the grain catcher is detected and by the current back pressure compared with default back pressure；And
If the current back pressure is more than or equal to the default back pressure, the regeneration step is performed；Otherwise the mileage is performed
Detecting step.
20. according to the method for claim 19, which is characterized in that before the regeneration step is performed, further comprise
Engine condition detecting step：
Detect the current operating conditions of the engine；And
After the tail-off is detected, the regeneration step is performed；Otherwise repeat to detect the current of the engine
Operating status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990909.5A CN108071448A (en) | 2016-11-10 | 2016-11-10 | For the grain catcher and its renovation process of vehicle exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990909.5A CN108071448A (en) | 2016-11-10 | 2016-11-10 | For the grain catcher and its renovation process of vehicle exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108071448A true CN108071448A (en) | 2018-05-25 |
Family
ID=62153569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990909.5A Withdrawn CN108071448A (en) | 2016-11-10 | 2016-11-10 | For the grain catcher and its renovation process of vehicle exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108071448A (en) |
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| CN111828135A (en) * | 2020-06-08 | 2020-10-27 | 江苏大学 | GPF oxygen pump auxiliary regeneration device and method of coupled bipolar charge coagulation system |
| CN113153494A (en) * | 2021-05-14 | 2021-07-23 | 中南林业科技大学 | Ash self-cleaning wall-flow type spherical particle catcher |
| CN113882935A (en) * | 2021-09-24 | 2022-01-04 | 中国第一汽车股份有限公司 | Particulate matter collection device |
| CN115726864A (en) * | 2022-10-18 | 2023-03-03 | 黄山天之都环境科技发展有限公司 | Detachable diesel exhaust purification treatment CDPF regenerating unit |
| CN117231326A (en) * | 2023-11-01 | 2023-12-15 | 南京开特环保科技有限公司 | Automobile exhaust particle trapping device |
| CN117404156A (en) * | 2023-10-20 | 2024-01-16 | 济南市机动车污染防治中心 | Particle catcher |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828135A (en) * | 2020-06-08 | 2020-10-27 | 江苏大学 | GPF oxygen pump auxiliary regeneration device and method of coupled bipolar charge coagulation system |
| CN111828135B (en) * | 2020-06-08 | 2021-11-23 | 江苏大学 | GPF oxygen pump auxiliary regeneration device and method of coupled bipolar charge coagulation system |
| CN113153494A (en) * | 2021-05-14 | 2021-07-23 | 中南林业科技大学 | Ash self-cleaning wall-flow type spherical particle catcher |
| CN113882935A (en) * | 2021-09-24 | 2022-01-04 | 中国第一汽车股份有限公司 | Particulate matter collection device |
| CN115726864A (en) * | 2022-10-18 | 2023-03-03 | 黄山天之都环境科技发展有限公司 | Detachable diesel exhaust purification treatment CDPF regenerating unit |
| CN115726864B (en) * | 2022-10-18 | 2023-07-11 | 黄山天之都环境科技发展有限公司 | Detachable diesel exhaust purifying treatment CDPF regenerating unit |
| CN117404156A (en) * | 2023-10-20 | 2024-01-16 | 济南市机动车污染防治中心 | Particle catcher |
| CN117404156B (en) * | 2023-10-20 | 2024-05-28 | 济南市机动车污染防治中心 | Particle catcher |
| CN117231326A (en) * | 2023-11-01 | 2023-12-15 | 南京开特环保科技有限公司 | Automobile exhaust particle trapping device |
| CN117231326B (en) * | 2023-11-01 | 2024-03-08 | 南京开特环保科技有限公司 | Automobile exhaust particle trapping device |
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Application publication date: 20180525 |