CN115320726A - Automobile tire wear particle collection structure - Google Patents
Automobile tire wear particle collection structure Download PDFInfo
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- CN115320726A CN115320726A CN202210973173.6A CN202210973173A CN115320726A CN 115320726 A CN115320726 A CN 115320726A CN 202210973173 A CN202210973173 A CN 202210973173A CN 115320726 A CN115320726 A CN 115320726A
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- 239000002245 particle Substances 0.000 title claims abstract description 85
- 238000001179 sorption measurement Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 13
- 238000005299 abrasion Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 239000013618 particulate matter Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
- B62D25/18—Parts or details thereof, e.g. mudguard flaps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention provides an automobile tire abrasion particle collecting structure which comprises a first collecting channel and a second collecting channel, wherein the first collecting channel and the second collecting channel are respectively arranged on the rear side and the front upper side of an automobile tire housing; a second inlet and a second outlet are arranged on the inner side wall of the second collecting channel at intervals; the particle adsorption parts are detachably covered on each inner side wall of the first collection channel and the second collection channel. The invention provides an automobile tire wear particle collecting structure.A proper trapping channel is arranged on a particle scattering path, so that wear particles can be trapped after entering the channel to the maximum extent, harmful wear particles are reduced from being scattered into the atmosphere, the pollution to the atmosphere is reduced, and meanwhile, road surface dust particles can be trapped, and the dust pollution is reduced.
Description
Technical Field
The invention relates to the technical field of automobile tire wear collection, in particular to an automobile tire wear particle collection structure.
Background
With the implementation of new energy vehicles and strict fuel emission standards, the pollution of pollution particles caused by non-combustion emission in the traffic field to the environment is more and more important. Tire wear particulate matter belongs to the non-burning pollutant of emission in the field of transportation, and it not only contains tread component particle, still includes tire and road surface volatile matter and the derived aggregate particulate matter that produces after tire and road surface high temperature friction, and these particulate matters volatilize in the air and will also take place to congeal and form aerosol particle with some atmospheric particulates. The particles and derived particles generated after the tire is worn can release more than 50 chemical substances into the atmosphere, have toxicity, and cause certain potential hazards to the formation of atmospheric pollution, soil pollution, the survival of freshwater organisms and human health.
The wear particles of the tire and the derived particles thereof are stripped from the tire tread, are separated from the interface, are acted by a plurality of airflow fields and are volatilized into the atmosphere, and are always along with the whole service life cycle of the tire; therefore, if the tire wear particles which are separated from the ground contact interface can be captured (collected and caught) in time, and the tire wear particles can be volatilized into the atmosphere as little as possible, the significance on reducing the secondary pollution caused by the tire wear can be achieved, and the positive effects on improving the environmental quality and the ecological environment can be achieved.
At present, most of researches aiming at reducing rubber particles are to change the rubber performance by changing the rubber formula and the like so as to improve the wear resistance of the rubber and reduce the rubber wear particles; in addition, the research finds that the particulate matters are mainly concentrated at the front upper positions of the wheels under the action of corresponding airflow fields when the automobile runs at low speed, namely the speed V is less than 60km/h, along with the running of the automobile in the space between the outer part of the automobile tire and the housing; when the automobile runs at a high speed, namely the speed V is more than 60km/h, the particulate matters are mainly concentrated at the rear side of the wheels under the action of a corresponding airflow field because the speed is higher; the market has not found that the collection of the tire wear particles can be realized by arranging a special collecting device, and particularly, the collection with higher efficiency can be realized when an automobile runs at low speed or high speed.
Disclosure of Invention
The invention solves the problem that in order to overcome at least one defect in the prior art, the invention provides the automobile tire abrasion particulate matter collecting structure, the appropriate collecting channel is arranged on the particulate matter scattering path, and the abrasion particulate matter can be collected after entering the channel to the maximum degree no matter the automobile runs at low speed or high speed, so that the harmful abrasion particulate matter is reduced to be scattered into the atmosphere, the pollution to the atmosphere is reduced, meanwhile, the pavement dust particles can be collected, and the dust pollution is reduced.
In order to solve the problems, the invention provides a vehicle tire wear particle collection structure, which comprises a first collection channel arranged on the rear side of a vehicle tire housing, wherein a first inlet of the collection channel is positioned at the rear upper position of the housing, and a first outlet of the collection channel is vertically downward and extends to the lower end surface of the housing;
the second collecting channel is arranged above the front part of the housing, and a second inlet and a second outlet which are communicated with the inner cavity of the second collecting channel are arranged on the side wall, close to the automobile tire, of the second collecting channel at intervals along the circumferential direction of the tire;
all cover on the each inside wall of first collection passageway, second collection passageway and be equipped with detachable particle adsorption component.
Compared with the prior art, the particulate matter trapping device has the following advantages:
according to the automobile tire wear particle collection structure, the collection efficiency is fully considered, the automobile structure is considered, the existing automobile can be modified at low cost, and the practicability is good; the trapping device has a simple structure, only a first collecting channel is arranged on a position, close to the rear side, of an automobile tire housing, a first inlet of the first collecting channel is arranged at the rear upper position of the housing, a first outlet is vertically arranged downwards, in addition, the collecting structure also comprises a second collecting channel arranged on the front upper position of the housing, and the second collecting channel is provided with a second inlet and a second outlet at intervals along the circumferential direction of the tire, namely, the air flow outside the tire enters along the second inlet in the advancing process of the automobile, then flows out from the second outlet, then continues to enter from the first inlet and is discharged from the first outlet, and due to the fact that corresponding particle adsorption parts are uniformly distributed on the inner side walls of the first collecting channel and the second collecting channel, most of tire wear particles flowing along with the air flow are adsorbed on the particle adsorption parts in the two collecting channels so as to achieve a better trapping effect; harmful wear particles are reduced and dispersed into the atmosphere, so that the pollution of the wear particles to the atmosphere is reduced.
As an improvement, the first collecting channel comprises a first outer shell and an inner cover plate, wherein the inner cavity of the first outer shell is open at one side and the lower end in the direction towards the automobile tire, the inner cover plate is detachably mounted on the open side of the first outer shell in the direction towards the automobile tire, a space is left between the upper end of the inner cover plate and the upper edge of the first outer shell to form the first inlet, and the lower end of the inner cover plate is flush with the lower edge of the first outer shell to form the first outlet; the inner wall of the cavity enclosed by the first outer shell and the inner cover plate is a curved surface, and the inner wall of the cavity is covered with detachable particle adsorption pieces. In the above-mentioned improved structure, first collection passageway sets to two part formula structures and both made things convenient for processing, can realize dismantling again, makes things convenient for the absorbent dismouting of granule to change.
The first shell is provided with a plurality of first connecting holes which are distributed along the circumferential direction of the first shell; the inner cover plate is embedded in the opening end, facing the automobile tire, of the first shell body in the thickness direction of the plate, limiting skirtboards are arranged on two sides of the front end of the inner cover plate in the thickness direction of the plate and abut against the installation skirtboards, and second connecting holes corresponding to the corresponding first connecting holes are formed in the limiting skirtboards. In the above-mentioned improvement structure, interior apron and first shell body need not be in advance connected together, is being connected first shell body and housing fixedly in, can realize that the synchronous connection of interior apron and first shell body is fixed, and is simple, high-efficient.
And the inner cover plate is arranged in the inner cavity of the first outer shell, the limiting skirtboard is arranged in the inner cavity of the first outer shell, and the outer end of the inner cover plate in the thickness direction is arranged in the inner cavity of the first outer shell. In the above-mentioned improvement structure, the location step is used for spacing to interior apron mounted position, guarantees the structural strength after the installation.
In another improvement, the horizontal angle β 1 of the lower edge of the first inlet with respect to the center of the automobile tire is 40 ° -70 °, and the horizontal angle β 2 of the upper edge of the first inlet with respect to the center of the automobile tire is 65 ° -95 °. In the above improved structure, the angular position of the first inlet is accurately defined, ensuring the optimum trapping efficiency.
In another improvement, the second collecting channel comprises a second outer shell, and both an inner side plate and an outer side plate which are distributed on the second outer shell along the radial direction of the automobile tire are curved plates which are arranged along the circumferential direction of the tire, and both ends of the outer side plate and both ends of the inner side plate are connected through arc-shaped end plates; the inner side plate is provided with an opening facing the center of the automobile tire, and the middle part of the opening is provided with an arc-shaped panel, so that a second inlet and a second outlet are respectively formed between two ends of the arc-shaped panel and two sides of the opening. In the above-mentioned improvement structure, second collection channel overall structure is the arc structure, accords with the orbit of fluid motion more, reduces the resistance when the air current passes, guarantees that the air current of more dispersed particles gets into the second and collects the passageway, then adsorbs most particulate matter on corresponding granule absorption piece.
In another improvement, the central position of the second inlet corresponds to a horizontal angle β 4=125 ° to 145 °, the central position of the second outlet corresponds to a horizontal angle β 3, and β 4- β 3=20 ° to 40 °, and the opening angles of the second inlet and the second outlet are both 0 ° to 30 °. In the above-described modified structure, the angular position of the second inlet is precisely defined to ensure the optimum trapping efficiency.
In another improvement, the lower part of the inner cover plate is further provided with a lower concave part recessed towards the center of the first collecting channel, a groove with both an open front end and an open lower end is formed between the lower concave part and two side walls of the first outer shell, an auxiliary baffle is connected to an opening part at the front end of the groove, an auxiliary collecting channel is formed between the auxiliary baffle and the groove, a gap is reserved between the upper edge of the auxiliary baffle and the upper edge of the groove to form an auxiliary inlet, and the lower edge of the auxiliary baffle extends to be flush with the lower end face of the inner cover plate, so that the lower end of the auxiliary collecting channel forms an auxiliary outlet communicated with the auxiliary inlet; all detachable covers on each inner wall of auxiliary passage and is equipped with the granule absorption piece. In the improved structure, the position area at the rear side of the automobile tire is provided with the first inlet at the upper end of the first collecting channel, and the auxiliary inlet is additionally arranged at the lower end of the first collecting channel and at one side close to the automobile tire, so that the particle collecting efficiency is effectively improved.
In a further improvement, when the first collecting channel is applied to a front wheel of an automobile, the horizontal angle beta 6 of the upper edge of the auxiliary inlet relative to the center of the automobile tire is 5 to 25 degrees, and the horizontal angle beta 5 of the lower edge of the auxiliary inlet relative to the center of the automobile tire is-15 to 5 degrees; when the first collecting channel is applied to a rear wheel of an automobile, the horizontal angle beta 6 of the upper edge of the auxiliary inlet relative to the center of the automobile tire is between 20 and 40 degrees, and the horizontal angle beta 5 of the lower edge of the auxiliary inlet relative to the center of the automobile tire is between 0 and 20 degrees; the upper end surface of the groove is a curved surface. In the improved structure, the angle position of the first inlet is accurately arranged, so that more particulate matters can enter the corresponding auxiliary collecting channel under the action of an airflow field between the outer side of the tire and the housing, and the direct emission of the particulate matters to the atmosphere is reduced to the maximum extent; the upper end surface of the other groove is a curved surface, so that the resistance of an airflow field is reduced, and the collection of particles is facilitated.
As a preferable structure, the particle adsorption part is an electrostatic adsorption film, and the electrostatic adsorption film is electrically connected with an electrostatic generator arranged in an automobile cab. In the structure, the electrostatic generator of the cockpit can lead the electrostatic adsorption film to be charged with static electricity to collect the automobile tire abrasion particles in the channel; when the automobile is started, the static generator starts to work; when the automobile stops, the electrostatic generator stops working, and the particles on the electrostatic adsorption film are separated from the adsorption film and are precipitated to the ground; the automobile is automatically cleaned before the next automobile is started, and the green recycling effect is achieved.
Drawings
Fig. 1 is a schematic view of a second embodiment of an automobile tire wear particle collection structure according to the present invention applied to a front wheel of an automobile;
FIG. 2 is a block diagram of an embodiment of an automobile tire wear particle collection structure of the present invention;
FIG. 3 is another perspective view of the structure of FIG. 2;
FIG. 4 is an exploded view of a first collection channel of the present invention;
FIG. 5 is a view showing the structure of a first collecting channel in a second structure according to the embodiment of the present invention;
FIG. 6 is a block diagram of the first collecting channel of FIG. 5 without the auxiliary baffle;
FIG. 7 is an enlarged view of the structure at X in FIG. 6;
FIG. 8 is a cross-sectional view of the first collection channel and the auxiliary channels of the present invention;
FIG. 9 is a cross-sectional view of a second embodiment of an automobile tire wear particle collection structure of the present invention;
FIG. 10 is a rear elevational view of the vehicle tire wear particle collection structure of FIG. 5;
FIG. 11 is a graph showing the trapping rate of particulate matter in three collecting channels according to the present invention as a function of the traveling speed of the vehicle.
Description of reference numerals:
1. a first collection channel; 2. a first inlet; 3. a first outlet; 4. a first outer case; 4.1, installing a skirtboard; 4.2, a first connecting hole; 4.3, positioning a step; 4.4, positioning the slot; 5. an inner cover plate; 5.1, limiting the skirtboard; 5.2, a second connecting hole; 6. a groove; 6.1, curved surface; 7. an auxiliary baffle; 8. an auxiliary collection channel; 9. an auxiliary inlet; 10. an auxiliary outlet; 11. a particle adsorbing member; 12. a second collection channel; 13. an arcuate panel; 13.1, a fourth connecting hole; 14. a second inlet; 15. a second outlet; 16. a second outer housing; 17. an inner side plate; 17.1, a third connecting hole; 18. an outer panel; 19. an arc-shaped end plate; 20. an electrostatic generator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear and fully described, the following describes the structure of collecting wear particles of an automobile tire in further detail with reference to the accompanying drawings. Here, the exemplary embodiments of the present invention and the description thereof are used to explain the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive effort, shall fall within the scope of protection of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.
It should be emphasized that the term "comprises/comprising/comprises/having" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.
In the description of the present invention, it is to be understood that the terms "center", "width", "height", "thickness", "front side", "rear side", "inner wall", "upper end", "lower end", "inner, outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and the actual directions and relative positions of the respective components may be changed accordingly depending on the position where an observer is located.
The first embodiment is as follows:
as shown in fig. 1, 2 and 3, the present invention provides a structure for collecting particulate matters from automobile tire wear, which comprises a first collecting channel 1 installed on an automobile tire housing and presenting an arc shape as a whole, wherein the upper end and the lower end of the first collecting channel 1 are respectively provided with a first inlet 2 and a first outlet 3 which are communicated with each other; the inner side wall and the outer side wall of the first collecting channel 1 along the radial direction of the tire are curved surfaces, preferably, the curved surfaces are matched with the curvature of the housing, and the upper ends of the curved surfaces are in tangential connection with the lower end part of the first inlet 2 through a quarter circular arc section; the outer side wall of the first collecting channel 1 along the radial direction of the tire comprises a first arc-shaped surface matched with the curvature of the housing and a second arc-shaped surface extending to the upper end part of the first inlet 2, and in the structure, the included angle alpha between the tangential direction of the outer side wall of the second arc-shaped surface and the radius line between the upper end of the first inlet 2 and the center of the tire is between 90 and 180 degrees, and preferably alpha is 120 degrees. In the structure, the first inlet 2 of the first collecting channel 1 is positioned at the rear upper position of the housing, and the first outlet 3 of the first collecting channel 1 faces downwards vertically and extends to the lower end surface of the housing; in addition, each inner side wall of the first collecting channel 1 is covered with a detachable particle adsorption part 11, a first mounting groove is formed in the position, close to the advancing direction of an automobile tire, of an automobile tire housing during mounting, the first collecting channel 1 is detachably embedded in the first mounting groove along the radial rear side of the tire, a first inlet 2 of the first collecting channel 1 is communicated with a cavity between the inner wall of the housing and the outside of the automobile tire after mounting, and a first outlet 3 penetrates through the lower end face of the housing to the external environment, so that tire wear particles can enter the first collecting channel 1 from the first inlet 2 along with air flow during the driving process of the automobile, most of the tire wear particles are adsorbed on the particle adsorption part 11, and a small amount of particles are discharged from the first outlet 3 along with the air flow; in addition, the detachable hair installation mode is convenient for later replacement and disassembly.
In order to further improve the trapping efficiency of the particulate matters, the collecting structure further comprises a second collecting channel 12, a second mounting groove for embedding the second collecting channel 12 is correspondingly arranged at the front upper position of the housing, a second inlet 14 and a second outlet 15 which are communicated with the inner cavity of the second collecting channel 12 are arranged on one side wall of the second collecting channel 12 close to the automobile tire at intervals along the circumferential direction of the tire, the second inlet 14 is arranged at the front side of the advancing direction of the automobile, and the second outlet 15 is arranged at the rear side of the advancing direction of the automobile; and the particle adsorbing members 11 are detachably covered on the inner side walls of the first collecting channel 1 and the second collecting channel 12. In the structure, the air current outside the tire firstly enters along the second inlet 14 in the automobile advancing process, then flows out from the second outlet 15, then continuously enters from the first inlet 2, and is discharged from the first outlet 3, because the inner side walls of the first collecting channel 1 and the second collecting channel 12 are uniformly provided with the corresponding particle adsorption pieces 11, most of the tire abrasion particles flowing along with the air current are adsorbed on the particle adsorption pieces 11 in the two collecting channels, the harmful abrasion particles are reduced to be dispersed into the atmosphere, the pollution to the atmosphere is reduced, meanwhile, the two channels can also collect the road surface dust particles, and the dust pollution is reduced.
More specifically, in order to facilitate the disassembly, assembly and replacement of the particle adsorbing member 11 in the first collecting channel 1, the first collecting channel 1 in this embodiment is configured as a detachable structure, that is, the first collecting channel 1 includes a first outer shell 4 and an inner cover plate 5, wherein one side and a lower end of an inner cavity of the first outer shell 4 facing the direction of the automobile tire are both open, and a rear side wall of the first outer shell 4 and the inner cover plate 5 are both curved surfaces; the inner cover plate 5 is detachably arranged on the opening side of the first outer shell 4 facing the automobile tire, a space is reserved between the upper end of the inner cover plate 5 and the upper edge of the first outer shell 4 to form a first inlet 2, and the lower end of the inner cover plate 5 is flush with the lower edge of the first outer shell 4 to form a first outlet 3; the cavity that first shell body 4 and inner cover plate 5 enclose is the curved surface along each inner wall of tire circumference, and all covers on the inside wall of cavity and is equipped with detachable granule absorption piece 11. First collection passageway 1 sets to two part formula structures in this structure and both has made things convenient for processing, can realize dismantling again, makes things convenient for the dismouting change of granule absorption piece 11.
In the structure, in order to facilitate the installation of the integral first collecting channel 1 and a housing on the circumferential outer side of the automobile tire, the opening parts of the first outer shell 4 facing the automobile tire are provided with installation skirts 4.1 which are folded outwards, and the installation skirts 4.1 are provided with a plurality of first connecting holes 4.2 distributed along the circumferential direction; the inner cover plate 5 is embedded in the opening end, facing the automobile tire, of the first outer shell 4 along the thickness direction of the plate, limiting skirtboards 5.1 are arranged on two sides of the front end of the inner cover plate 5 along the thickness direction of the plate, the limiting skirtboards 5.1 are abutted against the mounting skirtboards 4.1, and second connecting holes 5.2 corresponding to the corresponding first connecting holes 4.2 are formed in the limiting skirtboards 5.1; in the structure, the inner cover plate 5 and the first outer shell 4 do not need to be connected together in advance, and when the first outer shell 4 and the housing are connected and fixed, the inner cover plate 5 and the first outer shell 4 can be synchronously connected and fixed, so that the structure of the whole first collecting channel 1 is simplified, and the installation process is saved, as shown in fig. 3 and 4. In this embodiment, as shown in fig. 10, the width S of the skirt board 4.1 is preferably not less than 10 mm and not more than 50mm, which facilitates the arrangement of the first connection hole 4.2 and ensures the structural strength after being connected to the first outer housing 4.
On the other hand, in order to further ensure the stability of the connection structure between the inner cover plate 5 and the first outer housing 4, when the inner cover plate 5 is impacted by small stones in the running process of the automobile, the acting force is easily concentrated at the corner connection position of the limiting skirt plate 5.1 and the inner side plate 5, and in order to avoid the risk of fracture at the corner position, in this embodiment, a positioning step 4.3 is arranged on the inner side wall of the first outer housing 4 facing the opening end of the automobile tire, and when the inner cover plate 5 is embedded in the inner cavity of the first outer housing 4, the outer end of the inner cover plate 5 in the thickness direction abuts against the positioning step 4.3, as shown in fig. 3; after setting up like this, when interior apron 5 receives radial effect, the power can not all concentrate on spacing skirtboard 5.1 and interior apron 5's linking corner position, and location step 4.3 can undertake most effort to effectively promote the stability and the life of interior apron 5 in the use. In addition, in order to ensure the sealing effect of the first collecting channel 1 in the structure, a rubber sealing gasket can be placed at the positioning step 4.3 during installation.
In addition, as shown in fig. 9, in order to further improve the particle trapping effect, through continuous experimental comparison, when the horizontal angle β 1 of the lower edge of the first inlet 2 relative to the center of the automobile tire is between 40 ° and 70 °, and the horizontal angle β 2 of the upper edge of the first inlet 2 relative to the center of the automobile tire is between 65 ° and 95 °, the first collecting channel 1 is better for trapping the tire wear particles, wherein the effect is the best when β 1 is between 55 ° and β 2 is between 80 °.
Furthermore, considering the structure of the automobile, the thickness of the housing and the installation space, the dimension H1 of the inner cavity of the first collecting channel 1 in the thickness direction is preferably equal to or greater than 30 and equal to or less than 90mm, the width is preferably equal to or greater than 100 and equal to or less than 250mm, and the thickness dimension H of the whole first collecting channel 1 is preferably equal to or less than 170 mm.
In the above structure, as shown in fig. 3 and 9, the second collecting channel 12 includes a second outer casing 16, and both the inner side plate 17 and the outer side plate 18, which are distributed on the second outer casing 16 in the radial direction of the automobile tire, are curved plates arranged along the circumferential direction of the tire, and both ends of the outer side plate 18 and both ends of the inner side plate 17 are connected by an arc-shaped end plate 19, the arc-shaped end plate 19 in the structure is approximately a quarter arc structure and is an integral structure with the outer side plate 18; in addition, an opening is formed on the inner side plate 17, the opening faces to the center of the automobile tire, and an arc-shaped panel 13 is assembled in the middle of the opening, so that a second inlet 14 and a second outlet 15 are respectively formed between two end parts of the arc-shaped panel 13 and two sides of the opening.
Similarly, as shown in fig. 9, in order to sufficiently ensure the collection efficiency of the second collection channel 12, the positions of the second inlet 14 and the second outlet 15 are further optimally defined through repeated experiments, wherein the central position of the second inlet 14 corresponds to the horizontal angle β 4=125 ° to 145 °, the central position of the second outlet 15 corresponds to the horizontal angle β 3, and β 4- β 3=20 ° to 40 °, and the opening angles of the second inlet 14 and the second outlet 15 are both in the range of 0 ° to 30 °. . In the above angle range, through simulation tests of the air flow field between the outside of the tire and the housing during the operation of the automobile, it is found that the second collection channel 12 has the best collection efficiency for particles when β 4=140 °, β 4- β 3=30 °, that is, β 3=110 °, and the opening angles of the second inlet 14 and the second outlet 15 are 20 °.
The width of the second collecting channel 12 is consistent with that of the first collecting channel 1 in the structure; in addition, the height H3 of the second collecting channel 12 in the radial direction of the vehicle tire has the following dimensions: h3 is more than or equal to 30 mm and less than or equal to 80mm.
In the above structure, as shown in fig. 2 and 3, the arc-shaped panel 13 and the second outer shell 16 are positioned in an embedded manner, in addition, a skirt structure is provided at the circumferential outer edge of the inner panel 17, a plurality of third connecting holes 17.1 for connecting screws to pass through are opened on the skirt structure, specifically, a corresponding embedded groove (not shown in the figure) is provided at the middle position of the inner panel 17, the arc-shaped panel 13 is positioned and embedded in the embedded groove, and a corresponding fourth connecting hole 13.1 for connecting screws to pass through is also opened on the arc-shaped panel 13; therefore, before the second collecting channel 12 is fixedly installed on the housing, the arc-shaped panel 13 and the second housing 16 do not need to be fixed in advance through screw connection, and only two parts of structures need to be connected with the housing through corresponding connecting screws, so that the production cost is low, and the assembly and disassembly are convenient.
The second embodiment:
on the basis of the first embodiment, in order to further improve the trapping performance, as shown in fig. 5 to 8, in the present embodiment, a lower concave portion recessed toward the center of the collecting channel 1 is further provided at the lower portion of the inner cover plate 5, so that a groove 6 with both open front end and lower end is formed between the lower concave portion and both side walls of the first outer shell 4, and an auxiliary baffle 7 is further connected to a front end opening portion of the groove 6, an auxiliary collecting channel 8 is formed between the auxiliary baffle 7 and the groove 6, and a space is left between an upper edge of the auxiliary baffle 7 and an upper edge of the groove 6 in the above structure to form an auxiliary inlet 9, and a lower edge of the auxiliary baffle 7 extends to be flush with a lower end surface of the inner cover plate 5, so that a lower end of the auxiliary collecting channel 8 forms an auxiliary outlet 10 communicated with the auxiliary inlet 9; in addition, in order to realize the adsorption of the particles in the auxiliary collecting channel 8, a particle adsorbing member 11 is detachably attached to each inner wall of the auxiliary collecting channel 8.
In the above structure, as shown in fig. 6 and 7, the lower end positions of the two side walls of the first outer shell 4 are both provided with the positioning slots 4.4 for the insertion and matching of the lower ends of the inner cover plates 5, so as to ensure the structural strength of the inner cover plates 5 after being connected with the first outer shell 4.
In addition, in the above structure, the inner cover plate 5 may be in the form of an integral thick plate; the structure can be a hollow structure, so that the requirement of light weight is met.
As shown in fig. 8 and 9, when the first collecting channel 1 is applied to the front wheel of an automobile, the horizontal angle β 6 of the upper edge of the auxiliary inlet 9 relative to the center of the automobile tire is 5 ° -25 °, and the horizontal angle β 5 of the lower edge of the auxiliary inlet 9 relative to the center of the automobile tire is-15 ° -5 °; wherein the particle trapping effect is optimal when beta 6=15 degrees and beta 5= -5 degrees; when the first collecting channel 1 is applied to a rear wheel of an automobile, the horizontal angle beta 6 of the upper edge of the auxiliary inlet 9 relative to the center of the automobile tire is between 20 and 40 degrees, the horizontal angle beta 5 of the lower edge of the auxiliary inlet 9 relative to the center of the automobile tire is between 0 and 20 degrees, and the particle trapping effect is the best when the angle beta 6 is between 30 degrees and the angle beta 5 is 10 degrees. More specifically, in this embodiment, the up end of recess 6 sets up to curved surface 6.1, and curved surface structure windage is littleer, does benefit to the particulate matter more and gets into 1 inner chamber of first collection passageway and adsorbs.
In the structure, as shown in FIG. 10, the width of the auxiliary collecting channel 8 is the same as that of the first collecting channel 1, preferably W is more than or equal to 100 and less than or equal to 250 mm; in addition, the dimension H2 of the inner cavity of the auxiliary collecting channel 8 in the thickness direction is preferably more than or equal to 30 and less than or equal to 80mm.
In this embodiment, set up particle adsorption 11 into the electrostatic adsorption membrane, and the electrostatic adsorption membrane is connected with the electrostatic generator 20 electricity that sets up in the automobile cockpit, it is different with the rubber coating adsorption membrane in this kind of structure, can be through the adsorptivity of the adsorption membrane of can controlling at cockpit control electrostatic generator 20, in order to prevent the raise dust promptly at the automobile in-process of traveling, open electrostatic generator 20 and make the electrostatic adsorption membrane static, the granule that gets into in first collecting channel 1 this moment then can adsorb on the electrostatic adsorption membrane surface, when treating the automobile is in parking quiescent condition, close electrostatic generator 20 and make the electrostatic adsorption membrane static, the particulate matter can fall to ground voluntarily this moment, thereby can be fine avoid marcing the pollution to the air at the automobile in-process. In the structure, a driver operates the electrostatic generator 20 to charge the electrostatic adsorption film with static electricity so as to collect PM2.5-PM10 automobile tire abrasion particulate matters in the channel; and when the automobile is started, the electrostatic generator 20 starts to work; when the automobile stops, the electrostatic generator 20 stops working, and the particles on the electrostatic adsorption film are separated from the adsorption film and are precipitated to the ground; the automobile is automatically cleaned before the next automobile is started, and the green recycling effect is achieved.
In other embodiments, the particle adsorbing member 11 may also be a glued adsorption film directly, that is, the adsorption film itself has a function of adhering particles, and after the particles enter the first collecting channel 1, the particles are adhered by adsorption under the action of the viscosity on the surface of the adsorption film, and after the particle adsorbing member is used for a period of time, the first collecting channel 1 is removed to replace the glued adsorption film with a new one.
At present, no similar abraded particulate matter trapping device exists in the market, and the invention has the advantages that:
1. the trapping device gives full consideration to the trapping efficiency and the structure of the automobile, can modify the existing automobile at low cost, and has good practicability;
2. as shown in fig. 11, simulations and tests show that: when the automobile runs at a low speed, namely the automobile speed V is less than or equal to 60km/h, the tire wear particulate matters with the grain diameter of 2.5-10 mu m are mainly concentrated at the front upper positions of wheels under the action of an airflow field, under the low-speed state, the tire wear particulate matter trapping efficiency is 18-30% when a trapping device only comprises a first collecting channel 1, the tire wear particulate matter trapping efficiency is increased to 28-35% when the first collecting channel 1 and a second collecting channel 12 are combined, and the tire wear particulate matter trapping efficiency is highest when the first collecting channel 1, the second collecting channel 12 and an auxiliary collecting channel 8 and reaches 31-36%;
when the automobile runs at a high speed, namely the automobile speed is more than 60km/h, the tire wear particulate matter with the particle size of 2.5-10 microns is mainly concentrated at the rear side position of the wheel under the action of the airflow field due to the fact that the automobile speed is faster, in the high-speed state, the tire wear particulate matter trapping efficiency is 30-45% when the trapping device only comprises the first collecting channel 1, the tire wear particulate matter trapping efficiency is increased to 35-45% when the first collecting channel 1+ the second collecting channel 12 are combined, and the tire wear particulate matter trapping efficiency is 36-46% when the first collecting channel 1+ the second collecting channel 12+ the auxiliary collecting channel 8;
therefore, in summary, when the collecting structure comprises the first collecting channel 1, the auxiliary collecting channel 8 and the second collecting channel 12, the collecting structure has a relatively high particulate matter trapping rate in the whole process of the automobile running at low speed and high speed, so that harmful wear particulate matters are better reduced to be scattered into the atmosphere, and the pollution to the atmosphere is reduced.
3. The invention has simple structure, high cost performance and low manufacturing cost.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. A car tire wear particle collection structure is characterized in that: the device comprises a first collecting channel (1) installed on the rear side of an automobile tire housing, wherein a first inlet (2) of the first collecting channel (1) is located at the rear upper position of the housing, and a first outlet (3) of the collecting channel (1) faces downwards vertically and extends to the lower end face of the housing;
the automobile tire collecting device further comprises a second collecting channel (12) arranged in the front upper part of the housing, wherein a second inlet (14) and a second outlet (15) which are communicated with the inner cavity of the second collecting channel (12) are formed in the side wall, close to an automobile tire, of the second collecting channel (12) at intervals along the circumferential direction of the tire;
and each inner side wall of the first collecting channel (1) and the second collecting channel (12) is covered with a detachable particle adsorption piece (11).
2. The automobile tire wear particle collecting structure according to claim 1, wherein: the first collecting channel (1) comprises a first outer shell (4) and an inner cover plate (5), wherein the inner cavity of the first outer shell (4) is open at one side and the lower end in the direction of the automobile tire, the inner cover plate (5) is detachably mounted on the opening side of the first outer shell (4) in the direction of the automobile tire, a gap is reserved between the upper end of the inner cover plate (5) and the upper edge of the first outer shell (4) to form the first inlet (2), and the lower end of the inner cover plate (5) is flush with the lower edge of the first outer shell (4) to form the first outlet (3); the inner wall of the cavity enclosed by the first outer shell (4) and the inner cover plate (5) is a curved surface, and the inner wall of the cavity is covered with detachable particle adsorption pieces (11).
3. The automobile tire wear particle collection structure of claim 2, wherein: an opening part of the first outer shell (4) facing the automobile tire is provided with an installation skirtboard (4.1) which is turned over outwards, and the installation skirtboard (4.1) is provided with a plurality of first connecting holes (4.2) distributed along the circumferential direction of the installation skirtboard; the inner cover plate (5) is embedded in the opening end, facing the automobile tire, of the first outer shell (4) along the thickness direction of the plate, limiting skirtboards (5.1) are arranged on the two sides of the front end of the inner cover plate (5) along the thickness direction of the plate, the limiting skirtboards (5.1) are abutted against the installation skirtboards (4.1), and second connecting holes (5.2) corresponding to the corresponding first connecting holes (4.2) are formed in the limiting skirtboards (5.1).
4. The automobile tire wear particle collecting structure according to claim 3, wherein: the inner side wall of the opening end, facing the automobile tire, of the first outer shell (4) is provided with a positioning step (4.3), when the inner cover plate (5) is embedded in the inner cavity of the first outer shell (4), the limiting skirtboard (5.1) abuts against the installation skirtboard (4.1), and the outer end of the inner cover plate (5) in the thickness direction abuts against the positioning step (4.3).
5. The automobile tire wear particle collecting structure according to claim 2, wherein: the horizontal angle beta 1 of the lower edge of the first inlet (2) relative to the center of a circle of an automobile tire is 40-70 degrees, and the horizontal angle beta 2 of the upper edge of the first inlet (2) relative to the center of the automobile tire is 65-95 degrees.
6. The automobile tire wear particle collecting structure according to any one of claims 1 to 5, wherein: the second collecting channel (12) comprises a second outer shell (16), an inner side plate (17) and an outer side plate (18) which are distributed on the second outer shell (16) along the radial direction of the automobile tire are curved plates which are arranged along the circumferential direction of the automobile tire, and two ends of the outer side plate (18) are connected with two ends of the inner side plate (17) through arc-shaped end plates (19); an opening facing the center of the automobile tire is arranged on the inner side plate (17), an arc-shaped panel (13) is assembled in the middle of the opening, and a second inlet (14) and a second outlet (15) are formed between two ends of the arc-shaped panel (13) and two sides of the opening respectively.
7. The automobile tire wear particle collection structure of claim 6, wherein: the horizontal angle beta 4-beta 3 corresponding to the central position of the second inlet (14) is 125-145 degrees, the horizontal angle corresponding to the central position of the second outlet (15) is beta 3, and beta 4-beta 3 is 20-40 degrees; and the opening angles of the second inlet (14) and the second outlet (15) are both 0-30 degrees.
8. The automobile tire wear particle collection structure of claim 6, wherein: the lower portion of the inner cover plate (5) is further provided with a lower concave portion which is recessed towards the center of the first collecting channel (1), a groove (6) with the front end and the lower end both open is formed between the lower concave portion and two side walls of the first outer shell (4), an auxiliary baffle plate (7) is connected to the front end opening portion of the groove (6), an auxiliary collecting channel (8) is formed between the auxiliary baffle plate (7) and the groove (6), a gap is reserved between the upper edge of the auxiliary baffle plate (7) and the upper edge of the groove (6) to form an auxiliary inlet (9), and the lower edge of the auxiliary baffle plate (7) extends to be flush with the lower end face of the inner cover plate (5), so that the lower end of the auxiliary collecting channel (8) forms an auxiliary outlet (10) communicated with the auxiliary inlet (9); each inner wall of the auxiliary collecting channel (8) is covered with a detachable particle adsorption piece (11).
9. The automobile tire wear particle collection structure of claim 8, wherein: when the collecting channel is applied to the front wheel of an automobile, the horizontal angle beta 6 of the upper edge of the auxiliary inlet (9) relative to the center of the circle of the automobile tire is 5-25 degrees, and the horizontal angle beta 5 of the lower edge of the auxiliary inlet (9) relative to the center of the circle of the automobile tire is-15-5 degrees; when the collecting channel is applied to the rear wheel of the automobile, the horizontal angle beta 6 of the upper edge of the auxiliary inlet (9) relative to the center of the circle of the automobile tire is between 20 and 40 degrees, and the horizontal angle beta 5 of the lower edge of the auxiliary inlet (9) relative to the center of the circle of the automobile tire is between 0 and 20 degrees; the upper end surface of the groove (6) is a curved surface (6.1).
10. The automobile tire wear particle collection structure of claim 8, wherein: the particle adsorption piece (11) is an electrostatic adsorption film, and the electrostatic adsorption film is connected with an electrostatic generator (20) arranged in an automobile cab.
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| CN202210973173.6A CN115320726B (en) | 2022-08-15 | 2022-08-15 | Structure is collected to automobile tire wearing and tearing particulate matter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210973173.6A CN115320726B (en) | 2022-08-15 | 2022-08-15 | Structure is collected to automobile tire wearing and tearing particulate matter |
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| CN115320726B CN115320726B (en) | 2024-02-20 |
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| CN115320726B (en) | 2024-02-20 |
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