CN111608780A - Tail gas treatment device suitable for automobile exhaust pipe - Google Patents

Tail gas treatment device suitable for automobile exhaust pipe Download PDF

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Publication number
CN111608780A
CN111608780A CN202010467648.5A CN202010467648A CN111608780A CN 111608780 A CN111608780 A CN 111608780A CN 202010467648 A CN202010467648 A CN 202010467648A CN 111608780 A CN111608780 A CN 111608780A
Authority
CN
China
Prior art keywords
exhaust pipe
treatment device
gas treatment
automobile
cylindrical
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.)
Withdrawn
Application number
CN202010467648.5A
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Chinese (zh)
Inventor
汪家贵
张国春
陈�胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Jieyuan Electromechanical Technology Co ltd
Original Assignee
Hefei Jieyuan Electromechanical Technology Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Hefei Jieyuan Electromechanical Technology Co ltd filed Critical Hefei Jieyuan Electromechanical Technology Co ltd
Priority to CN202010467648.5A priority Critical patent/CN111608780A/en
Publication of CN111608780A publication Critical patent/CN111608780A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844Mechanical joints
    • F01N13/1855Mechanical joints the connection being realised by using bolts, screws, rivets or the like

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention discloses an exhaust gas treatment device suitable for an automobile exhaust pipe, which relates to the technical field of automobile accessories and comprises a body, an air inlet pipe arranged on one side of the body and an air outlet pipe arranged on the other side of the body, wherein a Venturi tube is connected between the exhaust pipe and the air inlet pipe, the Venturi tube comprises a cylindrical throat part, a hollow spherical joint is matched and clamped in the cylindrical throat part, a buffer device is arranged on the body and comprises a connecting plate fixedly connected with the bottom of an automobile, a connecting rod is arranged at the bottom of the connecting plate, a lantern ring is connected to the bottom end of the connecting rod, an annular groove is formed in the inner wall of the lantern ring, a plurality of pulley blocks in abutting connection with the outside of the body are arranged in the annular groove, convex rings are arranged on the. The tail gas treatment device can be well and stably arranged on the exhaust pipe, can reduce the damage to the automobile exhaust pipe, and has good vibration reduction and protection effects on the device body.

Description

Tail gas treatment device suitable for automobile exhaust pipe
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a tail gas treatment device suitable for an automobile exhaust pipe.
Background
After the gasoline of the automobile is combusted, a large amount of harmful gases, mainly comprising carbon monoxide, hydrocarbons and nitrogen oxides, are generated, and a three-way catalyst is generally arranged in the middle of an exhaust pipe to treat the mixed harmful gases so as to generate carbon dioxide and water, and then the carbon dioxide and the water are discharged into the atmosphere. However, the original exhaust gas still contains more particle impurities, heat and undeleted harmful gas after flowing through the three-way catalyst, so that in order to reduce the harm of the automobile exhaust gas to the environment, a treatment device for further purifying the automobile exhaust gas is produced, and the automobile parts are developed more and more rapidly and are applied more and more widely. However, the existing exhaust gas treatment device has a large volume and a large weight, and has a high load on an automobile exhaust pipe, as shown in fig. 1, fig. 1 is a schematic connection diagram of the exhaust gas treatment device and the automobile exhaust pipe in the prior art, when an automobile runs at a high speed or/and in a bumpy state, the swing and vibration generated by the automobile body can damage the position a and the body of the exhaust gas treatment device, and further affect the service lives of the automobile exhaust pipe and the exhaust gas treatment device, and therefore, the exhaust gas treatment device needs to be improved in consideration of the cost of accessories.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an exhaust gas treatment device suitable for an automobile exhaust pipe.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the tail gas treatment device comprises a body, a gas inlet pipe arranged on one side of the body and a gas outlet pipe arranged on the other side of the body, wherein a Venturi tube is connected between the gas outlet pipe and the gas inlet pipe, the Venturi tube comprises an inlet cylindrical section, a conical contraction section, a cylindrical throat part, a conical diffusion section and an outlet cylindrical section which are sequentially communicated from left to right, the gas outlet pipe is connected with the inlet cylindrical section, and the outlet cylindrical section is connected with the gas inlet pipe; a hollow spherical joint is clamped in the cylindrical throat part in a matching manner, the spherical joint comprises an air inlet positioned in the cylindrical throat part and an air outlet positioned on the outer side of the cylindrical throat part, and the left end of the conical diffusion section is connected with the air outlet;
be equipped with buffer on the body, buffer includes the connecting plate with car bottom rigid coupling, the connecting plate bottom is equipped with the connecting rod, the connecting rod bottom is connected with the lantern ring, set up the annular in the lantern ring inner wall, be equipped with a plurality of assembly pulleys of being connected with the outside conflict of body in the annular, the assembly pulley is including setting up two cylindrical support rods on the annular lateral wall, it has a branch to equally divide on the bracing piece respectively to articulate, be connected with first spring between the branch on two bracing pieces, the branch outer end all is connected with the pulley, be equipped with the bulge loop at body both sides lateral part, all be connected with the second spring between bulge loop and lantern ring lateral part, the second spring.
Compared with the prior art, the invention has the following beneficial effects:
the buffer device on the tail gas treatment device has the advantages that the arrangement of the lantern ring on the buffer device can have a good protection effect on the device body, and the vibration generated in the running process of a vehicle body can be weakened better through the cooperation of the pulley blocks arranged on the inner wall of the lantern ring and the second spring structures connected with the body convex ring on the two sides of the lantern ring, so that the damage to the tail gas treatment device body is reduced, the load on the exhaust end of an exhaust pipe is reduced, and the service life of the tail gas treatment device is prolonged;
the venturi tube between the exhaust pipe and the tail gas treatment device facilitates the smoothness of tail gas discharged into the device body; in another main aspect, the arrangement of the hollow spherical joint is convenient for hinging the automobile exhaust pipe and the device air inlet pipe, avoids the vibration deviation damage (namely the position A in the figure 1) of the traditional rigid connection, and has the advantages of flexibility and reliability by adopting the novel connection mode;
in conclusion, the tail gas treatment device can be well and stably fixed on the exhaust pipe, not only can reduce the damage to the automobile exhaust pipe and has good vibration reduction and protection effects on the device body, but also can achieve the effects of convenience in installation, disassembly and maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a prior art exhaust treatment device connected to an exhaust pipe of an automobile;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a buffer device according to the present invention;
FIG. 4 is a schematic structural view of a buffering device according to the present invention;
FIG. 5 is a schematic view of a partial structure according to the present invention;
labeled as: 1. an exhaust pipe; 2. a body; 3. an air inlet pipe; 4. an air outlet pipe; 5. a buffer device; 501. a connecting plate; 502. a connecting rod; 503. a collar; 504. a ring groove; 505. a support bar; 506. a strut; 507. a first spring; 508. a pulley; 509. a convex ring; 510. a second spring; 511. a sleeve; 512. a third spring; 6. a venturi tube; 601. an inlet cylindrical section; 602. a conical contraction section; 603. a cylindrical throat; 604. a conical diffusion section; 605. an outlet cylindrical section; 606. a ball joint; 7. a left flange; 8. a right flange; 9. a vehicle body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
An exhaust gas treatment device suitable for an automobile exhaust pipe, as shown in fig. 2, has a general structure as follows:
the exhaust pipe 1 comprises a circular pipe body, the tail gas treatment device comprises a body 2, an air inlet pipe 3 positioned at the left end of the body 2 and an air outlet pipe 4 positioned at the right end of the body 2, and in addition, a buffer device 5 is also arranged on the body 2;
the exhaust pipe 1 is connected with the tail gas treatment device in a hinged mode, and the specific hinged mode is as follows:
the exhaust end of the exhaust pipe 1 is connected with the intake pipe 3 of the exhaust gas treatment device by a venturi tube 6, the venturi tube 6 comprises an inlet cylindrical section 601, a conical contraction section 602, a cylindrical throat 603, a conical diffusion section 604 and an outlet cylindrical section 605 which are sequentially communicated from left to right, furthermore, the exhaust end of the exhaust pipe 1 is communicated with the left end of the inlet cylindrical section 601, and the right end of the outlet cylindrical section 605 is connected with the intake pipe 3;
a hollow spherical joint 606 is fittingly clamped at the right part of the cylindrical throat part 603, most of the spherical joint 606 is positioned in the cylindrical throat part 603, the spherical joint 606 comprises an air inlet (positioned in the cylindrical throat part 603 and not shown) formed at the left part and an air outlet (positioned outside the cylindrical throat part 603 and not shown) formed at the right part, and the left end of the conical diffusion section 604 is connected with the air outlet;
as shown in fig. 3-5, the buffering device 5 includes a connecting plate 501 fixedly connected to the chassis of the vehicle body 9 by bolts, a connecting rod 502 is disposed at the bottom of the connecting plate 501, a collar 503 is welded to the bottom end of the connecting rod 502, the collar 503 is sleeved on the middle of the body 2, a ring groove 504 is disposed at the middle of the inner wall of the collar 503, a plurality of pulley blocks connected to the outside of the body 2 in an abutting manner are disposed in the ring groove 504, each pulley block includes two cylindrical support rods 505 having a certain distance and erected on the side walls of the ring groove 504, the support rods 505 are respectively hinged to a support rod 506, a first spring 507 is connected between the support rods 506 on the two support rods 505, pulleys 508 are connected to the outer ends of the support rods 506, the central axes of the pulleys 508;
the side parts of two sides of the body 2 are provided with convex rings 509, a second spring 510 is connected between the convex rings 509 and the side parts of the lantern ring 503, and the second spring 510 is sleeved on the body 2.
As shown in fig. 3, when the body 2 is substantially cylindrical, the number of the pulley blocks along the annular array of the grooves 504 is 3, the filling angle is 360 degrees, and the angle between the pulley blocks is 120 degrees;
as shown in fig. 4, when the body 2 is substantially rectangular, the number of the pulley sets along the annular array of the ring grooves 504 is 4, the filling angle is 360 degrees, and the angle between the pulley sets is 90 degrees;
based on the above, in order to reduce the clamping wear of the ball joint 606 in the cylindrical throat 603, a circular arc surface (not shown) is opened at the right end of the cylindrical throat 603 to be in interference connection with the ball joint 606.
Based on the foregoing, in order to facilitate the installation of the spherical joint 606, the cylindrical throat 603 includes a left cylindrical throat 603 and a right cylindrical throat 603, the right end of the left cylindrical throat 603 is provided with a left flange 7, the left end of the right cylindrical throat 603 is provided with a right flange 8, the left flange 7 is connected with the right flange 8 through bolts, and a sealing ring (not shown) is further disposed between the left flange 7 and the right flange 8, so as to achieve the sealing connection between the left cylindrical throat 603 and the right cylindrical throat 603.
Based on the above, one end of the supporting rod 506 is connected with a sleeve 511, the sleeve 511 is sleeved on the middle position of the supporting rod 505, and the other end of the supporting rod 506 is connected with a rotating shaft (not shown), and the rotating shaft is connected with the central shaft of the pulley 508.
Based on the above, two third springs 512 are sleeved on the supporting rods 505, the third springs 512 are respectively located at two sides of the sleeve 511, one end of each third spring 512 abuts against the side wall of the ring groove 504, and the other end of each third spring 512 abuts against the side wall of the sleeve 511.
The tail gas treatment device can be well and stably arranged on the exhaust pipe 1, not only can reduce the damage to the automobile exhaust pipe 1 and has good vibration reduction protection effect on the device body 2, but also can improve the reliability, safety and service life of the automobile exhaust pipe 1 and the tail gas treatment device, and can achieve the effect of convenient installation, disassembly and maintenance.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The tail gas treatment device suitable for the automobile exhaust pipe comprises a body (2), an air inlet pipe (3) arranged on one side of the body (2) and an air outlet pipe (4) arranged on the other side of the body (2), and is characterized in that a Venturi tube (6) is connected between the exhaust pipe (1) and the air inlet pipe (3), the Venturi tube (6) comprises an inlet cylindrical section (601), a conical contraction section (602), a cylindrical throat part (603), a conical diffusion section (604) and an outlet cylindrical section (605), the exhaust pipe (1) is connected with the inlet cylindrical section (601), and the outlet cylindrical section (605) is connected with the air inlet pipe (3); a hollow spherical joint (606) is clamped in the cylindrical throat part (603) in a matching manner, the spherical joint (606) comprises an air inlet positioned in the cylindrical throat part (603) and an air outlet positioned on the outer side of the cylindrical throat part (603), and the left end of the conical diffusion section (604) is connected with the air outlet;
the automobile body is characterized in that the body (2) is provided with a buffer device (5), the buffer device (5) comprises a connecting plate (501) fixedly connected with the bottom of an automobile, the bottom of the connecting plate (501) is provided with a connecting rod (502), the bottom end of the connecting rod (502) is connected with a lantern ring (503), an annular groove (504) is formed in the inner wall of the lantern ring (503), a plurality of pulley blocks which are in butt connection with the outside of the body (2) are arranged in the annular groove (504), each pulley block comprises two cylindrical supporting rods (505) erected on the side wall of the annular groove (504), the supporting rods (505) are respectively hinged with a supporting rod (506), a first spring (507) is connected between the supporting rods (506) on the two supporting rods (505), the outer ends of the supporting rods (506) are respectively connected with pulleys (508), convex rings (509) are arranged on the side parts of the two, the second spring (510) is sleeved on the body (2).
2. The exhaust gas treatment device for the automobile exhaust pipe according to claim 1, wherein the central axis of the pulley (508) is concentric with the center of the collar (503), and the outer rim of the pulley (508) abuts against the body (2).
3. The exhaust gas treatment device for an automobile exhaust pipe according to claim 1, wherein the pulley blocks are arranged in an annular array along a center of the ring groove (504).
4. The exhaust gas treatment device for the exhaust pipe of the automobile as claimed in claim 3, wherein the number of the pulley sets in the annular array along the ring groove (504) is 3, the filling angle is 360 degrees, and the angle between the pulley sets is 120 degrees.
5. The exhaust gas treatment device for the exhaust pipe of the automobile as claimed in claim 3, wherein the number of the pulley sets in the annular array along the ring groove (504) is 4, the filling angle is 360 degrees, and the angle between the pulley sets is 90 degrees.
6. The exhaust gas treatment device for the exhaust pipe of the automobile according to claim 1, wherein a circular arc surface in interference connection with the spherical joint (606) is formed in the cylindrical throat portion (603).
7. The exhaust gas treatment device suitable for the automobile exhaust pipe according to claim 1, wherein the cylindrical throat portion (603) comprises a left cylindrical throat portion (603) and a right cylindrical throat portion (603), a left flange (7) is arranged at the right end of the left cylindrical throat portion (603), a right flange (8) is arranged at the left end of the right cylindrical throat portion (603), the left flange (7) is connected with the right flange (8) through bolts, and a sealing ring is further arranged between the left flange (7) and the right flange (8).
8. The exhaust gas treatment device suitable for the automobile exhaust pipe according to claim 1, wherein one end of the supporting rod (506) is connected with a sleeve (511), the sleeve (511) is sleeved on the middle position of the supporting rod (505), the other end of the supporting rod (506) is connected with a rotating shaft, and the rotating shaft is connected with a central shaft of the pulley (508).
9. The exhaust gas treatment device suitable for the automobile exhaust pipe is characterized in that two third springs (512) are sleeved on the support rods (505), the third springs (512) are respectively positioned on two sides of the sleeve (511), one end of each third spring (512) abuts against the side wall of the annular groove (504), and the other end of each third spring (512) abuts against the side wall of the sleeve (511).
CN202010467648.5A 2020-05-28 2020-05-28 Tail gas treatment device suitable for automobile exhaust pipe Withdrawn CN111608780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010467648.5A CN111608780A (en) 2020-05-28 2020-05-28 Tail gas treatment device suitable for automobile exhaust pipe

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Application Number Priority Date Filing Date Title
CN202010467648.5A CN111608780A (en) 2020-05-28 2020-05-28 Tail gas treatment device suitable for automobile exhaust pipe

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CN111608780A true CN111608780A (en) 2020-09-01

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CN202010467648.5A Withdrawn CN111608780A (en) 2020-05-28 2020-05-28 Tail gas treatment device suitable for automobile exhaust pipe

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1411553A (en) * 1971-12-23 1975-10-29 Tenneco Inc Motor vehicle exhaust system and mountings therefor
EP2148053A2 (en) * 2008-07-25 2010-01-27 Volkswagen AG Catalyst assembly for cleaning an exhaust gas flow
CN105422243A (en) * 2015-12-29 2016-03-23 葛全岭 Damping device for muffling exhausting tube of motor vehicle
CN106285885A (en) * 2016-10-11 2017-01-04 南宁学院 A kind of pressurized exhaust gas tail pipe based on multiple Venturi tube
CN206694106U (en) * 2017-04-26 2017-12-01 嵊州市艾诺威汽车配件有限公司 It is a kind of can damping automobile exhaust pipe
CN108397271A (en) * 2018-01-30 2018-08-14 谢幼环 A kind of vehicle exhaust exhaust silencer
CN208040488U (en) * 2018-03-30 2018-11-02 四川鑫元瑞科技有限公司 A kind of purifying processing device of vehicle emission
CN209430675U (en) * 2018-11-02 2019-09-24 杭州麦田通信技术有限公司 POI flash chamber

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1411553A (en) * 1971-12-23 1975-10-29 Tenneco Inc Motor vehicle exhaust system and mountings therefor
EP2148053A2 (en) * 2008-07-25 2010-01-27 Volkswagen AG Catalyst assembly for cleaning an exhaust gas flow
CN105422243A (en) * 2015-12-29 2016-03-23 葛全岭 Damping device for muffling exhausting tube of motor vehicle
CN106285885A (en) * 2016-10-11 2017-01-04 南宁学院 A kind of pressurized exhaust gas tail pipe based on multiple Venturi tube
CN206694106U (en) * 2017-04-26 2017-12-01 嵊州市艾诺威汽车配件有限公司 It is a kind of can damping automobile exhaust pipe
CN108397271A (en) * 2018-01-30 2018-08-14 谢幼环 A kind of vehicle exhaust exhaust silencer
CN208040488U (en) * 2018-03-30 2018-11-02 四川鑫元瑞科技有限公司 A kind of purifying processing device of vehicle emission
CN209430675U (en) * 2018-11-02 2019-09-24 杭州麦田通信技术有限公司 POI flash chamber

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Application publication date: 20200901