CN115290830B - Automobile emission detection device - Google Patents
Automobile emission detection device Download PDFInfo
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- CN115290830B CN115290830B CN202211205213.9A CN202211205213A CN115290830B CN 115290830 B CN115290830 B CN 115290830B CN 202211205213 A CN202211205213 A CN 202211205213A CN 115290830 B CN115290830 B CN 115290830B
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 54
- 239000002912 waste gas Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- XWNHTWMBUNWGIL-UHFFFAOYSA-N C(=O)=O.[N]=O Chemical compound C(=O)=O.[N]=O XWNHTWMBUNWGIL-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Natural products O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000013028 emission testing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention provides an automobile emission detection device, which comprises an exhaust detector, wherein an air inlet pipe is arranged on the front side of the exhaust detector, a sealing mechanism tightly sealed with an automobile exhaust pipe is arranged on one side of an inlet of the air inlet pipe, a plugging column is hermetically and slidably inserted in the inlet of the air inlet pipe, a moving mechanism for driving the plugging column to move in the horizontal and vertical directions is arranged at the bottom of the sealing mechanism, the air inlet pipe can be sleeved on the automobile exhaust pipe by means of elastic extrusion of the elastic rubber frame under the action of a pressing block, an elastic rubber frame and a rubber pressing plate, meanwhile, the sealing performance can be further enhanced under the action of the pressing block and the rubber pressing plate, the efficiency of entering exhaust into the exhaust detector is accelerated under the action of a fan, the detection time is saved, the detection efficiency and the detection accuracy are improved compared with the prior art, and meanwhile, the influence of exhaust leakage on the body health of detection personnel can be prevented.
Description
Technical Field
The invention relates to the technical field of detection, in particular to an automobile emission detection device.
Background
At present, the main harmful substances in the automobile exhaust are CO (carbon monoxide), cmHn (hydrocarbon) and NOx (nitrogen oxide), and once the harmful gases are excessively removed, the harmful gases can cause harm to human bodies, so that the exhaust emission of the automobile needs to be regularly detected, and whether the toxic gases in the exhaust exceed the national standard or not is detected.
In the prior art, a non-spectroscopic infrared ray and an electrochemical sensor are utilized by an automobile exhaust detector to measure and analyze main components such as CO, HC, CO2, NOX and O2 in automobile exhaust, so that whether the emission amount exceeds the standard is detected, but when a vehicle is started to detect, the exhaust detector is directly aligned to an exhaust pipe of the automobile, and the mode is influenced by the surrounding environment, so that the detection efficiency is low, and the body of a detector is easily damaged in the detection of a closed environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automobile emission detection device to solve the problems in the background art, the automobile emission detection device is novel in structure, an automobile exhaust pipe and an air inlet pipe are connected in a sealing mode through a sealing mechanism to prevent gas from flowing out, then the efficiency of tail gas entering the interior of a tail gas detector is improved under the action of a guide fan, a moving mechanism drives a blocking column to seal the air inlet pipe in the process of detection, the tail gas is prevented from flowing out and interfering with the outside, and the detected gas is sent into a waste gas treatment box to be treated and purified and then is discharged.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automobile emission detection device, includes the exhaust gas detection appearance, the exhaust gas detection appearance openly installs the intake pipe, and intake pipe entry one side be equipped with the tight sealing mechanism of vehicle vent-pipe seal cover, the sealed sliding plug of intake pipe entry inside has stifled post, and the sealing mechanism bottom is equipped with the moving mechanism that drives stifled post and remove along level and vertical direction.
Further, exhaust treatment case, and the inside intercommunication of exhaust treatment case and exhaust detection appearance, exhaust treatment case top sealing cover has the top cap, and exhaust treatment case outside one end has seted up the gas vent.
Furthermore, a fan is fixedly installed inside the air inlet pipe.
Further, the moving mechanism comprises a bottom frame, a screw rod is installed inside the bottom frame in a rotating mode, the surface of the screw rod is meshed and sleeved with a moving plate, a motor is fixed to one side of the bottom frame corresponding to the position of the screw rod, and the output end of the motor is fixedly connected with the screw rod.
Furthermore, two second electric push rods are symmetrically and fixedly mounted on the outer side surface of the movable plate corresponding to the blocking column, and the extension ends of the second electric push rods are fixedly connected with the outer side surface of the blocking column.
Furthermore, sealing mechanism includes the elasticity rubber frame, the elasticity rubber frame is connected with intake pipe sealing, and centre of a circle symmetry is fixed with four briquetting on the outer wall of the other end of the elasticity rubber frame, the rigidity that the underframe both sides correspond the elasticity rubber frame outer end has two risers, and the riser corresponds the rigidity of briquetting on the surface and install in a electric putter, and a electric putter extension end and briquetting fixed connection.
Further, two sliding grooves are symmetrically formed in the surface of the outer side of the pressing block, rubber pressing plates are arranged inside the sliding grooves and face the two sides of the pressing block, sliding wheels are installed on the rubber pressing plates corresponding to the sliding grooves in a rotating mode, the sliding wheels are connected inside the sliding grooves in a sliding clamping mode, and the pressing block is connected through the rubber pressing plates.
Further, the drive wheel is installed to exhaust-gas treatment bottom of the case portion, and tail gas detection appearance, underframe and riser bottom all rotate through the cardan shaft equidistance and install the auxiliary wheel.
The invention has the beneficial effects that: the invention relates to an automobile emission detection device, which comprises an exhaust gas detector; an air inlet pipe; a fan guide; a waste gas treatment tank; a top cover; an exhaust port; a drive wheel; a sealing mechanism; a vertical plate; an elastic rubber frame; briquetting; a chute; a rubber press plate; a sliding wheel; a first electric push rod; a moving mechanism; a bottom frame; a screw; moving the plate; a second electric push rod; a motor; plugging the column; an auxiliary wheel.
1. This automobile emission detection device seals automobile exhaust pipe and intake pipe under sealing mechanism's effect, prevents that tail gas outflow from endangering the healthy of measurement personnel.
2. This automobile emission detection device passes through under the effect of moving mechanism and jam post, when tail gas detection appearance detects tail gas, is sealed to the intake pipe by the jam post, keeps the inside relatively sealed environment of tail gas detection appearance, prevents the outflow of tail gas, also can improve the precision that detects simultaneously.
3. This automobile emission detection device passes through under the effect of briquetting, elasticity rubber frame and rubber clamp plate, can rely on the elasticity extrusion cup joint of elasticity rubber frame on vehicle vent-pipe, can further strengthen the leakproofness under the effect of briquetting and rubber clamp plate simultaneously.
4. This automobile emission detection device passes through under the effect of induction fan for tail gas enters into the inside efficiency of tail gas detection appearance, practices thrift check-out time.
5. This automobile emission detection device improves detection efficiency and precision for prior art, can also prevent simultaneously that tail gas from leaking and influencing the healthy of measurement personnel.
Drawings
FIG. 1 is a schematic diagram of the overall front structure of an automobile emission detection device according to the present invention;
FIG. 2 is a schematic view of the overall back structure of an automobile emission detection device according to the present invention;
FIG. 3 is a schematic back view of a sealing mechanism and a moving mechanism of an automobile emission detecting device according to the present invention;
FIG. 4 is a front view of the sealing mechanism and the moving mechanism of the vehicle emission testing device of the present invention;
FIG. 5 is a front view of an automotive emissions detection device of the present invention;
FIG. 6 is a schematic view of a connection between a pressing block and a rubber pressing plate of the device for detecting vehicle emissions according to the present invention;
FIG. 7 is a second schematic view of the connection between a pressing block and a rubber pressing plate of the device for detecting vehicle emissions according to the present invention;
in the figure: 1. an exhaust gas detector; 11. an air inlet pipe; 12. a fan guide; 2. a waste gas treatment tank; 21. a top cover; 22. an exhaust port; 23. a drive wheel; 3. a sealing mechanism; 31. a vertical plate; 32. an elastic rubber frame; 33. pressing into blocks; 331. a chute; 332. a rubber press plate; 333. a sliding wheel; 34. a first electric push rod; 4. a moving mechanism; 41. a bottom frame; 42. a screw; 43. moving the plate; 44. a second electric push rod; 45. a motor; 5. plugging the column; 6. an auxiliary wheel.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an automobile emission detection device, includes tail gas detection appearance 1, inlet pipe 11 is openly installed to tail gas detection appearance 1, and inlet pipe 11 entry one side is equipped with the sealing mechanism 3 tight with the vehicle vent-pipe seal cover, 11 entry inside seal of inlet pipe slides and pegs graft and have stifled post 5, and 3 bottoms of sealing mechanism are equipped with the moving mechanism 4 that drives stifled post 5 and remove along level and vertical direction, tail gas detection appearance 1 is current device, through inserting vehicle vent-pipe into inlet pipe 11, sealed with both links by sealing mechanism 3 again, carry tail gas detection appearance 1 inside afterwards, it is sealed with intake pipe 11 through moving mechanism 4 and stifled post 5, treat to detect and detect completion and tail gas and through exhaust-gas treatment case 2 purification completion after, it opens to block post 5, detect next time.
This embodiment, 1 back fixed mounting of tail gas detection appearance has exhaust-gas treatment case 2, and exhaust-gas treatment case 2 and the inside intercommunication of tail gas detection appearance 1, 2 top seal covers of exhaust-gas treatment case have top cap 21, and 2 outside one end of exhaust-gas treatment case have seted up gas vent 22, and exhaust-gas treatment case 2 is current washing three way catalyst converter, becomes nitrogen oxide carbon dioxide and nitrogen gas through reduction reaction, and the gas after will handling afterwards is seen off from gas vent 22, prevents to detect that tail gas directly discharges external polluted environment.
This embodiment, 11 inside fixed mounting of intake pipe has induced fan 12, and when vehicle vent-pipe discharged tail gas, opened induced fan 12 for tail gas enters into the inside efficiency of tail gas detection appearance 1, practices thrift check-out time.
This embodiment, moving mechanism 4 includes underframe 41, underframe 41 internally rotates installs screw rod 42, and screw rod 42 meshes on the surface and has cup jointed movable plate 43, underframe 41 one side corresponds the position fixation of screw rod 42 and has had motor 45, and motor 45 output and screw rod 42 fixed connection, movable plate 43 top corresponds the surperficial symmetry fixed mounting in the jam post 5 outside and has two electric putter 44, and second electric putter 44 extension end and the jam post 5 outside fixed surface be connected, when tail gas detector 1 detects tail gas, it is sealed to intake pipe 11 by jam post 5, keeps the inside relative sealed environment of tail gas detector 1, detects and accomplishes and tail gas purification discharges the back, opens motor 45, motor 45 drives screw rod 42 and rotates, movable plate 43 and screw rod 42 mesh drive jam post 5 and keep away from intake pipe 11, control second electric putter 44 will block post 5 and descend to intake pipe 11 bottom, will block post 5 and move to the inboard through the rotation of screw rod 42.
In this embodiment, the sealing mechanism 3 includes the elastic rubber frame 32, the elastic rubber frame 32 is connected to the air intake pipe 11 in a sealing manner, and four pressing blocks 33 are symmetrically fixed to a circle center on an outer wall of the other end of the elastic rubber frame 32, two vertical plates 31 are fixed to positions corresponding to outer ends of the elastic rubber frame 32 on two sides of the bottom frame 41, and positions corresponding to the pressing blocks 33 on surfaces of the vertical plates 31 are fixedly mounted on the first electric push rod 34, and an extension end of the first electric push rod 34 is fixedly connected to the pressing blocks 33, two sliding grooves 331 are symmetrically formed on surfaces of outer sides of the pressing blocks 33, and rubber pressing plates 332 are respectively arranged inside the sliding grooves 331, two rubber pressing plates 332 face two sides of the pressing blocks 33, a sliding wheel 333 is rotatably mounted at a position corresponding to the sliding groove 331 of the rubber pressing plate 332, the sliding wheel 333 is slidably connected to the sliding groove 331, the pressing blocks 33 are connected through the rubber pressing plates 332, the elastic rubber pressing frame 32 has certain elasticity and tension, the rubber pressing plates 332 can generate certain deformation capability, before the automobile exhaust pipe is inserted into the air intake pipe 11, the automobile exhaust pipe is controlled to move the pressing blocks 33, the exhaust pipe is prevented from being inserted into the elastic rubber pressing frame 32, and the automobile exhaust pipe is conveniently pushed into the inlet end of the automobile, and the automobile exhaust pipe, and the automobile exhaust pipe is prevented from being pushed by the automobile exhaust pipe, and the automobile exhaust pipe 32, and the automobile exhaust pipe is pushed by the automobile exhaust pipe.
This embodiment, drive wheel 23 is installed to exhaust-gas treatment case 2 bottoms, and all rotate through the cardan shaft equidistance bottom tail gas detection appearance 1, underframe 41 and riser 31 and install auxiliary wheel 6, and 2 bottom drive wheel 23 of exhaust-gas treatment case are controlled by power and controller. The remote control device can be remotely controlled by a worker to move the position corresponding to the automobile exhaust pipe, so that the automobile exhaust pipe can be inserted into the air inlet pipe 11, the device is moved under the combined action of the moving wheels and the auxiliary wheels 6, and the principle is the same as that of the existing remote control automobile.
The motor 45 is started, the motor 45 drives the screw rod 42 to rotate, the moving plate 43 is meshed with the screw rod 42 to drive the blocking column 5 to be far away from the air inlet pipe 11, the second electric push rod 44 is controlled to lower the blocking column 5 to the bottom of the air inlet pipe 11, the blocking column 5 is moved to the inner side through the rotation of the screw rod 42, the air inlet pipe 11 is exposed, the position corresponding to an automobile exhaust pipe is moved through a remote control device of a worker, the first electric push rod 34 is controlled to move the pressing block 33 before the automobile exhaust pipe is inserted into the air inlet pipe 11, the sliding wheel 333 on the inner side of the rubber pressing plate 332 between the two pressing blocks 33 slides along the corresponding sliding groove 331 at the moment, the connectivity with the pressing block 33 is kept, the inlet end of the elastic rubber frame 32 is opened, the automobile exhaust pipe is convenient to insert, the pressing block 33 is driven by the first electric push rod 34 after the inserting, the elastic rubber frame 32 is pressed and sleeved on the outer wall of the automobile exhaust pipe, the elastic rubber frame 32 is pressed and pressed, the elastic force acts on the automobile exhaust pipe, the inlet end of the elastic frame 32 is pressed and blocked, the sealing performance is further strengthened, the sealing performance is further, the tail gas is prevented from flowing out, the tail gas is accelerated by the fan 12, the tail gas is conveyed to the tail gas detector 1, the tail gas is opened and the sealing column 5 is opened, the waste gas purification mechanism, the waste gas purification box 5, the waste gas purification box 2, and the waste gas purification box is detected, and the waste gas purification box 2, and the waste gas purification box is completed once detection box 2, and the detection box is completed.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an automobile emission detection device, includes tail gas detection appearance (1), its characterized in that: the tail gas detector (1) is provided with an air inlet pipe (11) on the front surface, a sealing mechanism (3) tightly sealed with an automobile exhaust pipe is arranged on one side of an inlet of the air inlet pipe (11), a plugging column (5) is inserted in an inner sealing sliding mode in the inlet of the air inlet pipe (11), a moving mechanism (4) which drives the plugging column (5) to move along the horizontal direction and the vertical direction is arranged at the bottom of the sealing mechanism (3), the moving mechanism (4) comprises a bottom frame (41), a screw rod (42) is installed in the bottom frame (41) in a rotating mode, a moving plate (43) is sleeved on the surface of the screw rod (42) in a meshing mode, a motor (45) is fixed at a position, corresponding to the screw rod (42), of one side of the bottom frame (41), an output end of the motor (45) is fixedly connected with the screw rod (42), two second electric push rods (44) are symmetrically and fixedly installed on the outer side surface of the plugging column (5) corresponding to the top of the moving plate (43), extension end of each second electric push rod (44) is fixedly connected with the outer side of the plugging column (5), the sealing mechanism (3) comprises an elastic rubber frame (32), two pressing blocks (31) which are fixed on the outer side of the elastic rubber frame (32), and two elastic blocks (31) are fixed on the outer side of the outer wall of the elastic block frame (32), and the position of the corresponding pressing block (33) on the surface of the vertical plate (31) is fixedly arranged on the first electric push rod (34), the extension end of the first electric push rod (34) is fixedly connected with the pressing block (33), two sliding grooves (331) are symmetrically formed in the outer side surface of the pressing block (33), rubber pressing plates (332) are arranged in the sliding grooves (331), the two rubber pressing plates (332) face to two sides of the pressing block (33), sliding wheels (333) are rotatably arranged at the positions of the rubber pressing plates (332) corresponding to the sliding grooves (331), the sliding wheels (333) are slidably clamped in the sliding grooves (331), two adjacent pressing blocks (33) are connected through the rubber pressing plates (332), each elastic rubber frame (32) has certain elasticity and tension, the rubber pressing plates (332) can generate certain deformation capacity, the first electric push rod (34) is controlled to move the pressing block (33) before the automobile exhaust pipe is inserted into the air inlet pipe (11), the sliding wheels (333) on the inner side of the rubber pressing plates (332) between the two pressing blocks (33) are sleeved along the corresponding sliding wheels (331), the connection between the pressing block (33) is kept, the connecting structure of the exhaust pipe is convenient for the automobile exhaust pipe, the automobile, the elastic pressing block (32) is extruded after the automobile exhaust pipe is inserted into the automobile, the elastic pressing block (32), and the automobile exhaust pipe is extruded on the automobile, the automobile exhaust pipe, the automobile is conveniently extruded outer wall of the automobile, the automobile is extruded automobile, the automobile exhaust pipe, the rubber pressing plate (332) extrudes and seals the inlet end of the elastic rubber frame (32), and the air inlet pipe (11) is sealed through the moving mechanism (4) and the blocking column (5) for detection.
2. The vehicle emission detection apparatus of claim 1, wherein: tail gas detection appearance (1) back fixed mounting has exhaust-gas treatment case (2), and exhaust-gas treatment case (2) and tail gas detection appearance (1) inside intercommunication, exhaust-gas treatment case (2) top seal covers has top cap (21), and exhaust-gas treatment case (2) outside one end has seted up gas vent (22).
3. The vehicle emission detection apparatus according to claim 1, wherein: and a fan (12) is fixedly arranged in the air inlet pipe (11).
4. The vehicle emission detection apparatus according to claim 2, wherein: drive wheel (23) are installed to exhaust-gas treatment case (2) bottom, and all rotate through the cardan shaft equidistance and install auxiliary wheel (6) bottom tail gas detection appearance (1), underframe (41) and riser (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211205213.9A CN115290830B (en) | 2022-09-30 | 2022-09-30 | Automobile emission detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205213.9A CN115290830B (en) | 2022-09-30 | 2022-09-30 | Automobile emission detection device |
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| CN115290830A CN115290830A (en) | 2022-11-04 |
| CN115290830B true CN115290830B (en) | 2023-01-31 |
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| CN202211205213.9A Active CN115290830B (en) | 2022-09-30 | 2022-09-30 | Automobile emission detection device |
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Families Citing this family (1)
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| CN117146923A (en) * | 2023-11-01 | 2023-12-01 | 山东辰智电子科技有限公司 | Water flow detection device |
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| CN213367356U (en) * | 2020-08-11 | 2021-06-04 | 江苏捷峰电力器材有限公司 | Fastening type strain clamp |
| CN213398389U (en) * | 2020-08-22 | 2021-06-08 | 周皖泽 | Automobile exhaust emission detection device |
| CN214863188U (en) * | 2021-01-19 | 2021-11-26 | 南京中洲环保科技有限公司 | Damping device for submersible mixer |
| CN214998461U (en) * | 2021-06-08 | 2021-12-03 | 刘华 | Drainage pump convenient for stable butt joint of pipelines for farmland water utilization |
| CN216843581U (en) * | 2022-02-11 | 2022-06-28 | 天津佰焰加氢装备有限公司 | Unload hydrogen hose movable joint |
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Application publication date: 20221104 Assignee: Wuhan Shangke Congxin Technology Co.,Ltd. Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2023420000055 Denomination of invention: A vehicle emission detection device Granted publication date: 20230131 License type: Common License Record date: 20230413 Application publication date: 20221104 Assignee: Beijing Hanqing Environmental Protection Technology Co.,Ltd. Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2023110000056 Denomination of invention: A vehicle emission detection device Granted publication date: 20230131 License type: Common License Record date: 20230411 |
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