CN109085292B - Heavy vehicle tail gas rapid detection device - Google Patents
Heavy vehicle tail gas rapid detection device Download PDFInfo
- Publication number
- CN109085292B CN109085292B CN201810865561.6A CN201810865561A CN109085292B CN 109085292 B CN109085292 B CN 109085292B CN 201810865561 A CN201810865561 A CN 201810865561A CN 109085292 B CN109085292 B CN 109085292B
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- Prior art keywords
- pipe
- tail
- vehicle
- sampling
- tail pipe
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000005070 sampling Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 30
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- 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
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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)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a heavy vehicle exhaust quick detection device, including the sampling pipe of one end insertion in the tail pipe of vehicle, be provided with the nitrogen oxygen sensor that is arranged in gathering from tail pipe exhaust gas's nitrogen oxygen content on the pipe wall of sampling pipe respectively, and be used for gathering the temperature sensor of tail pipe exhaust gas's temperature, still be provided with the clamping device that prevents that the sampling pipe from droing in the tail pipe when sampling pipe one end inserts in the tail pipe on the sampling pipe, clamping device passes through brake line connection can be outside the vehicle the position convenient through brake line control clamping device with the pipe wall of tail pipe and the insertion end of sampling pipe fixed, or convenient messenger sampling pipe is from the brake line control mechanism that drops in the tail pipe, nitrogen oxygen sensor and temperature sensor's signal output part passes through the wire and connects outside control unit. The invention can conveniently install the sampling tube on the tail pipe of the running vehicle, and simultaneously install other parts of the rapid detection device for the tail gas of the heavy-duty vehicle at the proper position of the vehicle.
Description
Technical Field
The invention relates to an exhaust gas detection device. In particular to a heavy vehicle tail gas rapid detection device applied to detection of emission of nitrogen oxides of vehicles and machines.
Background
For mobile nitrogen oxide detection, in order to obtain accuracy of detection results, the detection needs to be performed by a vehicle/machine in normal operation. The nitrogen and oxygen detection equipment of the vehicles/machines is difficult to assemble and disassemble and takes long time, so that the nitrogen and oxygen detection equipment is always a difficult problem for the environmental protection department. At present, beijing has already been put out of the standard for rapidly detecting nitrogen and oxygen, and corresponding legal devices are also appeared on the market. The tail gas sampling pipe is required to be installed on the tail gas pipe of the automobile, and most tail gas pipes of the automobile are arranged in the middle of the chassis of the automobile, so that detection personnel are required to enter the chassis of the automobile to install the tail gas sampling pipe during installation. The installation method is time-consuming and labor-consuming, is very inconvenient, and greatly influences the detection efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rapid heavy vehicle tail gas detection device capable of conveniently installing a sampling tube on a tail pipe of a running vehicle.
The technical scheme adopted by the invention is as follows: the utility model provides a heavy vehicle exhaust quick detection device, includes that one end inserts the sampling pipe in the tail pipe of vehicle, be provided with the nitrogen oxygen sensor that is arranged in gathering from tail pipe exhaust gas nitrogen oxygen content on the pipe wall of sampling pipe respectively to and be used for gathering the temperature sensor who discharges gas from the tail pipe, still be provided with on the sampling pipe and prevent the clamping device that the sampling pipe drops from the tail pipe when sampling pipe one end inserts in the tail pipe, clamping device pass through brake line connection can be in the position convenience outside the vehicle through brake line control clamping device with the pipe wall of tail pipe and the insertion end of sampling pipe fixed, or convenient brake line control mechanism that makes the sampling pipe drop in from the tail pipe, nitrogen oxygen sensor and temperature sensor's signal output part pass through the wire and connect outside control unit.
The clamping device comprises a support and a swing arm, wherein the lower end of the support is fixedly connected to the pipe wall of the sampling pipe, the middle of the swing arm is hinged to the upper end of the support, one end of the swing arm is hinged to a compression rod, the bottom end of the compression rod is fixedly connected with a compression plate used for fixing the pipe wall of the tail pipe and the insertion end of the sampling pipe, one end of a brake cable penetrates through the other end of the swing arm and is fixed to the pipe wall of the other end of the sampling pipe through a locking screw, and the other end of the brake cable is connected with a brake cable control mechanism.
The support is of an L-shaped structure, the end part of the vertical part of the L-shaped structure is fixed on the pipe wall of the sampling pipe, the intersection of the vertical part and the horizontal part of the L-shaped structure is hinged with the swing arm, the horizontal part of the L-shaped structure is provided with a through hole, the upper end of the compression rod penetrates through the through hole of the horizontal part and is hinged with the swing arm, and the part of the compression rod below the horizontal part of the support is sleeved with a spring.
The brake cable control mechanism comprises a bottom plate and an upper pedal, lugs which are formed on the bottom plate and the upper pedal and are adjacent to the front part symmetrically, the bottom plate and the upper pedal are connected through the lugs in a hinged mode, through holes are formed on the front ends of the bottom plate and the upper pedal symmetrically respectively, and one end, far away from the clamping device, of the brake cable sequentially penetrates through the through holes on the bottom plate and the upper pedal and is fixedly connected onto the bottom plate.
The bottom end face of the bottom plate is provided with more than 2 magnets for fixing the brake cable control mechanism on the vehicle.
The rapid detection device for the tail gas of the heavy vehicle can be applied to detection of the emission of nitrogen oxides of the actual emission of the normal working vehicle. The heavy vehicle tail gas rapid detection device can conveniently install the sampling tube on the tail pipe of the running vehicle, and other parts of the heavy vehicle tail gas rapid detection device are installed at proper positions of the vehicle. The device can detect the concentration of the nitrogen oxides in the exhaust gas of the vehicle in the running process between two check points, and send the detection result to the external control unit for processing, so that a detector can directly judge the nitrogen oxide emission condition of the vehicle according to the result data.
Drawings
FIG. 1 is a schematic diagram of a rapid detection device for tail gas of a heavy vehicle;
Fig. 2 is a schematic structural view of the rapid detection device for tail gas of a heavy vehicle in an operating state.
In the figure
1: Sampling tube 2: nitrogen-oxygen sensor
3: Temperature sensor 4: clamping device
4.1: Compacting plates 4.2: spring
4.3: Compression bar 4.4: swing arm
4.5: Support 4.6: locking screw
5: Brake cable 6: brake cable control mechanism
6.1: Upper pedal 6.2: bottom plate
6.3: Magnet 6.4: lug boss
Detailed Description
The following describes a rapid detection device for tail gas of a heavy vehicle according to the present invention in detail with reference to the examples and the accompanying drawings.
As shown in fig. 1, the rapid detection device for heavy vehicle exhaust comprises a sampling tube 1 with one end inserted into a tail pipe of a vehicle, wherein a nitrogen-oxygen sensor 2 for collecting nitrogen and oxygen content in gas discharged from the tail pipe and a temperature sensor 3 for collecting temperature of the gas discharged from the tail pipe are respectively arranged on the tube wall of the sampling tube 1, the sampling tube 1 is further provided with a clamping device 4 for preventing the sampling tube 1 from falling off the tail pipe when one end of the sampling tube 1 is inserted into the tail pipe, the clamping device 4 is connected with a position outside the vehicle through a brake wire 5, the tube wall of the tail pipe and the insertion end of the sampling tube 1 are conveniently fixed through the brake wire 5, or a brake wire control mechanism 6 for conveniently enabling the sampling tube 1 to fall off from the tail pipe is conveniently connected with a signal output end of the temperature sensor 3 through a wire.
The clamping device 4 comprises a support 4.5 and a swing arm 4.4, wherein the lower end of the support 4.5 is fixedly connected to the pipe wall of the sampling pipe 1, the middle part of the swing arm 4.4 is hinged to the upper end of the support 4.5, one end of the swing arm 4.4 is hinged to a compression rod 4.3, the bottom end of the compression rod 4.3 is fixedly connected with a compression plate 4.1 used for fixing the pipe wall of the tail pipe and the insertion end of the sampling pipe 1, one end of a brake cable 5 penetrates through the other end of the swing arm 4.4 and is fixed to the pipe wall of the other end of the sampling pipe 1 through a locking screw 4.6, and the other end of the brake cable 5 is connected with a brake cable control mechanism 6.
The support 4.5 is of an L-shaped structure, the end part of the vertical part of the L-shaped structure is fixed on the pipe wall of the sampling pipe 1, the intersection of the vertical part and the horizontal part of the L-shaped structure is hinged with the swing arm 4.4, the horizontal part of the L-shaped structure is provided with a through hole, the upper end of the compression rod 4.3 penetrates through the through hole of the horizontal part and is hinged with the swing arm 4.4, and the part below the horizontal part of the support 4.5 is sleeved with a spring 4.2.
The brake cable control mechanism 6 comprises a bottom plate 6.2 and an upper pedal 6.1, lugs 6.4 which are formed on the bottom plate 6.2 and the upper pedal 6.1 and are adjacent to the front parts and symmetrical, the bottom plate 6.2 and the upper pedal 6.1 are connected through the lugs 6.4 in a hinged mode, through holes are formed at the front ends of the bottom plate 6.2 and the upper pedal 6.1 and symmetrical respectively, and one end, far away from the clamping device 4, of the brake cable 5 sequentially penetrates through the through holes on the bottom plate 6.2 and the upper pedal 6.1 and is fixedly connected onto the bottom plate 6.2. More than 2 magnets 6.3 for fixing the brake cable control mechanism 6 on the vehicle are arranged on the bottom end surface of the bottom plate 6.2, so that the rapid detection device for the tail gas of the heavy vehicle can drive along with the vehicle.
The invention relates to a rapid detection device for tail gas of a heavy vehicle, which has the following working principle.
When the rapid detection device for the tail gas of the heavy-duty vehicle is installed, as shown in fig. 1, the upper pedal 6.1 of the brake cable control mechanism 6 is stepped on, so that the length of the segment D brake cable 5 is prolonged, the length of the shell of the brake cable 5 is unchanged, and the length of the segment C brake cable 5 is shortened. The shell of the brake cable 5 presses the swing arm 4.4, so that the swing arm 4.4 rotates anticlockwise around the hinge point A, the hinge point B rises to drive the pressing plate 4.1 to rise to generate a gap, a detector uses the object taking rod to clamp the support 4.5, one end of the sampling tube 1 is inserted into a tail tube of a vehicle, then the upper pedal 6.1 is lifted, and the pressing plate 4.1 tightly presses the tube wall of the tail tube under the acting force of the spring 4.2, so that the tube wall of the tail tube and the sampling tube 1 form fixed connection. And then the brake cable control mechanism 6 is stuck to the vehicle through the magnet 6.3 on the bottom plate 6.2, thus completing the integral installation. The detection may begin.
When the rapid detection device for the tail gas of the heavy-duty vehicle is disassembled, the upper pedal 6.1 of the brake cable control mechanism 6 is also stepped on, so that the length of the segment D brake cable 5 is prolonged, the length of the shell of the brake cable 5 is unchanged, and the length of the segment C brake cable 5 is shortened. The shell of the brake cable 5 presses the swing arm 4.4, so that the swing arm 4.4 rotates anticlockwise around the hinge point A, the hinge point B is lifted to drive the pressing plate 4.1 to lift to generate a gap, the sampling tube 1 can be taken out from the tail pipe of the vehicle, and meanwhile, the brake cable control mechanism 6 can be taken down from the vehicle.
Claims (3)
1. The rapid detection device for the tail gas of the heavy vehicle comprises a sampling tube (1) with one end inserted into the tail pipe of the vehicle, and is characterized in that a nitrogen-oxygen sensor (2) for collecting the nitrogen-oxygen content in the gas discharged from the tail pipe and a temperature sensor (3) for collecting the temperature of the gas discharged from the tail pipe are respectively arranged on the tube wall of the sampling tube (1), the sampling tube (1) is further provided with a clamping device (4) for preventing the sampling tube (1) from falling off the tail pipe when one end of the sampling tube (1) is inserted into the tail pipe, the clamping device (4) is connected with a signal output end of the temperature sensor (3) through a wire, and the clamping device (4) can be conveniently fixed with the inserted end of the tail pipe (1) through the wire (5) at a position outside the vehicle, or conveniently enables the sampling tube (1) to fall off from the tail pipe through the tail pipe;
The clamping device (4) comprises a support (4.5) and a swing arm (4.4), wherein the lower end of the support (4.5) is fixedly connected to the pipe wall of the sampling pipe (1), the middle part of the swing arm (4.4) is hinged to the upper end of the support (4.5), one end of the swing arm (4.4) is hinged to a compression rod (4.3), the bottom end of the compression rod (4.3) is fixedly connected with a compression plate (4.1) for fixing the pipe wall of the tail pipe and the insertion end of the sampling pipe (1), one end of a brake wire (5) penetrates through the other end of the swing arm (4.4) and is fixed to the pipe wall at the other end of the sampling pipe (1) through a locking screw (4.6), and the other end of the brake wire (5) is connected with a brake wire control mechanism (6);
The brake cable control mechanism (6) comprises a bottom plate (6.2) and an upper pedal (6.1), lugs (6.4) which are formed on the bottom plate (6.2) and the upper pedal (6.1) and are adjacent to the front portion symmetrically are hinged to each other, the bottom plate (6.2) and the upper pedal (6.1) are hinged to each other through the lugs (6.4), through holes are formed at the front ends of the bottom plate (6.2) and the upper pedal (6.1) symmetrically respectively, and one end of a brake cable (5) far away from a clamping device (4) sequentially penetrates through the bottom plate (6.2) and the through holes on the upper pedal (6.1) to be fixedly connected to the bottom plate (6.2).
2. The rapid heavy vehicle tail gas detection device according to claim 1, wherein the bracket (4.5) is of an L-shaped structure, the end part of the vertical part of the L-shaped structure is fixed on the pipe wall of the sampling pipe (1), the intersection of the vertical part and the horizontal part of the L-shaped structure is hinged with the swing arm (4.4), the horizontal part of the L-shaped structure is provided with a through hole, the upper end of the compression rod (4.3) penetrates through the through hole of the horizontal part and is hinged with the swing arm (4.4), and the part below the horizontal part of the bracket (4.5) is sleeved with the spring (4.2).
3. The rapid detection device for heavy vehicle exhaust according to claim 1, wherein more than 2 magnets (6.3) for fixing the brake cable control mechanism (6) on the vehicle are arranged on the bottom end surface of the bottom plate (6.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865561.6A CN109085292B (en) | 2018-08-01 | 2018-08-01 | Heavy vehicle tail gas rapid detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865561.6A CN109085292B (en) | 2018-08-01 | 2018-08-01 | Heavy vehicle tail gas rapid detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085292A CN109085292A (en) | 2018-12-25 |
| CN109085292B true CN109085292B (en) | 2024-05-14 |
Family
ID=64833535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810865561.6A Active CN109085292B (en) | 2018-08-01 | 2018-08-01 | Heavy vehicle tail gas rapid detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109085292B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110133790A (en) * | 2010-06-07 | 2011-12-14 | 교통안전공단 | Apparatus and method for examining 2-wheeled vehicle emission |
| CN202096886U (en) * | 2011-06-01 | 2012-01-04 | 中国重汽集团济南动力有限公司 | Automobile exhaust gathering and processing device |
| CN204679316U (en) * | 2015-06-10 | 2015-09-30 | 中科宇图天下科技有限公司 | A kind of motor-vehicle tail-gas sampling head with position detecting device |
| CN106546550A (en) * | 2016-09-30 | 2017-03-29 | 张英志 | Tail gas discharge measuring method and device under the actual riving condition of vehicle |
| CN207007577U (en) * | 2017-03-27 | 2018-02-13 | 江苏星通北斗航天科技有限公司 | A kind of high efficiency vehicle exhaust sampling head |
| CN208766156U (en) * | 2018-08-01 | 2019-04-19 | 中国汽车技术研究中心有限公司 | A kind of tail gas of heavy-duty vehicle device for fast detecting |
-
2018
- 2018-08-01 CN CN201810865561.6A patent/CN109085292B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110133790A (en) * | 2010-06-07 | 2011-12-14 | 교통안전공단 | Apparatus and method for examining 2-wheeled vehicle emission |
| CN202096886U (en) * | 2011-06-01 | 2012-01-04 | 中国重汽集团济南动力有限公司 | Automobile exhaust gathering and processing device |
| CN204679316U (en) * | 2015-06-10 | 2015-09-30 | 中科宇图天下科技有限公司 | A kind of motor-vehicle tail-gas sampling head with position detecting device |
| CN106546550A (en) * | 2016-09-30 | 2017-03-29 | 张英志 | Tail gas discharge measuring method and device under the actual riving condition of vehicle |
| CN207007577U (en) * | 2017-03-27 | 2018-02-13 | 江苏星通北斗航天科技有限公司 | A kind of high efficiency vehicle exhaust sampling head |
| CN208766156U (en) * | 2018-08-01 | 2019-04-19 | 中国汽车技术研究中心有限公司 | A kind of tail gas of heavy-duty vehicle device for fast detecting |
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| Publication number | Publication date |
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| CN109085292A (en) | 2018-12-25 |
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