CN112782188A - GPF three way catalyst converter detection device - Google Patents
GPF three way catalyst converter detection device Download PDFInfo
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- CN112782188A CN112782188A CN202110146214.XA CN202110146214A CN112782188A CN 112782188 A CN112782188 A CN 112782188A CN 202110146214 A CN202110146214 A CN 202110146214A CN 112782188 A CN112782188 A CN 112782188A
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- detection
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- way catalyst
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 239000003054 catalyst Substances 0.000 title claims abstract description 24
- 239000000443 aerosol Substances 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000105 evaporative light scattering detection Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0181—Memory or computer-assisted visual determination
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a GPF three-way catalyst detection device which is convenient to detect and high in detection speed, and improves the detection efficiency. The detection device comprises a detection platform, a camera bellows type detection box body is arranged above the detection platform, a camera bellows light source is arranged inside the detection box body, an optical instrument probe is arranged at the top of the detection box body, an aerosol generator containing nanoscale hydrosol is connected below the detection platform, and a sealing clamping mechanism is arranged at the surface of the detection platform and the discharge port of the aerosol generator.
Description
Technical Field
The invention relates to the technical field of three-way catalyst detection devices, in particular to a GPF three-way catalyst detection device.
Background
Gpf (soluble Particulate filter): i.e., gasoline engine particulate traps, are ceramic filters installed in diesel engine exhaust systems that trap particulate emissions before they enter the atmosphere. With the implementation of six national projects of fuel automobiles, the requirement of the GPF three-way catalytic converter for the vehicle on the back pressure of a carrier is more and more strict, if the back pressure is too low, gasoline cannot be sufficiently combusted, more harmful gases are generated, and meanwhile, a large amount of carbon deposition generated in an engine is discharged outside to seriously pollute the environment. The reason that the backpressure of the GPF three-way catalytic converter for the vehicle is too low is mainly that the inner part of the product is cracked, and the end surface end socket is damaged, so that whether the GPF three-way catalytic converter is damaged or not is strictly screened, and the strict control detection item of each catalytic converter manufacturer is provided.
In the prior art, only laboratory CT detection equipment is adopted for detection in the market, however, the detection condition of the laboratory CT detection equipment is harsh, and about 40 minutes is required for detecting one GPF three-way catalyst, so that the working requirement of rapid mass detection of a production line cannot be met.
Disclosure of Invention
The invention provides a GPF three-way catalyst detection device, which is convenient to detect and high in detection speed and improves the detection efficiency.
The technical scheme is as follows: the utility model provides a GPF three way catalyst converter detection device, its includes testing platform, its characterized in that: a camera bellows type detection box body is arranged above the detection platform, a camera bellows light source is arranged inside the detection box body, an optical instrument probe is arranged at the top of the detection box body, an aerosol generator containing nano-scale hydrosol is connected below the detection platform, and a sealing and clamping mechanism is arranged on the surface of the detection platform and at a discharge port of the aerosol generator;
it is further characterized in that: the sealing and clamping mechanism comprises a mounting seat, a through connecting hole is formed in the middle of the mounting seat, an air bag is embedded in the inner wall of the connecting hole, inner grooves are formed in the top surface and the bottom surface of the mounting seat respectively, and an upper pressing plate and a lower pressing plate which are matched with each other are arranged in the two inner grooves respectively;
positioning holes are distributed along the circumferential direction of the upper pressing plate and the lower pressing plate, through holes matched with the positioning holes are arranged at corresponding positions of the mounting seat, and connecting positioning pins are arranged through the positioning holes and the through holes;
the detection box body is formed by enclosing black acrylic plates, and the black box light source is a green light source and is respectively arranged at the opposite positions of the side wall of the detection box body;
the aerosol generator adopts an integrated ultrasonic humidifier or an ultrasonic hydrosol dissolving machine;
the optical instrument probe adopts a laser camera or a sensing device with a visual detection feedback signal.
After having adopted above-mentioned structure, the lower extreme of the fixed GPF three way catalyst converter of sealed fixture through the testing platform top setting, rethread aerosol generator is with hydrosol suction GPF three way catalyst converter, shine GPF three way catalyst converter's terminal surface through the camera bellows light source, observe the hydrosol luminance change and the product end face template that GPF three way catalyst converter terminal surface produced through the optical instrument probe at last and compare to can judge whether there is the damaged condition, and is easy and simple to handle, and test speed is fast simultaneously, has improved detection efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the sealing and clamping mechanism of the present invention;
FIG. 3 is a cross-sectional view of the seal holder mechanism of the present invention;
in the figure: 1. a detection platform; 2. detecting the box body; 21. a black box light source; 22. an exhaust port; 3. an optical instrument probe; 4. an aerosol generator; 5. a sealing and clamping mechanism; 51. a mounting seat; 52. connecting holes; 53. an air bag; 54. an upper pressure plate; 55. and (5) pressing the plate downwards.
Detailed Description
As shown in figure 1, the GPF three-way catalyst detection device comprises a detection platform 1, a camera bellows type detection box body 2 is arranged above the detection platform 1, the detection box body 2 is a camera bellows formed by welding an aluminum section bar into a frame and enclosing a black acrylic plate on the periphery. The interior of the detection box body 2 is provided with a black box light source 21, and the black box light source 21 is a green light source and is respectively installed at the relative position of the side wall of the detection box body 2. The top of the detection box body 2 is provided with an optical instrument probe 3, and the optical instrument probe 3 can adopt a laser camera or a sensing device with a visual detection feedback signal. The top of the detection box body 2 is also provided with an exhaust port 22. An aerosol generator 4 containing nano-scale hydrosol is connected below the detection platform 1, and the aerosol generator 4 can adopt an integrated ultrasonic humidifier or ultrasonic hydrosol machine.
Furthermore, a sealing and clamping mechanism 5 is installed on the surface of the detection platform 1 and at the discharge port of the aerosol generator 4, and the bottom of the GPF three-way catalyst is sealed and fixed through the sealing and clamping mechanism 5. As shown in fig. 2 and 3, specifically, the sealing and clamping mechanism 5 includes a mounting seat 51, a through connection hole 52 is provided in the middle of the mounting seat 51, the connection hole 52 is matched with the discharge port of the aerosol generator 4, an air bag 53 is embedded on the inner wall of the connection hole 52, the bottom clamping position of the GPF three-way catalyst is sealed through the air bag 53, inner grooves are further provided on the top surface and the bottom surface of the mounting seat 51, an upper pressing plate 54 and a lower pressing plate 55 which are matched with each other are provided inside the two inner grooves, and the air bag 53 is clamped up and down through the upper pressing plate 54 and the lower pressing plate 55.
Furthermore, positioning holes are uniformly distributed along the circumferential direction of the upper pressing plate 54 and the lower pressing plate 55, through holes matched with the positioning holes are arranged at corresponding positions of the mounting seat 51, and connecting positioning pins are arranged through the positioning holes and the through holes. Through the arrangement of the positioning holes and the through holes, the corresponding pressing plate is convenient to disassemble and assemble when the GPF three-way catalytic converter is installed.
The working principle of the detection device of the invention is as follows:
taking down the upper pressing plate 54, placing the bottom of the GPF three-way catalyst at a connecting hole 52 in the middle of the mounting seat 51, installing the upper pressing plate 54, connecting and fixing the upper pressing plate 54 and the lower pressing plate 55 with the mounting seat 51 through positioning pins, then inflating the air bag 53, bulging the air bag 53 inwards to seal and clamp the GPF three-way catalyst, starting the aerosol generator 4, wherein the required pressure range needs to meet 0-60 mbar, the granularity of generated aerosol meets 1-5 nanometers, and the generation amount of hydrosol meets 2-12 kg/h; the nanometer water mist generated by the aerosol generator 4 passes through the inside of the GPF three-way catalyst to generate a uniform water mist column, the uniform water mist column is irradiated by the dark box light source 21, the water mist passes through a green light area to generate brightness deviation on the surface of a product, the brightness deviation is detected by the optical instrument probe 3, the detected data is connected with an external processor device for calculation processing, and the processor can select a computer to calculate the internal fracture or end plug damage condition of the product. By adopting the mode, the testing steps are simple and convenient, the testing speed is high, the measuring precision is high, and the detection efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a GPF three way catalyst converter detection device, its includes testing platform, its characterized in that: the detection device is characterized in that a camera bellows type detection box body is arranged above the detection platform, a camera bellows light source is arranged inside the detection box body, an optical instrument probe is arranged at the top of the detection box body, an aerosol generator containing nanoscale hydrosol is connected below the detection platform, and a sealing and clamping mechanism is arranged at the position, on the surface of the detection platform, of a discharge port of the aerosol generator.
2. The GPF three-way catalyst detection device of claim 1, wherein: the sealing and clamping mechanism comprises a mounting seat, a through connecting hole is formed in the middle of the mounting seat, an air bag is embedded in the inner wall of the connecting hole, inner grooves are formed in the top surface and the bottom surface of the mounting seat respectively, and an upper pressing plate and a lower pressing plate which are matched with each other are arranged inside the inner grooves respectively.
3. The GPF three-way catalyst detection device of claim 2, wherein: positioning holes are distributed along the circumferential direction of the upper pressing plate and the lower pressing plate, through holes matched with the positioning holes are arranged at corresponding positions of the mounting seat, and connecting positioning pins are arranged through the positioning holes and the through holes.
4. The GPF three-way catalyst detection device of claim 3, wherein: the detection box body is formed by enclosing a black acrylic plate, the black box light source is a green light source and is respectively arranged at the relative position of the side wall of the detection box body.
5. The GPF three-way catalyst detection device of claim 4, wherein: the aerosol generator adopts an integrated ultrasonic humidifier or an ultrasonic hydrosol dissolving machine.
6. The GPF three-way catalyst detection device of claim 5, wherein: the optical instrument probe adopts a laser camera or a sensing device with a visual detection feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110146214.XA CN112782188A (en) | 2021-02-03 | 2021-02-03 | GPF three way catalyst converter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110146214.XA CN112782188A (en) | 2021-02-03 | 2021-02-03 | GPF three way catalyst converter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112782188A true CN112782188A (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110146214.XA Pending CN112782188A (en) | 2021-02-03 | 2021-02-03 | GPF three way catalyst converter detection device |
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| Country | Link |
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| CN (1) | CN112782188A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090056288A1 (en) * | 2007-08-29 | 2009-03-05 | Waldo Cole L | Method and apparatus for cleaning diesel particulate filters and for diagnosing damage thereto |
| CN101437597A (en) * | 2006-03-31 | 2009-05-20 | 康宁股份有限公司 | Honeycomb filter defect detecting method and appartus |
| CN104316539A (en) * | 2014-09-01 | 2015-01-28 | 苏州德创测控科技有限公司 | Ternary catalytic reactor detection system, detector, and detection method |
| CN105408731A (en) * | 2012-11-28 | 2016-03-16 | 康宁股份有限公司 | Methods for testing a honeycomb filter |
| CN105606758A (en) * | 2016-01-15 | 2016-05-25 | 上海大学 | Method and device for studying mechanism that secondary organic aerosol is produced by photo-oxidation transformation of fuel coal |
| CN106732216A (en) * | 2017-01-12 | 2017-05-31 | 兰州大学 | A kind of nano material liquid aersol generating means |
| CN109781353A (en) * | 2019-03-13 | 2019-05-21 | 上海理工大学 | A kind of new type of high efficiency filter test equipment |
| CN110375919A (en) * | 2019-08-20 | 2019-10-25 | 无锡威孚环保催化剂有限公司 | Three-element catalytic agent carrier back pressure detection device |
| CN214668652U (en) * | 2021-02-03 | 2021-11-09 | 无锡科技职业学院 | GPF three-way catalyst converter detection device |
-
2021
- 2021-02-03 CN CN202110146214.XA patent/CN112782188A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437597A (en) * | 2006-03-31 | 2009-05-20 | 康宁股份有限公司 | Honeycomb filter defect detecting method and appartus |
| US20090056288A1 (en) * | 2007-08-29 | 2009-03-05 | Waldo Cole L | Method and apparatus for cleaning diesel particulate filters and for diagnosing damage thereto |
| CN105408731A (en) * | 2012-11-28 | 2016-03-16 | 康宁股份有限公司 | Methods for testing a honeycomb filter |
| CN104316539A (en) * | 2014-09-01 | 2015-01-28 | 苏州德创测控科技有限公司 | Ternary catalytic reactor detection system, detector, and detection method |
| CN105606758A (en) * | 2016-01-15 | 2016-05-25 | 上海大学 | Method and device for studying mechanism that secondary organic aerosol is produced by photo-oxidation transformation of fuel coal |
| CN106732216A (en) * | 2017-01-12 | 2017-05-31 | 兰州大学 | A kind of nano material liquid aersol generating means |
| CN109781353A (en) * | 2019-03-13 | 2019-05-21 | 上海理工大学 | A kind of new type of high efficiency filter test equipment |
| CN110375919A (en) * | 2019-08-20 | 2019-10-25 | 无锡威孚环保催化剂有限公司 | Three-element catalytic agent carrier back pressure detection device |
| CN214668652U (en) * | 2021-02-03 | 2021-11-09 | 无锡科技职业学院 | GPF three-way catalyst converter detection device |
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