CN113566871A - Diesel vehicle aftertreatment sensor detection system - Google Patents
Diesel vehicle aftertreatment sensor detection system Download PDFInfo
- Publication number
- CN113566871A CN113566871A CN202110826317.0A CN202110826317A CN113566871A CN 113566871 A CN113566871 A CN 113566871A CN 202110826317 A CN202110826317 A CN 202110826317A CN 113566871 A CN113566871 A CN 113566871A
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- diesel vehicle
- detection system
- vehicle aftertreatment
- sensor detection
- aftertreatment sensor
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 230000005611 electricity Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 9
- 238000005070 sampling Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
Abstract
The invention discloses a detection system for a diesel vehicle aftertreatment sensor, and aims to provide a detection system for a diesel vehicle aftertreatment sensor, which is used for automatically detecting whether the diesel vehicle aftertreatment sensor is inserted in a wrong or missed manner.
Description
Technical Field
The invention relates to the field of tail gas detection equipment, in particular to a detection system of a diesel vehicle aftertreatment sensor.
Background
With the stricter and stricter emission standards of the tail gas pollutants of the national diesel vehicles, the emission standards have already reached the sixth stage of the nation. The aftertreatment of the national six standards mainly comprises a DOC (oxidation catalytic converter) and a DPF (particulate filter) SCR (selective catalytic reduction converter), and nitrogen, oxygen, particulate matters, pressure and temperature sensors need to be detected. In the prior art, the sensor and the main cable are manually and visually checked, the on-off can be detected only by using a universal meter, and the detection result and the product code cannot be automatically stored in a system, so that the manual input is required, the detection efficiency is low, and the error is easy to occur.
At present, chinese patent with publication number CN206917714U discloses a diesel engine combination formula post processor emission reduction capability test system, it includes the exhaust pipe that includes the parallelly connected reposition of redundant personnel setting of two at least ways, every exhaust pipe head end is equallyd divide and is do not connected the diesel engine blast pipe through manual butterfly valve, manual butterfly valve rear end in every exhaust pipe all includes a plurality of post processors of series connection in proper order, head end post-processing inlet end, terminal post processor give vent to anger and be equipped with an exhaust sampling hole between end and two adjacent post processors respectively, exhaust sampling hole be connected to gas detection device through independent exhaust sampling pipeline all the way respectively, exhaust sampling pipeline is connected with and is used for communicating gas detection device's exhaust sampling control unit with only all the way exhaust sampling pipeline at a certain moment.
Although the diesel engine combined type postprocessor emission reduction performance testing system can realize simultaneous testing of multiple schemes, only one gas detection device is needed to realize gas detection at a plurality of exhaust sampling holes, the experimental efficiency is high, and strict analysis of emission reduction performance is realized, but the detection result and the product code cannot be automatically stored in the system, and the diesel engine combined type postprocessor emission reduction performance testing system cannot automatically detect whether the diesel engine postprocessing sensor is inserted wrongly or not.
Disclosure of Invention
The invention aims to provide a detection system for a diesel vehicle aftertreatment sensor, which has the advantages that whether the diesel vehicle aftertreatment sensor is inserted wrongly or not can be detected automatically, and the detection result is displayed.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a diesel vehicle aftertreatment sensor detecting system, includes the workstation, workstation one side still is equipped with the backplate, be equipped with the diesel vehicle aftertreatment ware through the leg joint on the workstation, still be equipped with detection device on the workstation, detection device is equipped with the collection control ware of being connected with the operating mode computer electricity including the operating mode computer that is equipped with on being located the backplate, be located operating mode computer one side, sweep a yard rifle through the electricity is connected with the operating mode computer, be equipped with the signal connection line of being connected with the diesel vehicle aftertreatment ware on the collection control ware.
Further setting: the diesel vehicle post processor comprises a processor body, a product signal interface, a plurality of sensors and an air inlet, wherein the product signal interface is arranged on the processor body and connected with a signal connecting wire, the sensors are arranged on the processor body, and the air inlet is formed in the top end of the processor body.
Further setting: and a hot air plug matched with the air inlet is also arranged on one side of the detection device.
Further setting: and a product bar code is also arranged on one side of the air inlet.
Further setting: and one end of the processor body is also connected with a product cable.
Further setting: and the acquisition controller is also connected with a controller horn.
Further setting: and the acquisition controller is also provided with a display lamp.
Further setting: and the acquisition controller is also provided with a switch button.
Through adopting above-mentioned technical scheme, provide one and can detect sensor and cable plug and leak to insert, insert the mistake to whether preliminary analysis sensor parameter is qualified, read the product code through sweeping the sign indicating number rifle, in the database is preserved to parameter and the two-dimensional code that will detect, accomplish to trace back. If the product is unqualified, an audible and visual alarm is given out.
In conclusion, the invention has the following beneficial effects:
1. the acquisition controller is controlled by a program, the numerical values of the sensors are automatically detected, the detection result is automatically judged, and the controller alarms in sound and light and alarms when the quality problem exists.
2. And a scanning gun is added, the data is stored in a database and is in one-to-one correspondence with the product numbers, and traceability is realized.
3. An upper computer is added to store the detection data, so that the detection data can be conveniently searched; and running a measurement application program, and displaying the detection values of the sensors in real time.
4. And hot air input is increased, so that the detection of the insertion error detection of the multiple temperature sensors and the detection of the differential pressure sensor are facilitated, and the detection accuracy is improved.
5. The support is laid in the design, is convenient for place and detects the product, installs computer and acquisition controller on the station, is convenient for operate acquisition controller button, is convenient for observe the testing result.
6. After the system detects, the quality problems of the product cable and the sensor can be avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of a detection system of a diesel vehicle aftertreatment sensor.
In the figure, 1, a workbench; 2. a back plate; 3. a diesel vehicle aftertreatment device; 31. a processor body; 32. a product signal interface; 33. a sensor; 34. an air inlet; 4. a detection device; 41. a working condition computer; 42. an acquisition controller; 43. a code scanning gun; 44. a signal connection line; 5. a hot air plug; 6. a product bar code; 7. a product cable; 8. a controller horn; 9. a display lamp; 10. and a button is switched on and off.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The technical scheme adopted by the invention is as follows:
a detection system of a diesel vehicle aftertreatment sensor is disclosed, as shown in figure 1, and comprises a workbench 1, a back plate 2 is arranged on one side of the workbench 1, a diesel vehicle aftertreatment 3 connected through a bracket is arranged on the workbench 1, a detection device 4 is also arranged on the workbench 1, the detection device 4 comprises a working condition computer 41 arranged on the back plate 2, an acquisition controller 42 electrically connected with the working condition computer 41 is arranged on one side of the working condition computer 41, a controller horn 8 is also connected on the acquisition controller 42, a display lamp 9 is also arranged on one side of the controller horn 8, a switch button 10 is also arranged at the bottom of the acquisition controller 42, a code scanning gun 43 electrically connected with the working condition computer 41 is arranged on one side of the acquisition controller 42, a signal connecting wire 44 connected with the diesel vehicle aftertreatment 3 is arranged on the acquisition controller 42, and the diesel vehicle aftertreatment 3 comprises a processor body 31, be equipped with the product signal interface 32 of being connected with signal connection line 44 on treater body 31, be equipped with a plurality of sensors 33 in treater body 31, treater body 31 one end still is connected with product cable 7, still is equipped with air inlet 34 on treater body 31 top simultaneously, and air inlet 34 one side still is equipped with product bar code 6, still is equipped with the hot-blast plug 5 that matches with air inlet 34 on one side of detection device 4.
The main working principle is as follows: the whole system is characterized in that a product bracket is arranged on a workbench 1, and an industrial control computer and an acquisition controller 42 are arranged on a back plate 2 of the workbench 1; the acquisition controller 42 is provided with a controller horn 8, an acquisition controller 42 display lamp 9, a switch button 10 and a signal connecting wire 44; the acquisition controller 42 is connected to an industrial control computer, the code scanning gun 43 is connected to the computer, and measuring software runs on the computer.
The diesel vehicle postprocessor 3 is placed on a support on the workbench 1, the diesel vehicle postprocessor 3 is positioned, detection is convenient, the hot air plug 5 is inserted into the air inlet 34, and the signal connecting wire 44 is inserted into the product signal interface 32.
The acquisition controller 42 is opened, the industrial personal computer runs the measurement application program, hot air is sent into the diesel vehicle postprocessor 3 from the hot air plug 5, and the temperature sensors 33 in the sensors 33 are positioned at different positions of the diesel vehicle postprocessor 3, so that the reflected temperature values are different, and whether the temperature sensors 33 are inserted wrongly or missed to check can be detected; the differential pressure sensor 33 among the sensors 33 can measure the differential pressure; the NOX and PM sensors 33 in the sensor 33 transmit signals to the acquisition controller 42 through the product cable 7, the product signal interface 32 and the signal connection line 44, as well as the temperature sensor 33 and the differential pressure sensor 33, the acquisition controller 42 converts the signals into numerical information which can be recognized by a measurement application program, when the switch button 10 in the acquisition controller 42 is pressed, the acquisition controller 42 sends the numerical information to the measurement application program in the industrial personal computer, the program calculates and displays the monitored numerical value, judges whether the numerical value is qualified, if the bar code is unqualified and fed back to the acquisition controller 42, the display lamp 9 on the acquisition controller 42 flickers, the controller horn 8 gives out an alarm sound, the handheld code scanning gun 43 reads the bar code 6 of the product, the bar code data is sent to a measurement application program in the industrial personal computer, and the detection data and the bar code are stored in a database by the program for later query.
After the measurement is finished, the hot air is closed, and the hot air plug 5 is pulled out from the product air inlet 34; the signal connection line 44 is pulled out from the product signal interface 3211, and the diesel vehicle post-processor 3 is lifted off the workbench 1, so that the whole measurement is completed.
The measuring system is provided with a hot air plug 5, the hot air plug 5 can be communicated with hot air with certain pressure, the temperature sensors 33 in the sensors 33 are distributed at different positions, the sampling values of the temperature sensors 33 are different, the system can judge whether the temperature sensors 33 are inserted wrongly or not, and the quality states of the sensors 33 can be judged by the hot air through the pressure difference among the sensors 33.
The internal circuit of the acquisition controller 42 can convert the information of the sensor 33 into digital information which can be identified by the measurement application program; the acquisition controller 42 is provided with a controller horn 8 and a display lamp 9, and an audible and visual alarm is given if the product is unqualified.
The industrial control computer is provided with a measurement application program, can exchange data with the acquisition controller 42, can read bar code information fed back by the bar code scanning gun 43, can analyze, calculate and detect data, can display the data on a program interface, and can store the data in a database.
The present invention is not intended to be limited to the particular embodiments shown above, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a diesel vehicle aftertreatment sensor detecting system, includes workstation (1), workstation (1) one side still is equipped with backplate (2), be equipped with on workstation (1) through leg joint's diesel vehicle aftertreatment ware (3), its characterized in that: still be equipped with detection device (4) on workstation (1), detection device (4) including being located operating mode computer (41) that are equipped with on backplate (2), be located operating mode computer (41) one side and be equipped with collection controller (42) be connected with operating mode computer (41) electricity, sweep a yard rifle (43) through the electricity with operating mode computer (41), be equipped with signal connection line (44) be connected with diesel vehicle post processor (3) on collection controller (42).
2. The diesel vehicle aftertreatment sensor detection system of claim 1, wherein: the diesel vehicle postprocessor (3) comprises a processor body (31), a product signal interface (32) which is arranged on the processor body (31) and connected with a signal connecting wire (44), a plurality of sensors (33) which are arranged on the processor body (31) and an air inlet (34) which is arranged on the top end of the processor body (31).
3. The diesel vehicle aftertreatment sensor detection system of claim 2, wherein: and a hot air plug (5) matched with the air inlet (34) is further arranged on one side of the detection device (4).
4. The diesel vehicle aftertreatment sensor detection system of claim 3, wherein: and a product bar code (6) is also arranged on one side of the air inlet (34).
5. The diesel vehicle aftertreatment sensor detection system of claim 4, wherein: and one end of the processor body (31) is also connected with a product cable (7).
6. The diesel vehicle aftertreatment sensor detection system of claim 5, wherein: the acquisition controller (42) is also connected with a controller horn (8).
7. The diesel vehicle aftertreatment sensor detection system of claim 6, wherein: and a display lamp (9) is also arranged on the acquisition controller (42).
8. The diesel vehicle aftertreatment sensor detection system of claim 7, wherein: the acquisition controller (42) is also provided with a switch button (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826317.0A CN113566871A (en) | 2021-07-21 | 2021-07-21 | Diesel vehicle aftertreatment sensor detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826317.0A CN113566871A (en) | 2021-07-21 | 2021-07-21 | Diesel vehicle aftertreatment sensor detection system |
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| Publication Number | Publication Date |
|---|---|
| CN113566871A true CN113566871A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110826317.0A Pending CN113566871A (en) | 2021-07-21 | 2021-07-21 | Diesel vehicle aftertreatment sensor detection system |
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| Country | Link |
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| CN (1) | CN113566871A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195928U (en) * | 2011-05-31 | 2012-04-18 | 上海增欣机电设备制造有限公司 | Valve pressure test touch screen control system |
| CN106091507A (en) * | 2016-06-14 | 2016-11-09 | 广东美的暖通设备有限公司 | The exhaust gas temperature sensor foolproof method of air conditioning system |
| CN106404402A (en) * | 2016-09-09 | 2017-02-15 | 浙江大学 | Diesel engine full-dimension SCR catalytic reactor performance test platform based on tail gas simulation |
| CN107143404A (en) * | 2017-04-20 | 2017-09-08 | 同济大学 | A kind of box-like preprocessor reduction performance test system of diesel engine unit |
| CN206917714U (en) * | 2017-04-20 | 2018-01-23 | 同济大学 | A kind of box-like preprocessor reduction performance test system of diesel engine unit |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN111367264A (en) * | 2020-04-30 | 2020-07-03 | 苏州鹏迈智能科技有限公司 | Online test system of thermal management system |
| CN112858127A (en) * | 2021-02-04 | 2021-05-28 | 深圳市森世泰科技有限公司 | System and method for analyzing particulate matter sensor for diesel vehicle |
-
2021
- 2021-07-21 CN CN202110826317.0A patent/CN113566871A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195928U (en) * | 2011-05-31 | 2012-04-18 | 上海增欣机电设备制造有限公司 | Valve pressure test touch screen control system |
| CN106091507A (en) * | 2016-06-14 | 2016-11-09 | 广东美的暖通设备有限公司 | The exhaust gas temperature sensor foolproof method of air conditioning system |
| CN106404402A (en) * | 2016-09-09 | 2017-02-15 | 浙江大学 | Diesel engine full-dimension SCR catalytic reactor performance test platform based on tail gas simulation |
| CN107143404A (en) * | 2017-04-20 | 2017-09-08 | 同济大学 | A kind of box-like preprocessor reduction performance test system of diesel engine unit |
| CN206917714U (en) * | 2017-04-20 | 2018-01-23 | 同济大学 | A kind of box-like preprocessor reduction performance test system of diesel engine unit |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN111367264A (en) * | 2020-04-30 | 2020-07-03 | 苏州鹏迈智能科技有限公司 | Online test system of thermal management system |
| CN112858127A (en) * | 2021-02-04 | 2021-05-28 | 深圳市森世泰科技有限公司 | System and method for analyzing particulate matter sensor for diesel vehicle |
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