CN208520836U - A kind of exhaust gas post-treatment device gas concentration measurement point switching device - Google Patents
A kind of exhaust gas post-treatment device gas concentration measurement point switching device Download PDFInfo
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- CN208520836U CN208520836U CN201820957504.6U CN201820957504U CN208520836U CN 208520836 U CN208520836 U CN 208520836U CN 201820957504 U CN201820957504 U CN 201820957504U CN 208520836 U CN208520836 U CN 208520836U
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- sampling pipe
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- air hose
- jettron
- treatment device
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- 238000005259 measurement Methods 0.000 title claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000004458 analytical method Methods 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000012805 post-processing Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of exhaust gas post-treatment device gas concentration measurement point switching device, including after-treatment device, and the after-treatment device two sides are connected with exhaust pipe, and preposition probe and postposition probe are respectively equipped on the exhaust pipe of after-treatment device two sides；It further include sampling pipe, air hose and analysis and Control system；The input end of the preceding sampling pipe and post-sampling pipe is connected with preposition probe and postposition probe respectively, the outlet end of the preceding sampling pipe and post-sampling pipe passes through the first connecting tube and connect with analysis and Control system, is respectively equipped with the first jettron and the second jettron on the preceding sampling pipe post-sampling pipe；The outlet end of the preceding air hose and rear air hose is connect with the first jettron and the second jettron respectively.A kind of exhaust gas post-treatment device gas concentration measurement point switching device described in the utility model can be switched fast between different test sample points automatically, greatly improve testing efficiency and test accuracy rate.
Description
Technical field
The utility model belongs to exhaust gas post-treatment device detection technique field, more particularly, to a kind of exhaust gas post-treatment device
Gas concentration measurement point switching device.
Background technique
Automobile is more more and more universal as a kind of convenient and fast vehicles, and auto industry is also developed rapidly, however vapour
Vehicle industrial expansion also produces energy and environment problem, and motor vehicle exhaust emission bring environmental problem is that auto industry is badly in need of solution
Certainly the problem of, exhaust post-treatment apparatus of engine are primarily used to handle or purify toxic and harmful substance device in exhaust,
Discharge of the harmful substance to atmospheric environment can be effectively reduced, be the current effective measures for solving automobile exhaust pollution.
Therefore the efficiency that exhaust gas post-treatment device handles poisonous and harmful tail gas has the performance evaluation of integral automobile important
Effect, and survey is acquired to the gas before and after exhaust gas post-treatment device respectively to the measurement of gas after-treatment device needs at present
Amount, working efficiency is low, and measurement accuracy rate is low.
Utility model content
In view of this, the utility model is directed to a kind of exhaust gas post-treatment device gas concentration measurement point switching device,
To improve measurement efficiency and accuracy rate.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of exhaust gas post-treatment device gas concentration measurement point switching device, including after-treatment device, the post-processing dress
It sets two sides and is connected with exhaust pipe, preposition probe and postposition probe are respectively equipped on the exhaust pipe of after-treatment device two sides；Also
Including sampling pipe, air hose and analysis and Control system, the sampling pipe include preceding sampling pipe and post-sampling pipe, the air hose packet
Include preceding air hose and rear air hose；The input end of the preceding sampling pipe and post-sampling pipe connects with preposition probe and postposition probe respectively
It connects, the outlet end of the preceding sampling pipe and post-sampling pipe passes through the first connecting tube and connect with analysis and Control system, adopts before described
The first jettron and the second jettron are respectively equipped on sample pipe post-sampling pipe；The import of the preceding air hose and rear air hose
End is connect with compressed air source by the second connecting tube, the outlet end of the preceding air hose and rear air hose respectively with the first gas
Dynamic switch is connected with the second jettron, is respectively equipped with the first solenoid valve and the second electromagnetism on the preceding air hose and rear air hose
Valve, first solenoid valve and second solenoid valve are connect with analysis and Control system respectively.
Further, the analysis and Control system includes sequentially connected fore filter, gas analyzer and engine
Rack Measurement and Control System, the fore filter are connect with the first connecting tube, the engine pedestal Measurement and Control System point
Not Tong Guo controlling cable connect with the first solenoid valve and second solenoid valve, control the first solenoid valve and second solenoid valve opening and closing.
Further, first solenoid valve and second solenoid valve are normal-closed electromagnetic valve.
Further, one in first jettron and the second jettron is open type jettron, another
A is closed type jettron.
Compared with the existing technology, a kind of exhaust gas post-treatment device gas concentration measurement point switching dress described in the utility model
It sets and has the advantage that
A kind of exhaust gas post-treatment device gas concentration measurement point switching device described in the utility model, passes through engine bed
Frame Measurement and Control System realizes to the linkage control of the first solenoid valve and second solenoid valve, to make the first jettron and the
The sampling pipe of two jettrons control remains to be opened all the way, and the state that another way is closed allows fore filter to rear place
It manages the preposition probe of device two sides and the gas at postposition probe distinguishes automatic measurement, and detection point is carried out by gas analyzer
Analysis, finally will test data and passes to engine pedestal Measurement and Control System, complete final data collection and analysis, this is practical new
A kind of exhaust gas post-treatment device gas concentration measurement point switching device described in type, can be automatically quick between different test sample points
Switching, greatly improves testing efficiency and test accuracy rate.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 be according to the utility model a kind of exhaust gas post-treatment device gas concentration measurement point switching device one preferably
The structural schematic diagram of embodiment.
Description of symbols:
1- after-treatment device；The preposition probe of 2-；3- postposition probe；4- compressed air source；The first connecting tube of 5-；6- second connects
Adapter tube；The first solenoid valve of 7-；8- second solenoid valve；The first jettron of 9-；The second jettron of 10-；Sampling pipe before 11-；12-
Post-sampling pipe；Air hose before 13-；Air hose after 14-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of exhaust gas post-treatment device gas concentration measurement point switching device, as shown in Figure 1, including after-treatment device 1, institute
It states 1 two sides of after-treatment device and is connected with exhaust pipe, it is characterised in that: set respectively on the exhaust pipe of 1 two sides of after-treatment device
There are preposition probe 2 and postposition probe 3；It further include sampling pipe, air hose and analysis and Control system, the sampling pipe includes preceding sampling
Pipe 11 and post-sampling pipe 12, the air hose include preceding air hose 13 and rear air hose 14；The preceding sampling pipe 11 and post-sampling
The input end of pipe 12 is connect with preposition probe 2 and postposition probe 3 respectively, the outlet end of the preceding sampling pipe 11 and post-sampling pipe 12
It is connect by the first connecting tube 5 with analysis and Control system, is respectively equipped with the first gas on the preceding 11 post-sampling pipe 12 of sampling pipe
Dynamic switch 9 and the second jettron 10；The input end of the preceding air hose 13 and rear air hose 14 pass through the second connecting tube 6 with
Compressed air source 4 connects, the outlet end of the preceding air hose 13 and rear air hose 14 respectively with the first jettron 9 and the second gas
Dynamic switch 10 connects, and is respectively equipped with the first solenoid valve 7 and second solenoid valve 8, institute on the preceding air hose 13 and rear air hose 14
It states the first solenoid valve 7 and second solenoid valve 8 is connect with analysis and Control system respectively.
The analysis and Control system includes sequentially connected fore filter, gas analyzer and engine pedestal measurement control
System processed, the fore filter are connect with the first connecting tube 5, and the engine pedestal Measurement and Control System passes through control respectively
Cable is connect with the first solenoid valve 7 and second solenoid valve 8, controls the opening and closing of the first solenoid valve 7 and second solenoid valve 8.
First solenoid valve 7 and second solenoid valve 8 are normal-closed electromagnetic valve.
One in first jettron 9 and the second jettron 10 is open type jettron, another is normal
Closed form jettron.
A kind of working principle of exhaust gas post-treatment device gas concentration measurement point switching device described in the utility model are as follows:
A kind of exhaust gas post-treatment device gas concentration measurement point switching device described in the utility model, the first jettron
9 and second one in jettron 10 be open type jettron, another is closed type jettron, is pneumatically opened when first
When pass 9 is in off state, the second jettron 10 is in an open state, and the first solenoid valve 7 and second solenoid valve 8 are in pass at this time
Closed state, engine pedestal Measurement and Control System controls gas analyzer and fore filter carries out the acquisition and processing point of gas
Analysis, the preceding sampling pipe 11 at the first jettron 9 is in off state at this time, at the post-sampling pipe 12 at the second jettron 10
Gas at channel status, postposition probe 3 enters fore filter by post-sampling pipe 12 and the first connecting tube 5, and passes through
Gas analyzer is tested and analyzed, and finally be will test data and is passed to engine pedestal Measurement and Control System；
Engine pedestal Measurement and Control System controls the first solenoid valve 7 and second solenoid valve 8 is opened, at this time compressed air source
Air in 4 enters preceding air hose 13 and rear air hose 14 by the second connecting tube 6, and then is respectively acting on the first jettron
9 and second jettron 10, the first jettron 9 be in an open state, the second jettron 10 is in off state, at this time the first gas
Preceding sampling pipe 11 at dynamic switch 9 is in channel status, and the post-sampling pipe 12 at the second jettron 10 is in off state, preceding
It sets the gas at probe 2 and fore filter is entered by preceding sampling pipe 11 and the first connecting tube 5, and carried out by gas analyzer
It tests and analyzes, finally will test data and pass to engine pedestal Measurement and Control System, according to this sequence, analysis and Control system is realized
Automatically it is switched fast the detection for carrying out gas concentration between postposition probe 3 and preposition probe 2, greatly improves testing efficiency
And test accuracy rate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of exhaust gas post-treatment device gas concentration measurement point switching device, including after-treatment device (1), the post-processing dress
It sets (1) two sides and is connected with exhaust pipe, it is characterised in that: be respectively equipped on the exhaust pipe of after-treatment device (1) two sides preposition
It pops one's head in (2) and postposition pops one's head in (3)；
It further include sampling pipe, air hose and analysis and Control system, the sampling pipe includes preceding sampling pipe (11) and post-sampling pipe
(12), the air hose includes preceding air hose (13) and rear air hose (14)；
The input end of the preceding sampling pipe (11) and post-sampling pipe (12) is connect with preposition probe (2) and postposition probe (3) respectively,
The outlet end of the preceding sampling pipe (11) and post-sampling pipe (12) passes through the first connecting tube (5) and connect with analysis and Control system,
The first jettron (9) and the second jettron (10) are respectively equipped on preceding sampling pipe (11) the post-sampling pipe (12)；
The input end of the preceding air hose (13) and rear air hose (14) passes through the second connecting tube (6) and compressed air source (4)
It is pneumatically opened with the first jettron (9) and second respectively the outlet end of connection, the preceding air hose (13) and rear air hose (14)
(10) connection is closed, is respectively equipped with the first solenoid valve (7) and second solenoid valve on the preceding air hose (13) and rear air hose (14)
(8), first solenoid valve (7) and second solenoid valve (8) are connect with analysis and Control system respectively.
2. a kind of exhaust gas post-treatment device gas concentration measurement point switching device according to claim 1, it is characterised in that:
The analysis and Control system includes sequentially connected fore filter, gas analyzer and engine pedestal Measurement and Control System,
The fore filter is connect with the first connecting tube (5), and the engine pedestal Measurement and Control System passes through controlling cable respectively
It is connect with the first solenoid valve (7) and second solenoid valve (8), controls the opening and closing of the first solenoid valve (7) and second solenoid valve (8).
3. a kind of exhaust gas post-treatment device gas concentration measurement point switching device according to claim 2, it is characterised in that:
First solenoid valve (7) and second solenoid valve (8) are normal-closed electromagnetic valve.
4. a kind of exhaust gas post-treatment device gas concentration measurement point switching device according to claim 2, it is characterised in that:
One in first jettron (9) and the second jettron (10) is open type jettron, another is closed type
Jettron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957504.6U CN208520836U (en) | 2018-06-21 | 2018-06-21 | A kind of exhaust gas post-treatment device gas concentration measurement point switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957504.6U CN208520836U (en) | 2018-06-21 | 2018-06-21 | A kind of exhaust gas post-treatment device gas concentration measurement point switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208520836U true CN208520836U (en) | 2019-02-19 |
Family
ID=65325976
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820957504.6U Expired - Fee Related CN208520836U (en) | 2018-06-21 | 2018-06-21 | A kind of exhaust gas post-treatment device gas concentration measurement point switching device |
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| Country | Link |
|---|---|
| CN (1) | CN208520836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593856A (en) * | 2018-06-21 | 2018-09-28 | 天津索克汽车试验有限公司 | A kind of exhaust gas post-treatment device gas concentration measurement point switching device |
-
2018
- 2018-06-21 CN CN201820957504.6U patent/CN208520836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593856A (en) * | 2018-06-21 | 2018-09-28 | 天津索克汽车试验有限公司 | A kind of exhaust gas post-treatment device gas concentration measurement point switching device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |