CN105275558B - Multi-path inspection type diesel engine tail gas detection device - Google Patents
Multi-path inspection type diesel engine tail gas detection device Download PDFInfo
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- CN105275558B CN105275558B CN201510769987.8A CN201510769987A CN105275558B CN 105275558 B CN105275558 B CN 105275558B CN 201510769987 A CN201510769987 A CN 201510769987A CN 105275558 B CN105275558 B CN 105275558B
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000007689 inspection Methods 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000004868 gas analysis Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 239000011159 matrix material Substances 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 239000012491 analyte Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 130
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 abstract description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229910002089 NOx Inorganic materials 0.000 description 1
- XOCUXOWLYLLJLV-UHFFFAOYSA-N [O].[S] Chemical compound [O].[S] XOCUXOWLYLLJLV-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a multi-path inspection type diesel engine tail gas detection device, a plurality of cooling filters are connected with a gas distributor, a computer controls the gas distributor to select one path of gas for subsequent filtering analysis treatment, the gas distributor is connected with a gas filter component and a gas analysis sensor component, the device has the advantages that the sampled gas discharged from the tail gas discharge pipe of the diesel engine passes through the cooling filter and then enters the gas distributor, the gas distributor is controlled by the computer, one path of the sampled gas is selected for subsequent treatment, the selected gas passes through the air filter for moisture separation, the filtered air further removes impurities through the dust filter and then enters the non-light-splitting infrared sensor, collecting oxygen, nitric oxide, nitrogen dioxide and sulfur dioxide by an electrochemical sensor in the gas analysis cavity, and then discharging the sampling gas through an discharger.
Description
Technical field
The present invention relates to a kind of monitoring device of boat diesel engine exhaust emissions, the device can be in ship separate unit or many bavins
Use, and diesel engine vent gas is monitored in oil machine running environment without mobile device realization, it is adaptable to various ships bavin
The monitoring of oil machine exhaust emissions, measurement, the device of warning.
Background technology
Diesel engine is a kind of conventional prime mover for providing power in ship domain, compared with the prime mover in other fields,
Boat diesel engine installed capacity is larger, and most ships use the configuration of many diesel engines of single ship.Exhaust emissions of diesel engine is to air
Have than more serious pollution, and because the movable pollution range of ship can also expand therewith.
Main component in diesel emission tail gas has carbon dioxide (CO2), carbon monoxide (CO), oxynitrides
(NOx) technology of, oxygen sulfur compound (SOx), hydrocarbon (HC) and particulate matter, generally monitoring ship exhaust emissions of diesel engine
In field, the monitoring method to discharge gas is to be tested using upper stage or monitoring device is moved into ship, to operating bavin
Oil machine is detected；During detection, by diesel engine plus with certain load running, the tail gas of diesel emission is extracted, by these gases
Analyzed, measure the content of various gases, then converted, draw the exhaust emissions index parameter of the diesel engine, so as to come
Judge whether the exhaust emissions of the diesel engine meets standard.Though such a mode can measure the discharge index of diesel engine vent gas, only
It can be measured before new machine dispatches from the factory or periodically.After being come into operation with diesel engine, the internal structure of diesel engine weares and teares, uses ring
The not equal factor influence of border change, fuel qualities, exhaust emissions index can change therewith, cause pollution emission to lose
Control.If controlling the situation of boat diesel engine exhaust emissions in operation, upper stage experiment must be carried out again, or by huge prison
Device is surveyed to be attached on ship to diesel engine progress by platform dismounting measurement, it is extremely inconvenient.If not controlling the operating tail of boat diesel engine
Gas emission status, can not just judge whether exhaust emissions of diesel engine meets standard, and exhaust emissions of diesel engine is once exceeded to be disobeyed
Anti- international organization or home government are to preventing the regulation of air pollution.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of multi channel testing formula diesel engine vent gas detection means.
Solve the technical scheme that the technical problem of the present invention needs to provide：Multi channel testing formula diesel engine vent gas detection means,
It is characterized in that the gas controlled including multiple cooling filters connected with exhaust emissions of diesel engine pipe, by computer is distributed
The gentle body analyte sensors component of device, gas filtration device assembly, described multiple cooling filters and described gas distributor
Connection, wherein gas carries out subsequent filter analyzing and processing, described gas distribution to computer control gas distributor gating all the way
Device is connected with described gas filtration device assembly and described gas analysis sensor component.
Further preferred scheme of the invention：Tail gas after being handled through gas filtration device assembly re-enters into gas distribution
After device, then from gas distributor enter gas analysis sensor component.
Further preferred scheme of the invention：Described gas distributor include matrix, multiple two-position two-way solenoid valves and
One two-position three way magnetic valve, described two-position two-way solenoid valve and two-position three way magnetic valve are arranged on described matrix, institute
The gas passage of multiselect one and alternative gas passage are provided with the matrix stated, described multiple two-position two-way solenoid valves correspond to
The described gas channel of multiselect one, described two-position three way magnetic valve corresponds to alternative gas passage, described cold filtration
Device is connected with the gas passage of multiselect one, and gas filtration device assembly is connected with alternative gas passage.
Further preferred scheme of the invention：Gas filtration device assembly includes air cleaner and dust filter unit, described
The outlet of the gas passage of multiselect one of gas distributor be connected with air cleaner, air cleaner connects with dust filter unit
Connect, the import connection of the alternative gas passage of dust filter unit and gas distributor.
Further preferred scheme of the invention：Described gas analysis sensor component include not light splitting infrared sensor and
The first cylinder body connection of gas analysis chamber, gas distributor and duplex air pump, the first cylinder body of duplex air pump and not light splitting are infrared
Sensor is connected, and not light splitting infrared sensor is connected with gas analysis chamber.
Further preferred scheme of the invention：Described gas analysis chamber is connected with escaper.
Further preferred scheme of the invention：Described air cleaner is connected with Vapor adsorption device, Vapor adsorption device with
The second cylinder body connection of duplex air pump, the second cylinder body of duplex air pump is connected with escaper.
Further preferred scheme of the invention：Described air purifier and the alternative gas passage of gas distributor
Import is connected.
Further preferred scheme of the invention：The described gas passage of multiselect one includes multiple first air inlets, confluxes logical
Road and first gas outlet, described multiple first air inlets are connected by busway with the first described gas outlet, institute
The alternative gas passage stated includes the second air inlet and the second gas outlet, described the second air inlet and the second described outlet
Mouth connection, a described two-position two-way solenoid valve corresponds to first air inlet, described two-position three way magnetic valve correspondence
In the second air inlet, described busway and the section of the second gas outlet are circle, described busway and the second outlet
Separated between mouthful by steel ball.
Further preferred scheme of the invention：Described matrix is the blocks of rectangular cross-section, multiple first air inlets
A side of matrix is disposed side by side on the second air inlet, the first described gas outlet is located at the first air inlet with the second gas outlet
Offside.
Compared with prior art, it is an advantage of the invention that the sample gas discharged from exhaust emissions of diesel engine pipe passes through cooling
To gas distributor after filter, gas distributor is gated from multi-channel sampling gas and carried out all the way subsequently by computer control
Processing, is strobed gas and carries out moisture separation by air cleaner, the air after filtering is further by dust filter unit again
Enter the constituent analysis collection that carbon dioxide, carbon monoxide, hydrocarbon are carried out regardless of light infrared sensor after removal filtration,
Then pass through gas analysis chamber, when gas analysis intracavitary is by electrochemical sensor carry out oxygen, nitric oxide, nitrogen dioxide,
The composition collection of sulfur dioxide, then discharges sample gas by escaper.
Brief description of the drawings
Fig. 1 is structure chart of the invention；
Fig. 2 is the structure chart of the gas distributor of the present invention.
Fig. 3 is the structure chart of the matrix of the present invention；
Fig. 4 is the theory diagram of the distributor of the present invention；
Fig. 5 is the structure chart of the gas analysis chamber of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, multi channel testing formula diesel engine vent gas detection means, including multiple connected with exhaust emissions of diesel engine pipe
Cooling filter 1, the gas distributor 2 controlled by computer, the gentle body analyte sensors component of gas filtration device assembly, it is many
Individual cooling filter 1 is connected with gas distributor 2, computer control gas distributor 2 gate wherein all the way gas carry out it is follow-up
Filter analysis processing, gas distributor 2 is connected with gas filtration device assembly and gas analysis sensor component.Cooling filter 1
Effect be used for cool down collected gas, prevent follow-up component too high and undermined because of sample gas temperature, while in device
Filtration core is mounted with inside part, for filtering the bulky grain thing being sampled in gas, thus caused pipeline blockage and member is prevented
Device is damaged.
As shown in figure 4, the effect of gas distributor 2 is that the sensor being equipped with device once can only be to a gas sample
Analyzed, so when needing to be selectively turned on after multipath gas access device.After each gas access port, one is set directly
Dynamic formula two-position two-way solenoid valve 15, controls being passed through for gas, oxygen sensor needs to use fresh air in addition by magnetic valve 15
Carry out separately setting a direct-acting type two-position three-way solenoid valve 16 in line clear and calibration, gas distributor, pass through for gating
The fresh air of air cleaning unit and the gas gathered by dust filter unit, the folding of magnetic valve pass through electromagnetism by computer
Valve control is realized.
Gas distributor 2 is made up of nine two electromagnetic valve cores and a matrix, and its function is the upper tunnels of Shi Jiang eight sampling gas
Air pump is wherein sent into all the way in body or all the way fresh air.Sample gas is needed by filtering and impurity removing before air pump is entered,
And fresh air just can be directly entered air pump after simple filtration.The present invention is actually by the valve element of alternative and one
Eight select one valve element to integrate, and eight two-position two-way solenoid valves are used for eight tunnel sample gas gatings all the way, one two
Three-way magnetic valve is used to gate sample gas or fresh air.
Tail gas after being handled through gas filtration device assembly is re-entered into after gas distributor 2, then is entered from gas distributor 2
Enter to gas analysis sensor component.
Gas filtration device assembly includes air cleaner 4 and dust filter unit 5, and the gas of multiselect one of gas distributor 2 leads to
The outlet in road is connected with air cleaner 4, and air cleaner 4 connects 5 with dust filter unit and connect, and dust filter unit 5 is distributed with gas
The import connection of the alternative gas passage of device 2.Filter paper is installed, for filtering tiny particles content in dust filter unit.
Gas analysis sensor component includes not light splitting infrared sensor 6 and gas analysis chamber 7, the two of gas distributor 2
The outlet of a gas passage is selected to be connected with the first cylinder body 9 of duplex air pump 8, the first cylinder body 9 of duplex air pump 8 and not light splitting are infrared
Sensor 6 is connected, and not light splitting infrared sensor 6 is connected with gas analysis chamber 7.Duplex air pump 8 is used to promote collection gas flowing
Property make to be sampled gas fully flowing and the effect of discharge steam in pipeline.
Gas analysis chamber 7 is connected with escaper 10.
Air cleaner 4 is connected with Vapor adsorption device 11, and the second cylinder body 12 of Vapor adsorption device 11 and duplex air pump 8 connects
Connect, the second cylinder body 12 of duplex air pump 8 is connected with escaper 10.The moisture content that air cleaner is used in discrete sampling gas.Water
Filter core is installed inside vapour absorber 11, liquid moisture content is adsorbed with non-chemical modes.
Air purifier 13 is connected with the import of the alternative gas passage of gas distributor 2.Inside air purifier 13
Filter core is installed, the surrounding air introduction pipeline after particulate matter will be removed, for calibrating oxygen sensor or cleaning channels.
The effect of calibrating gas inlet 23 is unidirectional air injector, is used during pick up calibration, the mark of fixed concentration
Quasi- gas injects from this mouth, verification and calibration sensor.Not light splitting infrared sensor 6 is using gas with various to the red of different frequency
The different principle of outer absorptivity analyzes carbon monoxide, carbon dioxide and the content of hydrocarbon.As shown in figure 5, gas
Analysis cavity 7 is provided with four sensor connectors, can access oxygen sensor 24, nitric oxide sensor 25, nitrogen dioxide sensing
Device 26, SO 2 sensor 27.Escaper 10 be used to discharging it is tested after gas, and the steam after being filtered.
As shown in Figures 2 and 3, gas distributor, including matrix 14,8 two-position two-way solenoid valves 15 and one two three
Three-way electromagnetic valve 16, two-position two-way solenoid valve 15 and two-position three way magnetic valve 16 are arranged on matrix 14, are provided with matrix 14 many
A gas passage and alternative gas passage are selected, 8 two-position two-way solenoid valves 15 correspond to the gas channel of multiselect one, two-position three way
Magnetic valve 16 corresponds to alternative gas passage, and cooling filter 1 is connected with the gas passage of multiselect one, gas filtration device assembly and
Alternative gas passage is connected.One magnetic valve is selected to integrate the magnetic valve of alternative and one eight, eight two
Position two-way electromagnetic valve is used for eight tunnel sample gas gatings all the way, and a two-position three way magnetic valve is used to gate sample gas or new
Fresh air.
The gas passage of multiselect one includes multiple first air inlets 17, busway 18 and first gas outlet 19, multiple
First air inlet 17 is connected by busway 18 with the first gas outlet 19, and alternative gas passage includes the He of the second air inlet 20
Second gas outlet 21, the second air inlet 20 is connected with the second gas outlet 21, and two-position two-way solenoid valve 15 corresponds to one the
One air inlet 17, two-position three way magnetic valve 16 corresponds to the second air inlet 20, the section of the gas outlet 21 of busway 18 and second
For circle, busway 18 and second is separated between gas outlet 21 by steel ball 22.Matrix is the blocks of rectangular cross-section, many
The individual air inlet 20 of first air inlet 17 and second is disposed side by side on a side of matrix, the first gas outlet 19 and the second gas outlet 21
Positioned at the offside of the first air inlet 17.
A kind of multi channel testing formula diesel engine vent gas detection means provided by the present invention is described in detail above, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help understands the present invention and core concept.It should be pointed out that for those skilled in the art, not departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (9)
1. multi channel testing formula diesel engine vent gas detection means, it is characterised in that connected including multiple with exhaust emissions of diesel engine pipe
The gentle body analyte sensors component of cooling filter, the gas distributor controlled by computer, gas filtration device assembly, it is described
Multiple cooling filters are connected with described gas distributor, and wherein gas is carried out computer control gas distributor gating all the way
Subsequent filter is analyzed and processed, described gas distributor and described gas filtration device assembly and described gas analysis sensor
Component is connected；
Tail gas after being handled through gas filtration device assembly is re-entered into after gas distributor, then enters gas from gas distributor
Body analyte sensors component.
2. multi channel testing formula diesel engine vent gas detection means according to claim 1, it is characterised in that described gas point
Orchestration includes matrix, multiple two-position two-way solenoid valves and a two-position three way magnetic valve, described two-position two-way solenoid valve and two
Position-3-way solenoid valve is arranged on described matrix, and the gas passage of multiselect one is provided with described matrix and alternative gas is logical
Road, described multiple two-position two-way solenoid valves correspond to the described gas channel of multiselect one, described two-position three way magnetic valve pair
It should be connected in alternative gas passage, described cooling filter with the gas passage of multiselect one, gas filtration device assembly and two choosings
One gas passage is connected.
3. multi channel testing formula diesel engine vent gas detection means according to claim 2, it is characterised in that pneumatic filter group
Part includes air cleaner and dust filter unit, the outlet and air filtration of the gas passage of multiselect one of described gas distributor
Device is connected, air cleaner is connected with dust filter unit, and the alternative gas passage of dust filter unit and gas distributor enters
Mouth connection.
4. multi channel testing formula diesel engine vent gas detection means according to claim 3, it is characterised in that described gas point
Analysing sensor cluster includes the first cylinder body company of not light splitting infrared sensor and gas analysis chamber, gas distributor and duplex air pump
Connect, the first cylinder body of duplex air pump is connected with not light splitting infrared sensor, and not light splitting infrared sensor is connected with gas analysis chamber.
5. multi channel testing formula diesel engine vent gas detection means according to claim 4, it is characterised in that described gas point
Analysis chamber is connected with escaper.
6. multi channel testing formula diesel engine vent gas detection means according to claim 5, it is characterised in that described air mistake
Filter is connected with Vapor adsorption device, the connection of the second cylinder body of Vapor adsorption device and duplex air pump, the second cylinder body of duplex air pump with
Escaper is connected.
7. multi channel testing formula diesel engine vent gas detection means according to claim 2, it is characterised in that air purifier with
The import connection of the alternative gas passage of gas distributor.
8. multi channel testing formula diesel engine vent gas detection means according to claim 2, it is characterised in that described multiselect one
Gas passage includes multiple first air inlets, busway and first gas outlet, and described multiple first air inlets pass through
Busway is connected with the first described gas outlet, and described alternative gas passage includes the second air inlet and the second outlet
Mouthful, the second described air inlet is connected with the second described gas outlet, and a described two-position two-way solenoid valve corresponds to one
First air inlet, described two-position three way magnetic valve corresponds to the second air inlet, described busway and the second gas outlet
Section is circle, is separated between described busway and the second gas outlet by steel ball.
9. multi channel testing formula diesel engine vent gas detection means according to claim 8, it is characterised in that described matrix is
The blocks of rectangular cross-section, multiple first air inlets and the second air inlet are disposed side by side on a side of matrix, described
One gas outlet is located at the offside of the first air inlet with the second gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769987.8A CN105275558B (en) | 2015-11-12 | 2015-11-12 | Multi-path inspection type diesel engine tail gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769987.8A CN105275558B (en) | 2015-11-12 | 2015-11-12 | Multi-path inspection type diesel engine tail gas detection device |
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| Publication Number | Publication Date |
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| CN105275558A CN105275558A (en) | 2016-01-27 |
| CN105275558B true CN105275558B (en) | 2017-07-28 |
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| CN201510769987.8A Expired - Fee Related CN105275558B (en) | 2015-11-12 | 2015-11-12 | Multi-path inspection type diesel engine tail gas detection device |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6571037B2 (en) * | 2016-03-31 | 2019-09-04 | 日本碍子株式会社 | Gas sensor inspection device |
| CN105865853B (en) * | 2016-05-16 | 2020-04-03 | 威海捷诺曼自动化科技有限公司 | Ship exhaust emission online analysis system and analysis method using same |
| CN106124712A (en) * | 2016-08-31 | 2016-11-16 | 青岛欧森系统技术有限公司 | A kind of boats and ships fume continuous monitoring system |
| CN106706856A (en) * | 2017-01-05 | 2017-05-24 | 贵州中航交通科技有限公司 | Automobile exhaust gas detection workshop |
| CN107085398A (en) * | 2017-05-26 | 2017-08-22 | 华南理工大学 | A line inspection module based on stm32 high-speed AD sampling |
| CN107340212A (en) * | 2017-08-18 | 2017-11-10 | 山东诺方电子科技有限公司 | A kind of Atmospheric particulates on-line monitoring equipment based on taxi dome lamp |
| US20230009342A1 (en) * | 2020-03-16 | 2023-01-12 | SeaArctos Holdings LLC | Autonomous real-time sulfur dioxide and carbon dioxide monitor for marine exhaust emissions |
| CN113533635B (en) * | 2020-04-17 | 2025-02-25 | 中国石油天然气股份有限公司 | Motor vehicle exhaust detection device |
| CN114814095A (en) * | 2022-04-18 | 2022-07-29 | 中船动力研究院有限公司 | Diesel engine emission measurement system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709082A (en) * | 1994-06-27 | 1998-01-20 | General Motors Corporation | Modulation schemes for on-board diagnostic exhaust system |
| JP2004100519A (en) * | 2002-09-06 | 2004-04-02 | Toyota Motor Corp | Engine system abnormality detection device |
| JP2009228639A (en) * | 2008-03-25 | 2009-10-08 | Mitsubishi Motors Corp | Exhaust heat recovery device for internal combustion engine |
| CN103821693A (en) * | 2014-01-14 | 2014-05-28 | 李健宝 | Dual-cylinder charging pump with end cap cylinder assemblies |
| CN205154325U (en) * | 2015-11-12 | 2016-04-13 | 舟山市三峰电气设备有限公司 | Multi-path inspection type diesel engine tail gas detection device |
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