CN106401718A - Control system of double-cavity automobile tail gas treatment device - Google Patents
Control system of double-cavity automobile tail gas treatment device Download PDFInfo
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- CN106401718A CN106401718A CN201610634780.4A CN201610634780A CN106401718A CN 106401718 A CN106401718 A CN 106401718A CN 201610634780 A CN201610634780 A CN 201610634780A CN 106401718 A CN106401718 A CN 106401718A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/07—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas flow rate or velocity meter or sensor, intake flow meters only when exclusively used to determine exhaust gas parameters
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a control system of a double-cavity automobile tail gas treatment device. The double-cavity automobile tail gas treatment device comprises a gas inlet pipe, impurity filtering cavities, catalyst cavities and gas outlet pipes, wherein the gas inlet pipe of the automobile tail gas treatment device is directly connected with an automobile tail gas exhaust pipe and composed of an inner layer and an outer layer, the inner layer is made from thermoelectric materials, and the outer layer is a cooling layer. The gas inlet pipe communicates with a left purifying cavity and a right purifying cavity, and the left purifying cavity and the right purifying cavity are separated by a partition plate, identical in structure and each composed of the corresponding impurity filtering cavity, the corresponding catalyst cavity and the corresponding gas outlet pipe in sequence from top to bottom. Each impurity filtering cavity is internally provided with a filter screen, an impurity discharging outlet and a vent opening, and each catalyst cavity is filled with a catalyst. The vent openings of the impurity filtering cavities are connected with an air pump through ventilation pipelines, and the air pump is fixed to a supporting frame located between the left purifying cavity and the right purifying cavity. According to the control system of the double-cavity automobile tail gas treatment device, the problem that the filter screens of the automobile tail gas treatment device are blocked by solid particles can be solved, and heat energy in automobile tail gas can be effectively utilized.
Description
Technical field
The present invention relates to a kind of control system of bicavate automobile exhaust gas processing apparatus.
Background technology
With the raising of people's living standard, automobile more and more occurs in life, but gives people conveniently in band
While, a large amount of tail gas that it discharges cause pollution to environment.Automobile exhaust pollution is mainly following two aspects, and one is vapour
Chemical pollutant in tail gas and particulate pollutant impact air quality, two is to there are a large amount of waste heats in vehicle exhaust not having profit
With leading to urban heat land effect.
Existing frequently-used automobile exhaust gas processing apparatus are to first pass through filter screen to filter solid particle, then will by catalyst
Cleaning harmful gas in vehicle exhaust.This exhaust gas processing device there is problems that, after solid particle filters through filter screen, often
Often stay in exhaust gas processing device without clear, can be by filter net jam.Meanwhile, a large amount of heat energy in vehicle exhaust do not utilize
Get up, be all discharged in the air.
Content of the invention
It is an object of the invention to：For above-mentioned problem, provide a kind of bicavate automobile exhaust gas processing apparatus and
Its control system, the present invention can solve the problem that solid particle blocks the problem of automobile exhaust gas processing apparatus filter screen, can be effectively sharp
With the heat energy in vehicle exhaust.
The technical solution used in the present invention is as follows：
The invention discloses a kind of control system of bicavate automobile exhaust gas processing apparatus, described control system include MCU,
Air inlet pipe automobile emission gas analyzer module, air pump control module, 4 detection of gas flow rate modules, 6 solenoid valve control module and
Power module；Described air inlet pipe automobile emission gas analyzer module and 4 detection of gas flow rate modules connect as the input signal of MCU
On MCU；Air pump control module and 6 solenoid valve control module are connected on MCU, receive the control signal of MCU；
Described 4 detection of gas flow rate modules, respectively first gas flow detection module, it is arranged on left contaminant filter chamber
Air inlet at, for detect left purify intracavity not by the flow of vehicle exhaust before strainer filtering, by the signal detecting with mould
The form of analog quantity is sent to MCU；Second gas flow detection module, is arranged on the entrance of left catalyst chamber, for detecting a left side
Purify the flow of intracavity vehicle exhaust after strainer filtering, the signal detecting is sent to MCU in the form of analog quantity；3rd
Detection of gas flow rate module, is arranged at the air inlet in right contaminant filter chamber, for detecting right purification intracavity not by strainer filtering
The flow of front vehicle exhaust, the signal detecting is sent to MCU in the form of analog quantity；4th detection of gas flow rate module,
It is arranged on the entrance of right catalyst chamber, for detecting the right flow purifying intracavity vehicle exhaust after strainer filtering, will detect
To signal be sent to MCU in the form of analog quantity；
Described 6 solenoid valve control module, the respectively first solenoid valve control module, the second solenoid valve control module,
Three solenoid valve control module, the 4th solenoid valve control module, the 5th solenoid valve control module and the 6th solenoid valve control module, connect
Control respectively after the control signal receiving MCU corresponding first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the
The unlatching of five electromagnetic valves and the 6th electromagnetic valve and closure；
Control the start and stop of air pump after the control signal of described air pump control module reception MCU；
Control the start and stop of air pump after the control signal of described air pump control module reception MCU；
Described air inlet pipe automobile emission gas analyzer module be arranged at air inlet pipe for detecting whether have vehicle exhaust enter into
Trachea, the signal detecting is sent to MCU in the form of digital quantity.
Further, described power module be control system, each electromagnetic valve and each air pump supply, power module is by the
One power supply and second source composition, described first power supply is automobile batteries；Described second source passes through air inlet pipe for vehicle exhaust
It is stored in the electric energy in accumulator after the thermoelectric material conversion of internal layer.
A kind of control method of the control system of bicavate automobile exhaust gas processing apparatus, the control method of described control system
Comprise the following steps：
(1), before automobile starting, all electromagnetic valves are closed；
(2) after air inlet pipe automobile emission gas analyzer module has detected vehicle exhaust and entered air inlet pipe, air inlet pipe car tail
The signal detecting is sent to MCU in the form of digital quantity by gas detection module, and MCU sends control signal to the first electromagnetic valve control
Molding block controls the first electromagnetic valve to open, so that vehicle exhaust enters left purification chamber；A left side through left purification chamber for the vehicle exhaust is miscellaneous
Matter filter chamber, left catalyst chamber will be gone out by left exhaust bank of tubes after tail gas clean-up；
(3) the left intracavity that purifies of first gas flow detection module detection will not examined by the flow of vehicle exhaust before strainer filtering
The gas flow values Q1 measuring, is sent to MCU in the form of analog quantity；Second gas flow detection module detects left purification intracavity
After strainer filtering, the gas flow values detecting Q2 is sent to MCU by the flow of vehicle exhaust；
(4) gas flow values detecting Q1 and Q2 is carried out asking poor by MCU, and its difference is △ Q1, and MCU is by the difference tried to achieve
The difference △ Q setting in △ Q1 and MCU is compared, if △ is Q1>△ Q, then represent that blocking in filter screen；If △ is Q1≤△ Q,
Then represent that filter screen does not block；
(5) if △ is Q1>△ Q, then MCU send control signal give first solenoid valve control module control first electromagnetic valve close
Close, MCU sends control signal and controls the second electromagnetic valve to open to the second solenoid valve control module, allows vehicle exhaust by right purification
Chamber purifies；MCU also sends control signal and controls respectively to the 3rd solenoid valve control module, the 5th solenoid valve control module simultaneously
Three electromagnetic valves and the 5th electromagnetic valve are opened；
(6) after the 3rd electromagnetic valve and the 5th electromagnetic valve are opened, MCU sends control signal to air pump control module control
Air pump startup, after air pump sucks air, air is blowed to filter screen by ventilation shaft, thus the impurity of blocking filter screen is led to
Cross left impurity outlet to discharge；
(7), after air pump startup 15～25min, MCU sends control signal to the 3rd solenoid valve control module and the 5th electricity
Magnet valve control module controls the 3rd electromagnetic valve and the 5th closed electromagnetic valve respectively；MCU sends control signal to air pump control simultaneously
Molding block controls air pump to stop；
(8) the right intracavity that purifies of third gas flow detection module detection will not examined by the flow of vehicle exhaust before strainer filtering
The gas flow values Q3 measuring, is sent to MCU in the form of analog quantity；4th detection of gas flow rate module detects right purification intracavity
After strainer filtering, the gas flow values detecting Q4 is sent to MCU by the flow of vehicle exhaust；
(9) gas flow values detecting Q3 and Q4 is carried out asking poor by MCU, and its difference is △ Q2, and MCU is by the difference tried to achieve
The difference △ Q setting in △ Q2 and MCU is compared, if △ is Q2>△ Q, then represent that blocking in filter screen；If △ is Q2≤△ Q,
Then represent that filter screen does not block；
(10) if △ is Q2>△ Q, then MCU send control signal give second solenoid valve control module control second electromagnetic valve close
Close, MCU sends control signal and controls the first electromagnetic valve to open to the first solenoid valve control module, allows vehicle exhaust by left purification
Chamber purifies；MCU also sends control signal and controls respectively to the 4th solenoid valve control module and the 6th solenoid valve control module simultaneously
4th electromagnetic valve and the 6th electromagnetic valve are opened；
(11) after the 4th electromagnetic valve and the 6th electromagnetic valve are opened, MCU sends control signal to air pump control module control
Air pump startup processed, after air pump sucks air, air is blowed to filter screen by ventilation shaft, thus the impurity by blocking filter screen
Discharged by right impurity outlet；
(12), after air pump startup 15～25min, MCU sends control signal to the 4th solenoid valve control module and the 6th electricity
Magnet valve control module controls the 4th electromagnetic valve and the 6th closed electromagnetic valve respectively；MCU sends control signal to air pump control simultaneously
Molding block controls air pump to stop.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows：
1st, it is prevented from the filter net jam in automobile exhaust gas processing apparatus, improve the use longevity of automobile exhaust gas processing apparatus
Life.
2nd, effectively make use of the heat energy in vehicle exhaust, it is to avoid the ring that the waste of the energy and heat energy of tail gas of automobile cause
Border is polluted.
3rd, control system and control method achieve the Automated condtrol of whole exhaust gas processing device.
Brief description
Fig. 1 is the control system architecture figure of the present invention；
Fig. 2 is the bicavate automobile exhaust gas processing apparatus structure chart of the present invention；
In figure labelling：1- air inlet pipe, 2- contaminant filter chamber, 3- catalyst chamber, 4- escape pipe, 5- internal layer, 6- outer layer, 7- is left
Purify chamber, 9- right purification chamber, 10- filter screen, 11- impurity takes mouth, 12- vent, 13- catalyst, 14- ventilation duct, 15- air
Pump, 16- bracing frame, 17- first electromagnetic valve, 18- second electromagnetic valve, 19- the 3rd electromagnetic valve, 20- the 4th electromagnetic valve, 21- the 5th
Electromagnetic valve, 22- the 6th electromagnetic valve.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of bicavate automobile exhaust gas processing apparatus, including air inlet pipe 1, contaminant filter chamber 2, catalyst chamber
3, escape pipe 4, it is characterized in that, the air inlet pipe 1 of automobile exhaust gas processing apparatus is directly connected with vehicle-exhaust exhaust pipe, described air inlet
Pipe is made up of inside and outside two-layer, and internal layer 5 is thermoelectric material, and outer layer 6 is cooling layer；Air inlet pipe 1 respectively with left purification chamber 7 and right purification
Chamber 8 connects；Left purification chamber 7 and right purification chamber 8 are separated by dividing plate 9；The structure in two purification chambeies is identical, is followed successively by miscellaneous from top to bottom
Matter filter chamber 2, catalyst chamber 3 and escape pipe 4；Contaminant filter intracavity is provided with filter screen 10, impurity outlet 11 and vent 12, urges
Equipped with catalyst 13 in agent chamber 3；The vent 12 in described contaminant filter chamber 2 is connected with air pump 15 by ventilation shaft 14,
Air pump 15 is fixed on the bracing frame 16 in the middle of left purification chamber 7 and right purification chamber 8.
Further, the hot junction of the thermoelectric material of described air inlet inner tube layer 5 is directly contacted with tail gas, and cold end is connect with cooling layer
Touch, inside cooling layer, be full of coolant；There is branch the end of described air inlet pipe 1, is branched off into left purification chamber air inlet pipe and right purification
Chamber air inlet pipe, left purification chamber air inlet pipe is equiped with the first electromagnetic valve 17, right purification chamber air inlet pipe is equiped with the second electromagnetic valve
18.
Further, described air inlet inner tube layer 5 is connected with accumulator by wire, and the heat energy of vehicle exhaust passes through air inlet pipe
The thermoelectric material of internal layer 5 changes into power storage in accumulator.
Further, the filter screen 10 in described contaminant filter chamber 2 tilts 3 to 10 degree settings, and incline direction is arranged towards impurity
Outlet 11；Electromagnetic valve is provided with described impurity outlet 11, the electromagnetic valve in left impurity outlet is the 3rd electromagnetic valve 19, right
Electromagnetic valve in impurity outlet is the 4th electromagnetic valve 20；The relative direction of impurity outlet 11 is provided with vent 12, leads to
Air port 12 is located at less than filter screen 3～10mm.
Further, the T-shaped structure of described ventilation shaft 14, is made up of transverse tube and vertical tube, and the left end of transverse tube connects left logical
Air port, right-hand member connects right vent；5th electromagnetic valve 21 is provided with the left end of transverse tube, right-hand member is provided with the 6th electromagnetic valve
22；The upper end of vertical tube is connected with transverse tube, and lower end is connected with air pump 15.
The control system of the bicavate automobile exhaust gas processing apparatus described in, described control system includes MCU, air inlet pipe vapour
Tail gas detection module, air pump control module, 4 detection of gas flow rate modules and 6 solenoid valve control module；Described air inlet
Pipe automobile emission gas analyzer module and 4 detection of gas flow rate modules are connected on MCU as the input signal of MCU；Air pump control
Molding block and 6 solenoid valve control module are connected on MCU, receive the control signal of MCU；
Described 4 detection of gas flow rate modules, respectively first gas flow detection module, it is arranged on left contaminant filter chamber
Air inlet at, for detect left purify intracavity not by the flow of vehicle exhaust before strainer filtering, by the signal detecting with mould
The form of analog quantity is sent to MCU；Second gas flow detection module, is arranged on the entrance of left catalyst chamber, for detecting a left side
Purify the flow of intracavity vehicle exhaust after strainer filtering, the signal detecting is sent to MCU in the form of analog quantity；3rd
Detection of gas flow rate module, is arranged at the air inlet in right contaminant filter chamber, for detecting right purification intracavity not by strainer filtering
The flow of front automobile, the signal detecting is sent to MCU in the form of analog quantity；4th detection of gas flow rate module, installs
In the entrance of right catalyst chamber, for detecting the right flow purifying intracavity vehicle exhaust after strainer filtering, by detect
Signal is sent to MCU in the form of analog quantity；
Described 6 solenoid valve control module, the respectively first solenoid valve control module, the second solenoid valve control module,
Three solenoid valve control module, the 4th solenoid valve control module, the 5th solenoid valve control module and the 6th solenoid valve control module, connect
Control respectively after the control signal receiving MCU corresponding first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the
The unlatching of five electromagnetic valves and the 6th electromagnetic valve and closure；
Control the start and stop of air pump after the control signal of described air pump control module reception MCU.
Described air inlet pipe automobile emission gas analyzer module be arranged at air inlet pipe for detecting whether have vehicle exhaust enter into
Trachea, the signal detecting is sent to MCU in the form of digital quantity.
Further, described power module be control system, each electromagnetic valve and each air pump supply, power module is by the
One power supply and second source composition, described first power supply is automobile batteries；Described second source passes through air inlet pipe for vehicle exhaust
It is stored in the electric energy in accumulator after the thermoelectric material conversion of internal layer.
A kind of control method of the control system of bicavate automobile exhaust gas processing apparatus, is characterized in that, described control system
Control method comprise the following steps：
(1), before automobile starting, all electromagnetic valves are closed；
(2) after air inlet pipe automobile emission gas analyzer module has detected vehicle exhaust and entered air inlet pipe 1, air inlet pipe car tail
The signal detecting is sent to MCU in the form of digital quantity by gas detection module, and MCU sends control signal to the first electromagnetic valve control
Molding block controls the first electromagnetic valve 17 to open, so that vehicle exhaust enters left purification chamber；A left side through left purification chamber for the vehicle exhaust
Contaminant filter chamber, left catalyst chamber will be gone out by left exhaust bank of tubes after tail gas clean-up；
(3) the left intracavity that purifies of first gas flow detection module detection will not examined by the flow of vehicle exhaust before strainer filtering
The gas flow values Q1 measuring, is sent to MCU in the form of analog quantity；Second gas flow detection module detects left purification intracavity
After strainer filtering, the gas flow values detecting Q2 is sent to MCU by the flow of vehicle exhaust；
(4) gas flow values detecting Q1 and Q2 is carried out asking poor by MCU, and its difference is △ Q1, and MCU is by the difference tried to achieve
The difference △ Q setting in △ Q1 and MCU is compared, if △ is Q1>△ Q, then represent that blocking in filter screen；If △ is Q1≤△ Q,
Then represent that filter screen does not block；
(5) if △ is Q1>△ Q, then MCU send control signal give first solenoid valve control module control the first electromagnetic valve 17 close
Close, MCU sends control signal and controls the second electromagnetic valve 18 to open to the second solenoid valve control module, allow vehicle exhaust to pass through right net
Change chamber to purify；MCU also sends control signal and controls respectively to the 3rd solenoid valve control module and the 5th solenoid valve control module simultaneously
Make the 3rd electromagnetic valve and the 5th electromagnetic valve is opened；
(6) after the 3rd electromagnetic valve 19 and the 5th electromagnetic valve 21 are opened, MCU sends control signal to air pump control module
Control air pump 15 to start, after air pump 15 sucks air, air is blowed to filter screen by ventilation shaft, thus filter screen will be blocked
Impurity discharged by left impurity outlet；
(7), after air pump 15 starts 15～25min, MCU sends control signal to the 3rd solenoid valve control module and the 5th
Solenoid valve control module controls the 3rd electromagnetic valve and the 5th closed electromagnetic valve respectively；MCU sends control signal to air pump simultaneously
Control module controls air pump 15 to stop；
(8) the right intracavity that purifies of third gas flow detection module detection will not examined by the flow of vehicle exhaust before strainer filtering
The gas flow values Q3 measuring, is sent to MCU in the form of analog quantity；4th detection of gas flow rate module detects right purification intracavity
After strainer filtering, the gas flow values detecting Q4 is sent to MCU by the flow of vehicle exhaust；
(9) gas flow values detecting Q3 and Q4 is carried out asking poor by MCU, and its difference is △ Q2, and MCU is by the difference tried to achieve
The difference △ Q setting in △ Q2 and MCU is compared, if △ is Q2>△ Q, then represent that blocking in filter screen；If △ is Q2≤△ Q,
Then represent that filter screen does not block；
(10) if △ is Q2>△ Q, then MCU send control signal give second solenoid valve control module control second electromagnetic valve close
Close 18, MCU send control signal give first solenoid valve control module control the first electromagnetic valve 17 open, allow vehicle exhaust pass through a left side
Purify chamber to purify；MCU also sends control signal to the 4th solenoid valve control module and the 6th solenoid valve control module difference simultaneously
The 4th electromagnetic valve and the 6th electromagnetic valve is controlled to open；
(11) after the 4th electromagnetic valve 20 and the 6th electromagnetic valve 22 are opened, MCU sends control signal and controls mould to air pump
Block controls air pump 15 to start, and after air pump 15 sucks air, air is blowed to filter screen by ventilation shaft, thus blocking is filtered
The impurity of net is discharged by right impurity outlet；
(12), after air pump startup 15～25min, MCU sends control signal to the 4th solenoid valve control module and the 6th electricity
Magnet valve control module controls the 4th electromagnetic valve and the 6th closed electromagnetic valve respectively；MCU sends control signal to air pump control simultaneously
Molding block controls air pump 15 to stop.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (3)
1. a kind of control system of bicavate automobile exhaust gas processing apparatus, is characterized in that, described control system includes MCU, air inlet
Pipe automobile emission gas analyzer module, air pump control module, 4 detection of gas flow rate modules, 6 solenoid valve control module and power supply
Module, described air inlet pipe automobile emission gas analyzer module and 4 detection of gas flow rate modules are connected to as the input signal of MCU
On MCU, air pump control module and 6 solenoid valve control module are connected on MCU, receive the control signal of MCU.
Described 4 detection of gas flow rate modules, respectively first gas flow detection module, it is arranged on entering of left contaminant filter chamber
At QI KOU, for detect left purify intracavity not by the flow of vehicle exhaust before strainer filtering, by the signal detecting with analog quantity
Form be sent to MCU, second gas flow detection module, be arranged on the entrance of left catalyst chamber, for detecting left purification
The flow of intracavity vehicle exhaust after strainer filtering, the signal detecting is sent to MCU, third gas in the form of analog quantity
Flow detection module, is arranged at the air inlet in right contaminant filter chamber, for detecting right purification intracavity not by vapour before strainer filtering
The flow of tail gas, the signal detecting is sent to MCU in the form of analog quantity, the 4th detection of gas flow rate module, installs
In the entrance of right catalyst chamber, for detecting the right flow purifying intracavity vehicle exhaust after strainer filtering, by detect
Signal is sent to MCU in the form of analog quantity.
Described 6 solenoid valve control module, the respectively first solenoid valve control module, the second solenoid valve control module, the 3rd electricity
Magnet valve control module, the 4th solenoid valve control module, the 5th solenoid valve control module and the 6th solenoid valve control module, receive
Control respectively after the control signal of MCU corresponding first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th
The unlatching of electromagnetic valve and the 6th electromagnetic valve and closure.
Control the start and stop of air pump after the control signal of described air pump control module reception MCU.
Described air inlet pipe automobile emission gas analyzer module is arranged at air inlet pipe for detecting whether there being vehicle exhaust to enter air inlet pipe,
The signal detecting is sent to MCU in the form of digital quantity.
2. the control system of bicavate automobile exhaust gas processing apparatus according to claim 1, is characterized in that, described power supply mould
Block is that control system, each electromagnetic valve and each air pump are powered, and power module is made up of the first power supply and second source, described
First power supply is automobile batteries, and described second source is stored in after the thermoelectric material conversion of air inlet inner tube layer for vehicle exhaust
Electric energy in accumulator.
3. the control method of the control system of a kind of bicavate automobile exhaust gas processing apparatus according to claim 1 and 2, its
Feature is that the control method of described control system comprises the following steps：
(1), before automobile starting, all electromagnetic valves are closed.
(2) after air inlet pipe automobile emission gas analyzer module has detected vehicle exhaust and entered air inlet pipe, air inlet pipe vehicle exhaust is examined
Survey module and the signal detecting is sent to MCU in the form of digital quantity, MCU sends control signal to the first solenoid valve control mould
Block controls the first electromagnetic valve to open, so that vehicle exhaust enters left purification chamber, the left impurity mistake through left purification chamber for the vehicle exhaust
Filter chamber, left catalyst chamber will be gone out by left exhaust bank of tubes after tail gas clean-up.
(3) the left intracavity that purifies of first gas flow detection module detection will not detected by the flow of vehicle exhaust before strainer filtering
Gas flow values Q1, be sent to MCU in the form of analog quantity, second gas flow detection module detection left purification intracavity is through filter
After net filtration, the gas flow values detecting Q2 is sent to MCU by the flow of vehicle exhaust.
(4) gas flow values detecting Q1 and Q2 is carried out asking poor by MCU, and its difference is △ Q1, and MCU is by difference △ tried to achieve Q1
It is compared with the difference △ Q setting in MCU, if △ is Q1>△ Q then it represents that blocking in filter screen, if △ Q1≤△ Q, table
Show that filter screen does not block.
(5) if △ is Q1>△ Q, then MCU send control signal give first solenoid valve control module control the first closed electromagnetic valve, MCU
Sending control signal controls the second electromagnetic valve to open to the second solenoid valve control module, makes vehicle exhaust net by right purification chamber
Change, MCU also sends control signal and controls the 3rd respectively to the 3rd solenoid valve control module and the 5th solenoid valve control module simultaneously
Electromagnetic valve and the 5th electromagnetic valve are opened.
(6) after the 3rd electromagnetic valve and the 5th electromagnetic valve are opened, MCU sends control signal and controls air to air pump control module
Pump startup, after air pump sucks air, air is blowed to filter screen by ventilation shaft, thus the impurity of blocking filter screen is passed through a left side
Impurity outlet is discharged.
(7), after air pump startup 15～25min, MCU sends control signal to the 3rd solenoid valve control module and the 5th electromagnetic valve
Control module controls the 3rd electromagnetic valve and the 5th closed electromagnetic valve, and MCU sends control signal to air pump control module control simultaneously
Air pump processed stops.
(8) the right intracavity that purifies of third gas flow detection module detection will not detected by the flow of vehicle exhaust before strainer filtering
Gas flow values Q3, be sent to MCU in the form of analog quantity, the 4th detection of gas flow rate module detection right purification intracavity through filter
After net filtration, the gas flow values detecting Q4 is sent to MCU by the flow of vehicle exhaust.
(9) gas flow values detecting Q3 and Q4 is carried out asking poor by MCU, and its difference is △ Q2, and MCU is by difference △ tried to achieve Q2
It is compared with the difference △ Q setting in MCU, if △ is Q2>△ Q then it represents that blocking in filter screen, if △ Q2≤△ Q, table
Show that filter screen does not block.
(10) if △ is Q2>△ Q, then MCU send control signal give second solenoid valve control module control the second closed electromagnetic valve,
MCU sends control signal and controls the first electromagnetic valve to open to the first solenoid valve control module, allows vehicle exhaust by left purification chamber
Purify, MCU also sends control signal and controls the respectively to the 4th solenoid valve control module and the 6th solenoid valve control module simultaneously
Four electromagnetic valves and the 6th electromagnetic valve are opened.
(11) after the 4th electromagnetic valve and the 6th electromagnetic valve are opened, MCU sends control signal and controls sky to air pump control module
Air pump starts, and after air pump sucks air, air is blowed to filter screen by ventilation shaft, thus the impurity of blocking filter screen is passed through
Right impurity outlet is discharged.
(12), after air pump startup 15～25min, MCU sends control signal to the 4th solenoid valve control module control and the 6th electromagnetism
Valve control module controls the 4th electromagnetic valve and the 6th closed electromagnetic valve respectively, and MCU sends control signal to air pump control simultaneously
Module controls air pump to stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634780.4A CN106401718A (en) | 2016-12-15 | 2016-12-15 | Control system of double-cavity automobile tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634780.4A CN106401718A (en) | 2016-12-15 | 2016-12-15 | Control system of double-cavity automobile tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106401718A true CN106401718A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610634780.4A Withdrawn CN106401718A (en) | 2016-12-15 | 2016-12-15 | Control system of double-cavity automobile tail gas treatment device |
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| Country | Link |
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| CN (1) | CN106401718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176145A (en) * | 2017-12-29 | 2018-06-19 | 福建省雾精灵环境科技有限公司 | The intelligent back cleaning system of gas station's gaseous environment |
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2016
- 2016-12-15 CN CN201610634780.4A patent/CN106401718A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176145A (en) * | 2017-12-29 | 2018-06-19 | 福建省雾精灵环境科技有限公司 | The intelligent back cleaning system of gas station's gaseous environment |
| CN108176145B (en) * | 2017-12-29 | 2021-12-31 | 福建省雾精灵环境科技有限公司 | Intelligent anti-cleaning system for gas environment of gas station |
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Application publication date: 20170215 |