CN109667649A - A kind of monitoring system and method for the main passive regeneration DPF system of intelligent recognition - Google Patents
A kind of monitoring system and method for the main passive regeneration DPF system of intelligent recognition Download PDFInfo
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- CN109667649A CN109667649A CN201811609324.XA CN201811609324A CN109667649A CN 109667649 A CN109667649 A CN 109667649A CN 201811609324 A CN201811609324 A CN 201811609324A CN 109667649 A CN109667649 A CN 109667649A
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- dpf
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- regeneration dpf
- intelligent recognition
- sensor
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Classifications
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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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention discloses a kind of monitoring system and method for main passive regeneration DPF system of intelligent recognition, which includes initiative regeneration DPF controller, carries out dpf regeneration control for controlling the initiative regeneration DPF system sprayed after tail pipe；Exhaust gas temperature sensor, for measuring the delivery temperature of DOC entrance, DPF import and export；Back pressure transducer, for measure DOC import, DPF import and export by pressure pressure；Differential pressure pickup, for measuring the pressure difference of DOC import and export and the pressure difference of DPF import and export；Current system configuration is initiative regeneration DPF system or passive regeneration DPF system to the intelligent recognition DPF monitoring device for identification, and corresponds to the quantity, type and the signal value of each sensor acquisition of the sensor of identification and display connection.The present invention can intelligent recognition to go out current DPF configuration be initiative regeneration DPF system or passive regeneration DPF system, it is adaptable, it is at low cost.
Description
Technical field
The present invention relates to passive regeneration DPF monitoring technology field more particularly to a kind of intelligent recognition main passive regeneration DPF systems
The monitoring system and method for system.
Background technique
Particle trap (Diesel Particulate Filter, DPF) system is that one kind is mounted on diesel engine row
Ceramic filter in place system, it can be captured before Particulate Emission substance enters atmosphere.For pure passive regeneration
DPF system, the temperature of DPF and pressure difference etc. are key factors, need to monitor in real time, in order to avoid exhaust is forced through and high causes system
Damage.At present in-use automotive repacking post-processing market competition be growing more intense, the rhythm that the system of accelerating is weeded out the old and bring forth the new, from research and development,
It produces and sells and services the systemic cooperative ability of entire chain and propose requirements at the higher level.Not according to the configuration of after-treatment system
Together, client proposes different monitoring, and DPF instrument can not identify the number amount and type of connection sensor, different passive regeneration DPF
System needs to configure different display instruments, how intelligent recognition passive regeneration DPF monitoring system, more preferably meet client's faster
It is required that becoming the important indicator of each producer of customer evaluation, it would be highly desirable to solve.
Summary of the invention
It is an object of the invention to the monitoring system and methods by a kind of main passive regeneration DPF system of intelligent recognition, come
Solve the problems, such as that background section above is mentioned.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of monitoring system of the main passive regeneration DPF system of intelligent recognition, the system include: initiative regeneration DPF controller,
Intelligent recognition DPF monitoring device, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup and connection wiring harness；The master
Dynamic regeneration DPF controller is used to control the initiative regeneration DPF system sprayed after tail pipe and carries out dpf regeneration control；The delivery temperature
Sensor is used to measure the delivery temperature of DOC entrance, DPF entrance and the exit DPF；The back pressure transducer is used for
Measure DOC import, DPF import and the exit DPF by pressure pressure；The differential pressure pickup is for measuring DOC import and export
The pressure difference of pressure difference and DPF import and export；The harness is for connecting initiative regeneration DPF controller, intelligent recognition DPF monitor
Table, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup；The intelligent recognition DPF monitoring device for identification when
Preceding system configuration is initiative regeneration DPF system or passive regeneration DPF system, and corresponds to the sensor of identification and display connection
Quantity, type and each sensor acquisition signal value.
Particularly, the intelligent recognition DPF monitoring device includes: voltage acquisition module, physical signal processing module, CAN
Communication module, intelligent identification module, display module, data memory module and alarm module；The voltage acquisition module is used for
Acquire the voltage signal of exhaust gas temperature sensor, back pressure transducer, differential pressure pickup；The physical signal processing module is used
In by acquisition the voltage signal be calculated as temperature, pressure and pressure difference physical signal；The CAN communication module is for receiving master
The parameter and fault message that dynamic regeneration DPF controller is sent；The intelligent identification module, the sensor type connected for identification
And quantity；The display module is used to show quantity, type and the physical signal value identified of the sensor of connection；It is described
Data memory module is for storing the quantity of sensor, type and the physical signal value identified；The alarm mould
Block is in time alarming to related personnel after receiving fault-signal.
Particularly, the exhaust gas temperature sensor, back pressure transducer, the type of differential pressure pickup and quantity are according to matching
It sets and is selected.
Particularly, the alarm module is specifically used for: when current system configuration is passive regeneration DPF system, to sensing
Device removes, short circuit, is forced through that big, pressure difference is excessive alarms；When current system configuration is initiative regeneration DPF system, receive
The fault message of the initiative regeneration DPF controller transmission simultaneously carries out fault cues and alarm.
Based on the monitoring system of the main passive regeneration DPF system of above-mentioned intelligent recognition, the invention also discloses a kind of intelligence to know
The monitoring method of not main passive regeneration DPF system, this method comprises:
S101. being connected as requested with sensor, initiative regeneration DPF controller, intelligent recognition DPF monitoring device by needs
It connects on harness；
S102. after system electrification, start to acquire the data in CAN bus；
Whether the data identification current system configuration that S103. intelligent identification module is sent according to CAN communication module is actively
DPF system is regenerated, if it is not, then determining that current system configuration is passive regeneration DPF system；
If S104. intelligent identification module identification current system configuration is passive regeneration DPF system, voltage acquisition module
Start to acquire the voltage signal of each sensor；Physical signal processing module is connected on harness according to voltage signal calculating
The physical signal value of each sensor；
S105. display module shows the data or calculated parameter value that CAN communication module receives；
S106. data memory module will identify that DPF monitoring system type, the quantity of sensor, type and corresponding
Physical signal value is stored；
S107. alarm module in real time alarms to related personnel after receiving fault-signal.
Particularly, the step S103 includes: the initiative regeneration DPF that intelligent identification module is sent according to CAN communication module
Whether the message that controller is sent, identification initiative regeneration DPF controller access whether i.e. current system configuration is initiative regeneration DPF
System.
Particularly, the step S105 is specifically included: if intelligent identification module identification current system configuration be passively again
Raw DPF system, then display module shows to be the calculated parameter information of physical signal processing module；If intelligent identification module is known
Other current system configuration is initiative regeneration DPF system, then show be CAN communication module send message information.
Particularly, the step S107 is specifically included: when current system configuration is passive regeneration DPF system, mould of alarming
Block removes sensor, short circuit, is forced through that big, pressure difference is excessive alarms；Current system configuration is initiative regeneration DPF system
When, alarm module receives the fault message that the initiative regeneration DPF controller is sent and carries out fault cues and alarm.
The monitoring system and method for the main passive regeneration DPF system of intelligent recognition proposed by the present invention can intelligent recognition go out work as
Preceding DPF configuration is initiative regeneration DPF system or passive regeneration DPF system, is configured instead of traditional initiative regeneration DPF system
One display instrument, passive regeneration DPF system be reconfigured a display instrument scheme, it is more adaptable, reaction speed faster,
Cost is lower.
Detailed description of the invention
Fig. 1 is the schematic diagram of monitoring system structure of the main passive regeneration DPF system of intelligent recognition proposed by the present invention；
Fig. 2 is intelligent recognition DPF monitoring device structural block diagram proposed by the present invention；
Fig. 3 is the monitoring method flow chart of the main passive regeneration DPF system of intelligent recognition proposed by the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is makes to the more thorough of the disclosure understanding
Comprehensively.It should be noted that it can be directly to another when an element is considered as " connection " another element
Element may be simultaneously present centering elements.Unless otherwise defined, all technical and scientific terms used herein with
It is identical to belong to the normally understood meaning of those skilled in the art of the invention.Made in the description of the invention herein
Term, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Term as used herein
" and/or " it include any and all combinations of one or more related listed items.
It please refers to shown in Fig. 1, Fig. 1 is the monitoring system knot of the main passive regeneration DPF system of intelligent recognition proposed by the present invention
Structure schematic diagram.
The monitoring system of the main passive regeneration DPF system of intelligent recognition specifically includes in the present embodiment: initiative regeneration DPF control
Device, intelligent recognition DPF monitoring device, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup and connection wiring harness；Institute
It states initiative regeneration DPF controller and carries out dpf regeneration control for controlling the initiative regeneration DPF system sprayed after tail pipe；The exhaust
Temperature sensor is used to measure the delivery temperature of DOC entrance, DPF entrance and the exit DPF；The back pressure transducer
For measure DOC import, DPF import and the exit DPF by pressure pressure；The differential pressure pickup is for measuring DOC inlet and outlet
The pressure difference at place and the pressure difference of DPF import and export；The harness is for connecting initiative regeneration DPF controller, intelligent recognition DPF monitoring
Instrument, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup；The intelligent recognition DPF monitoring device is for identification
Current system configuration is initiative regeneration DPF system or passive regeneration DPF system, and corresponds to the sensing of identification and display connection
Quantity, type and the signal value of each sensor acquisition of device.It should be noted that only in initiative regeneration DPF system
Initiative regeneration DPF controller is had, does not have initiative regeneration DPF controller in passive regeneration DPF system.
As shown in Fig. 2, the intelligent recognition DPF monitoring device includes: voltage acquisition module, physics letter in the present embodiment
Number processing module, CAN communication module, intelligent identification module, display module, data memory module and alarm module；The electricity
Pressure acquisition module is used to acquire the voltage signal of exhaust gas temperature sensor, back pressure transducer, differential pressure pickup；The physics
Signal processing module is used to the voltage signal of acquisition being calculated as temperature, pressure and pressure difference physical signal；The CAN communication
Module is used to receive the parameter and fault message of initiative regeneration DPF controller transmission；The intelligent identification module, for identification when
Preceding system configuration is initiative regeneration DPF system or passive regeneration DPF system, and identifies the sensor type and number of connection
Amount；The display module is used to show quantity, type and the physical signal value identified of the sensor of connection；The data
Memory module is used to store the quantity of sensor, type and the physical signal value identified, in order to avoid after system cut-off,
Loss of data；The alarm module is in time alarming to related personnel after receiving fault-signal.
The exhaust gas temperature sensor includes DOC inlet temperature sensor, DPF inlet temperature sensor and the outlet DPF temperature
Spend sensor；Back pressure transducer includes: DOC inlet pressure sensor, DPF inlet pressure transducer and DPF outlet pressure
Sensor；Differential pressure pickup includes: the both ends DOC differential pressure pickup and the both ends DPF differential pressure pickup, in actual use, sensor
Number amount and type can be different, the exhaust gas temperature sensor, back pressure transducer, differential pressure pickup in the present embodiment
Type and quantity are selected according to configuration.The alarm module is specifically used in the present embodiment: current system configuration
When being passive regeneration DPF system, sensor is removed, short circuit, is forced through that big, pressure difference is excessive alarms；Current system is matched
It sets when being initiative regeneration DPF system, receive the fault message that the initiative regeneration DPF controller is sent and carries out fault cues
And alarm.
As shown in figure 3, the monitoring system based on the main passive regeneration DPF system of above-mentioned intelligent recognition, the present embodiment also provide
A kind of monitoring method of the main passive regeneration DPF system of intelligent recognition, this method specifically include:
S101. being connected as requested with sensor, initiative regeneration DPF controller, intelligent recognition DPF monitoring device by needs
It connects on harness.
S102. after system electrification, start to acquire the data in CAN bus.
Whether the data identification current system configuration that S103. intelligent identification module is sent according to CAN communication module is actively
DPF system is regenerated, if it is not, then determining that current system configuration is passive regeneration DPF system.Specifically, intelligent identification module
According to the message that the initiative regeneration DPF controller that CAN communication module is sent is sent, whether identification initiative regeneration DPF controller is connect
Enter whether i.e. current system configuration is initiative regeneration DPF system.
If S104. intelligent identification module identification current system configuration is passive regeneration DPF system, voltage acquisition module
Start to acquire the voltage signal of each sensor；Physical signal processing module is connected on harness according to voltage signal calculating
The physical signal value of each sensor.
S105. display module shows the data or calculated parameter value that CAN communication module receives.Specifically, if intelligence
Energy identification module identification current system configuration is passive regeneration DPF system, then display module shows to be physical signal processing
The calculated parameter information of module；If intelligent identification module identifies that current system configuration is initiative regeneration DPF system, show
It is the message information that CAN communication module is sent.
S106. data memory module will identify that DPF monitoring system type, the quantity of sensor, type and corresponding
Physical signal value is stored.
S107. alarm module in real time alarms to related personnel after receiving fault-signal.Specifically, current system is matched
It sets when being passive regeneration DPF system, alarm module removes sensor, short circuit, is forced through that big, pressure difference is excessive alarms；
When current system configuration is initiative regeneration DPF system, alarm module receives the failure that the initiative regeneration DPF controller is sent
Information simultaneously carries out fault cues and alarm.
Technical solution of the present invention can intelligent recognition to go out current DPF configuration be initiative regeneration DPF system or passive
DPF system is regenerated, configures a display instrument instead of traditional initiative regeneration DPF system, passive regeneration DPF system is reconfigured one
The scheme of a display instrument, more adaptable, faster, cost is lower for reaction speed.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of monitoring system of the main passive regeneration DPF system of intelligent recognition characterized by comprising initiative regeneration DPF control
Device, intelligent recognition DPF monitoring device, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup and connection wiring harness；Institute
It states initiative regeneration DPF controller and carries out dpf regeneration control for controlling the initiative regeneration DPF system sprayed after tail pipe；The exhaust
Temperature sensor is used to measure the delivery temperature of DOC entrance, DPF entrance and the exit DPF；The back pressure transducer
For measure DOC import, DPF import and the exit DPF by pressure pressure；The differential pressure pickup is for measuring DOC inlet and outlet
The pressure difference at place and the pressure difference of DPF import and export；The harness is for connecting initiative regeneration DPF controller, intelligent recognition DPF monitoring
Instrument, exhaust gas temperature sensor, back pressure transducer, differential pressure pickup；The intelligent recognition DPF monitoring device is for identification
Current system configuration is initiative regeneration DPF system or passive regeneration DPF system, and corresponds to the sensing of identification and display connection
Quantity, type and the signal value of each sensor acquisition of device.
2. the monitoring system of the main passive regeneration DPF system of intelligent recognition according to claim 1, which is characterized in that described
Intelligent recognition DPF monitoring device includes: voltage acquisition module, physical signal processing module, CAN communication module, intelligent recognition mould
Block, display module, data memory module and alarm module；The voltage acquisition module for acquire exhaust gas temperature sensor,
The voltage signal of back pressure transducer, differential pressure pickup；The physical signal processing module is used for the voltage that will be acquired
Signal is calculated as temperature, pressure and pressure difference physical signal；The CAN communication module is for receiving initiative regeneration DPF controller hair
The parameter and fault message sent；The intelligent identification module, the sensor type connected for identification and quantity；The display mould
Block is used to show quantity, type and the physical signal value identified of the sensor of connection；The data memory module is used for
The quantity of sensor, type and the physical signal value identified are stored；The alarm module is for receiving failure
It alarms in time related personnel after signal.
3. the monitoring system of the main passive regeneration DPF system of intelligent recognition according to claim 1, which is characterized in that described
Exhaust gas temperature sensor, back pressure transducer, the type of differential pressure pickup and quantity are selected according to configuration.
4. according to claim 1 to the monitoring system of the main passive regeneration DPF system of intelligent recognition described in one of 3, feature exists
In the alarm module is specifically used for: when current system configuration is passive regeneration DPF system, sensor is removed, is short-circuit,
It is forced through that big, pressure difference is excessive alarms；When current system configuration is initiative regeneration DPF system, the initiative regeneration is received
The fault message of DPF controller transmission simultaneously carries out fault cues and alarm.
5. a kind of monitoring method of the main passive regeneration DPF system of intelligent recognition characterized by comprising
S101. being connected to as requested with sensor, initiative regeneration DPF controller, intelligent recognition DPF monitoring device by needs
On harness；
S102. after system electrification, start to acquire the data in CAN bus；
Whether the data identification current system configuration that S103. intelligent identification module is sent according to CAN communication module is initiative regeneration
DPF system, if it is not, then determining that current system configuration is passive regeneration DPF system；
If S104. intelligent identification module identification current system configuration is passive regeneration DPF system, voltage acquisition module starts
Acquire the voltage signal of each sensor；Physical signal processing module calculates each biography being connected on harness according to the voltage signal
The physical signal value of sensor；
S105. display module shows the data or calculated parameter value that CAN communication module receives；
S106. DPF monitoring system type, the quantity of sensor, type and corresponding physics that data memory module will identify that
Signal value is stored；
S107. alarm module in real time alarms to related personnel after receiving fault-signal.
6. the monitoring method of the main passive regeneration DPF system of intelligent recognition according to claim 5, which is characterized in that described
Step S103 includes: the message that intelligent identification module is sent according to the initiative regeneration DPF controller that CAN communication module is sent, and is known
Whether other initiative regeneration DPF controller accesses whether i.e. current system configuration is initiative regeneration DPF system.
7. the monitoring method of the main passive regeneration DPF system of intelligent recognition according to claim 6, which is characterized in that described
Step S105 is specifically included: if intelligent identification module identification current system configuration is passive regeneration DPF system, display module
Display is the calculated parameter information of physical signal processing module；If intelligent identification module identifies based on current system configuration
Dynamic regeneration DPF system then shows to be message information that CAN communication module is sent.
8. the monitoring method of the main passive regeneration DPF system of the intelligent recognition according to one of claim 5 to 7, feature exist
In the step S107 is specifically included: when current system configuration is passive regeneration DPF system, alarm module moves sensor
It removes, short circuit, be forced through that big, pressure difference is excessive alarms；When current system configuration is initiative regeneration DPF system, alarm module
It receives the fault message that the initiative regeneration DPF controller is sent and carries out fault cues and alarm.
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| CN201811609324.XA CN109667649B (en) | 2018-12-27 | 2018-12-27 | Monitoring system and method for intelligently identifying active and passive regeneration DPF system |
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| CN201811609324.XA CN109667649B (en) | 2018-12-27 | 2018-12-27 | Monitoring system and method for intelligently identifying active and passive regeneration DPF system |
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Cited By (1)
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| CN111794840A (en) * | 2020-07-13 | 2020-10-20 | 武汉飞恩微电子有限公司 | Automobile engine exhaust emission treatment system |
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Denomination of invention: A monitoring system and method for intelligent identification of active and passive regeneration DPF system Effective date of registration: 20210727 Granted publication date: 20210119 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Xishan branch Pledgor: KAILONG HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2021320010276 |