CN102003259A - Regeneration controller for diesel particulate filter - Google Patents
Regeneration controller for diesel particulate filter Download PDFInfo
- Publication number
- CN102003259A CN102003259A CN2010105133849A CN201010513384A CN102003259A CN 102003259 A CN102003259 A CN 102003259A CN 2010105133849 A CN2010105133849 A CN 2010105133849A CN 201010513384 A CN201010513384 A CN 201010513384A CN 102003259 A CN102003259 A CN 102003259A
- Authority
- CN
- China
- Prior art keywords
- controller
- power supply
- circuit
- relay
- regeneration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses a regeneration controller for a diesel particulate filter, relates to combustion control technology, and aims to provide a controller with good regeneration effect and automatic regeneration for the diesel particulate filter. The technical scheme is that: the regeneration controller for the diesel particulate filter comprises a power supply circuit, a singlechip U1 and peripheral circuits thereof, a controller display circuit, a controller serial communication circuit, a controller data storage circuit, a controller pressure and temperature sensor signal conditioning circuit and a controller executive element circuit, wherein one end of a fuel pump relay is connected with a power supply, and the other end of the fuel pump relay is connected with a first photoelectric switch in three photoelectric switches; one end of a glow plug power supply relay is connected with a second photoelectric switch, and the other end of the glow plug power supply relay is connected with the power supply; and one end of a fan relay is connected with a third photoelectric switch, and the other end of the fan relay is connected with the power supply. The regeneration controller is used for the regeneration of the diesel filter.
Description
Technical field:
The present invention relates to the refresh controller of a kind of combustion control technology, particularly a kind of diesel engine particle catcher.
Background technique:
Carbon granules in the diesel engine vent gas is more, contaminated air, in the offgas duct of diesel engine, install particle trapper (filter) additional for this reason, make the tail gas compliance with environmental protection requirements that is discharged in the atmosphere, but will be blocked when the carbon black of catcher interception acquires a certain degree, causing back pressure to increase when obstruction is serious influences the proper functioning of diesel engine, and need regenerate this moment to catcher, makes it recover proper functioning.The technical measures of existing trap regeneration are that the offgas duct before catcher is introduced diesel oil pipe and oil nozzle and igniter plug, the diesel oil of outside is entered in the offgas duct by oil pump, be atomized through oil nozzle, after lighting by igniter plug, carbon granule on the catcher is burnt, reach the purpose of removing carbon granule, realize trap regeneration.But the flame temperature of this reclaimer is on the low side, and the effect of removing carbon granule is undesirable.And regenerative process adopts manual operation, not only the driver has been increased burden, and regeneration control inaccuracy also influences regeneration effect.
Summary of the invention:
The controller that the purpose of this invention is to provide a kind of diesel engine particle catcher favorable regeneration effect and regeneration automation.The present invention realizes that the technological scheme of inventing is, a kind of refresh controller of diesel engine particle catcher, comprise power circuit, single-chip microcomputer U1 and peripheral circuit thereof, the controller display circuit, the controller serial communication circuit, the controller data memory circuit, controller pressure and temperature sensor signal conditioning circuit, it is characterized in that: controller executive component circuit, three optoelectronic switches in the photoelectric coupling circuit are relative with three luminotron tubes, and an end of FP Fuel Pump Relay is connected with power supply, and the other end is connected with first optoelectronic switch in above-mentioned three optoelectronic switches, one end of heater plug power supply relay is connected with second optoelectronic switch, the other end is connected with power supply, and an end of blower fan relay is connected with the 3rd optoelectronic switch, and the other end is connected with power supply.Also be provided with the 4th optoelectronic switch and luminotron tube in the photo coupler, the 4th optoelectronic switch in an end of inverter relay and the photo coupler is connected, and the other end is connected with power supply.The present invention has the advantage of particle trapper regeneration automaticity height and favorable regeneration effect compared with the prior art.
Description of drawings:
Fig. 1 is the single-chip microcomputer U1 and the peripheral circuit schematic diagram thereof of controller of the present invention, Fig. 2 is the display circuit schematic diagram of controller, Fig. 3 is controller executive component circuit theory diagrams, Fig. 4 is a controller serial communication circuit schematic diagram, Fig. 5 is the controller power circuit schematic diagram, Fig. 6 is a controller data memory circuit schematic diagram, Fig. 7 is a controller sensor signal conditioning circuit schematic diagram, Fig. 8 is a controller real time clock circuit schematic diagram, Fig. 9 is a controller indicator light circuit schematic diagram, Figure 10 is a controller connector assembly schematic diagram, and Figure 11 is an oil jetting combustion revived structure schematic representation of the present invention.
Embodiment:
In conjunction with above accompanying drawing the present invention is elaborated, before the filter regeneration firing chamber 1 of diesel engine, be provided with Taper Pipe 2 and pipe 10, side in pipe 10 front portions is provided with diesel oil atomization chamber 5, be provided with heater plug 6 (outsourcing piece) in this atomizing cavity and be communicated with, igniter plug 8 is set in the termination of pipe with atomizing cavity oil pump outlet outward.More even for improving the diesel oil and the Air mixing that atomize, airduct 3 is communicated with blower fan, the outlet of its end is tangent with the awl wall of the lumen, be respectively equipped with two arms at the middle part of this airduct, wherein the outlet of an arm 7 and atomizing cavity wall are tangent, another arm 4 is tangent with pipe 10 chamber walls, and firing chamber 1 is provided with the hole 9 that is connected with offgas duct.
Controller of the present invention is at oil pump feed, diesel oil preheating, blower fan air feed and ignition in a kind of diesel engine particle catcher regenerative system the trap regeneration process to be controlled automatically.Be illustrated in conjunction with the control principle and the process of above-mentioned accompanying drawing controller of the present invention:
When starting diesel engine work, closed power switch S1 simultaneously, the bright (see figure 5) of tutorial light DS1.The back pressure signal of pressure transducer and the temperature signal of temperature transducer are introduced in the single-chip microcomputer U1 through temperature signal, the back pressure signal conditioning circuit of J1 connector assembly (see figure 10) and sensor, are presented at after single-chip microcomputer is handled on the LCD screen.The single-chip microcomputer that above-mentioned single-chip microcomputer U1 selects for use Freescale company to produce, its model is MC9S08DZ60, the peripheral circuit of U is the circuit of single-chip microcomputer design for this reason; Module U3 is produced by the general power supply of love company among Fig. 5, and its model is WD5-24S05, and its peripheral circuit is this modular design circuit.When the back pressure value reaches setting value, the bright (see figure 9) of tutorial light DS3, it is more serious to illustrate that catcher stops up, and reminds the driver that the paved set device is regenerated.
During trap regeneration, at first stop diesel engine, press regeneration button S2, after single-chip microcomputer U1 obtains signal, connect A control inverter power supply relay, open inverter, connect B control fan power relay, open blower fan, close blower fan after 15 seconds; Connect I control preheating power supply relay, open heater plug, preheating 40S (time is adjustable), connect P control oil pump power supply relay, open oil pump, connect B control fan power relay again and open blower fan, in burning cavity, light a fire, catcher filter core inlet temperature is brought up to 650 ℃ (temperature is adjustable), at this moment, disconnect I control preheating power supply relay, close heater plug, after continuing 10 minutes (time is adjustable), disconnect P control oil pump power supply relay, close oil pump, blower fan is swept wind and is continued 5 minutes (time is adjustable) again, disconnect B control fan power relay, close blower fan; Disconnect A control inverter power supply relay, close inverter, trap regeneration finishes, and can restart diesel engine work.Above-mentioned inverter power supply, blower fan, the executive circuit principle (Fig. 3) of the opening and closing of heater plug and oil pump is that the present invention is designed, it comprises that a chip U4 (is produced by MAT, its model is TLP521-4), one end of the 1st photo coupler of this chip U4 is connected with resistance R 14 1 ends, one end of the 2nd photo coupler is connected with resistance R 15 1 ends, one end of the 3rd photo coupler is connected with resistance R 16 1 ends, one end of the 4th photo coupler is connected with resistance R 17 1 ends, the above-mentioned the 1st, the 2nd, the 3rd, the other end of the 4th photo coupler respectively with the PTG5 pin of single-chip microcomputer U1, the PTG4 pin, the PTC0 pin is connected with PTC1, above-mentioned resistance R 14, R15, the other end of R16 and R17 is connected with power supply VCC respectively; Light actiated swicth 1 in the chip U4,2,3,4 respectively with U4 in luminotron tube 1,2,3,4 is relative, described optoelectronic switch 1,2,3 and 4 collector electrode respectively with oil pump power supply relay P, heater plug power supply relay I, the end of inverter power supply relay A and fan power relay B and diode D2, D3, the end of D4 and D5 is connected, the emitter of described 4 optoelectronic switches is connected with the negative pole of 24V power supply respectively, above-mentioned diode D2, D3, the other end of D4 and D5 is connected with the positive pole of 24V power supply respectively, above-mentioned relay P, I, the normally open contact P of A and B, I, the end of A and B is connected with the positive pole of 24V power supply respectively, the other end respectively with oil pump, heater plug, inverter is connected with blower fan.
The advantage of controller of the present invention:
1, use single-chip microcomputer as the control core device, control program can be changed.
2, light-coupled isolation is adopted in control output, can effectively protect single-chip microcomputer not to be subjected to strong electromagnetic, rush of current.
3, data recording function is arranged, be convenient to analyze engine exhaust temperature MAP figure, make things convenient for the removal system fault.
4, data storage medium adopts USB flash disk, and memory data output is big, and no data loss.
5, show employing LCD, power saving.
6, need not the driver and carry out frequent operation in the control procedure, and control accurately, favorable regeneration effect.
Claims (2)
1. the refresh controller of a diesel engine particle catcher, comprise power circuit, single-chip microcomputer U1 and peripheral circuit thereof, the controller display circuit, the controller serial communication circuit, the controller data memory circuit, controller pressure and temperature sensor signal conditioning circuit, it is characterized in that: controller executive component circuit, three optoelectronic switches in the photoelectric coupling circuit are relative with three luminotron tubes, one end of FP Fuel Pump Relay is connected with power supply, the other end is connected with first optoelectronic switch in above-mentioned three optoelectronic switches, and an end of heater plug power supply relay is connected with second optoelectronic switch, and the other end is connected with power supply, one end of blower fan relay is connected with the 3rd optoelectronic switch, and the other end is connected with power supply.
2. the refresh controller of diesel engine particle catcher as claimed in claim 1, it is characterized in that: also be provided with the 4th optoelectronic switch and luminotron tube in the photo coupler, the 4th optoelectronic switch in one end of inverter relay and the photo coupler is connected, and the other end is connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105133849A CN102003259A (en) | 2010-10-14 | 2010-10-14 | Regeneration controller for diesel particulate filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105133849A CN102003259A (en) | 2010-10-14 | 2010-10-14 | Regeneration controller for diesel particulate filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003259A true CN102003259A (en) | 2011-04-06 |
Family
ID=43810914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105133849A Pending CN102003259A (en) | 2010-10-14 | 2010-10-14 | Regeneration controller for diesel particulate filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003259A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665690A (en) * | 1985-01-14 | 1987-05-19 | Mazda Motor Corporation | Exhaust gas cleaning system for vehicle |
| JPH01130116A (en) * | 1987-11-16 | 1989-05-23 | Minolta Camera Co Ltd | Photographic lens |
| US20030140623A1 (en) * | 2002-01-31 | 2003-07-31 | Nissan Motor Co., Ltd. | Fuel injection control for diesel engine |
| EP1388647A2 (en) * | 2002-08-09 | 2004-02-11 | Mazda Motor Corporation | Engine exhaust gas purification apparatus and method |
| CN100351503C (en) * | 2003-09-17 | 2007-11-28 | 日产自动车株式会社 | Diesel engine comprising DPM filter and method of estimating amount of DPM trapped in dpm filter |
| CN201027560Y (en) * | 2006-11-21 | 2008-02-27 | 广州市新力金属有限公司 | Diesel engine vent gas particle trapping and regenerating system |
| US20080092532A1 (en) * | 2004-10-26 | 2008-04-24 | Marc Bareis | Device And Method For Producing An Operating Medium For A Motor Vehicle |
| CN201554529U (en) * | 2009-11-13 | 2010-08-18 | 安徽艾可蓝节能环保科技有限公司 | Fuel oil auxiliary heating regenerative system of diesel engine tail gas particle catcher |
| CN201810373U (en) * | 2010-10-14 | 2011-04-27 | 平原滤清器有限公司 | Regeneration controller of diesel particulate filter |
-
2010
- 2010-10-14 CN CN2010105133849A patent/CN102003259A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665690A (en) * | 1985-01-14 | 1987-05-19 | Mazda Motor Corporation | Exhaust gas cleaning system for vehicle |
| JPH01130116A (en) * | 1987-11-16 | 1989-05-23 | Minolta Camera Co Ltd | Photographic lens |
| US20030140623A1 (en) * | 2002-01-31 | 2003-07-31 | Nissan Motor Co., Ltd. | Fuel injection control for diesel engine |
| EP1388647A2 (en) * | 2002-08-09 | 2004-02-11 | Mazda Motor Corporation | Engine exhaust gas purification apparatus and method |
| CN100351503C (en) * | 2003-09-17 | 2007-11-28 | 日产自动车株式会社 | Diesel engine comprising DPM filter and method of estimating amount of DPM trapped in dpm filter |
| US20080092532A1 (en) * | 2004-10-26 | 2008-04-24 | Marc Bareis | Device And Method For Producing An Operating Medium For A Motor Vehicle |
| CN201027560Y (en) * | 2006-11-21 | 2008-02-27 | 广州市新力金属有限公司 | Diesel engine vent gas particle trapping and regenerating system |
| CN201554529U (en) * | 2009-11-13 | 2010-08-18 | 安徽艾可蓝节能环保科技有限公司 | Fuel oil auxiliary heating regenerative system of diesel engine tail gas particle catcher |
| CN201810373U (en) * | 2010-10-14 | 2011-04-27 | 平原滤清器有限公司 | Regeneration controller of diesel particulate filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204299654U (en) | A kind of DPF active regeneration system with burner | |
| CN202328746U (en) | Automatic biofuel combustion multipurpose furnace | |
| CN104454086A (en) | DPF (diesel particulate filter) initiative regeneration system with combustor | |
| CN103306782B (en) | Diesel engine exhaust aftertreatment device heating device control system and controlling method | |
| CN108194169A (en) | A kind of burner for dpf regeneration | |
| CN201810373U (en) | Regeneration controller of diesel particulate filter | |
| CN202350087U (en) | Combustion system | |
| CN110206618A (en) | A kind of fixed type particle trap regeneration method | |
| CN103277173B (en) | Diesel engine exhaust aftertreatment device intensification control system and controlling method | |
| CN102003259A (en) | Regeneration controller for diesel particulate filter | |
| CN203869038U (en) | Thermal storage combustion device | |
| CN103603714A (en) | System and method for diesel particulate filter (DPF) automatic regeneration control | |
| CN203655396U (en) | Automatic regeneration control system for DPF (diesel particulate filter) | |
| CN203655390U (en) | Automatic regeneration system for DPF (diesel particulate filter) | |
| CN110206617A (en) | A kind of fixed type particle trap regeneration system | |
| CN214221298U (en) | DPF carrier regeneration workbench | |
| CN208106531U (en) | A kind of burner for dpf regeneration | |
| CN206958978U (en) | A kind of clean type heating plant | |
| CN112483221A (en) | DPF carrier regeneration workbench | |
| CN201786510U (en) | Heating device of diesel oil cleaner | |
| CN106894862B (en) | Intelligent smoke evacuation improves device | |
| CN202141071U (en) | Intelligent control system for biomass energy fuel boiler with remote control function | |
| CN103742240A (en) | System and method for DPF automatic regeneration control | |
| CN210345464U (en) | Natural gas burner | |
| CN203248233U (en) | Warming device control mechanism for diesel oil engine exhaust after-treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110406 |