CN102003259A - Regeneration controller for diesel particulate filter - Google Patents

Regeneration controller for diesel particulate filter Download PDF

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Publication number
CN102003259A
CN102003259A CN 201010513384 CN201010513384A CN102003259A CN 102003259 A CN102003259 A CN 102003259A CN 201010513384 CN201010513384 CN 201010513384 CN 201010513384 A CN201010513384 A CN 201010513384A CN 102003259 A CN102003259 A CN 102003259A
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controller
end
circuit
relay
regeneration
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CN 201010513384
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Chinese (zh)
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宁家涛
张献安
王天栋
高冬雪
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平原滤清器有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems
    • Y02T10/47Exhaust feedback

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

一种柴油机微粒捕集器的再生控制器 A diesel particulate trap regeneration controller

技术领域: FIELD:

[0001] 本发明涉及一种燃烧控制技术,特别是一种柴油机微粒捕集器的再生控制器。 [0001] The present invention relates to a combustion control technique, particularly regeneration controller of a diesel particulate trap. 背景技术: Background technique:

[0002] 柴油机尾气中的碳粒较多,污染空气,为此在柴油机的尾气管中加装微粒捕集器(过滤器),使排放到大气中的尾气符合环保要求,但是当捕集器拦截的炭黑达到一定程度时就会被堵塞,当堵塞严重时导致背压增高影响柴油机的正常工作,此时需要对捕集器进行再生,使其恢复正常工作。 [0002] The diesel exhaust soot more, air pollution, for the installation of particulate traps (filters) in the exhaust pipe of a diesel engine, so that the exhaust gas is discharged to the atmosphere meet the environmental requirements, but when the trap interception of carbon black will be blocked when reaches a certain level, resulting in increased back pressure when congested affect the normal operation of the diesel engine, this time need to be regenerated trap, to restore normal operation. 现有捕集器再生的技术措施是在捕集器前的尾气管引入柴油管和喷油嘴及点火塞,将外部的柴油通过油泵进到尾气管内,经喷油嘴被雾化,由点火塞点燃后,对捕集器上的炭粒进行燃烧,达到去除炭粒的目的,实现捕集器再生。 Technical Measures conventional trap regeneration off-gas is introduced into the tube before the trap diesel injectors and the ignition plug tube and the external diesel fuel into the exhaust pipe by an oil pump, is atomized by the injector, ignition by the after the ignition plug, to trap carbon particles on the combustion, to achieve the purpose of removing the carbon particles, to achieve trap regeneration. 但这种再生装置的火焰温度偏低,去除炭粒的效果不理想。 However, such a reproducing apparatus the flame temperature is low, the effect of removing the carbon particles is not ideal. 且再生过程采用人工操作,不仅对司机增加了负担,再生控制不精确也影响再生效果。 And the manual regeneration process employed, not only increase the burden on the driver, the regeneration control also affects regeneration inaccurate.

发明内容: SUMMARY:

[0003] 本发明的目的是提供一种柴油机微粒捕集器再生效果好和再生自动化的控制器。 [0003] The object of the present invention is to provide a diesel particulate trap regeneration and regeneration effective automation controller. 本发明实现发明的技术方案是,一种柴油机微粒捕集器的再生控制器,包括电源电路,单片机Ui及其外围电路,控制器显示电路,控制器串行通讯电路,控制器数据存储电路,控制器压力和温度传感器讯号调理电路,其特征在于:控制器执行元件电路,光电藕合器内的三个光电开关与三个发光管相对,油泵继电器的一端与电源连接,另一端与上述三个光电开关中的第一光电开关连接,预热塞电源继电器的一端与第二光电开关连接,另一端与电源连接,风机继电器的一端与第三光电开关连接,另一端与电源连接。 The present invention achieves technical scheme of the invention, the regeneration controller of a diesel particulate trap, including a power supply circuit, the microcontroller and its peripheral circuits Ui, a display controller circuit, a serial communications controller circuit, the controller data storage circuit, controller pressure and temperature sensors signal conditioning circuit, wherein: the actuator controller circuit, and the three photoelectric switches three arc tube opposite end connected to the supply pump relay, the other end of the optical coupling with the above-mentioned three a first photoelectric switches photoelectric switch connected to one end of the preheating plugs of the power relay and the second photoelectric switch and the other end connected to the supply end of the third photoelectric fan relay switches and the other end connected to the supply. 光电耦合器内还设有第四个光电开关和发光管,逆变器继电器的一端与光电耦合器内的第四光电开关连接,另一端与电源连接。 The photocoupler further provided a fourth optical switch and the light emitting tube, a fourth photoelectric switch in the inverter relay photocoupler one end and the other end connected to the supply. 本发明与现有技术比较具有微粒捕集器再生自动化程度高和再生效果好的优点。 Comparison with the prior art the present invention has a particulate trap regeneration and regeneration high degree of automation and good effect.

附图说明: BRIEF DESCRIPTION OF:

[0004] 图1是本发明控制器的单片机Ul及其外围电路原理图, 图2是控制器的显示电路原理图, [0004] FIG. 1 is a microcontroller Ul controller of the present invention and its peripheral circuit diagram, FIG. 2 is a schematic circuit diagram of a controller,

图3是控制器执行元件电路原理图, 图4是控制器串行通讯电路原理图, 图5是控制器电源电路原理图, 图6是控制器数据存储电路原理图, 图7是控制器传感器讯号调理电路原理图, 图8是控制器实时时钟电路原理图, 图9是控制器指示灯电路原理图, 图10是控制器接插件原理图, 图11是本发明喷油燃烧再生结构示意图。 FIG 3 is a circuit diagram of the controller actuator, FIG 4 is a circuit diagram of the serial communication controller, the power controller 5 is a circuit diagram, FIG. 6 is a circuit diagram of a data storage controller, the controller is a sensor 7 signal conditioning circuit diagram, Figure 8 is a schematic circuit diagram of a controller real-time clock, FIG. 9 is a circuit diagram controller LEDs, FIG. 10 is a schematic diagram of a controller connector, FIG. 11 is a schematic structural diagram of the injector according to the present invention, combustion regeneration. 具体实施方式: detailed description:

[0005] 结合以上附图对本发明作详细说明,在柴油机的过滤器再生燃烧室1前设有锥管2和圆管10,在圆管10前部的一侧设有柴油雾化腔5,此雾化腔内设有预热塞6 (外购件) 与雾化腔外的油泵出口连通,在圆管的端头设置点火塞8。 [0005] The accompanying drawings in conjunction with the foregoing detailed description of the present invention, in the diesel filter before regeneration combustion chamber 1 and pipe 2 is provided with tapered pipe 10, provided with the diesel fuel atomizing chamber 5 side of the front portion 10 of the tube, this atomization chamber 6 is provided with a glow plug (purchased parts) in communication with the outlet of the oil pump outside the atomizing chamber, the pipe ends in the glow plug 8 is provided. 为提高雾化的柴油与空气的混合更均勻,风管3与风机连通,其末端的出口与锥管腔壁相切,在此风管的中部分别设有两个支管,其中一支管7的出口与雾化腔壁相切,另一支管4与圆管10腔壁相切,燃烧室1设有与尾气管连接的孔9。 To improve the atomization of the diesel fuel more uniformly mixed air, in communication with the fan duct 3, with its outlet end cone tangential to the lumen wall, in the middle of this duct are provided with two branch pipes, wherein a tube 7 the atomization cavity wall tangential outlet, the manifold 4 and the other pipe 10 is tangential to the chamber wall, the combustion chamber 1 is provided with holes connected to the exhaust pipe 9.

[0006] 本发明的控制器是针对一种柴油机微粒捕集器再生系统中油泵供油、柴油预热、 风机供风和点火燃烧对捕集器再生过程进行自动控制。 [0006] The controller of the present invention is directed to a diesel particulate trap regeneration system oil pump, diesel preheating, ignition and combustion air blower for trap regeneration process to automatic control. 结合上述附图对本发明控制器的控制原理和过程加以说明: Above will be described in conjunction with the accompanying drawings of the control principle and process of the present invention, the controller:

[0007] 当启动柴油机工作时,应同时闭合电源开关Si,指示灯DSl亮(见图5)。 [0007] When the diesel engine starts, should be closed while the power switch Si, DSl indicator light (see FIG. 5). 压力传感器的背压信号和温度传感器的温度信号经Jl接插件(见图10)和传感器的温度讯号、背压讯号调理电路,引入单片机Ul内,经单片机进行处理后显示在IXD屏上。 Back pressure signal and the temperature signal of the temperature sensor is a pressure sensor by the connector Jl (see FIG. 10) and the temperature signal, the back pressure sensor signal conditioning circuit, introduced into the microcontroller Ul, IXD displayed on the screen after processing by the microcontroller. 上述单片机Ul 选用飞思卡尔公司生产的单片机,其型号为MC9S08DZ60,U的外围电路为此单片机设计的电路;图5中模块U3由爱普电源公司生产,其型号为WD5-24S05,其外围电路是此模块设计电路。 Selection of the above-described microcontroller Ul microcontroller Freescale company, the model MC9S08DZ60, U peripheral circuit chip design for this circuit; FIG. 5 EUP power modules U3 manufactured by the company, the model WD5-24S05, a peripheral circuit this module is the circuit design. 当背压值达到设定值时,指示灯DS3亮(见图9),说明捕集器堵塞较严重,提醒司机对铺集器进行再生。 When the value of the back pressure reaches the set value, the indicator light DS3 (see FIG. 9), indicating that the trap is more serious clogging, to remind the driver to set the shop be regenerated.

[0008] 捕集器再生时,首先停止柴油发动机,按下再生按钮S2,单片机Ul得到信号后,接通A控制逆变器电源继电器,开启逆变器,接通B控制风机电源继电器,开启风机,15秒后关闭风机;接通I控制预热电源继电器,开启预热塞,预热40S (时间可调),接通P控制油泵电源继电器,开启油泵,再接通B控制风机电源继电器开启风机,在燃烧腔内点火,将捕集器滤芯入口温度提高到650°C (温度可调),此时,断开I控制预热电源继电器,关闭预热塞,持续10分钟(时间可调)后,断开P控制油泵电源继电器,关闭油泵,风机扫风再持续5 分钟(时间可调),断开B控制风机电源继电器,关闭风机;断开A控制逆变器电源继电器, 关闭逆变器,捕集器再生结束,即可重新启动柴油发动机工作。 [0008] When the trap regeneration, the diesel engine is first stopped, regeneration button S2 is pressed, the microcontroller Ul to give signals, connected to A power relay controlling the inverter, the inverter is turned on, the power is turned on the fan control relay B, open fan, fan turned off 15 seconds; I ON preheating power control relay, the glow plug is turned on, 4OS preheating (time is adjustable), the pump power P control relay ON, the pump is turned on, and then control the fan power supply relay is turned B open the fan, the ignition in the combustion chamber, would increase the temperature of the inlet trap filter to 650 ° C (temperature adjusted), at this time, I oFF preheating power control relay, the glow plug off, for 10 minutes (time can be tone), the pump power P control relay oFF, turn off the pump, fan wind swept was continued for 5 minutes (time is adjustable), disconnect the power supply relay B control the fan, the fan off; A oFF controlling the inverter power supply relay closed inverters, trap regeneration ends, you can restart a diesel engine. 上述逆变器电源、风机、预热塞和油泵的开启和关闭的执行电路原理(图3)是本发明所设计,它包括一个芯片U4(由日本松下公司生产,其型号为TLP521-4),此芯片U4的第1光电耦合器的一端与电阻R14—端连接,第2光电耦合器的一端与电阻R15 —端连接,第3光电耦合器的一端与电阻R16 —端连接,第4光电耦合器的一端与电阻R17 —端连接,上述第1、第2、第3、第4光电耦合器的另一端分别与单片机Ul的PTG5脚、PTG4脚、PTCO脚和PTCl连接,上述电阻R14、R15、R16 和R17的另一端分别与电源VCC连接;芯片U4内的光敏开关1、2、3、4分别与U4内的发光管1、2、3、4相对,所述光电开关1、2、3和4的集电极分别与油泵电源继电器P、预热塞电源继电器I、逆变器电源继电器A和风机电源继电器B的一端及二极管D2、D3、D4和D5的一端连接,所述4个光电开关的发射极分别与24V电源的负极连接 The inverter power supply, fan, execution circuit principle of the glow plug and the opening and closing of the pump (FIG. 3) is designed according to the present invention, which comprises a chip U4 (manufactured by Panasonic, the model TLP521-4) first photocoupler one end side of this chip resistor R14- U4 is connected to the second photocoupler end of the resistor R15 - end connected to one end of the resistor R16 of the third photocoupler - terminals, a fourth photoelectric one end of the resistor coupler R17 - end connected to said first, second, and third, the other end of the fourth photo coupler, respectively MCU Ul of PTG5 feet, PTG4 feet, PTCO feet and PTCl connection, the resistor R14, R15, R16 and R17 are connected to the other end of the VCC power supply; 1,2,3,4 sensitive switch in the chip U4 are within the arc tube U4 1,2,3,4 opposite the photoelectric switch 1 collector 3 and 4, respectively, the oil pump P power relay, the glow plug relay power I, one end of the inverter power supply and fan power supply relay relays a and B of the diode D2, D3, D4 and D5 is connected to one end of the 4 transmitting photoelectric switches are connected to the negative pole of the power supply 24V 上述二级管D2、D3、D4和D5的另一端分别与24V电源的正极连接,上述继电器P、I、A和B的常开触头P、I、A和B的一端分别与24V电源的正极连接,另一端分别与油泵、预热塞、逆变器和风机连接。 D2, D3, D4 and the other end of the diode D5 is connected to the positive 24V power source, respectively, the above-described relay P, I, A and B are normally open contact P, I, A and B, respectively, and one end of the power supply 24V the positive electrode and the other end respectively to the oil pump, the glow plug, and a fan connected to the inverter.

[0009] 本发明的控制器的优点: [0009] The controller of the present invention has the advantage:

[0010] 1、使用单片机做为控制核心器件,控制程序可更改。 [0010] 1, using the microcontroller core as the control device, the control program can be changed.

[0011] 2、控制输出采用光耦隔离,可以有效保护单片机不受强电磁干扰、电流冲击。 [0011] 2, the control output optocoupler isolation, can effectively protect the microcontroller from electromagnetic interference, the current impact. [0012] 3、有数据记录功能,便于分析发动机排气温度MAP图,方便排除系统故障。 [0012] 3, data recording function, engine exhaust gas temperature to facilitate the analysis of FIG MAP, convenient to troubleshoot the system.

[0013] 4、数据存储介质采用U盘,数据存储量大,且无数据丢失。 [0013] 4, U-disk data storage media, data storage capacity, and without data loss.

[0014] 5、显示采用IXD,省电。 [0014] 5, a display using IXD, the power saving.

[0015] 6、无需司机进行控制过程中频繁操作,且控制精确,再生效果好。 [0015] 6, the driver need not frequently during control operation, and control accuracy, good regeneration.

Claims (2)

  1. 1. 一种柴油机微粒捕集器的再生控制器,包括电源电路,单片机Ui及其外围电路,控制器显示电路,控制器串行通讯电路,控制器数据存储电路,控制器压力和温度传感器讯号调理电路,其特征在于:控制器执行元件电路,光电藕合器内的三个光电开关与三个发光管相对,油泵继电器的一端与电源连接,另一端与上述三个光电开关中的第一光电开关连接, 预热塞电源继电器的一端与第二光电开关连接,另一端与电源连接,风机继电器的一端与第三光电开关连接,另一端与电源连接。 CLAIMS 1. A regeneration controller of the diesel particulate trap, including a power supply circuit, the microcontroller and its peripheral circuits Ui, a display controller circuit, a serial communications controller circuit, the controller data storage circuit, pressure and temperature sensors signal controller conditioning circuit, wherein: the actuator controller circuit, and the three photoelectric switches three arc tube opposite end connected to the supply, the other end of the pump relay in the optical coupling with the above-described first three photoelectric switches photoelectric switch connected to one end of the preheating plugs of the power relay and the second photoelectric switch and the other end connected to the supply end of the third photoelectric fan relay switches and the other end connected to the supply.
  2. 2.如权利要求1所述的柴油机微粒捕集器的再生控制器,其特征在于:光电耦合器内还设有第四个光电开关和发光管,逆变器继电器的一端与光电耦合器内的第四光电开关连接,另一端与电源连接。 2. The regeneration controller according to a diesel particulate trap as claimed in claim, wherein: the optocouplers is provided within an end of the fourth photoelectric switch and a light emitting tube, the inverter relay photocoupler fourth photoelectric switch and the other end connected to the supply.
CN 201010513384 2010-10-14 2010-10-14 Regeneration controller for diesel particulate filter CN102003259A (en)

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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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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

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