CN201496130U - Regeneration controller of tail gas handling device of diesel vehicle - Google Patents
Regeneration controller of tail gas handling device of diesel vehicle Download PDFInfo
- Publication number
- CN201496130U CN201496130U CN2009201968033U CN200920196803U CN201496130U CN 201496130 U CN201496130 U CN 201496130U CN 2009201968033 U CN2009201968033 U CN 2009201968033U CN 200920196803 U CN200920196803 U CN 200920196803U CN 201496130 U CN201496130 U CN 201496130U
- Authority
- CN
- China
- Prior art keywords
- module
- chip
- oil pump
- company
- real
- 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.)
- Expired - Fee Related
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
Abstract
The utility model relates to a regeneration controller of a tail gas handling device of a diesel vehicle. The existing controller has complex structure, expensive price and inconvenient operation. The controller comprises a shell and a 24-port electric connector arranged in the way of 3 multiplied by 8; the shell is internally provided with a microprocessor module, a power module, an analogue signal modulating module, a channel switching module, an A/D collecting module, a switch amount collecting module, an oil pump and additive pump controlling module, a serial communication module, a memory module, a real-time clock module and a low voltage detecting module; and the electric connector provides the electric connection between each module and an external execution mechanism and a sensor. In the utility model, the exhausting temperature, the exhausting back pressure, the temperature pressure over-limit and accident alarm event can be monitored continuously, the actions of an additive pump and an oil pump can be controlled, and the regeneration process can be completed. The controller has the advantages of convenient operation, low price, stable running, and the like.
Description
Technical field
The utility model belongs to the control technique field, relates to a kind of exhaust gas from diesel vehicle filtrating equipment automatic regeneration controller.
Background technique
The diesel particulates purification technics is divided into two classes at present: emission controls by improving combustion and external purification.Emission controls by improving combustion focuses on from improving the burning angle and reduces particle emission, and difficulty is very big because the mode of handling in the machine settles the matter once and for all, and adopting maximum at present is external purification.Diesel particulation external purification technology mainly refers to exhaust aftertreatment; diesel exhaust gas is introduced in the special after-treatment device; by discharging again after the filter removing harmful components wherein; continuous accumulation along with particulate in the filter; the diesel exhaust gas resistance is inevitable to be increased gradually; thereby cause the diesel exhaust gas back pressure to increase, burn deterioration and oil consumption increase, diesel engine work mis-behave.Therefore when exhaust back pressure reaches certain value, must take measures to realize the regeneration of filter to remove the soot particle of accumulation.Relatively more commonly used is to add additive in fuel oil at present, reduce the burning-point of particle,, improve the temperature of filter simultaneously by in good time it being lighted of control gear to filter upstream space injected fuel, thereby the particle that is deposited in the filter is caught fire, reach the purpose of removing.
Therefore, need a cover control gear accurately to calculate the amount of additive, and the aggregate amount of particulate in the filter, and the regeneration temperature of accurate controlled filter body, and the recovery time, and then finish whole regenerative process.
Summary of the invention
The purpose of this utility model overcomes above-mentioned existing product defective exactly, and a kind of easy to operate, diesel engine vent gas refresh controller that price is low, stable is provided.
The utility model comprises shell and 3 * 8 24 mouthfuls of electric couplers arranging, be provided with microprocessor module, power module, analog signal conditioner module, channel switching module, A/D acquisition module, switch acquisition module and oil pump and additive pump control module, serial communication module, memory module, real-time clock module and low voltage detecting module in the shell, electric coupler provides the electric connection between each module and outside actuator and the sensor.Microprocessor module is a core with 8 single-chip microcomputer MC9S08DZ60 of high-performance of Freescale company; The analog signal conditioner module comprises the front end signal conditioning circuit, and channel switching module adopts rapid light coupling AQY210S as diverter switch; The switch acquisition module mainly is made up of ESD (static discharge) protective circuit, optical coupling isolation circuit etc.It is core that the A/D acquisition module adopts the high-precision A chip AD7793 of ADI company, adds high-precision voltage reference source and digital isolating chip composition.Oil pump and additive pump control module are made up of the driving chip BTS442E and the optical coupling isolation circuit of Infineon.Power module is connected with other modules, is other module for power supply.Analog signal conditioner module, channel switching module, the A/D acquisition module is linked in sequence.A/D acquisition module, digital data acquisition module, oil pump and additive pump control module, real-time clock module, memory module, low voltage detecting module, communication module are connected with microprocessor module.The analog signal conditioner module is by external 2 K type thermocouple temperature sensors and 1 the 4-20mA standard signal pressure transducer of connecing of electric coupler; The switch acquisition module is by the external liquid-level switch of electric coupler; Oil pump and additive control module are by electric coupler external oil pump of difference and additive pump; Power module is by the external 24V power supply of electric coupler; Communication module is by the external connection of electric coupler.Each module all adopts prior art in the utility model, can obtain by modes such as purchases.
The utility model energy continuous monitoring delivery temperature, exhaust back pressure, degree pressure limit and accident alarming incident, according to predefined parameter, regenerative process is finished in the action of control additive pump and oil pump.This outer controller also has functions such as data upload, storage, inquiry.The utlity model has easy to operate, price is low, advantage such as stable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a module diagram of the present utility model.
Embodiment
As Fig. 1 and 2, diesel engine vent gas treatment device automatic regeneration controller comprises shell 1 and 3 * 8 24 mouthfuls of electric couplers 2 arranging, is provided with microprocessor module 1-1, power module 1-2, analog signal conditioner module 1-3, channel switching module 1-4, A/D acquisition module 1-5, switch acquisition module 1-6 and oil pump and additive pump control module 1-7, serial communication module 1-8, memory module 1-9, real-time clock module 1-10 and low voltage detecting module 1-11 in the shell.Electric coupler 2 provides the electric connection between each module and outside actuator and the sensor.Power module 1-2 is connected with other modules, is other module for power supply; Memory module 1-9, real-time clock module 1-10, A/D acquisition module 1-5, switch acquisition module 1-6, low voltage detecting module 1-11, oil pump and additive pump control module 1-7 are connected with microprocessor module 1-1; Power module 1-2, analog signal conditioner module 1-3, switch acquisition module 1-6, oil pump and additive pump control module 1-7, serial communication module 1-8 are connected with electric coupler 2; Serial communication module 1-8 and microprocessor module 1-1 interconnection, by Serial Port Line and RS485 change the USB transducer and PC interconnected.The analog signal conditioner module is by external 2 the K type thermocouple temperature sensors of electric coupler and 1 4-20mA standard signal pressure transducer; The switch acquisition module is by the external additive liquid-level switch of electric coupler; Oil pump and additive control module are by electric coupler external oil pump of difference and additive pump; Power module is by the external 24V power supply of electric coupler; Communication module is by the external connection of electric coupler.
Microprocessor module 1-1 is made up of Freescale MC9S08DZ60 microcontroller and correspondent peripheral circuit thereof.
Power module 1-2 comprises the DC-DC insulating power supply module of 5V-5V in parallel and DC-DC insulating power supply module and LM2576, the LM1117 of 5-24V.
Analog signal conditioner module 1-3 comprises RC plastic filter circuit and electrostatic protection device, TVS device;
Channel switching module 1-4 adopts the AQY210S rapid light coupling relay of panasonic semiconductor company.。
A/D acquisition module 1-5 comprises the high-accuracy and constant potential source REF3125 of TI company, reaches the RC eliminator of series connection successively, instrument amplifier AD623, high-precision A conversion chip AD7793 and the high-speed figure isolating chip ADuM1301 of ADI company.
The ESD that switch acquisition module 1-6 comprises, TVS pipe and PC817 optocoupler.
Oil pump and additive pump control module 1-7 comprise the light-coupled isolation chip PC817 of series connection successively and the driving chip BTS442E of company of Infineon.
Serial communication module 1-8 comprises the ADuM1301 and the MAX13442E chip of series connection successively.
Memory module 1-9 is the AT45DB16D storage chip of Atmel company.
Real-time clock module 1-10 adopts the DS1307 real-time timepiece chip of Dallas company.
Low voltage detecting module 1-11 is made up of amplifier LM324 and optocoupler PC817.
The working procedure of this controller is: at first, the back controller that powers on carries out the initial work of hardware, scans each switching value signal, and whether check system has fault.
Controller is monitored in real time to working status parameter such as the delivery temperature of diesel engine vent gas filtrating equipment, the preceding temperature of DPF (diesel particulate filter), exhaust pressure, simultaneously, call to be stored in and in the FLASH upper and lower of parameter to delivery temperature, exhaust pressure etc. be set, and each alarm switch amount such as additive liquid level are low, brownouts etc. are monitored, take place if the value of transfiniting is arranged or report to the police, error code and relevant wrong additional information and time of fire alarming are stored among the big capacity Flash.Simultaneously, per 1 minute temperature of system with system, system's runtime values such as pressure record among the Flash, record the operation conditions of system truly, conveniently the operation conditions of whole system are analyzed.
System is stored in the parameter that is provided with in the FLASH according to the user, with delivery temperature, exhaust pressure and corresponding setting parameter relatively, the regeneration mode that is provided with in conjunction with the user is comprehensively judged simultaneously, if satisfy regeneration condition, then begins to carry out the automatic regeneration process, in oil pipe, inject additive, and start the Injection Pump commencement of fuel injection, and whole regenerative process comprises warm, process takes fire, combustion process, the burning terminal procedure.According to delivery temperature, the frequency of parametric synthesis such as exhaust pressure control oil spout makes the most effective of regenerative process to whole process by pid control algorithm, and the infringement to DPF and DOC in the combustion process is reduced to minimum.
The user can be provided with the parameter that is provided with by the RS485 interface, simultaneously, service data and the alarm logging that is stored among the Flash can be read out, and uploads in the upper-position unit and analyzes.
Claims (1)
1. a regeneration controller of diesel vehicle tail gas processor comprises shell and 3 * 8 24 mouthfuls of electric couplers arranging, it is characterized in that:
Be provided with microprocessor module, power module, analog signal conditioner module, channel switching module, A/D acquisition module, switch acquisition module and oil pump and additive pump control module, serial communication module, memory module, real-time clock module and low voltage detecting module in the shell; Power module is connected with other modules, is other module for power supply; Memory module, real-time clock module, A/D acquisition module, switch acquisition module, low voltage detecting module, oil pump and additive pump control module are connected with microprocessor module; Power module, analog signal conditioner module, switch acquisition module, oil pump and additive pump control module, serial communication module are connected with electric coupler; The interconnection of serial communication module and microprocessor module, by Serial Port Line and RS485 change the USB transducer and PC interconnected;
Described microprocessor module is made up of Freescale MC9S08DZ60 microcontroller and correspondent peripheral circuit thereof;
Described power module comprises the DC-DC insulating power supply module of 5V-5V in parallel and DC-DC insulating power supply module and LM2576, the LM1117 of 5-24V;
Described analog signal conditioner module comprises RC plastic filter circuit and electrostatic protection device, TVS device;
Described passage switches the AQY210S rapid light coupling relay that mould adopts panasonic semiconductor company;
Described A/D acquisition module comprises the REF3125 voltage reference chip of TI company, reaches the RC eliminator of series connection successively, AD623 instrument amplifier chip, high-precision A conversion chip AD7793 and the high-speed figure isolating chip ADuM1301 of ADI company;
Described switch acquisition module comprises ESD, TVS pipe and PC817 optocoupler;
Described oil pump and additive pump control module comprise the light-coupled isolation chip PC817 of series connection successively and the driving chip BTS442E of company of Infineon;
Described serial communication module comprises the ADuM1301 and the MAX13442E chip of series connection successively;
Described memory module is the AT45DB16D storage chip of Atmel company;
Described real-time clock module is the DS1307 real-time timepiece chip of Dallas company;
Described low voltage detecting module is made up of amplifier LM324 and optocoupler PC817.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201968033U CN201496130U (en) | 2009-09-18 | 2009-09-18 | Regeneration controller of tail gas handling device of diesel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201968033U CN201496130U (en) | 2009-09-18 | 2009-09-18 | Regeneration controller of tail gas handling device of diesel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496130U true CN201496130U (en) | 2010-06-02 |
Family
ID=42439338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201968033U Expired - Fee Related CN201496130U (en) | 2009-09-18 | 2009-09-18 | Regeneration controller of tail gas handling device of diesel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709730A (en) * | 2012-06-19 | 2012-10-03 | 北京经纬恒润科技有限公司 | DCU connector and diesel engine exhaust process controller |
| US11492940B2 (en) | 2018-04-27 | 2022-11-08 | Carrier Corporation | Exhaust back pressure and temperature monitoring transport refrigiration unit |
-
2009
- 2009-09-18 CN CN2009201968033U patent/CN201496130U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709730A (en) * | 2012-06-19 | 2012-10-03 | 北京经纬恒润科技有限公司 | DCU connector and diesel engine exhaust process controller |
| CN102709730B (en) * | 2012-06-19 | 2015-05-27 | 北京经纬恒润科技有限公司 | DCU connector and diesel engine exhaust process controller |
| US11492940B2 (en) | 2018-04-27 | 2022-11-08 | Carrier Corporation | Exhaust back pressure and temperature monitoring transport refrigiration unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101666253B (en) | Control device of tail gas treatment in diesel vehicles | |
| CN102165151B (en) | Method and device for controlling the regeneration of a particulate filter | |
| CN104405477B (en) | A kind of diesel engine particle catcher micro wave regeneration system control method and device thereof | |
| CN104847455B (en) | Gasoline engine particulate filter regenerative system and regeneration method | |
| CN209621441U (en) | A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system | |
| CN201496130U (en) | Regeneration controller of tail gas handling device of diesel vehicle | |
| CN111679609A (en) | 32-bit vehicle control unit system based on function safety design | |
| CN103306782B (en) | Diesel engine exhaust aftertreatment device heating device control system and controlling method | |
| CN202623952U (en) | CAN (controlled area network) bus type instrument system | |
| CN101660439B (en) | Regeneration controller of diesel vehicle tail gas processor | |
| CN101519994A (en) | Independent active regeneration DPF (Diesel Particulate Filter) system and independent regeneration method | |
| CN202768118U (en) | Selective catalytic reduction (SCR) air auxiliary type injection system based on pneumatic diaphragm pump | |
| CN204738862U (en) | Diesel engine aftertreatment SCR controlling means | |
| CN204225964U (en) | A kind of DPF diesel particulate filtration system electric control device | |
| CN201193557Y (en) | Independent, active and regenerative particulate filter system for diesel engine | |
| CN103603714A (en) | System and method for diesel particulate filter (DPF) automatic regeneration control | |
| CN103758614A (en) | Automatic regeneration system and regeneration method of DPF (Diesel Particulate Filter) | |
| CN201363181Y (en) | Control system for exhaust particulate filter of diesel vehicle | |
| CN203655390U (en) | Automatic regeneration system for DPF (diesel particulate filter) | |
| CN204225965U (en) | DPF automatic regeneration system | |
| CN212364816U (en) | 32-bit vehicle control unit system based on function safety design | |
| CN201496131U (en) | Diesel vehicle tail gas treatment control device | |
| CN100339556C (en) | Apparatus and method for monitoring spontaneous fire of mine | |
| CN201884138U (en) | Vehicular fuel gas sequential spraying system with OBD (On-Board Diagnostics) system | |
| CN210396852U (en) | Small-size on-vehicle regeneration cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20120918 |