CN105065098A - Device for remote prevention and control and monitoring emission of engine diesel - Google Patents
Device for remote prevention and control and monitoring emission of engine diesel Download PDFInfo
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- CN105065098A CN105065098A CN201510478637.6A CN201510478637A CN105065098A CN 105065098 A CN105065098 A CN 105065098A CN 201510478637 A CN201510478637 A CN 201510478637A CN 105065098 A CN105065098 A CN 105065098A
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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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- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides a device for remote prevention and control and monitoring emission of an engine diesel. The device comprises a physical prevention and control unit and an electronic monitoring unit. The physical prevention and control unit comprises electric seal, an emission sensor, a fixing support and a fixing bolt. The emission sensor is arranged on an exhaust pipe of the engine diesel through the fixing support and screwed into the exhaust pipe through the fixing bolt to be fixed. A cable bundle penetrates a through hole in the emission sensor and the fixing support, and the two ends of the cable bundle are locked through the electronic seal. The electronic seal is connected with an ECU of the engine diesel through signals. According to the device for remote prevention and control and monitoring emission of the engine diesel, the emission sensor is fixed and sealed to the exhaust pipe through the electronic seal and the fixing bolt, the electronic seal transmits a signal to the internet of vehicles to prevent a person from disassembling or assembling the emission sensor without authorization; the electronic monitoring unit measures the operation parameters and the emission data index of the engine diesel on line in real time, and whether an engine is changed by a person without authorization or not can be processed, analyzed, monitored and recorded.
Description
Technical field
The invention belongs to Diesel Engine Technique Field, especially relate to a kind of for long-range prevention and control and the device of monitoring diesel emission.
Background technique
Increasingly strict along with Abgasgesetz, diesel emission becomes the emphasis of concern.The discharge that machine internal control is shaped with pest has been difficult to meet harsh foul requirement, and diesel engine after treatment has become main emission-reduction technology means.Wherein for state V emission standard, the reprocessing of NOx controls generally to adopt selective catalytic reduction (SCRSelectiveCatalyticReduction) technology, is extensively adopted by domestic production enterprise and researches and develops.Adopt the diesel engine of SCR technology, reducing agent (aqueous solution of urea as 32.5%, HC hydro carbons etc.) is sprayed in the upstream exhaust gas of hydrogen-catalyst reactor, in catalyst surface generation redox reaction, selectively NOx is reduced to N2, realizes the target reducing NOx.
At present, problem for urea cost has expedited the emergence of a set of improper technological means, realize normally using vehicle when not adding urea, the normal injection of urea can be recovered again when vehicle is monitored simultaneously, thus reach the requirement of state IV and V emission standard, comprising: 1) AdBlue simulator, realizes the simulation to SCR system normal signal, and be sent to ECU (ElectronicControlUnit), vehicle is still normally carried out in without urea situation; 2) ADS (automobilediagnosticScanner) diagnostic equipment, similar with said method, by the shielding to OBD (On-BoardDiagnostics) system, changes the normal injection of urea; 3) DTS (DiagnosticToolSet) system, by distorting OBD program, cancels the restriction of OBD to torsional moment of diesel engine; 4) mode etc. of faking on aqueous solution of urea is also had to realize reducing the object of urea user cost.
Summary of the invention
In view of this, it is a kind of for long-range prevention and control and the device of monitoring diesel emission that the present invention is intended to proposition on the basis in conjunction with vehicle-mounted OBD technology and car networking concepts, for the discharge of NOx in real time on-line monitoring vehicle travel process, user is avoided to utilize improper technological means to reduce urea user cost.
For achieving the above object, technological scheme of the present invention is achieved in that
For long-range prevention and control and the device of monitoring diesel emission, comprise physics prevention and control unit and electronic monitoring unit,
Described physics prevention and control unit comprises electronics seal, emission sensor, fixed support, fixing bolt, described emission sensor is arranged on the outlet pipe of diesel engine by fixed support, and be fixed by fixing bolt screw-in outlet pipe, by wire harness through emission sensor and support bracket fastened through hole, and with electronics seal by locked for the two ends of wire harness, described electronics seal is connected with the ECU signal of diesel engine;
Described electronic monitoring unit comprises Auto analyzer and communication module, described Auto analyzer signal connects the ECU of diesel engine, the diesel engine service data gathered by the ECU of diesel engine and emissions data carry out protocol translation, be translated into standard serial port protocol data, then the communication module of being networked by car by data flow to remote server.
Further, described emission sensor to comprise before the catalyst converter being arranged on Diesel Engine Exhaust Pipe rear and front end respectively emission sensor after emission sensor and catalyst converter.
Further, the source of the emissions data of the ECU collection of described diesel engine comprises emission sensor and is arranged on the selective catalytic reduction sensor of circumference in the middle part of Diesel Engine Exhaust Pipe, and the diesel engine service data source of collection is for being arranged on the some sensors in diesel engine body.
Further, described electronics seal is the electronics seal of band numbering.
Further, described Auto analyzer is ELM327 chip, and communication module is SIM300.
Relative to prior art, the present invention has following advantage:
(1) utilize electronics seal and fixing bolt are fixed by emission sensor and seal up for safekeeping on outlet pipe, electronics seal transmission of signal, to car networking, prevents unauthorized people from carrying out dismounting to emission sensor without authorization; Safe and reliable, easy for installation, price is reliable, implements to be easier to;
(2) Operational Limits of the measurement diesel engine of electronic monitoring unit real-time online and emissions data index, operating mode and the emission compliance situation of diesel engine can accurately be grasped, and can process, analyze, to monitor and whether recording engine is changed without authorization by unauthorized people;
(3) utilize the protocol translator that ELM327 chip communicates as OBD, can be standard serial port agreement by OBD convert information, versatility be good.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the fundamental diagram of the embodiment of the present invention;
Fig. 2 is the structural principle of the physics prevention and control unit described in the embodiment of the present invention.
Description of reference numerals:
1-diesel engine body, 2-diesel engine service data, 3-ECU, 4-ELM327 chip, vehicle-mounted Flash, the 6-SIM300 communication module of 5-, 7-remote server, 8-emissions data, emission sensor after 9-catalyst converter, 10-SCR sensor, emission sensor before 11-catalyst converter, 12-electronics seal, 13-fixing bolt, 14-fixed support.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention is used for the device of long-range prevention and control and monitoring diesel emission, as shown in Figure 1, comprises physics prevention and control unit and electronic monitoring unit,
As shown in Figure 2, described physics prevention and control unit comprises electronics seal 12, emission sensor, fixed support 14, fixing bolt 13, described emission sensor is arranged on the outlet pipe of diesel engine by fixed support 14, and screw in outlet pipe by fixing bolt 13 and be fixed, wire harness is passed the through hole of emission sensor and fixed support 14, and with electronics seal 12 by locked for the two ends of wire harness, described electronics seal 12 is connected with the ECU3 signal of matched with diesel engine;
Described emission sensor to comprise before the catalyst converter being arranged on Diesel Engine Exhaust Pipe rear and front end respectively emission sensor 9 after emission sensor 11 and catalyst converter.
Described electronics seal 12 is the electronics seal 12 of band numbering.
Described electronic monitoring unit comprises Auto analyzer and communication module, described Auto analyzer signal connects the ECU3 of diesel engine, the diesel engine service data 2 gathered by the ECU3 of diesel engine and emissions data 8 carry out protocol translation, be translated into standard serial port protocol data, be transferred to vehicle-mounted Flash5 to store, vehicle-mounted Flash5 mileage according to again by the wireless radio-frequency of the communication module of car networking network by data flow to remote server 7.
The source of the emissions data 8 of the ECU3 collection of wherein said diesel engine comprises emission sensor and is arranged on the selective catalytic reduction sensor 10 of circumference in the middle part of Diesel Engine Exhaust Pipe, and the diesel engine service data 2 of collection is originated as being arranged on the some sensors in diesel engine body 1.
Described Auto analyzer is ELM327 chip 4, as the translator of OBD communication protocol, support all OBD-II agreements: ISO15765-4 (CAN), ISO14230 (KWP2000), ISO9141-2 and SAEJ1850 agreement, can be standard serial port agreement by OBD convert information, versatility be fine.
Described communication module adopts the embedded powerful TCP/CP communication protocol of SIM300 communication module 6, SIM300, supports GPRS and short message dual-channel transmission data, supports to carry out data communication with polycentric, compatible good; In addition, SIM300 little power consumption (≤0.1mA/12V), is highly suitable in Engine ECU 3 integrated.
For physics prevention and control unit, when the fixing bolt 13 of fixed discharge sensor screws in outlet pipe completely, wire harness is passed in the through hole of emission sensor and fixed support 14 thereof, and it is with the electronics seal 12 of band coding, wire harness is locked, when there being unauthorized people wire harness opened or destroy, electronics seal 12 can be reported to the police, and signal is transmitted into remote server 7 by the communication module that car is networked, be recorded in remote server 7 due to the intrinsic unique number of electronics seal 12, therefore electronics seal 12 can not imitate and forge, and plays prevention and control effect.
The diesel engine service data 2 of acquisition and emissions data 8 can be carried out treatment and analysis by described remote server 7, finally judge: whether the emissions data 8 of NOx reaches the emission standard of discharge MAP index that automobile vendor provides and state IV or state V; When the ECU3 having unauthorized person to diesel engine distorts or shield emission sensor signal and other sensor signals, when Fuel Injection Quantity for Diesel and rotating speed are in a certain stable state or instantaneous conditions, delivery temperature, the emissions datas such as catalyst converter efficiency and NOx 8 and manufacturer differ by more than a definite limitation to the data that server provides, then judge that control unit ECU3 is tampered; When needing due to fault to place under repair to control unit ECU3, need to file an application to remote server 7 end.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1., for long-range prevention and control and the device of monitoring diesel emission, it is characterized in that: comprise physics prevention and control unit and electronic monitoring unit,
Described physics prevention and control unit comprises electronics seal, emission sensor, fixed support, fixing bolt, described emission sensor is arranged on the outlet pipe of diesel engine by fixed support, and be fixed by fixing bolt screw-in outlet pipe, by wire harness through emission sensor and support bracket fastened through hole, and with electronics seal by locked for the two ends of wire harness, described electronics seal is connected with the ECU signal of diesel engine;
Described electronic monitoring unit comprises Auto analyzer and communication module, described Auto analyzer signal connects the ECU of diesel engine, the diesel engine service data gathered by the ECU of diesel engine and emissions data carry out protocol translation, be translated into standard serial port protocol data, then the communication module of being networked by car by data flow to remote server.
2. the device for long-range prevention and control and monitoring diesel emission according to claim 1, is characterized in that: described emission sensor to comprise before the catalyst converter being arranged on Diesel Engine Exhaust Pipe rear and front end respectively emission sensor after emission sensor and catalyst converter.
3. according to claim 2 for long-range prevention and control and the device of monitoring diesel emission, it is characterized in that: the source of the emissions data of the ECU collection of described diesel engine comprises emission sensor and is arranged on the selective catalytic reduction sensor of circumference in the middle part of Diesel Engine Exhaust Pipe, the diesel engine service data source of collection is for being arranged on the some sensors in diesel engine body.
4. according to claim 1 for long-range prevention and control and the device of monitoring diesel emission, it is characterized in that: described electronics seal is the electronics seal of band numbering.
5. according to claim 1 for long-range prevention and control and the device of monitoring diesel emission, it is characterized in that: described Auto analyzer is ELM327 chip, communication module is SIM300.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510478637.6A CN105065098B (en) | 2015-08-06 | 2015-08-06 | For long-range prevention and control and the device of monitoring diesel emission |
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| CN201510478637.6A CN105065098B (en) | 2015-08-06 | 2015-08-06 | For long-range prevention and control and the device of monitoring diesel emission |
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| CN105065098A true CN105065098A (en) | 2015-11-18 |
| CN105065098B CN105065098B (en) | 2018-01-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954472A (en) * | 2016-06-30 | 2016-09-21 | 武汉理工大学 | Device and method for detecting emission drifting of NOx of original engine of diesel engine |
| CN107703907A (en) * | 2017-08-11 | 2018-02-16 | 中国汽车技术研究中心 | Detection system for engine emission control system |
| DE102018204398A1 (en) | 2018-03-22 | 2019-09-26 | Robert Bosch Gmbh | Method and device for tamper-proof transmission of user data in a computer network |
| CN110671178A (en) * | 2019-10-08 | 2020-01-10 | 华东交通大学 | Exhaust temperature sensor diagnosis method based on exhaust temperature characteristics of different torque sections |
| CN110985173A (en) * | 2019-12-13 | 2020-04-10 | 华东交通大学 | Exhaust temperature sensor diagnosis method based on exhaust temperature characteristics under different fuel injection quantities |
| CN111538312A (en) * | 2020-04-22 | 2020-08-14 | 深圳市元征科技股份有限公司 | Vehicle remote diagnosis method, system, equipment connector and vehicle connector |
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Cited By (11)
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| CN105065098B (en) | 2018-01-09 |
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