CN102216581A - Urea monitoring and replenishment scheduling of vehicles - Google Patents

Urea monitoring and replenishment scheduling of vehicles Download PDF

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Publication number
CN102216581A
CN102216581A CN2009801456678A CN200980145667A CN102216581A CN 102216581 A CN102216581 A CN 102216581A CN 2009801456678 A CN2009801456678 A CN 2009801456678A CN 200980145667 A CN200980145667 A CN 200980145667A CN 102216581 A CN102216581 A CN 102216581A
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CN
China
Prior art keywords
urea
vehicle
supply
remote server
route
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Pending
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CN2009801456678A
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Chinese (zh)
Inventor
P·查博尼奥
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International Truck Intellectual Property Co LLC
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International Truck Intellectual Property Co LLC
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Publication date
Application filed by International Truck Intellectual Property Co LLC filed Critical International Truck Intellectual Property Co LLC
Publication of CN102216581A publication Critical patent/CN102216581A/en
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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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/05—Systems for adding substances into exhaust
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
    • F01N2900/102—Travelling distance
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/12—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle exterior
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1814—Tank level
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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

Urea supply information with is integrated with vehicle location, routing and urea consumption information to generate driver guidance for obtaining urea resupply or, at a minimum, automatically generating orders to position supplies of urea at a target location.

Description

The urea monitoring of vehicle and supply planning
Technical field
The present invention relates to the vehicle remote information processing, and more specifically to the route planning and the program setting that provide for the vehicle of the required urea of supply exhaust aftertreatment on the vehicle that is equipped with diesel engine at some.
Background technique
Since 2010, there is the road vehicle of diesel engine need satisfy severe emission standard at United States Equipment.A kind of for reduce diesel emission post-processing technology, be that optional catalytic reduction (SCR) needs urea.If having required the diesel engine pollution control system can't move vehicle, Environmental Defense can not use.The exhausting of vehicle-mounted urea supply that is equipped with on the vehicle of SCR can be the situation that vehicle is stopped using.
The user of commercial car has the needs of guaranteeing the reasonable usability of urea, so that can carry out supply to vehicle-mounted urea supply under the condition that has less urea distributed basis facility.The statement urea cost that diesel engine reduction of discharging (DEER) meeting of the 24-28 day in August, 2003 of Ba Dun and Lonsdale is write can be controlled by the distribution cost but not mainly be controlled by the cost of production or the cost of raw material.Equal in the urea consumption that liquid state is measured under the condition of about 5% fuel consume, according to the CAFE of 6.5 meters per gallons that are generally used for heavy truck, the stroke that 25 gallons urea storage tank support unit is 3250 meters.Near manufacturing mechanism urea supply is convenient to make its cost minimum, to guarantee certain cost savings.Yet, scrap owing to the technical development meeting causes based on the SCR system of urea, thereby may suppress the development of urea distribution system.
If vehicle must wait urea out of service supply, then because vehicle can not use and urea promptly need be delivered to vehicle, thereby its owner can produce a large amount of expenses.Advantageously, estimate demand that supply is supplied with and can be effectively with the vehicle route design near existing supply, plan supply and/or pre-aligned supply in advance so that minimum downtime of vehicle.
Assignee of the present invention operates international intelligence type Vehicular intelligent system, is enhancement mode vehicle remote information processing, and this enhancement mode vehicle remote information processing provides vehicle performance tracking, diagnostic function and mapping ability by vehicle electronic device with from the mixing of car electronic equipment.Acting on of vehicle can receive this system.Comprise wireless communication system and global positioning system (GPS) from the car electronic equipment.
Summary of the invention
Vehicle for the SCR exhaust after treatment system that is equipped with internal-combustion engine and use urea, the present invention integrates available urea supply information and vehicle location, route and urea consumption information, obtain urea with the guiding driver and resupply, perhaps produce order at least automatically so that urea supply is positioned at target location.Positioning information system provides the current vehicles position.Car tracing fuel consumption and urea storage tank filling level.These data are sent to the central data processing server by communication line, and this central data processing server can be visited current and urea usability plan along possible circuit, and data are back to the driver of vehicle.
In the written description below, additional effect, feature and advantage will become apparent.
Description of drawings
The novel features of thinking characteristic of the present invention has been described in appending claims.Yet, below in conjunction with the detailed description of accompanying drawing, will understand the present invention self and preferable use pattern and other purpose and advantage thereof best with reference to an exemplary embodiment, in the accompanying drawings:
Fig. 1 is the schematic representation that is suitable in order to the teleprocessing system of the data collection of the data status that strengthens commercial car service time and integrated system.
Fig. 2 is the block diagram that is suitable for use in data collection shown in Figure 1 and the vehicle control device Local Area Network control system in the integrated system.
Fig. 3 is the simplified flow chart relevant with route with the vehicle identification that is used for urea supply.
Embodiment
Referring now to accompanying drawing, and specifically referring to Fig. 1, generality vehicle remote information processing 100 is shown, the central authorities that Special attention will be given to is used for vehicle management support.Can use one or more vehicles, normally a large amount of vehicles to implement vehicle remote information processing 100.These vehicles are referred to by vehicle 102, use any convenient means that the server of vehicle and MANUFACTURER or vehicle operator server 114 are communicated.Usually implement this link by cell phone line 108, to be linked with cellular telephone base stations 112 or short distance RF circuit.
Vehicle 102 comprises the electronic control system based on controller zone network (CAN) system 104.104 links of this controller zone network system are contained in various controllers on the commercial car 102 to carry out data communication, and allow to activate and control, and allow to use the global location service of for example adopting the global location unit 108 that reads gps satellite 110 for example carrying out central authorities by the remote data communication service of telephone line 106.
Cellular telephone base stations 112 is linked by land line, and this land line (if preferably words) comprises Internet Server, in order to future cellular autofluorescence telephone link 108 data send server 114 to.As hereinafter describing in detail, can comprise with engine load, extreme braking use and by the collected relevant information of other vehicle operating variable of CAN system 104 from the data of vehicle 102.Forwarding is expressed as time, date, position and mileage from the record data of vehicle 102.Data can be forwarded to server 114 via the cell phone line from vehicle by connection set 115 (for example short distance RF or directly hand-held line connect), this server access statistical processing server 124 determines that in order to the historical context according to the fuel consume of itself and vehicle 102 urea supply of being estimated continues.The addressable database 128 that comprises geographical information system, estimating fuel consume (if feasible) according to vehicle route, and upgrade urea for the some tabulation in order to upwards to transfer to the driver on the vehicle 102.Server 114 is safeguarded the site with the webpage that is used for each car 102, this site can comprise the map of the supply position with vehicle location and symbol and available urea supply, emphasize to supply with vehicle route location, and provide potentially such as price, website hours run or the like out of Memory along being estimated.
Server 114 is safeguarded the car statistics database by the institute of the mileage on the database 128 index, and in the usability of the urea at urea filing provision 190 places of geographical distribution.These records that allowed in urea uses tend to by comparison operation detected, and the result is placed on the fixedly webpage on the site 122, are used for management and use.
Referring now to Fig. 2, the feature of the controller zone network system 104 that for example is used on the vehicle 102 is shown.This controller zone network 104 have as functional element, based on the host computer able to programme 230 of microprocessor 272 and storage 274.Storage 274 also can not only comprise the loss tendency part but also comprise non-volatile part (not shown).Microprocessor 272 communicates by other parts of conventional bus and host computer able to programme 230.Other parts of computer are the input/output devices that are used to handle network service, comprise first (public) controller zone network (CAN) interface 250 and second (individual) controller zone network (CAN) interface 250.Vehicle electrical system 245 provides power for all parts.Microprocessor 272 is directly connected in input device and the output unit that is installed in the vehicle cab.
CAN system 104 comprises two different controller zone networks based on first bus and second bus, first bus is used for the public code of automotive engineering association (SAE) standard of J1939 network, and second bus is used personal code, and this personal code can define under this standard." individual " only means that the J1939 data block of reference format can be limited as required by OEM.Common bus at first is connected in a plurality of SC system controller with CAN interface 250, and these SC system controller comprise instrument and throw over switch group 212, instrument panel 214, antilock braking system (ABS) controller 219, drive controller 216 and engine controller 220.Any controller in these controllers also can be connected in sensor or the sensor groups that is associated with specific controller.For example, abs controller 219 is collected data from sensor 231, and these sensors comprise the wheel speed sensors that is used for determining sideslip at least.Drive controller 216 traceable transmission fluid levels or comprise drive shaft speed meter from chain sensor 217.Yet, most important set of sensors is the engine sensor assembly 221 that is connected in engine controller 230, and this sensor groups comprises the reading of temperature, height and the permittivity of engine speed meter, intake temperature meter (the reasonable reading of ambient temperature is provided), coolant temperature and engine oil.This engine controller 220 is provided for the tie point easily of urea level sensor 270, the filling level of these urea level sensor 270 monitoring urea storage tank 271.
Microprocessor/host computer 230 itself is controller and can be used for direct monitor vehicle parts, for example is connected in the working condition of the lamp of electronics 233.Host computer 230 is operated on two different CAN buses as controller.Use the device of personal code to be connected in second bus, and comprise GPS receiving element 242, special controller 244 and cell phone Transmit-Receive Unit 240, and each device all comprises CAN interface 250 at this.Transmit-Receive Unit 240 additionally comprises microcontroller 241, modulating unit 243 and the Transmit-Receive Unit 245 that is connected in antenna 247.By host computer 230, most use to code block that this function limits, be sent to cellular phone unit 240 by the 2nd CAN network by the collected data of a CAN network, be used to modulate carrier in these these data of cellular phone unit 240 places as the signal transmission.Host computer 230 has and for example passes to the data of mileage and the path of clocking information, fuel consume and urea storage tank filling level and gps data, make host computer the data logging value can be pressed into to be associated with sensor reading, drop on time, date, mileage and position outside the normal reading category, perhaps satisfy certain standard by the operator limited.This is based upon demand or the hope of keeping the record that is used for central server 114 uses.
With reference to Fig. 3, the flow chart that is used to describe the vehicle and the operation of the server level of supporting system of the present invention and processing is shown.When vehicle launch and during periodic cycle after this, from GPS unit 303 or equivalent obtain the position (step 301) of vehicle 102.Upgrade the communication identifier list of vehicle in step 305.The GPS locating information can be used for crucially getting rid of the destination from the tabulation top, and next can rearrange and adding purpose ground.Each this communication identifier list that upgrades, the route of then being estimated changes (step 307).Addressable geographical information system 309 with draw comprise such as detour or even interim traffic condition the route considered.Can imagine on some vehicles, can according to the usability of route and congestion interactivity make route and destination order.Can estimate that urea consumes 311 according to the fuel economy of estimating for selected route with based on expectation use and present urea storage tank filling level estimated ranges.In case finish this step, then can produce the urea supply option (step 313) that is shown to the driver, emphasize along the urea filing provision 190 of estimate route location.If this option is not preferable, then can considers to assemble urea (step 315) in advance, and supply with location (step 317) at urea filing provision 190.
Those skilled in the art should be understood that now and can have alternate embodiment of the present invention.Although the present invention only illustrates with an one form, therefore not restricted, but can not break away from spirit of the present invention and scope is made various changes and modification.

Claims (11)

1. urea supply management system of vehicle that is used to be equipped with internal-combustion engine and uses the exhaust after treatment system of urea, described urea supply management system comprises:
Position determination unit, described position determination unit are installed on the described vehicle;
Urea storage tank and urea storage tank filling level sensor;
Remote server, described remote server has the path of the geographic information of passing to, and described geographic information comprises the supply position of supplying urea that is used for vehicle;
Host computer, described host computer is installed on the described vehicle and connects into from described position determination unit and described urea filling level sensor and receives data, and receive from the input on driver's I/O interface, and information is presented on described driver's I/O interface;
The communications system link, described communications system link is between described remote server and described host computer;
Described remote server is in response to described vehicle location and described urea storage tank filling level, by described communications system link the urea supply position is offered described host computer, on the I/O interface that is presented at described driver.
2. urea supply management system as claimed in claim 1 is characterized in that, also comprises:
Described remote server also utilizes described vehicle location, vehicle destination and route information that analysis to described urea supply position is provided, thereby drive guiding for described driver provides, resupply with the urea that obtains to be presented on described driver's I/O interface.
3. urea supply management system as claimed in claim 2 is characterized in that, also comprises:
Also described remote server is programmed, with produce with urea be delivered to can from vehicle estimated the order of the position that route reaches.
4. urea supply management system as claimed in claim 3 is characterized in that, also comprises:
Described remote server contrasts described urea storage tank filling level and follows the trail of fuel consume, and assesses the vehicle operating scope according to the urea reserves.
5. urea supply management system as claimed in claim 4 is characterized in that, also comprises: provide described host computer to remove, to add and to rearrange communication identifier list.
One kind to be equipped with diesel engine, use urea carry out after the method that manages of urea supply on the vehicle of pump-down process, described method comprises the steps:
Be updated periodically the communication identifier list that is used for described vehicle;
From described communication identifier list and geographical information system, be identified for the route of described vehicle;
Monitoring urea storage tank filling level, and assess the residue range of operation of vehicle according to urea consumption and urea reserves; And
For showing, described vehicle driver is connected to the supply station tabulation of determining route.
7. the method for management urea as claimed in claim 6 supply is characterized in that, described method comprises following additional step:
In response to the indication that no supply station can be used, order is delivered to the specified position that is used for the described vehicle of supply with urea supply.
8. one kind is used for the data integrated system that the supply of motor vehicle urea is served, and comprising:
Traverse the urea filing provision of geographical zone location and the central database of these urea filing provision place urea usabilities;
When passing described geographic area, need a plurality of vehicles of urea filling periodically; And
Communications system, described communications system is linked in described central database with a plurality of vehicles, makes described vehicle can indicate the demand of urea supply, and makes described central database distribute the personalization tabulation of expection urea filing provision to vehicle.
9. data integrated system as claimed in claim 8 is characterized in that, described system also comprises:
Described a plurality of vehicle comprises data processing equipment, and described data processing equipment operation produces and the renewal communication identifier list.
10. data integrated system as claimed in claim 9 is characterized in that, described system also comprises:
Described central database is based on described communication identifier list and in response to providing route for the forecast demand of urea supply and for each vehicle.
11. data integrated system as claimed in claim 10 is characterized in that, described system also comprises:
Be used to instruct the device of the urea location that is used for vehicle.
CN2009801456678A 2008-11-13 2009-11-12 Urea monitoring and replenishment scheduling of vehicles Pending CN102216581A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/269,926 US20100115925A1 (en) 2008-11-13 2008-11-13 Urea Monitoring And Replenishment Scheduling of Vehicles
US12/269,926 2008-11-13
PCT/US2009/064193 WO2010056852A1 (en) 2008-11-13 2009-11-12 Urea monitoring and replenishment scheduling of vehicles

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US (1) US20100115925A1 (en)
EP (1) EP2356323A1 (en)
KR (1) KR20110094060A (en)
CN (1) CN102216581A (en)
AU (1) AU2009314052A1 (en)
BR (1) BRPI0921203A2 (en)
CA (1) CA2741662A1 (en)
MX (1) MX2011004734A (en)
WO (1) WO2010056852A1 (en)

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Application publication date: 20111012