FR2897707A1 - Vehicle`s e.g. commercial vehicle, energy calculating and managing method, involves equipping engine of vehicle with data collection and storage unit ,and equipping vehicle with sensors permitting to identify operating conditions of engine - Google Patents

Abstract

The method involves equipping an engine of a vehicle with a data collection and storage unit, and equipping the vehicle with diesel suction, diesel return, power takeoff, clutch contactor, parking brake state, engine speed and speedograph speed sensors (C1-C7), for identification of engine operating conditions. A fuel consumption and operating data storage unit is provided on the vehicle. The vehicle displacement, motorization starting towards an auxiliary work equipment e.g. wrecker, and fuel consumption are identified by the sensors. Engine speed of the vehicle is stored by the sensor (C6). An independent claim is also included for an embedded electronic system for calculating and managing the energy of a vehicle.

Description

Field of the Invention The present invention relates to a method and

  a system for distinguishing the amount of commercial diesel fuel used for purposes other than the propulsion of a vehicle. It applies to commercial and industrial vehicles using a work tool falling under heading 87-05 of the French Customs Tariff. It is known that the use of domestic fuel oil as a fuel in diesel engines instead of diesel fuel is strictly prohibited. The regulations reserve the use of diesel fuel for road vehicles with diesel engines and that of domestic fuel for boilers and special engines.

  The different coloring and tracing of these two products makes it possible to quickly recognize if their use complies with the regulations. The customs services carry out regular checks for verification and possibly penalties. The use of domestic fuel instead of diesel can be tempting because of their neighboring distillation intervals. However, their other characteristics have evolved in recent years in a divergent manner, in particular to adapt diesel to new types of diesel engine and after-treatment systems. The substitution of diesel fuel with domestic fuel oil is not technically advisable, particularly for modern diesel engines, moreover, for high-pressure direct-injection engines of the "common rail" or "common rail" type. The impacts are manifested on the operation of the vehicle, mainly on its engine and on its emissions. According to the Institut Français du Pétrole, the main risks are as follows: • the cold characteristics of domestic fuel are much less severe than those of gas oils and can be the cause of clogging of the diesel filters and thus of stopping the vehicles, in winter, • the viscosity of domestic fuel may be significantly higher than that of diesel fuel leads to disruption of the injection system, • the sediment content of the fuel oil may be significantly higher, resulting in consequences detrimental to the operation and endurance 1 of the injection systems, which are very important on common-rail systems, • the substitution of diesel with domestic fuel leads to a rapid deactivation of the after-treatment system (catalytic converter) and to an increase in particle releases. Indeed, the limit sulfur content of heating oil is 2000 ppm whereas it is currently limited for diesel fuel to 50 ppm to reach 10 ppm at the maximum by 2009. It is well known that reduced sulfur the activity of the catalysts favors the formation of sulphates in the form of particles, increases the periodicity of the regeneration of the particulate filters and, if appropriate, NOx traps, • the cetane index, which is much lower, of the heating oil (> 40%). domestic fuel,> 51 for diesel) leads to an increase in noise levels and particulate emission levels, • domestic fuel may have a higher final distillation point, which may lead to the formation of deposits and an increase in the levels of particles emitted. It is also known that French legislation provides for a privileged tax regime for fuels intended for the operation of an engine without the vehicle being in motion and under conditions of use, for example in the case of the use of engines. ancillary work equipment such as cranes, tow trucks, sweepers, water purifiers, concrete mixers, concrete pumps, etc. For these applications, the administration authorizes the use of heating oil in industrial vehicle engines. Authorized vehicles are then equipped with dispensing devices for switching fuel oil to diesel automatically. Current solutions The alternative currently proposed to provide an answer to the problem posed includes several devices proposed and approved by the customs administration. However, these devices do not have all the necessary security to prevent fraud. 30 The differentiation of the equipment offered on the market and the multiplicity of players makes checks very difficult or impossible and complicate the administrative management as well as the follow-up of the files.

  These types of installation also have the disadvantage of major transformations of the original fuel supply systems of the vehicle engines for which they are intended, which is not without consequences. The complexity of certain devices related to the fact that the fuels should in no case mix also causes malfunctions of the engines due inter alia to internal overpressures and too high fuel temperatures. Fuel oil used as fuel: Domestic fuel differs from diesel fuel in its characteristics, sulfur content, viscosity and cetane number. In order to meet EU environmental requirements, manufacturers of commercial and industrial vehicles are using new technologies that are incompatible with the use of fuel such as heating oil. The consequences: 1. Clogging of the diesel filters in winter 15 2. Viscosity of the fuel leading to disruption of the injection systems 3. Sediment content which has a negative impact on the operation of injection systems of the common rail type. 4. Rapid deactivation of the post-treatment system (catalytic converter) and an increase in particulate emissions. 5. Lower cetane number leading to increased noise levels and particulate emissions. 6. Higher distillation point, which can lead to deposit formation and increased levels of emitted particles. Some countries, such as Canada or Germany, also apply this tax regime but in a different form. The user buys his diesel fuel at the normal rate and then applies for a refund of the tax differential according to the conditions of employment. This system is already applied in France for the reimbursement of part of the TIPP of road diesel.

  No additional equipment, the principle is simplified and relies on the good faith of users who establish their own claims for reimbursement. Technological reminders The new technologies used in the field of the electronic management of industrial vehicles make it possible today to obtain precise and secure information of the vehicles. Cooperation between manufacturers of European industrial vehicles has led to a standard called FMS ("Fleet Management System"). This management system uses the CAN protocol to transport data, intended for greater ease of use and which makes it possible to standardize information that can be transmitted to additional equipment such as onboard management computer systems. The standard FMS standardizes the information that can be transmitted to external equipment in the case for example of embedded computer systems. Furthermore, the Multiplexing replaces the conventional wiring diagram of the wire connecting a bulb by a communication between electronic boxes. The information is no longer transmitted by a dedicated thread, but grouped in a single thread after an electronic processing. Rather than going directly to his organ to order, a wire

  20 electrical will give its information to a coding box. This box receives a set of information, which it will process in order to send them in a single thread. A decoder box will then redistribute the information to each component. This electronic transmission is called a "Bus". Multiplexing significantly reduces the number of cables and connections needed on vehicles. The CAN ("Controller Area Network") bus was developed by BOSCH and responds to a standardization of the communication protocols in multiplexing. Standardization that also allows manufacturers to limit development costs. SUMMARY OF THE INVENTION The invention proposes an on-board computer solution coupled to the CAN bus connection of the vehicles according to the FMS standard making it possible to precisely manage the consumption of diesel fuel under conditions of use as provided for by the order of 29 April 1970. Thus, the invention provides a method and an onboard electronic system for calculating and managing the energy of a vehicle equipped with a diesel engine for the propulsion of the vehicle and the operation of at least auxiliary work equipment. It also provides a method and an electronic system for managing the differential of taxes on petroleum products used by industrial vehicles equipped with ancillary work equipment.

  This electronic system controls all the "engine" operations and auxiliary equipment of off-road industrial vehicles. It allows in particular to collect and record the operating times and energy consumption of auxiliary work equipment of an industrial vehicle excluding propulsion. By the method and the device of the invention the use of domestic fuel as a tax category becomes useless. Description of the Figure Figure 1 schematically shows a particular embodiment of the method and system of the invention. DETAILED DESCRIPTION OF THE INVENTION The method of calculation and management is, according to the invention defined by the following operations: a) the engine is equipped with means for collecting and recording data;

  b) the vehicle is equipped with sensors enabling the identification of the conditions of

  engine operation (in propulsion or work equipment

  Auxiliary); c) the equipment is equipped to record operating data and diesel fuel consumption. By the method of the invention, it manages the tax differential on diesel according to the use of the engine (in propulsion or for the operation of the auxiliary work equipment).

  In particular in step (b), the sensors are identified, over time, at least the movement of the vehicle, the engagement of the engine to the auxiliary work equipment and fuel consumption. It is also possible to record the engine speed by sensor.

  In the method of the invention, the recording means of step (c) may further comprise a connection means for a data download key. The invention also relates to the on-board electronic system for calculating and managing the energy of a vehicle equipped with a diesel-fueled engine for the propulsion of the vehicle and the operation of at least one auxiliary work equipment. includes at least:

  (a) means for collecting and recording data;

  b) sensors to identify the operating conditions of the engine (propulsion and auxiliary); and c) means for recording diesel fuel operating and consumption data. There are at least sensors for identifying, over time, the movement of the vehicle, the engagement of the engine to the auxiliary work equipment and fuel consumption, and, in general, that the engine speed.

  The recorded data generally include the available FMS data, namely the chassis number, the "PTO" status (engaged or tripped), the clutch switch (clutch or clutch), the "parking brake" status ( tight or loose), engine speed, "tachograph speed" information, fuel consumption and engine operating hours.

  Through the FMS, which uses the CAN protocol, equipping all new generation of industrial vehicles, the essential data are available provided that the original FMS housing of the vehicle is set by the manufacturer. However, vehicles of the older generation (prior to 2004), which do not have the FMS technology, are also likely to be equipped with the system of the present invention. In this case, sensors necessary for the implementation of the invention will have to be installed.

  For a better traceability the on-board computer unit according to the invention will be identified and parameterized by type of vehicle according to the applications falling under heading 87-05 of the customs tariff. This unit can store the collected data. These are then automatically processed and converted by an integrated calculator. The recovery of this data may be performed for example once a year for example by an organization certified by the DRIRE, using a download key that will then transport the collected information on a space "Extranet", private and secure. The reserved access of this "Extranet" platform will enable the competent authorities to better control and control in real time the information needed for better monitoring of this tax measure. The basis of the refund of the tax differential could be done for example once a year from the data stored and extracted from the "Extranet" platform. In Figure 1, there is shown the diesel fuel circuit, which comprises a feed circuit 2, and a return circuit 3. From the GASOIL TANK, on the feed circuit 2, the diesel passes successively in a fuel prefilter, a fuel pump, a high pressure feed pump and a diesel fuel filter, and feeds the COMMON INJECTION RAMP 20 The electronic system comprises flow sensors (for example of the Coriolis type) at the suction diesel (Cl sensor) and diesel return (C2 sensor), whose information is sent to the ONBOARD DATA RECORDER, including the CAN FMS Bus. The latter also receives the information from the sensors C3 to c, namely: C3 sensor: state of power; 25 - Sensor C4: clutch switch; - C5 sensor: Parking brake status; - C6 sensor: Engine speed; C7 sensor: Tachograph speed info.

  The recorded data are transmitted to the recorder E_, equipped with a connection P, for transferring them to the "Extranet" platform (not shown in the figure), where they will be processed.

Claims (10)

  1. Method for calculating and managing the energy of a vehicle equipped with a diesel-fueled engine for the propulsion of the vehicle and the operation of at least one auxiliary work equipment, characterized in that a) the engine is equipped with engine means for collecting and recording data; b) the vehicle is equipped with sensors enabling the identification of the operating conditions of the engine (in propulsion or auxiliary work equipment); c) equips means to record operating data and consumption of diesel.   2. Method according to claim 1 characterized in that, in (b), is identified by sensors, over time, at least the movement of the vehicle, the engagement of the engine to the auxiliary work equipment and consumption fuel. 15   3. Method according to claim 1 or 2 characterized in that, in (b), the engine speed is recorded by sensor.   4. Method according to one of claims 1 to 3 characterized in that, in (c), the recording means comprise means for connecting a data download key. 20   5. Method according to one of claims 1 to 4, characterized in that one manages the differential of taxes on diesel fuel depending on the use of the engine (propulsion or auxiliary work equipment).   6. On-board electronic system for calculating and managing the energy of a vehicle equipped with a diesel engine for the propulsion of the vehicle and the operation of at least one ancillary work equipment comprising at least: a ) means for collecting and recording data; (b) sensors to identify engine operating conditions (in propulsion or auxiliary work equipment); etc.) means for recording operating data and consumption of diesel fuel.   7. System according to claim 6 characterized in that, in (b), is identified by sensors, over time, at least the movement of the vehicle, the engagement of the engine to the auxiliary work equipment and consumption fuel.   8. System according to claim 6 or 7 characterized in that, in (b), the engine speed is recorded by sensor.   9. System according to one of claims 6 to 8 characterized in that, in (c), the recording means comprise means for connecting a data download key.   10. System according to one of claims 6 to 9, characterized in that one manages the differential of taxes on diesel fuel depending on the use of the engine (propulsion or auxiliary work equipment).