CN104786845A - Method for adjusting engine economic rotating speed area automatically on instrument - Google Patents
Method for adjusting engine economic rotating speed area automatically on instrument Download PDFInfo
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- CN104786845A CN104786845A CN201510124994.2A CN201510124994A CN104786845A CN 104786845 A CN104786845 A CN 104786845A CN 201510124994 A CN201510124994 A CN 201510124994A CN 104786845 A CN104786845 A CN 104786845A
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Abstract
The invention relates to a method for adjusting an engine economic rotating speed area automatically on an instrument. The method comprises the steps that 1 when a vehicle is electrified, an engine ECU sends the name of a manufacturer of the engine, the engine type and power number information to a CAN bus through CI message information, the message information on the CAN bus is received by a BCU, a current value of the engine economic speed area corresponding to the name of the manufacturer of the engine, the engine type and the power number information is inquired in a storage through the CI message information, and an LED lamp installed rear a scale value in a rotating speed area corresponding to the engine economic rotating speed area on an engine revolution meter is controlled to be lightened. The engine economic rotating speed area of the vehicle model can be acquired by a driver through the instrument, so that the vehicle speed is facilitated to be kept in the economic rotating speed area to the greatest extent when the driver drives the car, and the fuel consumption is lowered effectively; module production can be achieved; the method is suitable for multiple vehicle models and can be used in a matching mode when the vehicle is assembled.
Description
Technical field
The present invention relates to a kind of method automatically adjusting engine economical rotating speed district in instrument.
Background technology
The oil consumption reducing vehicle has great significance to user.Usual user maintains engine speed the economic speed district that instrument shows to realize as far as possible.And present medium and heavy commercial vehicle/comm..vehicle is in order to improve the commonality of parts, its instrument is all identical usually, and the engine economical rotating speed district of its display is also all fixing.But in fact driving engine is different, often also difference is very large in its economic speed district, is therefore necessary the economic speed district automatically adjusting driving engine according to engine information, reduces oil consumption to help user.
Summary of the invention
The present invention, in order to overcome the deficiency of above technology, provides one and automatically searches according to engine type and power information and identify its economic speed district, thus automatically adjust the method for engine economical rotating speed district displaying contents in instrument.
The present invention overcomes the technical scheme that its technical matters adopts:
Instrument adjusts the method in engine economical rotating speed district automatically, comprises the steps
A) after vehicle powers on, manufacturers of engines title, engine type and power number information are sent in CAN by CI message information by Engine ECU, wherein by different for the SPN title of manufacturers of engines title, engine type and power number message information, the data type of described manufacturers of engines title, engine type is character type, the data type of described power number is numeric type, and its unit is Kw;
The engine economical rotating speed district numerical value corresponding with manufacturers of engines title, engine type and power number is stored in the memory device of b) BCU, BCU accepts the message information in CAN, and inquires about engine economical rotating speed district numerical value corresponding to now manufacturers of engines title, engine type and power number information in memory by message information;
C) BCU lights according to the LED after the engine economical rotating speed district Numerical Control (NC) inquired is installed on the scale value of rotary speed area corresponding with engine economical rotating speed district in engine speed indicator.
Economic speed district is reasonably shown when using new work engine in order to meet, when BCU in step b) does not inquire the engine economical rotating speed district numerical value corresponding with the message information that ECU sends from memory device, then do not perform step c), now BCU according to default value control be installed on the scale value of rotary speed area corresponding with default value in engine speed indicator after LED light, described default value is 1000-1500rpm.
In order to obvious with trivial point of red rotating speed, above-mentioned steps c) in LED adopt green LED.
The invention has the beneficial effects as follows: namely navigating mate can know the economic speed district of this vehicle driving engine in instrument, to help it speed of a motor vehicle to be remained in economic speed district in driving as far as possible, effectively reduces oil consumption.Simultaneously due to economic speed district numerical value corresponding to all manufacturers of engines titles, engine type and power number that car production producer uses can be stored in BCU memory device, therefore can modularized production, be applicable to various, entrucking can mate use.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, the present invention will be further described.
Instrument adjusts the method in engine economical rotating speed district automatically, comprises the steps
A) after vehicle powers on, manufacturers of engines title, engine type and power number information are sent in CAN by CI message information by Engine ECU, wherein by different for the SPN title of manufacturers of engines title, engine type and power number message information, the data type of manufacturers of engines title, engine type is character type, the data type of power number is numeric type, and its unit is Kw.The engine economical rotating speed district numerical value corresponding with manufacturers of engines title, engine type and power number is stored in the memory device of b) BCU, BCU accepts the message information in CAN, and inquires about engine economical rotating speed district numerical value corresponding to now manufacturers of engines title, engine type and power number information in memory by message information.C) BCU lights according to the LED after the engine economical rotating speed district Numerical Control (NC) inquired is installed on the scale value of rotary speed area corresponding with engine economical rotating speed district in engine speed indicator.Now namely navigating mate can know the economic speed district of this vehicle driving engine in instrument, to help it speed of a motor vehicle to be remained in economic speed district in driving as far as possible, effectively reduces oil consumption.Simultaneously due to economic speed district numerical value corresponding to all manufacturers of engines titles, engine type and power number that car production producer uses can be stored in BCU memory device, therefore can modularized production, be applicable to various, entrucking can mate use.
When BCU in step b) does not inquire the engine economical rotating speed district numerical value corresponding with the message information that ECU sends from memory device, then do not perform step c).The driving engine that now may adopt new spec, new producer is described, and the data in the memory device of BCU also do not upgrade in time.Now BCU according to default value control be installed on the scale value of rotary speed area corresponding with default value in engine speed indicator after LED light, default value is 1000-1500rpm.Because the economic speed district of most of diesel engine is all in the range of speed of 1000-1500rpm, therefore by reasonably arranging default value, make to send out the economic speed district that instrument can show equally transmitting set rotating speed, one helps user to reduce oil consumption in vehicle travel process.
Step c) in LED adopt green LED.Adopting green LED to show engine economical rotating speed district can be obvious with trivial point of the red rotating speed of driving engine, is convenient to chaufeur and observes.
Claims (3)
1. in instrument, automatically adjust the method in engine economical rotating speed district, it is characterized in that: comprise the steps
A) after vehicle powers on, manufacturers of engines title, engine type and power number information are sent in CAN by CI message information by Engine ECU, wherein by different for the SPN title of manufacturers of engines title, engine type and power number message information, the data type of described manufacturers of engines title, engine type is character type, the data type of described power number is numeric type, and its unit is Kw;
The engine economical rotating speed district numerical value corresponding with manufacturers of engines title, engine type and power number is stored in the memory device of b) BCU, BCU accepts the message information in CAN, and inquires about engine economical rotating speed district numerical value corresponding to now manufacturers of engines title, engine type and power number information in memory by message information;
C) BCU lights according to the LED after the engine economical rotating speed district Numerical Control (NC) inquired is installed on the scale value of rotary speed area corresponding with engine economical rotating speed district in engine speed indicator.
2. the method automatically adjusting engine economical rotating speed district in instrument according to claim 1, it is characterized in that: when BCU in step b) does not inquire the engine economical rotating speed district numerical value corresponding with the message information that ECU sends from memory device, then do not perform step c), now BCU according to default value control be installed on the scale value of rotary speed area corresponding with default value in engine speed indicator after LED light, described default value is 1000-1500rpm.
3. the method in automatic adjustment engine economical rotating speed district in instrument according to claim 1 and 2, is characterized in that: described step c) in LED adopt green LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124994.2A CN104786845B (en) | 2015-03-23 | 2015-03-23 | A kind of method in the adjust automatically engine economical rotating speed area in instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124994.2A CN104786845B (en) | 2015-03-23 | 2015-03-23 | A kind of method in the adjust automatically engine economical rotating speed area in instrument |
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| Publication Number | Publication Date |
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| CN104786845A true CN104786845A (en) | 2015-07-22 |
| CN104786845B CN104786845B (en) | 2017-04-05 |
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| CN201510124994.2A Active CN104786845B (en) | 2015-03-23 | 2015-03-23 | A kind of method in the adjust automatically engine economical rotating speed area in instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711420A (en) * | 2016-01-19 | 2016-06-29 | 北京福田戴姆勒汽车有限公司 | Instrument and vehicle employing same |
| CN113942392A (en) * | 2021-11-25 | 2022-01-18 | 集瑞联合重工有限公司 | Processing method of vehicle engine output signal, combination instrument and automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5819201A (en) * | 1996-09-13 | 1998-10-06 | Magellan Dis, Inc. | Navigation system with vehicle service information |
| US20120119897A1 (en) * | 2010-11-17 | 2012-05-17 | Kia Motors Corporation | System for maintaining consumables of vehicle and method thereof |
| CN202703284U (en) * | 2012-06-25 | 2013-01-30 | 三一重工股份有限公司 | Combination instrument and vehicle |
| CN102975668A (en) * | 2012-11-22 | 2013-03-20 | 福建星海通信科技有限公司 | CAN (Controller Area Network) bus-based vehicle remote control method |
| CN203995717U (en) * | 2014-08-27 | 2014-12-10 | 东风汽车电子有限公司 | A kind of screen of the TFT by CAN line declared speed table economic zone auto meter |
-
2015
- 2015-03-23 CN CN201510124994.2A patent/CN104786845B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5819201A (en) * | 1996-09-13 | 1998-10-06 | Magellan Dis, Inc. | Navigation system with vehicle service information |
| US20120119897A1 (en) * | 2010-11-17 | 2012-05-17 | Kia Motors Corporation | System for maintaining consumables of vehicle and method thereof |
| CN202703284U (en) * | 2012-06-25 | 2013-01-30 | 三一重工股份有限公司 | Combination instrument and vehicle |
| CN102975668A (en) * | 2012-11-22 | 2013-03-20 | 福建星海通信科技有限公司 | CAN (Controller Area Network) bus-based vehicle remote control method |
| CN203995717U (en) * | 2014-08-27 | 2014-12-10 | 东风汽车电子有限公司 | A kind of screen of the TFT by CAN line declared speed table economic zone auto meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711420A (en) * | 2016-01-19 | 2016-06-29 | 北京福田戴姆勒汽车有限公司 | Instrument and vehicle employing same |
| CN113942392A (en) * | 2021-11-25 | 2022-01-18 | 集瑞联合重工有限公司 | Processing method of vehicle engine output signal, combination instrument and automobile |
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| Publication number | Publication date |
|---|---|
| CN104786845B (en) | 2017-04-05 |
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