CN109630337A - The method and system of engine noise are reduced during a kind of motor vehicle is flame-out - Google Patents
The method and system of engine noise are reduced during a kind of motor vehicle is flame-out Download PDFInfo
- Publication number
- CN109630337A CN109630337A CN201811429367.XA CN201811429367A CN109630337A CN 109630337 A CN109630337 A CN 109630337A CN 201811429367 A CN201811429367 A CN 201811429367A CN 109630337 A CN109630337 A CN 109630337A
- Authority
- CN
- China
- Prior art keywords
- flame
- generator
- motor vehicle
- engine
- engine noise
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- 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 present invention discloses a kind of flame-out method for reducing engine noise in the process of motor vehicle, comprising: assigns flame-out instruction, promotes the voltage or/and exciting current of generator.Invention additionally discloses a kind of motor vehicle reduces engine noise systems during flame-out, and the voltage or/and exciting current of adjustment module regulator generator after assigning flame-out instruction are controlled including ECU, the adjustment module connecting with the ECU, the ECU.By promoting the voltage or/and exciting current of generator, the electric energy that generator generates in the generator unit time is increased, acceleration generator consumes the dump energy of engine after flame-out instruction issuing.
Description
Technical field
The present invention relates to the flame-out reduction engines in the process of motor car engine technical field more particularly to a kind of motor vehicle
The method and system of noise.
Background technique
It is coarse to the noise of engine, vibration and sound and vibration as the requirement that consumer drives impression to automobile is increasingly promoted
Degree (Noise, Vibration, Harshness abbreviation NVH) requires also to step up.In order to reduce the transmitting of engine torsional oscillation,
Centrifugation pendulum-type bump leveller (centrifugal pendulum absorber abbreviation CPA) is increased inside double mass flywheel.But
During motor vehicle is flame-out, the centrifugal force that engine speed generates is not enough to that CPA is supported to slide on the slide rail, be easy to cause CPA,
The problem of colliding between driving flange, sliding pin three, to generate beat noise.This noise seems prominent during flame-out
It is towering, easily cause the complaint of client.Therefore, weaken or eliminate noise of engine during flame-out, it appears particularly important.
Summary of the invention
The purpose of the present invention essentially consists in the method for providing a kind of flame-out engine noise of reduction in the process of motor vehicle and is
System, this method can effectively improve the noise that flame-out rear engine generates.
For achieving the above object, the present invention provides a kind of flame-out method for reducing engine noise in the process of motor vehicle
And the method for system, comprising: assign flame-out instruction, promote the voltage or/and exciting current of generator.
In one embodiment, before assigning flame-out instruction, the electricity of battery is monitored, the accumulator electric-quantity is kept
In power shortage state.
In one embodiment, it is 95% that the power shortage state, which is maintained at accumulator electric-quantity,.
In one embodiment, after the voltage of generator or/and exciting current are promoted, the electric current that generator generates increases
Greatly, the dump energy for the engine for obtaining generator within the unit time increases, and generator generates within the unit time
Electric energy increase, acceleration generator consumes the dump energy of engine after flame-out instruction issuing.
A kind of the present invention also provides motor vehicles to reduce engine noise system during flame-out, including ECU, with it is described
The adjustment module of ECU connection, the ECU controlled after assigning flame-out instruction the adjustment module regulator generator voltage or/
And exciting current.
In one embodiment, including power storage module, the power storage module connect the ECU, the power storage module packet
Include the storage battery sensor of battery, the connection battery, the storage battery sensor respectively with the ECU, the electric power storage
Pond connection guarantees that battery is in power shortage state to the electricity that battery described in detecting real-time is stored.
In one embodiment, it is 95% that the power shortage state, which is maintained at accumulator electric-quantity,.
In one embodiment, after the voltage of generator or/and exciting current are promoted, the electric current that generator generates increases
Greatly, the dump energy for the engine for obtaining generator within the unit time increases, and generator generates within the unit time
Electric energy increase, acceleration generator consumes the dump energy of engine after flame-out instruction issuing.
The method that engine noise is reduced during motor vehicle of the present invention is flame-out, generates electricity when by promoting flame-out instruction issuing
The voltage or/and exciting current of machine, increase the electric energy that generator generates in the generator unit time, and acceleration generator consumption is put out
The dump energy of engine after fiery instruction issuing.
Detailed description of the invention
Fig. 1 is the step schematic diagram that the method for engine noise is reduced during motor vehicle of the embodiment of the present invention is flame-out；
Fig. 2 is the structural schematic diagram that the system of engine noise is reduced during motor vehicle of the embodiment of the present invention is flame-out.
Specific embodiment
It is of the invention to reach the technical approach and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Accompanying drawings and embodiments, to a specific embodiment of the invention, structure, feature and its effect, detailed description is as follows.
Referring to Fig. 1 and Fig. 2, the method that engine noise is reduced during a kind of motor vehicle of the embodiment of the present invention is flame-out, packet
It includes: assigning flame-out instruction, promote the voltage and exciting current of generator, acceleration generator consumes engine after flame-out instruction issuing
Dump energy, reduce it is flame-out during engine noise.
In the present embodiment, specific step is as follows for the method for reduction engine noise during motor vehicle is flame-out.
S1: detecting real-time accumulator electric-quantity.
Before flame-out instruction issuing, by detecting real-time accumulator electric-quantity, guarantee that accumulator electric-quantity is maintained at power shortage state,
Meet the needs for the power storage that generator generates after stopping working instruction issuing.Preferably, accumulator electric-quantity is maintained at 95%.
S2: after assigning flame-out instruction, the voltage and exciting current of generator are promoted.
In the present embodiment, in order to consume the dump energy of engine after flame-out instruction issuing in the shortest time, simultaneously
The voltage and exciting current of generator are promoted, the electric current for generating generator within the unit time increases rapidly, so as to quick
Increase the electric energy that generator generates within the unit time, provide biggish negative torque to engine, accelerates generator in unit
The engine residual energy of interior consumption, and then shorten the time that engine crankshaft is moved by dump energy, it improves flame-out
Noise.Preferably, when generator voltage is promoted to 15V, when the electric current that generator consumption of engine dump energy generates is 90A,
Reach rapid wear engine residual energy, and does not influence the optimum efficiency of other NVH performances.
In other embodiments, engine voltage or exciting current can individually be promoted.
The system that a kind of flame-out engine noise of reduction in the process of motor vehicle is also disclosed in the embodiment of the present invention, including ECU1,
The adjustment module 3 being connect with ECU1, ECU1 control to adjust module 3 in flame-out instruction issuing the voltage of regulator generator or/and
Exciting current.Accelerate the engine residual energy that generator consumes within the unit time, to generate after reducing engine misses
Noise.
In the present embodiment, adjustment module 3 and in flame-out instruction issuing, while the voltage of regulator generator and excitation electricity
Stream.The electric current for generating generator increases rapidly within the unit time, produces so as to quickly increase generator within the unit time
Raw electric energy provides biggish negative torque to engine, accelerates the engine residual energy that generator consumes within the unit time,
And then shorten the time that engine crankshaft is moved by dump energy, improve flame-out noise.Preferably, when generator voltage mentions
15V is raised to reach when the electric current that generator consumption of engine dump energy generates is 90A and rapidly deplete engine residual energy,
And do not influence the optimum efficiency of other NVH performances.
The system that engine noise is reduced during motor vehicle is flame-out is equipped with power storage module 5, and power storage module 5 connects ECU1.
Battery module 5 includes battery 52, the storage battery sensor 51 for connecting battery 52.
Battery 52 is connect with generator and vehicle mounted electrical apparatus respectively, to store the electric energy of generator generation and to vehicle mounted electric
Device electric discharge.The power storage that generator generates is got up by battery 52, it can be negative for electric appliance in subsequent motor-driven vehicle going
Placing is electric and is exported as power source, saves oil consumption, reduces cost.
Due to there is a situation where to stop working after motor vehicle starting at any time, the electricity of battery 52 is maintained at power shortage state,
Meet the needs for the power storage that generator generates after stopping working instruction issuing.It is preferred that 52 electricity of battery is maintained at 95%.To protect
Card 52 electricity of battery is in power shortage state, and the system that engine noise is reduced during motor vehicle is flame-out is additionally provided with battery biography
Sensor 51.Storage battery sensor 51 is connect with ECU1, the electricity stored to detecting real-time battery 52.
In the present invention, by the method for the voltage or/and exciting current of generator after the flame-out instruction issuing of promotion, reach
The effect of engine noise is reduced or eliminated during flame-out, the method is not necessarily to the change made in structure.Therefore, cost
It is lower；Meanwhile the problem of CPA is hit during flame-out is also improved, the component and CPA for avoiding engine are impacted and make
At damage.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. reducing the method for engine noise during a kind of motor vehicle is flame-out characterized by comprising assign flame-out instruction
Afterwards, the voltage or/and exciting current of generator are promoted.
2. reducing the method for engine noise during motor vehicle as described in claim 1 is flame-out, which is characterized in that assigning
Before flame-out instruction, the electricity of battery is monitored, keeps the accumulator electric-quantity in power shortage state.
3. reducing the method for engine noise during motor vehicle as claimed in claim 2 is flame-out, which is characterized in that described to lose
It is 95% that electricity condition, which is maintained at accumulator electric-quantity,.
4. reducing the method for engine noise during motor vehicle as described in claim 1 is flame-out, which is characterized in that work as power generation
After the voltage or/and exciting current of machine are promoted, the electric current that generator generates increases, the institute for obtaining generator within the unit time
The dump energy for stating engine increases, and the electric energy that generator generates within the unit time increases, and acceleration generator consumption is flame-out to be referred to
Enable the dump energy for assigning rear engine.
5. reducing the system of engine noise during a kind of motor vehicle is flame-out, which is characterized in that connect including ECU, with the ECU
The adjustment module connect, the ECU control the voltage or/and excitation of the adjustment module regulator generator after assigning flame-out instruction
Electric current.
6. reducing the system of engine noise during motor vehicle as claimed in claim 5 is flame-out, which is characterized in that including storing
Electric module, the power storage module connect the ECU, and the power storage module includes the battery of battery, the connection battery
Sensor, the storage battery sensor are connect with the ECU, the battery respectively, to the institute of battery described in detecting real-time
The electricity of storage guarantees that battery is in power shortage state.
7. reducing the system of engine noise during motor vehicle as claimed in claim 6 is flame-out, which is characterized in that described to lose
It is 95% that electricity condition, which is maintained at accumulator electric-quantity,.
8. reducing the system of engine noise during motor vehicle as claimed in claim 5 is flame-out, which is characterized in that work as power generation
After the voltage or/and exciting current of machine are promoted, the electric current that generator generates increases, the institute for obtaining generator within the unit time
The dump energy for stating engine increases, and the electric energy that generator generates within the unit time increases, and acceleration generator consumption is flame-out to be referred to
Enable the dump energy for assigning rear engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429367.XA CN109630337A (en) | 2018-11-27 | 2018-11-27 | The method and system of engine noise are reduced during a kind of motor vehicle is flame-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429367.XA CN109630337A (en) | 2018-11-27 | 2018-11-27 | The method and system of engine noise are reduced during a kind of motor vehicle is flame-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630337A true CN109630337A (en) | 2019-04-16 |
Family
ID=66069655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429367.XA Pending CN109630337A (en) | 2018-11-27 | 2018-11-27 | The method and system of engine noise are reduced during a kind of motor vehicle is flame-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045765A (en) * | 2022-07-12 | 2022-09-13 | 浙江吉利控股集团有限公司 | Engine stopping method and device and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1036695A2 (en) * | 1999-03-09 | 2000-09-20 | Honda Giken Kogyo Kabushiki Kaisha | Engine control system for hybrid vehicle |
| EP1207298A2 (en) * | 2000-11-16 | 2002-05-22 | Toyota Jidosha Kabushiki Kaisha | Vehicle driving apparatus |
| JP2004293327A (en) * | 2003-03-25 | 2004-10-21 | Mitsubishi Motors Corp | Automatic engine stopping device |
| CN104169531A (en) * | 2012-03-29 | 2014-11-26 | 阿尔斯通技术有限公司 | Method of operating turbine engine after flame off |
| KR101667330B1 (en) * | 2015-07-17 | 2016-10-19 | 주식회사 한국카본 | Vertical take off and landing aircraft using hybrid-electric propulsion system |
| CN107100745A (en) * | 2016-02-22 | 2017-08-29 | 上汽通用汽车有限公司 | The method of noise of automobile of the reduction with double mass flywheel during flame-out |
-
2018
- 2018-11-27 CN CN201811429367.XA patent/CN109630337A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1036695A2 (en) * | 1999-03-09 | 2000-09-20 | Honda Giken Kogyo Kabushiki Kaisha | Engine control system for hybrid vehicle |
| EP1207298A2 (en) * | 2000-11-16 | 2002-05-22 | Toyota Jidosha Kabushiki Kaisha | Vehicle driving apparatus |
| JP2004293327A (en) * | 2003-03-25 | 2004-10-21 | Mitsubishi Motors Corp | Automatic engine stopping device |
| CN104169531A (en) * | 2012-03-29 | 2014-11-26 | 阿尔斯通技术有限公司 | Method of operating turbine engine after flame off |
| KR101667330B1 (en) * | 2015-07-17 | 2016-10-19 | 주식회사 한국카본 | Vertical take off and landing aircraft using hybrid-electric propulsion system |
| CN107100745A (en) * | 2016-02-22 | 2017-08-29 | 上汽通用汽车有限公司 | The method of noise of automobile of the reduction with double mass flywheel during flame-out |
Non-Patent Citations (1)
| Title |
|---|
| 贾志涛，吴兴敏: "《汽车电气设备与检修》", 31 October 2016 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045765A (en) * | 2022-07-12 | 2022-09-13 | 浙江吉利控股集团有限公司 | Engine stopping method and device and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8606450B2 (en) | Hybrid powertrain with geared starter motor and belt alternator starter and method of restarting an engine | |
| JP5325190B2 (en) | How to start the vehicle | |
| CN102084120B (en) | Method and device for starting an internal combustion engine of a hybrid drive train | |
| JP5505509B2 (en) | Power train, control method and control apparatus for internal combustion engine | |
| US9376104B2 (en) | Engine autostart source selection | |
| US20170291596A1 (en) | Control device for hybrid vehicle | |
| JP5895897B2 (en) | Control device for hybrid vehicle | |
| KR20130066225A (en) | Power structure of hybrid system | |
| US10648544B2 (en) | Variable belt tensioner for engine and method for controlling mild hybrid vehicle using variable belt tensioner for engine | |
| US20140257607A1 (en) | Transmission oil pressure control during engine autostart | |
| CN104859634A (en) | Rapid shutdown method for hybrid vehicle engine and hybrid power system | |
| EP2752342B1 (en) | Hybrid vehicle and hybrid vehicle control method | |
| CN106246432B (en) | Engine driving control system and vehicle | |
| JP2015201995A (en) | vehicle | |
| CN109630337A (en) | The method and system of engine noise are reduced during a kind of motor vehicle is flame-out | |
| JP6036990B2 (en) | Stop control device for internal combustion engine | |
| CN103552443B (en) | The control method of a kind of air conditioning for automobiles in the time that automobile emergency accelerates | |
| US9694804B2 (en) | Delaying lash crossing for a modular hybrid transmission | |
| US20090321158A1 (en) | Hybrid Vehicle Having a Split Engine | |
| JP2017002893A (en) | Engine driving control system and vehicle | |
| CN108215768A (en) | A kind of hybrid power automobile power system and engine start/stop machine noise reducing method | |
| EP3106361A1 (en) | Hybrid combustion engine | |
| CN108501930B (en) | Control device for hybrid vehicle | |
| JP2017178004A (en) | Hybrid vehicle and control method therefor | |
| CN205239137U (en) | Internal -combustion engine changes oil -electricity hybrid vehicle device into |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |