CN104426443B - Power generation control during deceleration - Google Patents
Power generation control during deceleration Download PDFInfo
- Publication number
- CN104426443B CN104426443B CN201410455433.6A CN201410455433A CN104426443B CN 104426443 B CN104426443 B CN 104426443B CN 201410455433 A CN201410455433 A CN 201410455433A CN 104426443 B CN104426443 B CN 104426443B
- Authority
- CN
- China
- Prior art keywords
- generated energy
- mentioned
- generator
- combustion engine
- output
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/08—Introducing corrections for particular operating conditions for idling
- F02D41/086—Introducing corrections for particular operating conditions for idling taking into account the temperature of the engine
Abstract
When slowing down in power generation control, sense of slowing down is obtained when making vehicle deceleration using generator in vehicle deceleration.Control unit (11) forbids unit (12) to be connected with forbidding the output that the output by internal combustion engine (1) is additional to driving wheel to add, and possess the generated energy suppressing portion (22) suppressed to the generated energy of generator (8) and forbid the generated energy of the action of the generated energy suppressing portion (22) to suppress prohibition unit (23), output is additional forbid unit (12) to work and carry out fuel injection in the case of, the suppression that prohibition unit (23) forbids the generated energy of generator (8) is suppressed by generated energy.
Description
Technical field
The present invention relates to power generation control when slowing down, more particularly to possess using the driving force of internal combustion engine to generate electricity
The power generation control during deceleration of the vehicle of generator.
Background technology
Usually as the generator for being equipped on vehicle, it is known that the generating generated electricity using the rotation of I. C. engine crankshaft
Machine.
For example there is following prior art literature as the control device of the generator.
Prior art literature
Patent document
Patent document 1:No. 3797242 publication of patent
The power generation control of vehicle involved by patent document 1 during fuel shutoff, is improved and generated electricity in engine brake
The generating voltage of machine come to battery carry out forced charge, after the forced charge terminates, by with the charge volume phase in forced charge
The stipulated time answered reduces the generating voltage of generator without generating electricity.
The content of the invention
Problems to be solved by the invention
However, in vehicle deceleration, forbidding fuel cut-off sometimes.Specifically, carried out in the discharge gas to internal combustion engine net
In the case that the temperature of the catalyst of change is uprised, in order to cool down catalyst, forbid sometimes in vehicle deceleration fuel cut-off come after
It is continuous to carry out fuel injection.When in this case, relative to fuel cut-off, the output that there is internal combustion engine is difficult the tendency of reduction.
On the other hand, the generating voltage on generator, sometimes according to the SOC (charged state) or voltage of battery, the charge and discharge of battery
Electric situation etc. and cause the generating voltage of generator to increase and decrease.If suppressing generating voltage, the internal combustion engine of generator is applied
Plus load reduce, therefore internal-combustion engine rotational speed reduction speed diminish.Therefore, there is the sense of slowing down that can not obtain vehicle or cause combustion
The problem of expecting degradation in efficiency.
Therefore, it is an object of the invention to provide in vehicle deceleration using generator to make vehicle deceleration when slowed down
The power generation control during deceleration of sense.
The solution used to solve the problem
The power generation control when present invention is a kind of deceleration of vehicle, wherein, above-mentioned vehicle possesses:Generator, it is utilized
The driving force of internal combustion engine is generated electricity;And control unit, it possesses the generating suppressed to the generated energy of above-mentioned generator
Suppressing portion is measured, power generation control is characterised by during above-mentioned vehicle deceleration, is possessed and is forbidden the output by above-mentioned internal combustion engine to add
Added in the output of driving wheel and forbid unit, above-mentioned control unit possesses the generated energy for the action for forbidding above-mentioned generated energy suppressing portion
Suppress prohibition unit, above-mentioned output is additional forbid cell operation and carry out fuel injection in the case of, suppressed by above-mentioned generated energy
Prohibition unit forbids the suppression of the generated energy of above-mentioned generator.
Invention effect
The present invention obtains sense of slowing down when making vehicle deceleration using generator in vehicle deceleration.
Brief description of the drawings
Fig. 1 is the system pie graph of power generation control when slowing down.(embodiment)
Fig. 2 is the timing diagram of Generation Control when slowing down.(embodiment)
Fig. 3 is the flow chart of Generation Control when slowing down.(embodiment)
Description of reference numerals
1 internal combustion engine
2 bent axles
3 clutches (transmission clutch)
4 speed changers
5 catalyst
6 blast pipes
7 Fuelinjection nozzles
8 generators
9 batteries
Power generation control during 10 deceleration
11 control units
12 outputs are additional to forbid unit
13 accelerator pedal sensors
14 position sensors
15 clutch sensors
16 I. C. engine oil temperature detection units
17 catalyst temperature detection units
18 internal-combustion engine rotational speed detection units
19 cell voltage detection units
20 fuel injection amount control units
21 fuel cut-off control units
22 generated energy suppressing portions
23 generated energy suppress prohibition unit
24 generated energy increase portions
25 generating prohibition units
Embodiment
The present invention output is additional forbid cell operation and implement fuel injection in the case of, forbid generator power output
Suppression obtains the purpose of sense of slowing down when making vehicle deceleration using generator in vehicle deceleration to realize.
Embodiment
Fig. 1~Fig. 3 shows embodiments of the invention.
As shown in figure 1, being equipped with the internal combustion engine 1 for producing the driving force to driving wheel in vehicle.The internal combustion engine 1 possesses song
Axle 2, and the bent axle 2 links speed changer 4 via the clutch 3 as transmission clutch.Have in addition, internal combustion engine 1 links
The blast pipe 6 of standby catalyst 5.Internal combustion engine 1 is provided with Fuelinjection nozzle 7.
In addition, being equipped with the electricity of the generator 8 generated electricity using the driving force of internal combustion engine 1 and savings electric power in vehicle
Pond 9.The battery 9 can use the electric power sent by generator 8 to be charged.
Power generation control 10 is connected when internal combustion engine 1 and generator 8 are with slowing down.
Power generation control 10 possesses the control unit (ECM) 11 of control internal combustion engine 1 and generator 8 during the deceleration.
The control unit 11 is connected to the Fuelinjection nozzle 7 of internal combustion engine 1, generator 8 and output is additional forbids unit 12.
The output is additional to forbid unit 12 to forbid the output by internal combustion engine 1 to be additional to driving wheel.
The output is additional to forbid unit 12 to be not reaching in the depression amount of accelerator pedal at the condition of ormal weight or gear
In neutral position condition or be used as the transmission clutch for being used for transmitting the output of internal combustion engine 1 to speed changer 4 or driving wheel
The either condition that the above-mentioned clutch 3 of device is in the condition of released state works in the case of setting up.Here, being added using detection
The accelerator pedal sensor 13 of the depression amount of speed pedal detects the depression amount of accelerator pedal.Detected using position sensor 14
Gear.For example using the clutch 3 between detectable internal combustion engine 1 and speed changer 4 connection status clutch sensor 15
The released state of detection transmission clutch.
In addition, control unit 11 is connected to I. C. engine oil temperature detection unit 16, catalyst temperature detection unit 17, internal combustion engine
Rotation speed detection unit 18 and cell voltage detection unit 19.
I. C. engine oil temperature detection unit 16 detects internal combustion engine oil temperature.Sensed in addition, internal combustion engine oil temperature can be utilized with oil temperature
Device directly detects the operational situation (internal combustion engine 1 of the method for oil temperature or the cooling water temperature according to internal combustion engine 1 or internal combustion engine 1
Driving time etc.) estimate.
Catalyst temperature detection unit 17 detects catalyst temperature.In addition, catalyst temperature can be used by sensor etc.
Directly detect the method for the temperature of catalyst 5 or effluent air temp, fuel cut off state, sky based on internal combustion engine 1
Fire than etc. come the method that estimates.
Internal-combustion engine rotational speed detection unit 18 detects internal-combustion engine rotational speed, is sensed using the crankangle of the anglec of rotation of detection bent axle 2
Device.
Cell voltage detection unit 19 detects the cell voltage of battery 9.
Control unit 11 is also equipped with fuel injection amount control unit 20 and fuel cut-off control unit 21.
Fuel injection amount control unit 20 makes the work of Fuelinjection nozzle 7 control the fuel injection amount to internal combustion engine 1.
If the defined fuel cut condition in vehicle deceleration of fuel cut-off control unit 21 is set up, stop spraying from fuel
Penetrate the spray fuel of valve 7.
In addition, control unit 11 possess generated energy suppressing portion 22, generated energy suppress prohibition unit 23, generated energy increase portion 24 with
And generating prohibition unit 25.
Generated energy suppressing portion 22 suppresses the generated energy of generator 8.Generated energy suppresses prohibition unit 23 and forbids generated energy suppressing portion
22 action.Generated energy increase portion 24 makes the generated energy of generator 8 further increase, and generator 8 is carried out regenerative electric power.Generate electricity
Prohibition unit 25 forbids the generating of generator 8.
Also, control unit 11 output is additional forbid unit 12 to work and carry out fuel injection in the case of, by generating electricity
Amount suppresses the suppression that prohibition unit 23 forbids the generated energy of generator 8.
Work in addition, control unit 11 makes generated energy suppress prohibition unit 23 and generated energy increase portion 24 is worked.
Next, along Fig. 3 flow chart illustrate the deceleration involved by the embodiment when Generation Control.
If as shown in figure 3, the program of control unit 11 starts (step A01), each signal (step is inputted first
A02).Specifically, in step A02, internal combustion engine oil temperature, catalyst temperature is inputted, forbids unit 12 to have as output is additional
Depression amount, internal-combustion engine rotational speed of workless accelerator pedal etc..In addition, the additional work for forbidding unit 12 of output is stepped on according to acceleration
The depression amount of plate, gear judge for the connection status for the clutch 3 for transmitting the output of internal combustion engine 1 to speed changer.
Also, judge that generating suppression forbids whether condition is set up (step A03).Specifically, in step A03, according to
Whether the condition of following (1)~(4) all judges that the generating suppresses to forbid whether condition is set up into Rob Roy.
(1), internal combustion engine oil temperature >=regulation internal combustion engine oil temperature
Here, regulation internal combustion engine oil temperature refers to oil temperature when such as internal combustion engine 1 is in pre- Warm status.
(2), catalyst temperature >=regulation catalyst temperature
Here, regulation catalyst temperature refers to the temperature for being judged as that heat deterioration occurs for catalyst 5.
(3), accelerator pedal depression amount < provides depression amount
Here, regulation depression amount refers to the depression amount of the accelerator pedal for the increased degree of output for not making internal combustion engine 1.
In addition, the additional content for forbidding unit 12 to possess (3) of output.
It is determined as that internal combustion engine 1 is shifted to idle state into Rob Roy by any one in above-mentioned (1)~(3), in order to
Shifted to idle state and reduce fuel injection amount.
In addition, in the case that any one in following 2 conditions of the depression amount of substitution accelerator pedal is set up, can also
It is judged to shifting to idle state.
Whether condition 1 ... gear is in neutral gear
Whether condition 2 ... internal combustion engine 1 and speed changer 4 are connected by clutch 3
(4), internal-combustion engine rotational speed > rotating speed of target
Here, rotating speed of target refers to internal-combustion engine rotational speed when such as internal combustion engine 1 is in idle state.
In the case where above-mentioned steps A03 is "Yes", implementing to generate electricity suppresses forbidding (step A04) for control.Furthermore, it is possible to
The generated energy increasing unit of increasing electricity output is set, implements forbidding and to produce for generating suppression control in step A04
The mode of bigger voltage is generated electricity by generator 8.Thus, the deceleration for forbidding making vehicle of control is only being suppressed by generating electricity
In the case that degree is small, required sense of slowing down can be obtained.
Next, it is determined that start in above-mentioned steps A04 generating suppress control forbid whether from implement have passed through rule
Fix time (step A05).In step A05, make generating suppression control is to send out sometimes the reason for forbidding the lasting stipulated time
Hair tonic electricity suppresses the frequently switching for forbidding and forbidding releasing and (generating electricity and suppress the implementation of control) of control.It can suppress due to this
Frequently switching causes different sense of slowing down alternately to repeat and driver is not felt well, and can prevent by generating electricity
Suppress control forbid and forbid release frequently switch cause control vibration, and prevent from control unit 11 produce clickly
The switching sound of this switch of sound, is realized to the protection of of control unit 11 itself.
Whether in the case where step A05 is "No" and does not pass through the stipulated time, it is to set in advance to judge cell voltage
More than fixed assigned voltage (step A06).Here, above-mentioned assigned voltage refers to the protection value of the overcharge for preventing battery 9.
In the case where step A06 is "No", returned to above-mentioned steps A04.
In the case where step A06 is "Yes", stop the generating (step A07) carried out by generator 8.Thus, it can prevent
The only overcharge of battery 9.Now, while the suppression control that generates electricity is forbidden into releasing.
On the other hand, above-mentioned steps A03 be "No" in the case of, for generate electricity suppress control the condition can not forbid
It is vertical, therefore implement the suppression control (step A08) that generates electricity.
In the case where above-mentioned steps A05 is "Yes", after above-mentioned steps A07 processing or in above-mentioned steps A08
Processing after make program return (step A09).
Figure 2 illustrates the timing diagram of Generation Control when slowing down.
As shown in Fig. 2 under the acceleration mode of vehicle, if accelerator pedal sensor 13 closes, performs generated energy suppression
Output is carried out afterwards and adds the work (time t1) for forbidding unit 12, then vehicle turns into inertia traveling state, in this embodiment, interior
Combustion engine rotating speed turns into rotating speed of target (time t3) (being shown in the present invention with single dotted broken line) after being reduced with defined speed.At this
In the case of kind, in " generated energy suppresses (existing) " described in Fig. 2, accelerator pedal sensor 13 is closed and performs generated energy sometimes
Suppress, rotation convergence is improved by forbidding generated energy to suppress under conditions of rotation convergence deteriorates.
But, described in Fig. 2 " in existing 1 ", for guard catalyst 5 fuel cut-off control be prohibited when rotation
Turn situation with perform fuel cut-off control when compared to rotation restrain it is slower, therefore internal-combustion engine rotational speed reduction it is slack-off and even across
Above-mentioned time t3 will not also reach rotating speed of target (being shown in solid lines in existing 1).
In addition, described in Fig. 2 " in existing 2 ", according to perform fuel cut-off control when rotational case, internal-combustion engine rotational speed
Sharp decline and reach rotating speed of target (being shown in broken lines in existing 2) in the tight preceding time t2 of above-mentioned time t3.
Embodiments of the invention are explained above, above-described embodiment is applied into every invention below illustrates.
First, in the 1st invention, control unit 11 with forbid the output by internal combustion engine 1 be additional to driving wheel output it is attached
Plus forbid unit 12 to connect, and possess the generated energy suppressing portion 22 suppressed to the generated energy of generator 8 and forbid the hair
The generated energy of the action of electricity suppressing portion 22 suppresses prohibition unit 23, forbids unit 12 to work and carries out fuel injection output is additional
In the case of, the suppression that prohibition unit 23 forbids the generated energy of generator 8 is suppressed by generated energy.
Thus, output is additional forbid unit 12 to work and implement fuel injection in the case of, forbid the generating of generator 8
The suppression of amount, therefore internal-combustion engine rotational speed can be made to be restrained as early as possible to rotating speed of target.As a result, the defeated of internal combustion engine 1 can be reduced as early as possible
Go out, therefore the vehicle for obtaining sense of slowing down can be provided and the improvement of fuel efficiency can be realized.
In the 2nd invention, control unit 11 possesses the generated energy increase portion 24 for increasing the generated energy of generator 8, generates electricity
When amount suppression prohibition unit 23 is performed, generated energy increase portion 24, which is performed, increases the generated energy of generator 8.
Thus, increase the generated energy of generator 8, therefore can quickly reduce the output of internal combustion engine 1, and fuel can be realized
The improvement of efficiency.
In the 3rd invention, output is additional forbid unit 12 the depression amount of accelerator pedal be not reaching to ormal weight condition,
Or gear is in the condition of neutral position or as the output of internal combustion engine 1 to be transmitted to speed changer 4 or driving wheel
Transmission clutch clutch 3 be in released state condition in either condition set up in the case of work.
Thus, it can judge to make the defeated of internal combustion engine 1 to shift to idle state using multiple units of vehicle
Go out reduced state.
Industrial utilizability
Power generation control during deceleration involved in the present invention can be applied to various vehicles.
Claims (3)
1. power generation control during a kind of deceleration of vehicle, wherein, above-mentioned vehicle possesses:Generator, it utilizes the drive of internal combustion engine
Power is generated electricity;And control unit, it possesses the generated energy suppressing portion suppressed to the generated energy of above-mentioned generator, on
Power generation control is characterised by when stating the deceleration of vehicle, is possessed and is forbidden the output of above-mentioned internal combustion engine being additional to driving wheel
Output is additional to forbid unit, and the generated energy that above-mentioned control unit possesses the action for forbidding above-mentioned generated energy suppressing portion suppresses to forbid
Portion, above-mentioned output is additional forbid cell operation and carry out fuel injection in the case of, prohibition unit is suppressed by above-mentioned generated energy and prohibited
The only suppression of the generated energy of above-mentioned generator.
2. power generation control during deceleration according to claim 1, it is characterised in that
Above-mentioned control unit possesses the generated energy increase portion for increasing the generated energy of above-mentioned generator, and above-mentioned generated energy suppresses to forbid
When portion is performed, above-mentioned generated energy increase portion, which is performed, increases the generated energy of above-mentioned generator.
3. power generation control during deceleration according to claim 1 or claim 2, it is characterised in that
Above-mentioned output is additional to forbid unit to be in sky in the condition or gear that the depression amount of accelerator pedal is not reaching to ormal weight
The condition of file location or it is in for the transmission clutch for transmitting the output of above-mentioned internal combustion engine to speed changer or driving wheel
Either condition in the condition of released state works in the case of setting up.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013186887A JP2015055155A (en) | 2013-09-10 | 2013-09-10 | Power generation control device during deceleration |
JP2013-186887 | 2013-09-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104426443A CN104426443A (en) | 2015-03-18 |
CN104426443B true CN104426443B (en) | 2017-09-12 |
Family
ID=52478648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410455433.6A Expired - Fee Related CN104426443B (en) | 2013-09-10 | 2014-09-09 | Power generation control during deceleration |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2015055155A (en) |
CN (1) | CN104426443B (en) |
DE (1) | DE102014013102A1 (en) |
IN (1) | IN2014DE02501A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5405697B1 (en) * | 2012-03-19 | 2014-02-05 | 新電元工業株式会社 | Control circuit and power generation device including control circuit |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11107805A (en) * | 1997-09-30 | 1999-04-20 | Nissan Motor Co Ltd | Deceleration controller for vehicle |
JP2003244998A (en) * | 2002-02-18 | 2003-08-29 | Nissan Motor Co Ltd | Power generation control device for vehicle |
CN101326085A (en) * | 2005-12-16 | 2008-12-17 | 丰田自动车株式会社 | Hybrid automobile and its control method |
CN101356088A (en) * | 2006-01-13 | 2009-01-28 | 丰田自动车株式会社 | Hybrid vehicle and its control method |
CN102374048A (en) * | 2010-08-05 | 2012-03-14 | 通用汽车环球科技运作有限责任公司 | Method and control device for operating a combustion engine of a motor vehicle and motor vehicle |
CN103052780A (en) * | 2010-08-09 | 2013-04-17 | 丰田自动车株式会社 | Vehicle control system and vehicle control device |
-
2013
- 2013-09-10 JP JP2013186887A patent/JP2015055155A/en active Pending
-
2014
- 2014-09-02 IN IN2501DE2014 patent/IN2014DE02501A/en unknown
- 2014-09-03 DE DE201410013102 patent/DE102014013102A1/en active Pending
- 2014-09-09 CN CN201410455433.6A patent/CN104426443B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11107805A (en) * | 1997-09-30 | 1999-04-20 | Nissan Motor Co Ltd | Deceleration controller for vehicle |
JP2003244998A (en) * | 2002-02-18 | 2003-08-29 | Nissan Motor Co Ltd | Power generation control device for vehicle |
CN101326085A (en) * | 2005-12-16 | 2008-12-17 | 丰田自动车株式会社 | Hybrid automobile and its control method |
CN101356088A (en) * | 2006-01-13 | 2009-01-28 | 丰田自动车株式会社 | Hybrid vehicle and its control method |
CN102374048A (en) * | 2010-08-05 | 2012-03-14 | 通用汽车环球科技运作有限责任公司 | Method and control device for operating a combustion engine of a motor vehicle and motor vehicle |
CN103052780A (en) * | 2010-08-09 | 2013-04-17 | 丰田自动车株式会社 | Vehicle control system and vehicle control device |
Also Published As
Publication number | Publication date |
---|---|
CN104426443A (en) | 2015-03-18 |
IN2014DE02501A (en) | 2015-06-26 |
DE102014013102A1 (en) | 2015-03-12 |
JP2015055155A (en) | 2015-03-23 |
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