CN104426443A - Power Generation Control Device At Speed Reduction - Google Patents
Power Generation Control Device At Speed Reduction Download PDFInfo
- Publication number
- CN104426443A CN104426443A CN201410455433.6A CN201410455433A CN104426443A CN 104426443 A CN104426443 A CN 104426443A CN 201410455433 A CN201410455433 A CN 201410455433A CN 104426443 A CN104426443 A CN 104426443A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- energy output
- output
- generator
- combustion engine
- 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.)
- Granted
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
In a power generation control device at speed reduction, a speed reduction feeling is obtained by a generator when the speed of a vehicle is reduced. A control unit (11) is connected with an output addition forbidding unit (12) of forbidding adding the output of an internal combustion engine (1) to a driving wheel, and possesses an electric energy production restraining part (22) for restraining the electric energy production of the generator (8) and an electric energy production restraining forbidding part (23) of forbidding the action of the electric energy production restraining part (22). On the condition that the output addition forbidding unit (12) works and the fuels are sprayed, the electric energy production restraining forbidding part (23) forbids the restraining of the electric energy production of the generator (8).
Description
Technical field
Power generation control when the present invention relates to deceleration, power generation control when particularly relating to the deceleration of the vehicle possessing the generator utilizing the actuating force of internal combustion engine to generate electricity.
Background technology
Usually as the generator being equipped on vehicle, knownly the rotation of I. C. engine crankshaft is utilized to carry out the generator generated electricity.
Control device as this generator such as has following prior art document.
prior art document
patent documentation
Patent documentation 1: patent No. 3797242 publication
The power generation control of the vehicle involved by patent documentation 1 is at engine brake during fuel shutoff, the generating voltage improving generator carries out forced charge to battery, after this forced charge terminates, reduce the generating voltage of generator by the stipulated time corresponding to the charge volume in forced charge and do not generate electricity.
Summary of the invention
the problem that invention will solve
But, when vehicle deceleration, sometimes forbid fuel cut-off.Particularly, when the temperature that the Exhaust Gas of combustion motor carries out the catalyst purified uprises, in order to cooled catalyst, sometimes forbid when vehicle deceleration that fuel cut-off sprays to proceed fuel.In this case, during relative to fuel cut-off, the tendency that the output that there is internal combustion engine not easily reduces.On the other hand, about the generating voltage of generator, the generating voltage of generator is caused to increase and decrease according to discharge and recharge situation of the SOC (charged state) of battery or voltage, battery etc. sometimes.If suppression generating voltage, then reduce the load that the internal combustion engine of generator applies, the speed that therefore internal-combustion engine rotational speed reduces diminishes.Therefore, the deceleration sense that cannot obtain vehicle or the problem causing fuel efficiency to worsen is had.
Therefore, the object of the present invention is to provide power generation control when utilizing generator to make to obtain during vehicle deceleration slowing down the deceleration felt when vehicle deceleration.
for the scheme of dealing with problems
Power generation control when the present invention is a kind of deceleration of vehicle, wherein, above-mentioned vehicle possesses: generator, and it utilizes the actuating force of internal combustion engine to generate electricity; And control unit, it possesses the energy output suppressing portion suppressed the energy output of above-mentioned generator, during above-mentioned vehicle deceleration, the feature of power generation control is, possess that the output forbidding the output of above-mentioned internal combustion engine being additional to driving wheel is additional forbids unit, the energy output that above-mentioned control unit possesses the action forbidding above-mentioned energy output suppressing portion suppresses prohibition unit, when above-mentioned output add forbid cell operation and carry out fuel injection, suppress prohibition unit to forbid the suppression of the energy output of above-mentioned generator by above-mentioned energy output.
invention effect
The present invention utilizes generator to make to obtain sense of slowing down during vehicle deceleration when vehicle deceleration.
Accompanying drawing explanation
The System's composition figure of power generation control when Fig. 1 is deceleration.(embodiment)
The sequential chart of Generation Control when Fig. 2 is deceleration.(embodiment)
The flow chart of Generation Control when Fig. 3 is deceleration.(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 forbids unit
13 accelerator pedal sensor
14 position transducers
15 clutch sensors
16 I. C. engine oil temperature detecting units
17 catalyst temperature detecting units
18 internal-combustion engine rotational speed detecting units
19 cell voltage detection unit
20 fuel injection amount control parts
21 fuel cut-off control parts
22 energy output suppressing portions
23 energy output suppress prohibition unit
24 energy output increase portions
25 generating prohibition units
Embodiment
The present invention when export additional forbid cell operation and implement fuel spray, forbid that the suppression of generator power output realizes utilizing when vehicle deceleration generator to make to obtain during vehicle deceleration to slow down the object of sense.
embodiment
Fig. 1 ~ Fig. 3 illustrates embodiments of the invention.
As shown in Figure 1, in vehicle, be equipped with the internal combustion engine 1 produced to the actuating force of driving wheel.This internal combustion engine 1 possesses bent axle 2, and this bent axle 2 links speed changer 4 via as the clutch 3 transmitting clutch.In addition, internal combustion engine 1 links the blast pipe 6 possessing catalyst 5.Internal combustion engine 1 is provided with Fuelinjection nozzle 7.
In addition, in vehicle, be equipped with the battery 9 of the generator 8 utilizing the actuating force of internal combustion engine 1 to carry out generating electricity and savings electric power.This battery 9 can use the electric power sent by generator 8 to charge.
Internal combustion engine 1 is connected with power generation control 10 during deceleration with generator 8.
During this deceleration, power generation control 10 possesses the control unit (ECM) 11 of controlling combustion engine 1 and generator 8.
This control unit 11 is connected to the Fuelinjection nozzle 7 of internal combustion engine 1, generator 8 and exports additionally forbids unit 12.This output adds forbids that unit 12 forbids the output of internal combustion engine 1 to be additional to driving wheel.
This output adds forbids that unit 12 does not reach the condition of ormal weight or gear in the depression amount of accelerator pedal and is in the condition of neutral position or works as the output of internal combustion engine 1 being set up to the above-mentioned clutch 3 arbitrary condition be in the condition of released state of the transmission clutch of speed changer 4 or driving wheel transmission.At this, the accelerator pedal sensor 13 of the depression amount detecting accelerator pedal is used to detect the depression amount of accelerator pedal.Use location transducer 14 detects gear.The clutch sensor 15 of the connection status of the clutch 3 that can detect between internal combustion engine 1 and speed changer 4 is such as used to detect the released state transmitting clutch.
In addition, control unit 11 is connected to I. C. engine oil temperature detecting unit 16, catalyst temperature detecting unit 17, internal-combustion engine rotational speed detecting unit 18 and cell voltage detection unit 19.
I. C. engine oil temperature detecting unit 16 detects internal combustion engine oil temperature.In addition, internal combustion engine oil temperature can utilize the operational situation (driving time etc. of internal combustion engine 1) of the method by oil temperature sensor direct-detection oil temperature or the cooling water temperature according to internal combustion engine 1 or internal combustion engine 1 to estimate.
Catalyst temperature detecting unit 17 detects catalyst temperature.In addition, catalyst temperature can use the method by the temperature of sensor direct-detection catalyst 5, also can be the method estimated based on the effluent air temp, fuel cut off state, air-fuel ratio etc. of internal combustion engine 1.
Internal-combustion engine rotational speed detecting unit 18 detects internal-combustion engine rotational speed, uses the crank angle sensor of the anglec of rotation detecting bent axle 2.
Cell voltage detection unit 19 detects the cell voltage of battery 9.
Control unit 11 also possesses fuel injection amount control part 20 and fuel cut-off control part 21.
Fuel injection amount control part 20 makes Fuelinjection nozzle 7 work and controls the fuel injection amount of internal combustion engine 1.
If the fuel cut condition that fuel cut-off control part 21 specifies when vehicle deceleration is set up, then stop from Fuelinjection nozzle 7 burner oil.
In addition, control unit 11 possesses energy output suppressing portion 22, energy output suppression prohibition unit 23, energy output increase portion 24 and generating prohibition unit 25.
Energy output suppressing portion 22 suppresses the energy output of generator 8.Energy output suppresses prohibition unit 23 to forbid the action of energy output suppressing portion 22.Energy output increase portion 24 makes the energy output of generator 8 increase further, makes generator 8 carry out regenerative electric power.Generating prohibition unit 25 forbids the generating of generator 8.
Further, control unit 11 when export additional forbid that unit 12 works and carries out fuel injection, suppress prohibition unit 23 to forbid the suppression of the energy output of generator 8 by energy output.
In addition, control unit 11 makes energy output suppress prohibition unit 23 work and energy output increase portion 24 is worked.
Next, Generation Control when illustrating involved by this embodiment deceleration along the flow chart of Fig. 3.
As shown in Figure 3, if the program of control unit 11 starts (steps A 01), then first input each signal (steps A 02).Particularly, in this steps A 02, input internal combustion engine oil temperature, catalyst temperature, forbid that unit 12 has the depression amount, internal-combustion engine rotational speed etc. of workless accelerator pedal as output is additional.In addition, export and additional forbid that the work of unit 12 is according to the depression amount of accelerator pedal, gear or for the connection status of the output of internal combustion engine 1 to the clutch 3 of speed changer transmission being judged.
Further, judge that generating suppresses disable condition whether to be set up (steps A 03).Particularly, in this steps A 03, Rob Roy whether is all become to judge that this generating suppresses disable condition whether to be set up according to the condition of following (1) ~ (4).
(1), internal combustion engine oil temperature >=regulation internal combustion engine oil temperature
At this, oil temperature when regulation internal combustion engine oil temperature refers to that such as internal combustion engine 1 is in preheat mode.
(2), catalyst temperature >=regulation catalyst temperature
At this, regulation catalyst temperature refers to and is judged as that the temperature of heat deterioration occurs catalyst 5.
(3), accelerator pedal depression amount < specifies depression amount
At this, regulation depression amount refers to the depression amount of the accelerator pedal of the degree not making the output of internal combustion engine 1 increase.
In addition, output is additional forbids that unit 12 possesses the content of these (3).
Internal combustion engine 1 is to idle state transfer, in order to reduce fuel injection amount to idle state transfer to become Rob Roy to be judged to be by any one in above-mentioned (1) ~ (3).
In addition, when replace accelerator pedal depression amount following 2 conditions in any one set up, also can be judged to shift to idle state.
Condition 1 ... whether gear is at neutral gear
Condition 2 ... whether internal combustion engine 1 is connected by clutch 3 with speed changer 4
(4), internal-combustion engine rotational speed > rotating speed of target
At this, internal-combustion engine rotational speed when rotating speed of target refers to that such as internal combustion engine 1 is in idle state.
When above-mentioned steps A03 is "Yes", implement forbidding (steps A 04) of generating inhibitory control.In addition, the energy output that can arrange increasing electricity output increases unit, in this steps A 04, implement forbidding and being generated electricity by generator 8 in the mode producing larger voltage of generating inhibitory control.Thus, when by means of only generating inhibitory control forbid making the degree of deceleration of vehicle little, required deceleration sense can be obtained.
Then, the generating inhibitory control judging to start in above-mentioned steps A04 forbid whether from enforcement, have passed through the stipulated time (steps A 05).In this steps A 05, the reason of lasting stipulated time of forbidding of generating inhibitory control is made to be that the switching frequently forbidding and forbid removing (enforcement of the inhibitory control that namely generates electricity) of generating inhibitory control occurs sometimes.Can suppress to cause different deceleration senses alternately to repeat because this switches frequently and driver is felt under the weather; and can prevent to forbid and forbid that the control that causes of switching frequently removed is vibrated by generating inhibitory control; and prevent the switching sound producing clickly this switch of sound from control unit 11, realize the protection to control unit 11 itself.
When this steps A 05 be "No" and not through the stipulated time, judge whether cell voltage is more than the assigned voltage preset (steps A 06).At this, afore mentioned rules voltage refers to the protection value of the overcharge for preventing battery 9.
When this steps A 06 is "No", return to above-mentioned steps A 04.
When this steps A 06 is "Yes", stop the generating (steps A 07) undertaken by generator 8.Thus, the overcharge of battery 9 can be prevented.Now, simultaneously by generating inhibitory control forbid remove.
On the other hand, when above-mentioned steps A03 is "No", the condition of forbidding for the inhibitory control that generates electricity is false, and therefore implements generating inhibitory control (steps A 08).
When above-mentioned steps A05 is "Yes", after the process of above-mentioned steps A07 or after the process of above-mentioned steps A08, program is made to return (steps A 09).
The sequential chart of Generation Control during deceleration shown in Figure 2.
As shown in Figure 2, under the acceleration mode of vehicle, if accelerator pedal sensor 13 is closed, perform the work (time t1) that energy output suppresses laggard line output to be added to forbid unit 12, then vehicle becomes inertia traveling state, in this embodiment, internal-combustion engine rotational speed becomes rotating speed of target (time t3) (illustrating with single dotted broken line in the present invention) after reducing with the speed of regulation.In this case, in " energy output suppresses (existing) " described in Fig. 2, accelerator pedal sensor 13 is closed and is performed energy output and suppresses sometimes, by forbidding that energy output suppresses to improve rotation convergence under the condition rotating convergence deterioration.
But; in " existing 1 " described in Fig. 2; control rotational case when being prohibited and perform fuel cut-off to control phase than rotating and restrain comparatively slowly at fuel cut-off in order to guard catalyst 5, even if therefore the reduction of internal-combustion engine rotational speed is slack-off and also can not arrive rotating speed of target (illustrating with solid line in existing 1) through above-mentioned time t3.
In addition, in " existing 2 " described in Fig. 2, according to the rotational case performed when fuel cut-off controls, internal-combustion engine rotational speed declines sharp and time t2 before above-mentioned time t3 is tight reaches rotating speed of target (being shown in broken lines in existing 2).
Be explained above embodiments of the invention, below above-described embodiment be applied to every invention and be described.
First, in the 1st invention, with the output forbidding the output of internal combustion engine 1 to be additional to driving wheel is additional, control unit 11 forbids that unit 12 is connected, and the energy output suppressing portion 22 possessed the energy output of generator 8 suppresses suppresses prohibition unit 23 with the energy output of the action forbidding this energy output suppressing portion 22, when export additional forbid that unit 12 works and carries out fuel injection, suppress prohibition unit 23 to forbid the suppression of the energy output of generator 8 by energy output.
Thus, when export additional forbid unit 12 work and implement fuel spray, forbid the suppression of the energy output of generator 8, internal-combustion engine rotational speed therefore can be made to restrain to rotating speed of target as early as possible.Consequently, the output of internal combustion engine 1 can be reduced as early as possible, therefore the vehicle and the improvement that can realize fuel efficiency that obtaining deceleration sense can be provided.
In the 2nd invention, control unit 11 possesses the energy output increase portion 24 that the energy output of generator 8 is increased, and when energy output suppresses prohibition unit 23 to be performed, energy output increase portion 24 performs and the energy output of generator 8 is increased.
Thus, increase the energy output of generator 8, therefore can reduce the output of internal combustion engine 1 quickly, and the improvement of fuel efficiency can be realized.
In the 3rd invention, export and additional forbid that unit 12 does not reach the condition of ormal weight or gear in the depression amount of accelerator pedal and is in the condition of neutral position or works as when arbitrary condition establishment for the output of internal combustion engine 1 being in the clutch 3 of the transmission clutch of speed changer 4 or driving wheel transmission in the condition of released state.
Thus, multiple unit of vehicle can be utilized to judge to make to idle state transfer the state that the output of internal combustion engine 1 reduces.
industrial utilizability
Power generation control during deceleration involved in the present invention can be applied to various vehicle.
Claims (3)
1. the power generation control during deceleration of vehicle, wherein, above-mentioned vehicle possesses: generator, and it utilizes the actuating force of internal combustion engine to generate electricity; And control unit, it possesses the energy output suppressing portion suppressed the energy output of above-mentioned generator, during the deceleration of above-mentioned vehicle, the feature of power generation control is, possess that the output forbidding the output of above-mentioned internal combustion engine being additional to driving wheel is additional forbids unit, the energy output that above-mentioned control unit possesses the action forbidding above-mentioned energy output suppressing portion suppresses prohibition unit, when above-mentioned output add forbid cell operation and carry out fuel injection, suppress prohibition unit to forbid the suppression of the energy output of above-mentioned generator by above-mentioned energy output.
2. power generation control during deceleration according to claim 1, is characterized in that,
Above-mentioned control unit possesses the energy output increase portion that the energy output of above-mentioned generator is increased, and when above-mentioned energy output suppresses prohibition unit to be performed, above-mentioned energy output increase portion performs and the energy output of above-mentioned generator is increased.
3., according to power generation control during deceleration according to claim 1 or claim 2, it is characterized in that,
Above-mentioned output add forbid unit when the depression amount of accelerator pedal do not reach the condition of ormal weight or gear be in neutral position condition or for the output of above-mentioned internal combustion engine is set up to the transmission clutch arbitrary condition be in the condition of released state of speed changer or driving wheel transmission work.
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 true CN104426443A (en) | 2015-03-18 |
| CN104426443B 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 |
|---|---|
| IN2014DE02501A (en) | 2015-06-26 |
| DE102014013102A1 (en) | 2015-03-12 |
| CN104426443B (en) | 2017-09-12 |
| JP2015055155A (en) | 2015-03-23 |
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