CN106696946A - Hybrid vehicle as well as control system and control method for hybrid vehicle - Google Patents
Hybrid vehicle as well as control system and control method for hybrid vehicle Download PDFInfo
- Publication number
- CN106696946A CN106696946A CN201510444046.7A CN201510444046A CN106696946A CN 106696946 A CN106696946 A CN 106696946A CN 201510444046 A CN201510444046 A CN 201510444046A CN 106696946 A CN106696946 A CN 106696946A
- Authority
- CN
- China
- Prior art keywords
- engine
- hybrid vehicle
- fuel
- oxygen content
- control
- 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
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention provides a hybrid vehicle as well as a control system and a control method for the hybrid vehicle. The control system comprises an oxygen signal collecting module, a rotation speed collecting module, a gear control module and a control module, wherein the oxygen signal collecting module is used for collecting the oxygen content of exhaust emission of an engine; the rotation speed collecting module is used for collecting current rotation speed of the engine; the gear control module is used for controlling gear connection of the engine; and the control module is used for judging whether the engine is in a fuel-free state or not according to the oxygen content and the current rotation speed and transmitting a control instruction for cutting off the gear connection when the engine is in the fuel-free state. According to the control system provided by the embodiment of the invention, whether the hybrid vehicle is in the fuel-free state in the running process or not can be accurately judged, the engine can be protected against being reversely dragged, damage to the engine can be avoided and the energy of a power battery can be prevented from being consumed because the engine becomes the load. In addition, a fuel pump is closed in time and the engine is forbidden to be started when the engine is judged to be in the fuel-free state; therefore, the fuel pump and the engine can be further protected against being damaged.
Description
Technical field
The present invention relates to field of automobile, more particularly to a kind of hybrid vehicle and the control system for it and control
Method processed.
Background technology
In the engine operation process of fuel-engined vehicle, oil pump typically keeps continual work to ensure the oil in fuel system
Pressure, but when trapped fuel is very little or during empty, if during oil pump continuous firing, the radiating due to fuel oil to oil pump is reduced,
The service life of oil pump is greatly shortened, fuel pump can be possibly even burnt.
At present, the signal of fuel level sensor in oil pump can be received by car body controller, the signal according to fuel level sensor is sentenced
Whether disconnected fuel oil is very few or exhausts, the car body controller control cut-out of fuel pump when fuel oil is very few or exhausts, and works as
Engine can also be stopped during empty.
However, aforesaid way is only to be applied to fuel-engined vehicle, and to hybrid vehicle and do not apply to.Fuel-engined vehicle is in nothing
Engine can voluntarily be stopped during fuel delivery, so that oil pump is closed, and also there is it when without fuel oil in hybrid vehicle
Its power causes that anti-haul turns engine, and oil pump also keeps work.Therefore, engine can be caused to turn into load and consumed energy,
Engine is dragged by counter for a long time, can shorten the life-span, and oil pump can continue to keep working condition in being particularly due to engine operation process,
Now oil pump is caused to be burnt because of poor heat radiation without fuel oil again.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the invention is to propose a kind of control system of hybrid vehicle, the control system can
To judge whether hybrid vehicle is in without fuel states in the process of moving, with accuracy very high, and protect
Hair care motivation is not dragged by counter, it is to avoid infringement to engine, is moved while avoiding and consume because engine turns into load
The energy of power battery.
Second object of the present invention is to propose a kind of control method of hybrid vehicle.
Third object of the present invention is to propose a kind of hybrid vehicle.
It is that, up to above-mentioned purpose, first aspect present invention embodiment proposes a kind of control system of hybrid vehicle, wherein,
The control system includes：Oxygen signal acquisition module, the oxygen content for gathering engine exhaust；Rotating speed acquisition module,
Current rotating speed for gathering the engine；Gear control module, the gear for controlling the engine is connected；
And control module, for judging whether the engine is in without fuel oil according to the oxygen content and the current rotating speed
State, and when judging that the engine is in without fuel states, send the control instruction of the cut-out gear connection.
The control system of the embodiment of the present invention, oxygen content in engine exhaust is sentenced as judging whether engine is dry
Disconnected foundation, it can be determined that go out whether hybrid vehicle is in without fuel states in the process of moving, with standard very high
True property, and cut-out in time is connected with the gear of engine when judging that engine is in without fuel states, so as to protect hair
Motivation is not dragged by counter, it is to avoid infringement to engine, while avoid consuming power electric because engine turns into load
The energy in pond.
It is that, up to above-mentioned purpose, second aspect present invention embodiment proposes a kind of control method of hybrid vehicle, including with
Lower step：The oxygen content of engine exhaust is gathered, and gathers the current rotating speed of the engine；And according to described oxygen-containing
Amount and the current rotating speed judge whether the engine is in without fuel states, and are judging the engine in nothing
During fuel states, the control instruction of the cut-out gear connection is sent.
The control method of the embodiment of the present invention, oxygen content in engine exhaust is sentenced as judging whether engine is dry
Disconnected foundation, it can be determined that go out whether hybrid vehicle is in without fuel states in the process of moving, with standard very high
True property, and cut-out in time is connected with the gear of engine when judging that engine is in without fuel states, so as to protect hair
Motivation is not dragged by counter, it is to avoid infringement to engine, while avoid consuming power electric because engine turns into load
The energy in pond.
It is that, up to above-mentioned purpose, the 3rd face embodiment of the invention proposes a kind of hybrid vehicle, is provided with first party of the present invention
The control system of the hybrid vehicle described in the embodiment of face.
The hybrid vehicle of the embodiment of the present invention, using oxygen content in engine exhaust as whether judging engine without fuel oil
Basis for estimation, it can be determined that go out hybrid vehicle in the process of moving whether be in without fuel states, with very high
Accuracy, and judge engine be in without fuel states when in time cut-out be connected with the gear of engine, so as to protect
Hair care motivation is not dragged by counter, it is to avoid infringement to engine, is moved while avoiding and consume because engine turns into load
The energy of power battery.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will from the following description become bright
It is aobvious, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will be apparent from the following description of the accompanying drawings of embodiments
Be readily appreciated that, wherein：
Fig. 1 is the structural representation of the control system of the hybrid vehicle of one embodiment of the invention；
Fig. 2 is a structural representation for the control system of the hybrid vehicle of specific embodiment of the invention；
Fig. 3 is the flow chart without fuel oil recognition methods according to embodiments of the present invention；
Fig. 4 is the flow chart of the control method of the hybrid vehicle of one embodiment of the invention；And
Fig. 5 is a flow chart for the control method of the hybrid vehicle of specific embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Additionally, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes one
Or more for the module of code of executable instruction the step of realizing specific logical function or process, fragment or part,
And the scope of the preferred embodiment of the present invention includes other realization, wherein order that is shown or discussing can not be pressed,
Including the function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Fig. 1 is the structural representation of the control system of the hybrid vehicle of one embodiment of the invention.
As shown in figure 1, the control system of hybrid vehicle includes：Oxygen signal acquisition module 100, rotating speed acquisition module
200th, gear control module 300 and control module 400.
Specifically, oxygen signal acquisition module 100 is used to gather the oxygen content of engine exhaust.Rotating speed acquisition module 200
Current rotating speed for gathering engine.Gear control module 300 is used to control the gear of engine to connect.Wherein,
Oxygen acquisition module 100 can use preceding lambda sensor or post oxygen sensor, it is preferable that use preceding lambda sensor.Tool
For body, the exhaust pipe of engine is connected with ternary catalyzing unit, and preceding lambda sensor is arranged on the front end of ternary catalyzing unit, and
Post oxygen sensor is arranged on the rear end of ternary catalyzing unit, and oxygen signal acquisition module 100 also includes heater, for oxygen
Sensor is heated.
The oxygen content and rotating speed that control module 400 is used for the engine exhaust gathered according to oxygen signal acquisition module 100 are adopted
Whether the current rotating speed for collecting the engine of module 200 judges engine in without fuel states, and is judging that engine is in
During without fuel states, the control instruction of cut-out gear connection is sent.Specifically, gathered using oxygen signal in the present invention
Whether the oxygen content signal of the collection of module 100 judges engine in the foundation without fuel states as control module 400,
Oxygen signal acquisition module 100 can realize that existing lambda sensor is arranged engine using existing lambda sensor technology
The detection of the oxygen content in gas is very accurate.Belong to the end-state of fuel oil burning due to engine exhaust, judge
Result can not be influenceed by the working condition of fuel oil supply system and oil burning system completely, for example, fuel tank does not have
There are fuel oil, oil pump fault, oil path failure, oil spout ignition failure etc..That is, when engine is in without fuel oil combustion
When burning state or burning abnormal state of affairs, the oxygen content in exhaust is inevitable basically identical with oxygen content in air,
Therefore, judged result has accuracy very high.
In one embodiment of the invention, to judge whether the oxygen content of engine exhaust reaches default for control module 400
Threshold value, and when the oxygen content of engine exhaust reaches the first predetermined threshold value, determine whether the oxygen-containing of engine exhaust
Whether the duration that amount reaches the first predetermined threshold value reaches the second predetermined threshold value, and it is default to reach second in the duration
During threshold value, judge that engine is in without fuel states.Specifically, if control module 400 detects engine row
The oxygen content of gas has reached oxygen-enriched state and continue for the regular hour in the case where oxygen-enriched state is reached, then control module 400
Judge that engine is in without fuel states.Wherein, oxygen-enriched state refers to oxygen content in engine exhaust close to air
In oxygen content, that is to say, that when engine be in without fuel states when its tail gas discharged oxygen content will connect
The oxygen content in air is bordering on, therefore, it can be disposed proximate to the first predetermined threshold value the numerical value of oxygen content in air.
Second predetermined threshold value can be demarcation in control system.
And then, control module 400 sends when judging that engine is in without fuel states to gear control module 300
The control instruction of cut-out gear connection, gear control module 300 is according to the control instruction cut-out and engine for receiving
Gear is connected so that engine stop is operated.
The control system of the hybrid vehicle of the embodiment of the present invention, using oxygen content in engine exhaust as judging engine
Whether dry basis for estimation, it can be determined that go out hybrid vehicle in the process of moving whether be in without fuel states,
With accuracy very high, and cut-out in time is connected with the gear of engine when judging that engine is in without fuel states,
So as to protecting engine not dragged by counter, it is to avoid the infringement to engine, while avoiding because engine turns into load
Consume the energy of electrokinetic cell.
Fig. 2 is a structural representation for the control system of the hybrid vehicle of specific embodiment of the invention.
As shown in Fig. 2 the control system of hybrid vehicle includes：Oxygen signal acquisition module 100, rotating speed acquisition module
200th, gear control module 300, control module 400, oil pump control module 500 and engine control module 600.
Specifically, oil pump control module 500 is stopped for control oil pump.Wherein, control module 400 is additionally operable to
When judging that engine is in without fuel states, the control instruction that control oil pump is stopped is sent.Specifically, control
Molding block 400 sends control oil pump and stops when judging that engine is in without fuel states, also to oil pump control module 500
The control instruction for only working, oil pump control module 500 is according to the control instruction cut-out oil pump for receiving and the company of engine
Connect, and control to close oil pump.Thus, it is possible to further protection oil pump will not be compromised under without fuel states.
Engine control module 600 is used to, when judging that engine is in without fuel states, forbid engine start.Tool
For body, in order to avoid driver's repeated attempt startup engine or vehicle automatically attempt to start engine, in control mould
After block 400 judges that engine is in without fuel states, whole power-up cycle is maintained, and forbid engine start,
Driver is fully powered-off to hybrid vehicle re-power again after, the state for forbidding engine start could be released.
Thus, it is possible to further protection engine will not be compromised.
The control system of the hybrid vehicle of the embodiment of the present invention, closes in time when judging that engine is in without fuel states
Close oil pump and forbid engine start, be not compromised such that it is able to further protection oil pump and engine.
In one embodiment of the invention, control module 400 is additionally operable to be connected according to the current rotating speed and gear of engine
Connect and judge that engine is in driving in shelves operating condition.Specifically, judge whether engine is located in control module 400
, it is necessary to judge whether the current state of hybrid vehicle meets some requirements before without fuel states.For example,
It is default that the current rotating speed of the engine gathered according to rotating speed acquisition module 200 judges whether the current rotating speed of engine reaches
Value, and according to the current gear obtained from gear control module 300 judge hybrid vehicle current gear whether
It is not in neutral.That is, exceeding in the state of shelves and the current rotating speed of engine when hybrid vehicle is in
During preset value, judge that engine is in driving in shelves operating condition, and be not in idling mode.Work as control module
When 400 judgements meet above-mentioned condition, whether engine is just carried out in the judgement without fuel states.
Additionally, in one embodiment of the invention, judging whether engine is in without fuel oil shape in control module 400
Before state, in addition it is also necessary to first judge whether that oil spout demand, i.e. engine oil spout are delivered and be not zero, engine is not at
The state of active oil-break.Furthermore, control module 400 also needs to judge to be sensed as the oxygen of oxygen signal acquisition module 100
Whether device and heater work are normal, that is, judge that lambda sensor and heater do not exist failure.
Furthermore, Fig. 3 is the flow chart without fuel oil recognition methods according to embodiments of the present invention, as shown in figure 3,
When control module 400 judges that the current state of hybrid vehicle meets above three condition, then carry out oxygen voltage and sentence
Whether disconnected (oxygen voltage is the voltage output that lambda sensor reacts oxygen content), i.e., judge engine exhaust according to oxygen voltage
In oxygen-enriched state and lasting regular hour, if engine exhaust is in oxygen-enriched state and continues the regular hour
Judge that engine is in without fuel states, otherwise judge that engine is in non-without fuel states.Then, control module 400
Corresponding operation is performed, that is, cut off gear connection, closed oil pump and forbid engine start.
In order to realize above-described embodiment, the present invention also proposes a kind of control method of hybrid vehicle.
Fig. 4 is the flow chart of the control method of the hybrid vehicle of one embodiment of the invention.
As shown in figure 4, the control method of hybrid vehicle includes：
S401, gathers the oxygen content of engine exhaust, and gathers the current rotating speed of engine.
S402, judges that whether engine is in without fuel states, and judging at engine according to oxygen content and current rotating speed
When without fuel states, the control instruction of cut-out gear connection is sent.
In one embodiment of the invention, judge whether the oxygen content of the engine exhaust reaches predetermined threshold value, and
When the oxygen content of the engine exhaust reaches the first predetermined threshold value, the oxygen-containing of the engine exhaust is determined whether
Whether the duration that amount reaches the first predetermined threshold value reaches the second predetermined threshold value, and reaches institute in the duration
When stating the second predetermined threshold value, judge that the engine is in without fuel states.Specifically, if detecting engine
The oxygen content of exhaust has reached oxygen-enriched state and continue for the regular hour, then judging engine in the case where oxygen-enriched state is reached
In without fuel states.Wherein, oxygen-enriched state refer to oxygen content in engine exhaust close to the oxygen content in air,
That is, the oxygen content of its tail gas discharged can be closer in air when engine is in without fuel states
Oxygen content, therefore, it can be disposed proximate to the first predetermined threshold value the numerical value of oxygen content in air.Second predetermined threshold value
It can be demarcation in control system.
And then, when judging that engine is in without fuel states, the control instruction of cut-out gear connection is sent, to cut off
It is connected with the gear of engine so that engine stop is operated.
The control method of the hybrid vehicle of the embodiment of the present invention, using oxygen content in engine exhaust as judging engine
Whether dry basis for estimation, it can be determined that go out hybrid vehicle in the process of moving whether be in without fuel states,
With accuracy very high, and cut-out in time is connected with the gear of engine when judging that engine is in without fuel states,
So as to protecting engine not dragged by counter, it is to avoid the infringement to engine, while avoiding because engine turns into load
Consume the energy of electrokinetic cell.
Fig. 5 is a flow chart for the control method of the hybrid vehicle of specific embodiment of the invention.
As shown in figure 5, the control method of hybrid vehicle includes：
S501, gathers the oxygen content of engine exhaust, and gathers the current rotating speed of engine.
S502, judges that whether engine is in without fuel states, and judging at engine according to oxygen content and current rotating speed
When without fuel states, the control instruction of cut-out gear connection is sent.
In one embodiment of the invention, judge whether the oxygen content of the engine exhaust reaches predetermined threshold value, and
When the oxygen content of the engine exhaust reaches the first predetermined threshold value, the oxygen-containing of the engine exhaust is determined whether
Whether the duration that amount reaches the first predetermined threshold value reaches the second predetermined threshold value, and reaches institute in the duration
When stating the second predetermined threshold value, judge that the engine is in without fuel states.
S503, sends the control instruction that control oil pump is stopped.
Specifically, when judging that engine is in without fuel states, the control instruction that control oil pump is stopped is sent,
To cut off the connection of oil pump and engine, and close oil pump.Thus, it is possible to further protection oil pump is without fuel states
Under will not be compromised.
S504, forbids engine start.
Specifically, in order to avoid driver's repeated attempt starts engine or vehicle automatically attempts to start engine,
After judging that engine is in without fuel states, whole power-up cycle is maintained, and forbid engine start, in driver
It is fully powered-off to hybrid vehicle re-power again after, the state for forbidding engine start could be released.Thus,
Engine can further be protected will not be compromised.
The control method of the hybrid vehicle of the embodiment of the present invention, closes in time when judging that engine is in without fuel states
Close oil pump and forbid engine start, be not compromised such that it is able to further protection oil pump and engine.
In one embodiment of the invention, judge whether the engine is located according to the oxygen content and the current rotating speed
Before without fuel states, current rotating speed and gear connection judgment engine always according to engine are in driving in shelves fortune
Turn state.Specifically, judge engine whether be in without fuel states before, it is necessary to judge hybrid vehicle
Current state whether meet some requirements.For example, the current rotating speed according to engine judge engine work as forward
Whether speed reaches preset value, and judges whether the current gear of hybrid vehicle is not in sky according to current gear
Gear.That is, when hybrid vehicle exceedes preset value in the state and the current rotating speed of engine in shelves,
Judge that engine is in driving in shelves operating condition, and be not in idling mode.When judging to meet above-mentioned condition,
Whether engine is just carried out in the judgement without fuel states.
Additionally, in one embodiment of the invention, before judging whether engine is in without fuel states, also needing
First to judge whether that oil spout demand, i.e. engine oil spout are delivered to be not zero, engine is not at the shape of active oil-break
State.Furthermore, control module 400 also needs to judge as the lambda sensor and heater work of oxygen signal acquisition module 100
Whether normal make, that is, judge that lambda sensor and heater do not exist failure.
Furthermore, Fig. 3 is the flow chart without fuel oil recognition methods according to embodiments of the present invention, as shown in figure 3,
When the current state for judging hybrid vehicle meets above three condition, then (oxygen voltage is to carry out the judgement of oxygen voltage
Lambda sensor reacts the voltage output of oxygen content), i.e., judge engine exhaust whether in oxygen-enriched state according to oxygen voltage
And continue the regular hour, judge at engine if engine exhaust is in oxygen-enriched state and continues the regular hour
In without fuel states, otherwise judge engine be in it is non-without fuel states.Then, corresponding operation is performed, that is, is cut off
Gear connects, closes oil pump and forbid engine start.
In order to realize above-described embodiment, the present invention also proposes a kind of hybrid vehicle, including the embodiment of the present invention is mixed
Close the control system of power vehicle.
The hybrid vehicle of the embodiment of the present invention, using oxygen content in engine exhaust as whether judging engine without combustion
The basis for estimation of oil, it can be determined that go out whether hybrid vehicle is in without fuel states in the process of moving, with very
Accuracy high, and cut-out in time is connected with the gear of engine when judging that engine is in without fuel states, so that
The engine is protected not dragged by counter, it is to avoid the infringement to engine, while avoid being consumed because engine turns into load
The energy of electrokinetic cell.
In addition, other of hybrid vehicle according to embodiments of the present invention are constituted and acted on common for this area
All it is known for technical staff, in order to reduce redundancy, does not repeat herein..
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.In above-mentioned reality
In applying mode, software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage or
Firmware is realized.If for example, realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA) is existing
Field programmable gate array (FPGA) etc..
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", etc. term should do
Broadly understood, for example, it may be fixedly connected, or be detachably connected, or integrally；Can mechanically connect,
It can also be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals
Connection or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
Speech, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or feature bag that the embodiment or example are described
It is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
Combined in an appropriate manner in individual or multiple embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Can be combined for the feature of the different embodiments or example described in this specification and different embodiments or example by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (11)
1. a kind of control system of hybrid vehicle, it is characterised in that including：
Oxygen signal acquisition module, the oxygen content for gathering engine exhaust；
Rotating speed acquisition module, the current rotating speed for gathering the engine；
Gear control module, the gear for controlling the engine is connected；And
Control module, for judging whether the engine is in without fuel oil according to the oxygen content and the current rotating speed
State, and when judging that the engine is in without fuel states, send the control instruction of the cut-out gear connection.
2. the control system of hybrid vehicle as claimed in claim 1, it is characterised in that the control module is sentenced
Whether the oxygen content of the engine exhaust of breaking reaches predetermined threshold value, and oxygen content in the engine exhaust reaches the
During one predetermined threshold value, determine whether that the oxygen content of the engine exhaust reaches duration of the first predetermined threshold value and is
It is no to reach the second predetermined threshold value, and when the duration second predetermined threshold value is reached, judge the engine
In without fuel states.
3. the control system of hybrid vehicle as claimed in claim 1 or 2, it is characterised in that also include：
Oil pump control module, for controlling the oil pump to be stopped；
The control module is additionally operable to, when judging that the engine is in without fuel states, send the control oil pump and stop
The control instruction for only working.
4. the control system of hybrid vehicle as claimed in claim 1, it is characterised in that also include：
Engine control module, for when judging that the engine is in without fuel states, forbidding engine start.
5. the control system of hybrid vehicle as claimed in claim 1, it is characterised in that the control module is also
Driving is in for engine described in the current rotating speed according to the engine and the gear connection judgment operate shape in shelves
State.
6. a kind of control method of hybrid vehicle, it is characterised in that comprise the following steps：
The oxygen content of engine exhaust is gathered, and gathers the current rotating speed of the engine；And
Judge whether the engine is in without fuel states according to the oxygen content and the current rotating speed, and judging
The engine is in during without fuel states, sends the control instruction of the cut-out gear connection.
7. the control method of hybrid vehicle as claimed in claim 6, it is characterised in that according to the oxygen content
Judge whether the engine is in the current rotating speed to be specifically included without fuel states：
Judge whether the oxygen content of the engine exhaust reaches predetermined threshold value；
When the oxygen content of the engine exhaust reaches the first predetermined threshold value, the engine exhaust is determined whether
Whether the duration that oxygen content reaches the first predetermined threshold value reaches the second predetermined threshold value；And
When the duration second predetermined threshold value is reached, judge that the engine is in without fuel states.
8. the control method of hybrid vehicle as claimed in claims 6 or 7, it is characterised in that judging described
After when engine is in without fuel states, also include：
Send the control instruction that the control oil pump is stopped.
9. the control method of hybrid vehicle as claimed in claim 6, it is characterised in that described cut-out is sent
After the control instruction of gear connection, also include：
Forbid engine start.
10. the control method of hybrid vehicle as claimed in claim 6, it is characterised in that according to described oxygen-containing
Before amount and the current rotating speed judge whether the engine is in without fuel states, also include：
Engine described in current rotating speed and the gear connection judgment according to the engine is in driving and operates shape in shelves
State.
11. a kind of hybrid vehicles, it is characterised in that including the hybrid power described in any one in claim 1-5
The control system of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444046.7A CN106696946B (en) | 2015-07-24 | 2015-07-24 | Hybrid vehicle and control system and control method for it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444046.7A CN106696946B (en) | 2015-07-24 | 2015-07-24 | Hybrid vehicle and control system and control method for it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696946A true CN106696946A (en) | 2017-05-24 |
| CN106696946B CN106696946B (en) | 2019-06-07 |
Family
ID=58895393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510444046.7A Active CN106696946B (en) | 2015-07-24 | 2015-07-24 | Hybrid vehicle and control system and control method for it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696946B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012861A (en) * | 2020-08-28 | 2020-12-01 | 深圳拓邦股份有限公司 | Engine control method and device of mower and mower |
| CN112824193A (en) * | 2019-11-21 | 2021-05-21 | 广州汽车集团股份有限公司 | Method and device for diagnosing and processing fuel exhaustion of hybrid electric vehicle |
| CN114607517A (en) * | 2022-03-11 | 2022-06-10 | 中国第一汽车股份有限公司 | Oil pump state control method and device, vehicle and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991153A (en) * | 2005-12-28 | 2007-07-04 | 丰田自动车株式会社 | Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus |
| CN101245734A (en) * | 2006-08-25 | 2008-08-20 | 通用汽车环球科技运作公司 | Fuel-cut manifold absolute pressure control |
| CN102490719A (en) * | 2011-12-05 | 2012-06-13 | 郑州宇通客车股份有限公司 | System for quickly starting and stopping engine of hybrid vehicle and control method for system |
| CN102529945A (en) * | 2010-12-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Halt control method and system of hybrid power vehicle |
-
2015
- 2015-07-24 CN CN201510444046.7A patent/CN106696946B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991153A (en) * | 2005-12-28 | 2007-07-04 | 丰田自动车株式会社 | Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus |
| CN101245734A (en) * | 2006-08-25 | 2008-08-20 | 通用汽车环球科技运作公司 | Fuel-cut manifold absolute pressure control |
| CN102529945A (en) * | 2010-12-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Halt control method and system of hybrid power vehicle |
| CN102490719A (en) * | 2011-12-05 | 2012-06-13 | 郑州宇通客车股份有限公司 | System for quickly starting and stopping engine of hybrid vehicle and control method for system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824193A (en) * | 2019-11-21 | 2021-05-21 | 广州汽车集团股份有限公司 | Method and device for diagnosing and processing fuel exhaustion of hybrid electric vehicle |
| CN112012861A (en) * | 2020-08-28 | 2020-12-01 | 深圳拓邦股份有限公司 | Engine control method and device of mower and mower |
| CN112012861B (en) * | 2020-08-28 | 2022-06-17 | 深圳拓邦股份有限公司 | Engine control method and device of mower and mower |
| CN114607517A (en) * | 2022-03-11 | 2022-06-10 | 中国第一汽车股份有限公司 | Oil pump state control method and device, vehicle and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106696946B (en) | 2019-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6806588B2 (en) | Power controller for a vehicle | |
| US9234470B2 (en) | Idling stop device, power control method, deterioration notification method and battery charging method | |
| CN104832344A (en) | Method for improved engine operation | |
| EP2743113B1 (en) | Control device for hybrid vehicle | |
| US20070200431A1 (en) | Dead battery preventing device for preventing engine start failure of vehicle having economy running function and dead battery prevention method | |
| CN103912345A (en) | Hybrid electric vehicle particulate regeneration method and system | |
| CN102022213A (en) | System and method for engine and fuel system maintenance | |
| CN102332616A (en) | Diagnosis and control method for power battery management system | |
| CN110752394A (en) | Fuel cell leakage detection method and detection system | |
| CN105383483B (en) | Boosting battery manages system and method | |
| CN105438165B (en) | Starting control method, system and the hybrid vehicle of hybrid vehicle | |
| CN106696946A (en) | Hybrid vehicle as well as control system and control method for hybrid vehicle | |
| CN101956617B (en) | Method and device for controlling idling stop of vehicle engine | |
| CN103679844A (en) | Intelligent-control automobile data recorder and control method thereof | |
| US6907775B2 (en) | Diagnosis apparatus and method of fuel pump for internal combustion engine | |
| KR101938633B1 (en) | Safety control system of battery and control method thereof | |
| CN113619448A (en) | Intelligent monitoring method for new energy automobile storage battery | |
| CN103867369A (en) | Vehicle starting protecting system and control method thereof | |
| CN104071148B (en) | The energy-saving control method of automobile and energy-saving control system and automobile | |
| CN105717454A (en) | Battery Monitoring Apparatus | |
| CN104002697A (en) | Discharge control method of extended range electric vehicle | |
| JPH11107860A (en) | Fuel leakage detecting device for gas engine | |
| CN104110316B (en) | The control device of explosive motor | |
| CN107514023A (en) | A kind of excavator energy-saving control device and control method | |
| CN115214502A (en) | Vehicle power shortage detection and processing method, device and system based on gateway |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |