CN104192142B - Start and stop control method and system for hybrid vehicle engine - Google Patents
Start and stop control method and system for hybrid vehicle engine Download PDFInfo
- Publication number
- CN104192142B CN104192142B CN201410403263.7A CN201410403263A CN104192142B CN 104192142 B CN104192142 B CN 104192142B CN 201410403263 A CN201410403263 A CN 201410403263A CN 104192142 B CN104192142 B CN 104192142B
- Authority
- CN
- China
- Prior art keywords
- controller
- key
- switch
- hybrid
- electromotor
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0014—Adaptive controllers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/30—Auxiliary equipments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
The embodiment of the invention discloses a start and stop control method and system for a hybrid vehicle engine. The method includes the steps of detecting whether a hybrid controller is faulty, if the answer is yes, sending a key start signal to an engine controller through a key start and stop device, and controlling the engine to start after the engine controller receives the key start signal. The invention further discloses a start and stop control system for the hybrid vehicle engine. By means of the method and system, the aim that the engine can still be normally started when the hybrid controller is faulty is achieved, and normal running of the hybrid vehicle is guaranteed.
Description
Technical field
The present invention relates to motor vehicle driven by mixed power field, more particularly to a kind of motor vehicle driven by mixed power electromotor on off control method
And system.
Background technology
Motor vehicle driven by mixed power (Hybird Electric Vehicle, abbreviation HEV) is to use two or more power
The vehicle in source, common power source is divided into two kinds：Electromotor and motor.Wherein, the electromotor can not by gasoline or diesel oil etc.
The renewable sources of energy provide energy, and motor provides energy by energy storage.Under normal circumstances, the motor is dynamic for the mixing
Power vehicle provides power, and electromotor does not start；When motor is unsatisfactory for dynamic property, economy and stability requirement, then start institute
Electromotor is stated, power is provided for the motor vehicle driven by mixed power by the electromotor.
According to the connected mode that hybrid power drives, motor vehicle driven by mixed power is broadly divided into three classes：Serial mixed power system
System, parallel connection type hybrid power system and series-parallel hybrid electric system.Wherein, the series connection type hybrid power system is referred to and started
The direct drive motor of machine is generated electricity, and the electric energy of generation is driving hybrid car travel, the motor to work independently；
The parallel connection type hybrid power system refers to that electromotor and motor both can individually drive hybrid car travel, also may be used
To be driven simultaneously；The series-parallel hybrid electric system refers to that electromotor and motor respectively have a set of mechanical variable speed device, leads to
Cross gear train or be combined together using planet gear type structure, so as to coordinate the rotation speed relation between electromotor and motor.
For the parallel connection type hybrid power system, in the prior art, the startup of the electromotor is by hybrid power control
Device (Hybird Control Unit, abbreviation HCU) processed is completing.The HCU, is mixed for completing the control to hybrid power
Close the core component of power car.
The hybrid controller obtains key enabling signal (Start signals), is then sent to by CAN
Motivation controller (Engine Control Unit, abbreviation ECU), the ECU controls the electromotor and is started.
In prior art, when HCU breaks down, the HCU cannot realize normally opening for electromotor by CAN
It is dynamic, so as to cause the motor vehicle driven by mixed power cannot normally travel.
Additionally, the condition that the engine emergency starts refers to that key at least continuously keeps 5s, i.e. institute on Start positions
Start signal times that ECU receives are stated at least up to 5s, the electromotor could be controlled and started.When in driving way
Motivation suddenly flame-out and change speed gear box still when shelves etc. need the situation of emergency start electromotor to occur, due to CAN without
Method transmission such as Start signals voltage signal, so the emergency start function of electromotor cannot be realized.
The content of the invention
The normal startup of electromotor cannot be completed in order to solve prior art when HCU breaks down and causes mixing dynamic
Power vehicle cannot normally travel technical problem, the embodiment of the present invention provides a kind of motor vehicle driven by mixed power engine start controlling party
Method and system, realizing still can normally start the purpose of electromotor when HCU breaks down, it is ensured that motor vehicle driven by mixed power
Normally travel.
The embodiment of the present invention provides a kind of motor vehicle driven by mixed power electromotor on off control method, and methods described includes：
Whether detection hybrid controller breaks down；
If it is, key start stop apparatus sends key enabling signal to engine controller；
The engine controller receives the key enabling signal, and control electromotor is started.
Preferably, when the hybrid controller breaks down, methods described also includes：
The first switch between the engine controller and the key start stop apparatus is closed, so that the key start and stop
Device to the engine controller sends the key enabling signal.
Preferably, when the hybrid controller does not break down, methods described also includes：
The second switch between the hybrid controller and the key start stop apparatus is closed, so that the mixing is dynamic
Force controller controlled motor drives hybrid car travel.
Preferably, the first switch and second switch are respectively the normally-closed contact and normally opened contact of relay；
One end of the normally-closed contact connects the engine controller, and the other end of the normally-closed contact connects the key
Spoon start stop apparatus；
One end of the normally opened contact connects the hybrid controller, and the other end connection of the normally opened contact is described
Key start stop apparatus；
The hybrid controller control the coil of the relay whether it is electric, when the hybrid controller it is former
During barrier, the coil losing electricity.
Preferably, methods described also includes：
If the hybrid controller does not break down, detecting the persistent period of the key enabling signal is
It is no to be at least first time period；
If it is, the hybrid controller sends the key enabling signal for receiving to the electromotor
Controller, the engine controller controls have been made described in electromotor started.
The embodiment of the present invention also provides a kind of motor vehicle driven by mixed power electromotor start-stop control system, and the system includes：Therefore
Barrier detection means, key start stop apparatus, the first controller, hybrid controller and engine controller；
The failure detector is connected with the hybrid controller；
The hybrid controller is connected with first controller；
First controller is connected with the key start stop apparatus；
The key start stop apparatus is connected with the engine controller；
Wherein, the failure detector, for detecting whether the hybrid controller breaks down, if it is,
Then control the hybrid controller and activate first controller；
First controller, key startup is sent for controlling the key start stop apparatus to the engine controller
Signal；
The engine controller, for receiving the key enabling signal, control electromotor is started.
Preferably, first controller includes：First switch and switch controller；
The first switch is connected between the key start stop apparatus and the engine controller；
The switch controller is attached with the first switch；
The hybrid controller is connected with the switch controller；
When the failure detector is detected the hybrid controller breaks down when, the switch controller control
The first switch closure is made, has made the key start stop apparatus send key enabling signal to the engine controller.
Preferably, first controller also includes：Second switch；
The second switch is connected between the key start stop apparatus and the hybrid controller；The switch control
Device processed is also attached with the second switch；
When the failure detector is detected the hybrid controller does not break down when, the on-off control
Device, is additionally operable to control the second switch closure, makes the key start stop apparatus send described to the hybrid controller
Key enabling signal.
Preferably, the first switch and second switch are respectively the normally-closed contact and normally opened contact of relay；
The switch controller is the coil of the relay；
The switch controller is also connected with the hybrid controller；
The hybrid controller, be additionally operable to control the coil of the relay whether it is electric, when the hybrid power
During controller failure, the coil losing electricity.
Preferably, the system also includes：First and door；
First pin of the hybrid controller connects the first input end of described first and door, the hybrid power
Second pin of controller connects second input of described first and door, and described first controls the relay with the outfan of door
The coil of device whether it is electric；
When the hybrid controller does not break down, first pin and the second pin export high electricity
Flat, the coil of the relay obtains electric；
When the hybrid controller breaks down, first pin exports low level, the line of the relay
Circle dead electricity.
Preferably, the system also includes：Signal supervisory instrument；
The signal supervisory instrument is attached with the hybrid controller；
The signal supervisory instrument, for detecting continuing for the key enabling signal that the hybrid controller is received
Whether the time is at least first time period, if it is, sending first performs signal to the hybrid controller；
The hybrid controller, is additionally operable to receive the first execution signal, and the key enabling signal is sent out
Deliver to the engine controller.
In prior art, the key start stop apparatus to the HCU sends key enabling signal, and the HCU is being received
After the key enabling signal, Engine Start Signal is sent to ECU by CAN, the ECU controls the electromotor and enters
Row starts.When the HCU failures, the HCU cannot receive the key enabling signal or send described without ECU described in normal direction
Engine Start Signal, therefore, the uncontrollable electromotor of the ECU is started, and the motor vehicle driven by mixed power cannot be just
Often travel.
Compared with prior art, the present invention has advantages below：
In the present invention, when the HCU failures, the key start stop apparatus directly sends the key to the ECU
Enabling signal, so that the ECU controls the electromotor and is started, so as to ensure the normal row of the motor vehicle driven by mixed power
Sail.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of flow chart of motor vehicle driven by mixed power electromotor on off control embodiment of the method one that Fig. 1 is provided for the present invention；
A kind of flow chart of motor vehicle driven by mixed power electromotor on off control embodiment of the method two that Fig. 2 is provided for the present invention；
A kind of structural frames of motor vehicle driven by mixed power electromotor start-stop control system embodiment one that Fig. 3 is provided for the present invention
Figure；
A kind of structural frames of motor vehicle driven by mixed power electromotor start-stop control system embodiment two that Fig. 4 is provided for the present invention
Figure.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only this
Invent a part of embodiment, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Embodiment of the method one：
Referring to Fig. 1, a kind of motor vehicle driven by mixed power electromotor on off control embodiment of the method one that the figure is provided for the present invention
Schematic diagram.
Motor vehicle driven by mixed power electromotor on off control method provided in an embodiment of the present invention comprises the steps：
Step 101：Whether detection hybrid controller breaks down, if it is, carrying out step 102.
Step 102：Key start stop apparatus to engine controller sends key enabling signal.
The key start stop apparatus of motor vehicle driven by mixed power typically at least includes four gears：OFF, ACC, ON and START.Its
In, OFF shelves are power-off shelves, i.e., when key is in OFF shelves, all down circuitries of car load；ACC shelves are adnexa shelves, that is, work as key
When toggling it to ACC shelves, vehicle accessory can carry out action, for example, can listen to radio, open air-conditioning etc.；ON shelves are upper electricity
Shelves, i.e., when key toggles it to ON gears, electricity on all controllers；START shelves are startup shelves, i.e., when key toggles it to START
During shelves, the key start stop apparatus sends the key enabling signal.
Step 103：The engine controller receives the key enabling signal, and control electromotor is started.
In prior art, the key start stop apparatus to the HCU sends key enabling signal, and the HCU is being received
After the key enabling signal, Engine Start Signal is sent to ECU by CAN, the ECU controls the electromotor and enters
Row starts.When the HCU failures, the HCU cannot receive the key enabling signal or send described without ECU described in normal direction
Engine Start Signal, therefore, the uncontrollable electromotor of the ECU is started, and the motor vehicle driven by mixed power cannot be just
Often travel.
It should be noted that the key enabling signal is different from the Engine Start Signal, because CAN cannot
Transmission such as key enabling signal voltage signal, so the HCU can be Jing to the Engine Start Signal that the ECU sends
The signal transmitted by CAN, rather than the key enabling signal.
In the present invention, when the HCU failures, the key start stop apparatus directly sends the key to the ECU
Enabling signal, so that the ECU controls the electromotor and is started, so as to ensure the normal row of the motor vehicle driven by mixed power
Sail.
Embodiment of the method two：
Referring to Fig. 2, a kind of motor vehicle driven by mixed power electromotor on off control embodiment of the method two that the figure is provided for the present invention
Schematic diagram.
Motor vehicle driven by mixed power electromotor on off control method provided in an embodiment of the present invention comprises the steps：
Step 201：Whether detection hybrid controller breaks down, if it is, carrying out step 202.
Step 202：Close the first switch between the engine controller and the key start stop apparatus.
Step 203：The key start stop apparatus to the engine controller sends the key enabling signal.
Step 204：The engine controller receives the key enabling signal, and control electromotor is started.
In general, all electromotors are designed with emergency start function, i.e., when the key enabling signal persistent period extremely
When being first time period less, such as 5s, the ECU control the electromotor and are started.
But in prior art, when the HCU failures, the HCU sends engine start letter without ECU described in normal direction
Number, so the emergency start function of the electromotor cannot be realized.
The present embodiment arranges the first switch between the ECU and the key start stop apparatus, when the HCU does not have
When breaking down, the first switch is off；And when the HCU failures, the first switch closure.It is described
ECU receives the key enabling signal, controls the electromotor and is started, so as to complete the emergency start work(of the electromotor
Energy.
Preferably, when step 201 is detected the hybrid controller does not break down when, methods described is also wrapped
Include：
Step 205：The second switch between the hybrid controller and the key start stop apparatus is closed, so that institute
State hybrid controller controlled motor and drive hybrid car travel.
The present invention does not do any restriction to the main body for controlling the first switch and the second switch.In the present embodiment
In, it is preferred that the first switch and second switch are respectively the normally-closed contact and normally opened contact of relay；
One end of the normally-closed contact connects the engine controller, and the other end of the normally-closed contact connects the key
Spoon start stop apparatus；
One end of the normally opened contact connects the hybrid controller, and the other end connection of the normally opened contact is described
Key start stop apparatus；
The hybrid controller control the coil of the relay whether it is electric, when the hybrid controller it is former
During barrier, the coil losing electricity.
In the present embodiment, when the HCU does not break down, the coil of the relay obtains electric, described normally closed tactile
Point is opened, the normally opened contact closure, and the HCU receives the key enabling signal, and the HCU controls the motor and enters
Row work.When the HCU breaks down, the coil losing electricity of the relay, the normally opened contact is opened, the normally-closed contact
Closure, the ECU receives the key enabling signal, and the ECU controls the electromotor and started.The present embodiment profit
Realize that the ECU can realize the function of emergency start when the HCU failures with relay, it is dynamic so as to ensure the mixing
The normally travel of power vehicle.
When the HCU do not break down and the key enabling signal persistent period be less than the first time period
When, the HCU judges whether to need to be opened to the ECU transmissions key according to vehicle condition and/or operator action
Dynamic signal, if it is desired, then the HCU sends the key enabling signal to the ECU.
Wherein, the vehicle condition includes：
Battery functi on state, engine warm state, electric motor starting functional statuses, air-conditioning and defrosting electrical system state,
Power-assisted steering and power brake state, vehicle safety state etc..
The operator action includes：
Clutch pedal position state, brake pedal position state, accelerator pedal position state and gearbox-gear shape
State etc..
Additionally, in prior art, suddenly flame-out and change speed gear box still needs electromotor in shelves etc. in there is driving way
During the situation of electromotor described in emergency start, even if the HCU does not break down, because CAN cannot transmit the key
Spoon enabling signal, the electromotor still cannot realize emergency start function.
The present embodiment is not when the HCU breaks down, it is preferred that methods described also comprises the steps：
Whether the persistent period for detecting the key enabling signal is at least first time period；
If it is, the HCU sends the key enabling signal for receiving to the ECU, control the ECU
Make the electromotor to be started.
In the present embodiment, because the key enabling signal for receiving is forwarded to the ECU by the HCU, overcome
Prior art cannot transmit the technological deficiency of the key enabling signal using CAN, realize and do not broken down in the HCU
When, the electromotor can carry out the purpose of emergency start.
Preferably, when driver rotates key to OFF gears, the key start stop apparatus sends stopping signal to institute
State engine controller, the engine controller power-off, the engine stop operation.
Based on a kind of motor vehicle driven by mixed power electromotor on off control method that above example is provided, the embodiment of the present invention is also
There is provided a kind of motor vehicle driven by mixed power electromotor start-stop control system, below in conjunction with the accompanying drawings describing its operation principle in detail.
System embodiment one：
Referring to Fig. 3, the figure is implemented to illustrate for a kind of motor vehicle driven by mixed power electromotor start-stop control system that the present invention is provided
It is intended to.
Motor vehicle driven by mixed power electromotor start-stop control system provided in an embodiment of the present invention includes：
Hybrid controller 301, failure detector 302, the first controller 303, key start stop apparatus 304 and start
Machine controller 305；
The failure detector 302 is connected with the HCU301；
The HCU301 is connected with first controller 303；
First controller 303 is connected with the key start stop apparatus 304；
The key start stop apparatus 304 is connected with the ECU305；
Wherein, the failure detector 302, for detecting whether the HCU breaks down, if it is, control institute
State HCU301 and activate first controller 303；
First controller 303, key startup is sent for controlling the key start stop apparatus 304 to the ECU305
Signal；
The ECU305, for receiving the key enabling signal, control electromotor is started.
In prior art, the key start stop apparatus 304 to the HCU301 sends key enabling signal, the HCU301
After the key enabling signal is received, Engine Start Signal is sent to the ECU305 by CAN, it is described
ECU305 controls the electromotor and is started.When the HCU301 failures, the HCU301 cannot receive the key and open
Dynamic signal sends the Engine Start Signal without ECU305 described in normal direction, therefore, the ECU305 is uncontrollable described
Motivation is started, and the motor vehicle driven by mixed power cannot normally travel.
In the present invention, when the HCU301 failures, the key start stop apparatus 304 directly sends to the ECU305
The key enabling signal, so that the ECU305 controls the electromotor and is started, so as to ensure the hybrid electric vehicle
Normally travel.
System embodiment two：
Referring to Fig. 4, a kind of motor vehicle driven by mixed power electromotor start-stop control system embodiment two that the figure is provided for the present invention
Schematic diagram.
The present embodiment is with the difference of said system embodiment one：
First controller 303 includes：
Switch controller 3031 and first switch 3032；
The first switch 3032 is connected between the key start stop apparatus 304 and the ECU305；
The switch controller 3031 is attached with the first switch 3032；
The HCU301 is connected with the switch controller 3031；
When the failure detector 302 is detected the HCU301 breaks down when, the switch controller 3031 is controlled
Make the first switch 3032 to close, make the key start stop apparatus 304 send key enabling signal to the ECU305.
In general, all electromotors are designed with emergency start function, i.e., when the key that the ECU305 is received starts
When signal duration is at least first time period, such as 5s, the ECU305 control the electromotor and are started.
But in prior art, when the HCU301 failures, the HCU301 starts without ECU305 described in normal direction
Machine enabling signal, so the emergency start function of the electromotor cannot be realized.
The present embodiment arranges the first switch 3032 between the ECU305 and the key start stop apparatus 304, when
When the HCU301 does not break down, the first switch 3032 is off；And when the HCU301 failures, institute
State first switch 3032 to close.The ECU305 receives the key enabling signal, controls the electromotor and is started, so as to
Complete the emergency start function of the electromotor.
Preferably, first controller 303 also includes：
The second switch 3033；
The second switch 3033 is connected between the key start stop apparatus 304 and the HCU301；The switch control
Device processed 3031 is also attached with the second switch 3033；
When the failure detector 302 is detected the HCU301 does not break down when, the switch controller
3031, it is additionally operable to control the second switch 3033 to close, make the key start stop apparatus 304 send described to the HCU301
Key enabling signal.
In actual applications, first controller 303 can be microcontroller, or other portions such as relay
Part, the present invention is not specifically limited.
In the present embodiment, preferably first controller 303 is relay, wherein, the first switch 3032 and second
Switch 3033 is respectively the normally-closed contact and normally opened contact of relay；
The switch controller 3031 is the coil of the relay；
The coil is also connected with the HCU301；
The HCU301, be additionally operable to control the coil of the relay whether it is electric, it is described when the HCU301 failures
Coil losing electricity.
In the present embodiment, when the HCU301 does not break down, the coil of the relay obtains electric, described normally closed
Contact is opened, the normally opened contact closure, and the HCU301 receives the key enabling signal, and HCU301 controls institute
State motor to be operated.When the HCU301 breaks down, the coil losing electricity of the relay, the normally opened contact is opened,
The normally-closed contact closure, the ECU305 receives the key enabling signal, and the ECU305 controls the electromotor
Started.The present embodiment realizes that the ECU305 can realize emergency start when the HCU301 failures using relay
Function, so as to ensure the normally travel of the motor vehicle driven by mixed power.
Preferably, the system also includes：
First with door 306；
The first pin connection described first of the HCU301 and the first input end of door 306, the second of the HCU301
Pin connects second input of described first and door 306, and described first controls the line of the relay with the outfan of door 306
Circle whether it is electric；
Wherein, first pin is failure pin, and second pin is upper acusector.It is described when key is in ON shelves
Second pin exports high level.In the present invention, it is high level to give tacit consent to the second pin, so when the HCU301 does not occur event
During barrier, first pin and the second pin export high level, and the coil of the relay obtains electric；
When the HCU301 breaks down, first pin exports low level, the coil losing electricity of the relay.
In the present embodiment, using described first with door 306 control the coil of the relay whether it is electric, so that it is determined that
The reception object of the key enabling signal.
Additionally, in prior art, electromotor is flame-out etc. suddenly in there is driving way needs electromotor described in emergency start
Situation when, it is described because CAN cannot transmit the key enabling signal even if the HCU301 does not break down
Electromotor still cannot realize emergency start function.
The present embodiment is preferred, and the system also includes：
Signal supervisory instrument 307, the signal supervisory instrument 307 is attached with the HCU301；
The signal supervisory instrument 307, for detecting the persistent period of the key enabling signal that the HCU301 is received
Whether first time period is at least, if it is, sending first performs signal to the HCU301；
The HCU301, is additionally operable to receive described first and performs signal, and the key enabling signal is sent to described
ECU305, has made the ECU305 control the electromotor and has been started.
The HCU301 is attached with the ECU305.
In the present embodiment, because the key enabling signal for receiving is forwarded to the ECU305 by the HCU301,
The technological deficiency that prior art cannot transmit the key enabling signal using CAN is overcome, is realized and is not had in the HCU301
When breaking down, the electromotor can carry out the purpose of emergency start.
When the HCU301 do not break down and the key enabling signal persistent period be less than the very first time
Duan Shi, the HCU301 judge whether to need to send institute to the ECU305 according to vehicle condition and/or operator action
State key enabling signal, if it is desired, then the HCU sends the key enabling signal to the ECU305.
Wherein, the vehicle condition includes：
Battery functi on state, engine warm state, electric motor starting functional statuses, air-conditioning and defrosting electrical system state,
Power-assisted steering and power brake state, vehicle safety state etc..
The operator action includes：
Clutch pedal position state, brake pedal position state, accelerator pedal position state and gearbox-gear shape
State etc..
Preferably, when driver rotates key to OFF gears, the key start stop apparatus 304 is additionally operable to transmission and stops
Machine signal is to the ECU305, the ECU305 power-off, the engine stop operation.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
For applying example, because it is substantially similar to device embodiment, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.Device embodiment described above is only schematic, wherein described illustrate as separating component
Unit and module can be or may not be physically separate.Furthermore it is also possible to select it according to the actual needs
In some or all of unit and module realizing the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying
In the case of creative work, you can to understand and implement.
The above is only the specific embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of motor vehicle driven by mixed power electromotor on off control method, it is characterised in that methods described includes：
Whether detection hybrid controller breaks down；
If it is, the first switch between closed engine controller and key start stop apparatus, so that key start and stop dress
Put to the engine controller and send key enabling signal, wherein, the key start stop apparatus is connected by the first switch
Connect the engine controller；
The engine controller receives the key enabling signal, and control electromotor is started.
2. motor vehicle driven by mixed power electromotor on off control method according to claim 1, it is characterised in that when the mixing
When power controller does not break down, methods described also includes：
The second switch between the hybrid controller and the key start stop apparatus is closed, so that the hybrid power control
Device controlled motor processed drives hybrid car travel.
3. motor vehicle driven by mixed power electromotor on off control method according to claim 2, it is characterised in that described first opens
Close the normally-closed contact and normally opened contact that relay is respectively with second switch；
One end of the normally-closed contact connects the engine controller, and the other end of the normally-closed contact connects the key and opens
Stop device；
One end of the normally opened contact connects the hybrid controller, and the other end of the normally opened contact connects the key
Start stop apparatus；
The hybrid controller control the coil of the relay whether it is electric, when the hybrid controller failure
When, the coil losing electricity.
4. motor vehicle driven by mixed power electromotor on off control method according to claim 1, it is characterised in that methods described is also
Including：
If the hybrid controller does not break down, whether extremely the persistent period of the key enabling signal is detected
It is less first time period；
If it is, the hybrid controller sends the key enabling signal for receiving to electromotor control
Device, so that electromotor described in the engine controller controls is started.
5. a kind of motor vehicle driven by mixed power electromotor start-stop control system, it is characterised in that the system includes：Fault detect is filled
Put, key start stop apparatus, the first controller, hybrid controller and engine controller；
The failure detector is connected with the hybrid controller；
The hybrid controller is connected with first controller；
First controller is connected with the key start stop apparatus；
The key start stop apparatus is connected by first switch with the engine controller；
Wherein, the failure detector, for detecting whether the hybrid controller breaks down, if it is, control
Make the hybrid controller and activate first controller；
First controller, key startup letter is sent for controlling the key start stop apparatus to the engine controller
Number；
The engine controller, for receiving the key enabling signal, control electromotor is started；
Wherein, first controller includes：The first switch and switch controller；
The switch controller is attached with the first switch；
The hybrid controller is connected with the switch controller；
When the failure detector is detected the hybrid controller breaks down when, the switch controller controls institute
First switch closure is stated, so that the key start stop apparatus sends key enabling signal to the engine controller.
6. motor vehicle driven by mixed power electromotor start-stop control system according to claim 5, it is characterised in that first control
Device processed also includes：Second switch；
The second switch is connected between the key start stop apparatus and the hybrid controller；The switch controller
Also it is attached with the second switch；
When the failure detector is detected the hybrid controller does not break down when, the switch controller,
It is additionally operable to control the second switch closure, makes the key start stop apparatus send the key to the hybrid controller
Enabling signal.
7. motor vehicle driven by mixed power electromotor start-stop control system according to claim 6, it is characterised in that described first opens
Close the normally-closed contact and normally opened contact that relay is respectively with second switch；
The switch controller is the coil of the relay；
The switch controller is also connected with the hybrid controller；
The hybrid controller, be additionally operable to control the coil of the relay whether it is electric, when hybrid power control
During device failure, the coil losing electricity.
8. motor vehicle driven by mixed power electromotor start-stop control system according to claim 7, it is characterised in that the system is also
Including：First and door；
First pin of the hybrid controller connects the first input end of described first and door, the hybrid power control
Second pin of device connects second input of described first and door, and described first controls the relay with the outfan of door
Coil whether it is electric；
When the hybrid controller does not break down, first pin and the second pin export high level, institute
The coil for stating relay obtains electric；
When the hybrid controller breaks down, first pin exports low level, the deactivation coil of the relay
Electricity.
9. motor vehicle driven by mixed power electromotor start-stop control system according to claim 5, it is characterised in that the system is also
Including：Signal supervisory instrument；
The signal supervisory instrument is attached with the hybrid controller；
The signal supervisory instrument, for detecting the persistent period of the key enabling signal that the hybrid controller is received
Whether first time period is at least, if it is, sending first performs signal to the hybrid controller；
The hybrid controller, be additionally operable to receive it is described first perform signal, and by the key enabling signal send to
The engine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403263.7A CN104192142B (en) | 2014-08-15 | 2014-08-15 | Start and stop control method and system for hybrid vehicle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403263.7A CN104192142B (en) | 2014-08-15 | 2014-08-15 | Start and stop control method and system for hybrid vehicle engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104192142A CN104192142A (en) | 2014-12-10 |
| CN104192142B true CN104192142B (en) | 2017-05-10 |
Family
ID=52077575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410403263.7A Active CN104192142B (en) | 2014-08-15 | 2014-08-15 | Start and stop control method and system for hybrid vehicle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104192142B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696955B (en) * | 2017-02-24 | 2019-03-08 | 潍柴动力股份有限公司 | A kind of the acquisition circuit and acquisition methods of enabling signal |
| CN108656925B (en) * | 2017-03-31 | 2020-10-23 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| CN108674405B (en) * | 2017-03-31 | 2020-04-24 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| CN114228718B (en) * | 2022-01-18 | 2024-03-19 | 潍柴动力股份有限公司 | Control method and control system for braking of hybrid power tractor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353044B (en) * | 2008-08-29 | 2011-11-16 | 奇瑞汽车股份有限公司 | Hybrid power automobile safe monitoring system and monitoring method |
| CN101492046A (en) * | 2008-11-25 | 2009-07-29 | 吉林大学 | Parallel type hybrid vehicles energy management and assembly coordinated control method |
| CN101927764A (en) * | 2010-08-19 | 2010-12-29 | 浙江吉利汽车研究院有限公司 | Double-HCU integrated control system of hybrid power vehicle |
| CN101947915B (en) * | 2010-09-03 | 2013-01-02 | 中国汽车技术研究中心 | Engine start-stop controlling method in switching process of strong hybrid power operating modes of automobile |
| JP2013139212A (en) * | 2012-01-05 | 2013-07-18 | Toyota Motor Corp | Failure detecting device of hybrid vehicle |
| JP5794192B2 (en) * | 2012-04-09 | 2015-10-14 | トヨタ自動車株式会社 | Hybrid car |
| JP5622055B2 (en) * | 2012-07-02 | 2014-11-12 | 株式会社デンソー | Control device for hybrid vehicle |
-
2014
- 2014-08-15 CN CN201410403263.7A patent/CN104192142B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104192142A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107097779A (en) | The control method and device of hybrid electric vehicle | |
| CN104192142B (en) | Start and stop control method and system for hybrid vehicle engine | |
| CN107415926B (en) | Vehicle control system | |
| CN101038030B (en) | Control device for a hybrid electric vehicle | |
| CN101011966B (en) | Vehicle including power output apparatus, and control unit and method for power output apparatus | |
| CN105966401B (en) | A kind of vehicle sliding shutdown fuel-economizing controlling method | |
| US20070267231A1 (en) | Control device for a hybrid electric vehicle | |
| CN105298709A (en) | Engine starting control system and control method | |
| US9914416B2 (en) | System and method for closing a contactor on early wake to improve vehicle start time | |
| CN105774802A (en) | Shift control apparatus and method of hybrid vehicle | |
| CN106553641A (en) | The method and apparatus of the engine clutch transmitting torque of study motor vehicle driven by mixed power | |
| CN104709270A (en) | Apparatus and method for controlling engine clutch of hybrid electric vehicle | |
| CN107487229B (en) | A kind of pure electric automobile startup control method | |
| CN103085814A (en) | Manual gear car start-and-stop control system | |
| CN106787663A (en) | A kind of EMUs AuCT parallel connection startup method | |
| CN102729985B (en) | Control system for hybrid vehicle | |
| CN106470861B (en) | The control method of power-driven system is mixed for the control of hybrid vehicle | |
| CN108528459A (en) | The four high-grade fault handling method of axis hybrid vehicle critical component of double planet wheel rows of mixing | |
| CN102114765B (en) | Hybrid power drive system and control method and vehicle provided with system | |
| CN102556047B (en) | Pure electric idling mode quit control method for hybrid power system | |
| CN203094054U (en) | Manual gear automobile start-stop control system | |
| CN106740905B (en) | Traction control circuit under multi-locomotive single machine fault condition | |
| CN105711425A (en) | Vehicle drive control method and vehicle drive control system | |
| CN104192149B (en) | The control method of vehicle operation and device | |
| CN102562403B (en) | Control system for realizing safety self-start of engines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |