CN104192142A - 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
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- CN104192142A CN104192142A CN201410403263.7A CN201410403263A CN104192142A CN 104192142 A CN104192142 A CN 104192142A CN 201410403263 A CN201410403263 A CN 201410403263A CN 104192142 A CN104192142 A CN 104192142A
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- 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
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- 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
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
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, relate in particular to a kind of motor vehicle driven by mixed power driving engine on off control method and system.
Background technology
Motor vehicle driven by mixed power (Hybird Electric Vehicle is called for short HEV) is the vehicle that uses two or more propulsion source, and common propulsion source is divided into two kinds: driving engine and motor.Wherein, described driving engine provides energy by the non-renewable energy resources such as gasoline or diesel oil, and motor provides energy by energy storage.Under normal circumstances, described motor provides power for described motor vehicle driven by mixed power, and driving engine does not start; In the time that motor does not meet dynamic property, economy and stability requirement, start described driving engine, provide power by described driving engine for described motor vehicle driven by mixed power.
The connection mode driving according to hybrid power, motor vehicle driven by mixed power is mainly divided three classes: series connection type hybrid power system, parallel connection type hybrid power system and series-parallel hybrid electric system.Wherein, described series connection type hybrid power system refers to that engine direct connects drive motor and generates electricity, and the electric energy of generation drives hybrid car travel, and described motor cannot work independently; Described parallel connection type hybrid power system refers to that electrical generator and motor both can drive separately respectively hybrid car travel, also can drive simultaneously; Described series-parallel hybrid electric system is that mean engine and motor respectively have a set of mechanical variable speed device, combines, thereby coordinate the rotation speed relation between driving engine and electrical motor by train of gears or employing planet gear type structure.
For described parallel connection type hybrid power system, in the prior art, the startup of described driving engine is completed by hybrid controller (Hybird Control Unit is called for short HCU).Described HCU, for completing the control to hybrid power, is the core component of motor vehicle driven by mixed power.
Described hybrid controller obtains key actuation signal (Start signal), then sends to engine controller (Engine Control Unit is called for short ECU) by CAN bus, and described ECU controls described driving engine and starts.
In prior art, in the time of HCU et out of order, described HCU cannot realize by CAN bus the normal startup of driving engine, thereby causes described motor vehicle driven by mixed power normally to travel.
In addition, the condition that described engine emergency starts refers to that key keeps at least continuously 5s on Start position, and the Start signal time that described ECU receives at least reaches 5s, could control described driving engine and start.When sudden engine in driving way is flame-out and change speed gear box still in the time that shelves etc. need the situation of emergency start driving engine to occur, because CAN bus cannot be transmitted as voltage signals such as Start signals, so cannot realize the emergency start function of driving engine.
Summary of the invention
In order to solve in prior art the technical matters that cannot complete the normal startup of driving engine when the HCU et out of order and cause motor vehicle driven by mixed power normally to travel, the embodiment of the present invention provides a kind of motor vehicle driven by mixed power engine start control method and system, realize in the time of HCU et out of order still the normally object of start the engine, ensured normally travelling of motor vehicle driven by mixed power.
The embodiment of the present invention provides a kind of motor vehicle driven by mixed power driving engine on off control method, and described method comprises:
Detect whether et out of order of hybrid controller;
If so, key start stop apparatus sends key actuation signal to engine controller;
Described engine controller receives described key actuation signal, and control engine starts.
Preferably, in the time of described hybrid controller et out of order, described method also comprises:
The first switch between closed described engine controller and described key start stop apparatus, so that described key start stop apparatus sends described key actuation signal to described engine controller.
Preferably, in the time that described hybrid controller does not have et out of order, described method also comprises:
Second switch between closed described hybrid controller and described key start stop apparatus, so that described hybrid controller control motor drives hybrid car travel.
Preferably, described the first switch and second switch are respectively normally closed contact and the open contact of relay;
One end of described normally closed contact connects described engine controller, and the other end of described normally closed contact connects described key start stop apparatus;
One end of described open contact connects described hybrid controller, and the other end of described open contact connects described key start stop apparatus;
Described in described hybrid controller control the coil of relay whether electric, in the time of described hybrid controller fault, described coil losing electricity.
Preferably, described method also comprises:
If described hybrid controller does not have et out of order, whether the time length that detects described key actuation signal is at least very first time section;
If so, the described key actuation signal receiving is sent to described engine controller by described hybrid controller, made driving engine described in described engine controller controls start.
The embodiment of the present invention also provides a kind of motor vehicle driven by mixed power driving engine start-stop control system, and described system comprises: failure detector, key start stop apparatus, the first controller, hybrid controller and engine controller;
Described failure detector is connected with described hybrid controller;
Described hybrid controller is connected with described the first controller;
Described the first controller is connected with described key start stop apparatus;
Described key start stop apparatus is connected with described engine controller;
Wherein, described failure detector, for detection of whether et out of order of described hybrid controller, if so, controls described hybrid controller and activates described the first controller;
Described the first controller, sends key actuation signal for controlling described key start stop apparatus to described engine controller;
Described engine controller, for receiving described key actuation signal, control engine starts.
Preferably, described the first controller comprises: the first switch and on off controller;
Described the first switch is connected between described key start stop apparatus and described engine controller;
Described on off controller is connected with described the first switch;
Described hybrid controller is connected with described on off controller;
In the time that described failure detector detects described hybrid controller et out of order, the first switch closure described in described on off controller control, has made described key start stop apparatus send key actuation signal to described engine controller.
Preferably, described the first controller also comprises: second switch;
Described second switch is connected between described key start stop apparatus and described hybrid controller; Described on off controller is also connected with described second switch;
In the time that described failure detector detects described hybrid controller and there is no et out of order, described on off controller, also for controlling described second switch closure, makes described key start stop apparatus send described key actuation signal to described hybrid controller.
Preferably, described the first switch and second switch are respectively normally closed contact and the open contact of relay;
Described on off controller is the coil of described relay;
Described on off controller is also connected with described hybrid controller;
Described hybrid controller, also for the coil of controlling described relay whether electric, in the time of described hybrid controller fault, described coil losing electricity.
Preferably, described system also comprises: first with door;
The first pin of described hybrid controller connect described first with door first input end, the second pin of described hybrid controller connect described first with the second input end of door, described first with the coil of relay described in the mouth control of door whether electric;
In the time that described hybrid controller does not have et out of order, described the first pin and the second pin are all exported high level, and the coil of described relay obtains electric;
In the time of described hybrid controller et out of order, described the first pin output low level, the coil losing electricity of described relay.
Preferably, described system also comprises: signal supervisory instrument;
Described signal supervisory instrument is connected with described hybrid controller;
Described signal supervisory instrument, whether the time length of the key actuation signal receiving for detection of described hybrid controller is at least very first time section, if so, sends the first executive signal to described hybrid controller;
Described hybrid controller, also for receiving described the first executive signal, and is sent to described engine controller by described key actuation signal.
In prior art, described key start stop apparatus sends key actuation signal to described HCU, and described HCU, receiving after described key actuation signal, sends Engine Start Signal by CAN bus to ECU, and described ECU controls described driving engine and starts.In the time of described HCU fault, described HCU cannot receive described key actuation signal or cannot send described Engine Start Signal to described ECU, and therefore, the uncontrollable described driving engine of described ECU starts, and described motor vehicle driven by mixed power cannot normally travel.
Compared with prior art, the present invention has the following advantages:
In the present invention, in the time of described HCU fault, described key start stop apparatus directly sends described key actuation signal to described ECU, starts, thereby ensure normally travelling of described motor vehicle driven by mixed power so that described ECU controls described driving engine.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the diagram of circuit of a kind of motor vehicle driven by mixed power driving engine on off control embodiment of the method one provided by the invention;
Fig. 2 is the diagram of circuit of a kind of motor vehicle driven by mixed power driving engine on off control embodiment of the method two provided by the invention;
Fig. 3 is the structured flowchart of a kind of motor vehicle driven by mixed power driving engine start-stop control system embodiment mono-provided by the invention;
Fig. 4 is the structured flowchart of a kind of motor vehicle driven by mixed power driving engine start-stop control system embodiment bis-provided by the invention.
Detailed description of the invention
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment of the method one:
Referring to Fig. 1, this figure is a kind of motor vehicle driven by mixed power driving engine on off control embodiment of the method provided by the invention one schematic diagram.
The motor vehicle driven by mixed power driving engine on off control method that the embodiment of the present invention provides comprises the steps:
Step 101: detect whether et out of order of hybrid controller, if so, carry out step 102.
Step 102: key start stop apparatus sends key actuation signal to engine controller.
The key start stop apparatus of motor vehicle driven by mixed power generally at least comprises four gear: OFF, ACC, ON and START.Wherein, OFF shelves are power-off shelves, when key is during in OFF shelves, and all down circuitry of car load; ACC shelves are annex shelves, and, in the time that key toggles it to ACC shelves, vehicle accessory can move, for example, can listen to radio receiver, open air-conditioning etc.; ON shelves are the shelves that power on, and, in the time that key toggles it to ON gear, all controllers power on; START shelves are for starting shelves, and, in the time that key toggles it to START shelves, described key start stop apparatus sends described key actuation signal.
Step 103: described engine controller receives described key actuation signal, and control engine starts.
In prior art, described key start stop apparatus sends key actuation signal to described HCU, and described HCU, receiving after described key actuation signal, sends Engine Start Signal by CAN bus to ECU, and described ECU controls described driving engine and starts.In the time of described HCU fault, described HCU cannot receive described key actuation signal or cannot send described Engine Start Signal to described ECU, and therefore, the uncontrollable described driving engine of described ECU starts, and described motor vehicle driven by mixed power cannot normally travel.
It should be noted that, described key actuation signal is different from described Engine Start Signal, because CAN bus cannot be transmitted as voltage signals such as key actuation signals, so the Engine Start Signal that described HCU sends to described ECU is the signal that can transmit via CAN bus, instead of described key actuation signal.
In the present invention, in the time of described HCU fault, described key start stop apparatus directly sends described key actuation signal to described ECU, starts, thereby ensure normally travelling of described motor vehicle driven by mixed power so that described ECU controls described driving engine.
Embodiment of the method two:
Referring to Fig. 2, this figure is a kind of motor vehicle driven by mixed power driving engine on off control embodiment of the method provided by the invention two schematic diagrams.
The motor vehicle driven by mixed power driving engine on off control method that the embodiment of the present invention provides comprises the steps:
Step 201: detect whether et out of order of hybrid controller, if so, carry out step 202.
Step 202: the first switch between closed described engine controller and described key start stop apparatus.
Step 203: described key start stop apparatus sends described key actuation signal to described engine controller.
Step 204: described engine controller receives described key actuation signal, and control engine starts.
In general, all driving engines are all provided with emergency start function, when described key actuation signal time length is at least the very first time when section, and for example 5s, described ECU controls described driving engine and starts.
But in prior art, in the time of described HCU fault, described HCU cannot send Engine Start Signal to described ECU, so cannot realize the emergency start function of described driving engine.
The present embodiment arranges described the first switch between described ECU and described key start stop apparatus, and in the time that described HCU does not have et out of order, described the first switch is in off-state; And in the time of described HCU fault, described the first switch closure.Described ECU receives described key actuation signal, controls described driving engine and starts, thereby complete the emergency start function of described driving engine.
Preferably, in the time that step 201 detects described hybrid controller and there is no et out of order, described method also comprises:
Step 205: the second switch between closed described hybrid controller and described key start stop apparatus, so that described hybrid controller control motor drives hybrid car travel.
The present invention does not do any restriction to the main body of controlling described the first switch and described second switch.In the present embodiment, preferred, described the first switch and second switch are respectively normally closed contact and the open contact of relay;
One end of described normally closed contact connects described engine controller, and the other end of described normally closed contact connects described key start stop apparatus;
One end of described open contact connects described hybrid controller, and the other end of described open contact connects described key start stop apparatus;
Described in described hybrid controller control the coil of relay whether electric, in the time of described hybrid controller fault, described coil losing electricity.
In the present embodiment, in the time that described HCU does not have et out of order, the coil of described relay obtains electric, and described normally closed contact is opened, described open contact closure, and described HCU receives described key actuation signal, and described HCU controls described motor and carries out work.In the time of described HCU et out of order, the coil losing electricity of described relay, described open contact is opened, described normally closed contact closure, described ECU receives described key actuation signal, and described ECU controls described driving engine and starts.The present embodiment utilizes relay to realize in the time of described HCU fault, and described ECU can realize the function of emergency start, thereby ensures normally travelling of described motor vehicle driven by mixed power.
When not having the time length of et out of order and described key actuation signal, described HCU is less than described very first time when section, described HCU judges whether to send described key actuation signal to described ECU according to vehicle condition and/or driver's operation action, if needed, described HCU sends described key actuation signal to described ECU.
Wherein, described vehicle condition comprises:
Battery functi on state, engine warm state, electric motor starting functional status, air-conditioning and defrosting electric system state, servo-steering and power brake state, vehicle safety state etc.
Described driver's operation action comprises:
Clutch pedal position state, brake pedal position state, accelerator pedal position state and gearbox-gear state etc.
In addition, in prior art, when occurring in driving way that the flame-out and change speed gear box of sudden engine is still when the situation at driving engine described in shelves etc. need emergency start, even if described HCU does not have et out of order, because CAN bus cannot be transmitted described key actuation signal, described driving engine still cannot be realized emergency start function.
The present embodiment is not in the time that described HCU has et out of order, and preferred, described method also comprises the steps:
Whether the time length that detects described key actuation signal is at least very first time section;
If so, the described key actuation signal receiving is sent to described ECU by described HCU, made described ECU control described driving engine and started.
In the present embodiment, because the described key actuation signal receiving is forwarded to described ECU by described HCU, having overcome prior art adopts CAN cannot transmit the technological deficiency of described key actuation signal, realized in the time that described HCU does not have et out of order, described driving engine can carry out the object of emergency start.
Preferably, in the time that chaufeur rotates to OFF gear by key, described key start stop apparatus sends shutdown signal to described engine controller, described engine controller power-off, described engine stop operation.
A kind of motor vehicle driven by mixed power driving engine on off control method providing based on above embodiment, the embodiment of the present invention also provides a kind of motor vehicle driven by mixed power driving engine start-stop control system, describes its principle of work in detail below in conjunction with accompanying drawing.
System embodiment one:
Referring to Fig. 3, this figure is a kind of motor vehicle driven by mixed power driving engine start-stop control system embodiment schematic diagram provided by the invention.
The motor vehicle driven by mixed power driving engine start-stop control system that the embodiment of the present invention provides comprises:
Hybrid controller 301, failure detector 302, the first controller 303, key start stop apparatus 304 and engine controller 305;
Described failure detector 302 is connected with described HCU301;
Described HCU301 is connected with described the first controller 303;
Described the first controller 303 is connected with described key start stop apparatus 304;
Described key start stop apparatus 304 is connected with described ECU305;
Wherein, described failure detector 302, for detection of whether et out of order of described HCU, if so, controls described HCU301 and activates described the first controller 303;
Described the first controller 303, sends key actuation signal for controlling described key start stop apparatus 304 to described ECU305;
Described ECU305, for receiving described key actuation signal, control engine starts.
In prior art, described key start stop apparatus 304 sends key actuation signal to described HCU301, described HCU301 is receiving after described key actuation signal, sends Engine Start Signal by CAN bus to described ECU305, and described ECU305 controls described driving engine and starts.In the time of described HCU301 fault, described HCU301 cannot receive described key actuation signal or cannot send described Engine Start Signal to described ECU305, therefore, the uncontrollable described driving engine of described ECU305 starts, and described motor vehicle driven by mixed power cannot normally travel.
In the present invention, in the time of described HCU301 fault, described key start stop apparatus 304 directly sends described key actuation signal to described ECU305, starts, thereby ensure normally travelling of described motor vehicle driven by mixed power so that described ECU305 controls described driving engine.
System embodiment two:
Referring to Fig. 4, this figure is a kind of motor vehicle driven by mixed power driving engine start-stop control system embodiment provided by the invention bis-schematic diagrams.
The difference of the present embodiment and said system embodiment mono-is:
Described the first controller 303 comprises:
On off controller 3031 and the first switch 3032;
Described the first switch 3032 is connected between described key start stop apparatus 304 and described ECU305;
Described on off controller 3031 is connected with described the first switch 3032;
Described HCU301 is connected with described on off controller 3031;
In the time that described failure detector 302 detects described HCU301 et out of order, described on off controller 3031 is controlled described the first switch 3032 closures, makes described key start stop apparatus 304 send key actuation signal to described ECU305.
In general, all driving engines are all provided with emergency start function, and the key actuation signal time length receiving as described ECU305 is at least the very first time when section, for example 5s, and described ECU305 controls described driving engine and starts.
But in prior art, in the time of described HCU301 fault, described HCU301 cannot send Engine Start Signal to described ECU305, so cannot realize the emergency start function of described driving engine.
The present embodiment arranges described the first switch 3032 between described ECU305 and described key start stop apparatus 304, and in the time that described HCU301 does not have et out of order, described the first switch 3032 is in off-state; And in the time of described HCU301 fault, described the first switch 3032 closures.Described ECU305 receives described key actuation signal, controls described driving engine and starts, thereby complete the emergency start function of described driving engine.
Preferably, described the first controller 303 also comprises:
Described second switch 3033;
Described second switch 3033 is connected between described key start stop apparatus 304 and described HCU301; Described on off controller 3031 is also connected with described second switch 3033;
In the time that described failure detector 302 detects described HCU301 and there is no et out of order, described on off controller 3031, also, for controlling described second switch 3033 closures, makes described key start stop apparatus 304 send described key actuation signal to described HCU301.
In actual applications, described the first controller 303 can be microcontroller, can be also the miscellaneous parts such as relay, and the present invention is not specifically limited.
In the present embodiment, preferably described the first controller 303 is relay, and wherein, described the first switch 3032 and second switch 3033 are respectively normally closed contact and the open contact of relay;
The coil that described on off controller 3031 is described relay;
Described coil is also connected with described HCU301;
Described HCU301, also for the coil of controlling described relay whether electric, in the time of described HCU301 fault, described coil losing electricity.
In the present embodiment, in the time that described HCU301 does not have et out of order, the coil of described relay obtains electric, described normally closed contact is opened, described open contact closure, described HCU301 receives described key actuation signal, and described HCU301 controls described motor and carries out work.In the time of described HCU301 et out of order, the coil losing electricity of described relay, described open contact is opened, described normally closed contact closure, described ECU305 receives described key actuation signal, and described ECU305 controls described driving engine and starts.The present embodiment utilizes relay to realize in the time of described HCU301 fault, and described ECU305 can realize the function of emergency start, thereby ensures normally travelling of described motor vehicle driven by mixed power.
Preferably, described system also comprises:
First with door 306;
The first pin of described HCU301 connect described first with door 306 first input end, the second pin of described HCU301 connect described first with the second input end of door 306, described first with the coil of relay described in the mouth control of door 306 whether electric;
Wherein, described the first pin is fault pin, and described the second pin is upper acusector.When key is during in ON shelves, described the second pin output high level.In the present invention, acquiescence the second pin is high level, so in the time that described HCU301 does not have et out of order, described the first pin and the second pin are all exported high level, the coil of described relay obtains electric;
In the time of described HCU301 et out of order, described the first pin output low level, the coil losing electricity of described relay.
In the present embodiment, utilize the described first coil of controlling described relay with door 306 whether electric, thereby the reception object of definite described key actuation signal.
In addition, in prior art, in the time occurring that sudden engine in driving way is flame-out and wait the situation that needs driving engine described in emergency start, even if described HCU301 does not have et out of order, because CAN bus cannot be transmitted described key actuation signal, described driving engine still cannot be realized emergency start function.
The present embodiment is preferred, and described system also comprises:
Signal supervisory instrument 307, described signal supervisory instrument 307 is connected with described HCU301;
Described signal supervisory instrument 307, whether the time length of the key actuation signal receiving for detection of described HCU301 is at least very first time section, if so, sends the first executive signal to described HCU301;
Described HCU301, also for receiving described the first executive signal, and is sent to described ECU305 by described key actuation signal, has made described ECU305 control described driving engine and has started.
Described HCU301 is connected with described ECU305.
In the present embodiment, because the described key actuation signal receiving is forwarded to described ECU305 by described HCU301, having overcome prior art adopts CAN cannot transmit the technological deficiency of described key actuation signal, realized in the time that described HCU301 does not have et out of order, described driving engine can carry out the object of emergency start.
When not having the time length of et out of order and described key actuation signal, described HCU301 is less than described very first time when section, described HCU301 judges whether to send described key actuation signal to described ECU305 according to vehicle condition and/or driver's operation action, if needed, described HCU sends described key actuation signal to described ECU305.
Wherein, described vehicle condition comprises:
Battery functi on state, engine warm state, electric motor starting functional status, air-conditioning and defrosting electric system state, servo-steering and power brake state, vehicle safety state etc.
Described driver's operation action comprises:
Clutch pedal position state, brake pedal position state, accelerator pedal position state and gearbox-gear state etc.
Preferably, in the time that chaufeur rotates to OFF gear by key, described key start stop apparatus 304, also for sending shutdown signal to described ECU305, described ECU305 power-off, described engine stop operation.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially,, for system embodiment, because it is substantially similar in appearance to device embodiment, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.Device embodiment described above is only schematically, and wherein said unit and module as separating component explanation can or can not be also physically to separate.In addition, can also select according to the actual needs some or all of unit wherein and module to realize the object of the present embodiment scheme.Those of ordinary skill in the art, in the situation that not paying creative work, are appreciated that and implement.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a motor vehicle driven by mixed power driving engine on off control method, is characterized in that, described method comprises:
Detect whether et out of order of hybrid controller;
If so, key start stop apparatus sends key actuation signal to engine controller;
Described engine controller receives described key actuation signal, and control engine starts.
2. motor vehicle driven by mixed power driving engine on off control method according to claim 1, is characterized in that, in the time of described hybrid controller et out of order, described method also comprises:
The first switch between closed described engine controller and described key start stop apparatus, so that described key start stop apparatus sends described key actuation signal to described engine controller.
3. motor vehicle driven by mixed power driving engine on off control method according to claim 2, is characterized in that, in the time that described hybrid controller does not have et out of order, described method also comprises:
Second switch between closed described hybrid controller and described key start stop apparatus, so that described hybrid controller control motor drives hybrid car travel.
4. motor vehicle driven by mixed power driving engine on off control method according to claim 3, is characterized in that, described the first switch and second switch are respectively normally closed contact and the open contact of relay;
One end of described normally closed contact connects described engine controller, and the other end of described normally closed contact connects described key start stop apparatus;
One end of described open contact connects described hybrid controller, and the other end of described open contact connects described key start stop apparatus;
Described in described hybrid controller control the coil of relay whether electric, in the time of described hybrid controller fault, described coil losing electricity.
5. motor vehicle driven by mixed power driving engine on off control method according to claim 1, is characterized in that, described method also comprises:
If described hybrid controller does not have et out of order, whether the time length that detects described key actuation signal is at least very first time section;
If so, the described key actuation signal receiving is sent to described engine controller by described hybrid controller, made driving engine described in described engine controller controls start.
6. a motor vehicle driven by mixed power driving engine start-stop control system, is characterized in that, described system comprises: failure detector, key start stop apparatus, the first controller, hybrid controller and engine controller;
Described failure detector is connected with described hybrid controller;
Described hybrid controller is connected with described the first controller;
Described the first controller is connected with described key start stop apparatus;
Described key start stop apparatus is connected with described engine controller;
Wherein, described failure detector, for detection of whether et out of order of described hybrid controller, if so, controls described hybrid controller and activates described the first controller;
Described the first controller, sends key actuation signal for controlling described key start stop apparatus to described engine controller;
Described engine controller, for receiving described key actuation signal, control engine starts.
7. motor vehicle driven by mixed power driving engine start-stop control system according to claim 6, is characterized in that, described the first controller comprises: the first switch and on off controller;
Described the first switch is connected between described key start stop apparatus and described engine controller;
Described on off controller is connected with described the first switch;
Described hybrid controller is connected with described on off controller;
In the time that described failure detector detects described hybrid controller et out of order, the first switch closure described in described on off controller control, has made described key start stop apparatus send key actuation signal to described engine controller.
8. motor vehicle driven by mixed power driving engine start-stop control system according to claim 7, is characterized in that, described the first controller also comprises: second switch;
Described second switch is connected between described key start stop apparatus and described hybrid controller; Described on off controller is also connected with described second switch;
In the time that described failure detector detects described hybrid controller and there is no et out of order, described on off controller, also for controlling described second switch closure, makes described key start stop apparatus send described key actuation signal to described hybrid controller.
9. motor vehicle driven by mixed power driving engine start-stop control system according to claim 8, is characterized in that, described the first switch and second switch are respectively normally closed contact and the open contact of relay;
Described on off controller is the coil of described relay;
Described on off controller is also connected with described hybrid controller;
Described hybrid controller, also for the coil of controlling described relay whether electric, in the time of described hybrid controller fault, described coil losing electricity.
10. motor vehicle driven by mixed power driving engine start-stop control system according to claim 9, is characterized in that, described system also comprises: first with door;
The first pin of described hybrid controller connect described first with door first input end, the second pin of described hybrid controller connect described first with the second input end of door, described first with the coil of relay described in the mouth control of door whether electric;
In the time that described hybrid controller does not have et out of order, described the first pin and the second pin are all exported high level, and the coil of described relay obtains electric;
In the time of described hybrid controller et out of order, described the first pin output low level, the coil losing electricity of described relay.
11. motor vehicle driven by mixed power driving engine start-stop control systems according to claim 6, is characterized in that, described system also comprises: signal supervisory instrument;
Described signal supervisory instrument is connected with described hybrid controller;
Described signal supervisory instrument, whether the time length of the key actuation signal receiving for detection of described hybrid controller is at least very first time section, if so, sends the first executive signal to described hybrid controller;
Described hybrid controller, also for receiving described the first executive signal, and is sent to described engine controller by described key actuation signal.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696955A (en) * | 2017-02-24 | 2017-05-24 | 潍柴动力股份有限公司 | Starting signal obtaining circuit and method |
| WO2018177357A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| CN108674405A (en) * | 2017-03-31 | 2018-10-19 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN114228718A (en) * | 2022-01-18 | 2022-03-25 | 潍柴动力股份有限公司 | Control method and control system for braking of hybrid power tractor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353044A (en) * | 2008-08-29 | 2009-01-28 | 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 |
| CN101947915A (en) * | 2010-09-03 | 2011-01-19 | 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 |
| JP2013216204A (en) * | 2012-04-09 | 2013-10-24 | Toyota Motor Corp | Hybrid vehicle |
| US20140000245A1 (en) * | 2012-07-02 | 2014-01-02 | Denso Corporation | Control apparatus for hybrid vehicle |
-
2014
- 2014-08-15 CN CN201410403263.7A patent/CN104192142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353044A (en) * | 2008-08-29 | 2009-01-28 | 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 |
| CN101947915A (en) * | 2010-09-03 | 2011-01-19 | 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 |
| JP2013216204A (en) * | 2012-04-09 | 2013-10-24 | Toyota Motor Corp | Hybrid vehicle |
| US20140000245A1 (en) * | 2012-07-02 | 2014-01-02 | Denso Corporation | Control apparatus for hybrid vehicle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696955A (en) * | 2017-02-24 | 2017-05-24 | 潍柴动力股份有限公司 | Starting signal obtaining circuit and method |
| WO2018177357A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| CN108674405A (en) * | 2017-03-31 | 2018-10-19 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN114228718A (en) * | 2022-01-18 | 2022-03-25 | 潍柴动力股份有限公司 | Control method and control system for braking of hybrid power tractor |
| 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 |
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|---|---|
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