CN107962955A - Power-on and power-off control method, device and vehicle - Google Patents

Power-on and power-off control method, device and vehicle Download PDF

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Publication number
CN107962955A
CN107962955A CN201710967397.5A CN201710967397A CN107962955A CN 107962955 A CN107962955 A CN 107962955A CN 201710967397 A CN201710967397 A CN 201710967397A CN 107962955 A CN107962955 A CN 107962955A
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China
Prior art keywords
vehicle
pressure
power
charging
power mode
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Pending
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CN201710967397.5A
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Chinese (zh)
Inventor
卢素芬
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Borgward Automotive China Co Ltd
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Borgward Automotive China Co Ltd
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Priority to CN201710967397.5A priority Critical patent/CN107962955A/en
Publication of CN107962955A publication Critical patent/CN107962955A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Abstract

A kind of this disclosure relates to power mode above and below power-on and power-off control method, device and vehicle, including driving power-on and power-off and charging.First, when vehicle is in low pressure power-up state, determine the current power mode up and down of vehicle, be another power mode up and down by the current power-on and power-off pattern switching of vehicle according to the connection status of charging wire and charging interface, key status and high pressure connection status then.Therefore, using above-mentioned technical proposal, by power mode above and below the driving of vehicle and charging, power mode is merged up and down, after the current power mode up and down of vehicle is determined, by the connection status, key status and the high pressure connection status that consider charging wire and charging interface, more reasonably pattern switching sequential is set, realizing vehicle driving power-on and power-off and charging, the reasonable of power mode switches up and down, avoid vehicle driving a vehicle and in charge mode ineffectually switching, improve the pattern switching efficiency of vehicle and the high-voltage safety of vehicle.

Description

Power-on and power-off control method, device and vehicle
Technical field
This disclosure relates to technical field of vehicle, and in particular, to a kind of power-on and power-off control method, device and vehicle.
Background technology
It is increasingly prominent as the energy crisis of fuel using fossil with increasing rapidly for expanding economy and car ownership, The problem of environmental pollution brought therewith is also on the rise.Electronic vapour is widelyd popularize to solve the energy and pollution problem, countries in the world Car, compared with orthodox car, electric automobile has a set of high pressure driving system (including power battery, driving motor and high pressure Block terminal etc.) and a set of high pressure annex (DCDC, PTC and compressor of air conditioner etc.), wherein DCDC is DC-to-dc converter, PTC is electric heater.Wherein, electric automobile high-voltage drive system and high pressure annex are referred to as electric automobile high-voltage system.
Electric automobile high-voltage system powers on and there are high voltage and the jumping phenomenon of high current, power-on and power-off in lower electric process Sequential is most important, and sequential is improper to cause high-voltage contact sparking ablation, high-voltage insurance the failure such as to blow, and can even be made when serious Be adhered together into high-voltage contact, can not cutoff high accident, cause high-pressure system reliability reduce, the lost of life.Therefore, To ensure the safety of electric automobile high-voltage system, the service life of high-pressure system is lifted, designs rational high-pressure system power-on and power-off Control method is particularly significant.
The content of the invention
The purpose of the disclosure is to provide a kind of power-on and power-off control method, device and vehicle, exists to overcome in correlation technique The problem of.
To achieve these goals, according to the first aspect of the embodiment of the present disclosure, there is provided a kind of power-on and power-off control method, bag Include:
When vehicle is in low pressure power-up state, the current power mode up and down of the vehicle is determined;
When the current power mode up and down of the vehicle is driving power mode up and down, if detecting, charging wire is inserted into the car Charging interface, then by driving power-on and power-off pattern switching for charging up and down power mode;
The current power mode up and down of the vehicle for charging power mode up and down when, if detect the charging wire with it is described Connection disconnection, keyed ignition signal and high pressure between the charging interface of vehicle, which disconnect, to be completed, then by the power mode up and down that charges It is switched to driving power mode up and down.
Alternatively, when the current power mode up and down of the vehicle is driving power mode up and down, the method further includes:
The vehicle is detected with the presence or absence of forbidding electric fault in high pressure;
When the vehicle forbids electric fault in high pressure there is no described in, the high pressure for judging whether to obtain driver powers on meaning Figure;
When the high pressure for obtaining the driver powers on intention, send high pressure and power on instruction;
When definite high pressure powers on completion, open DCDC and enable and heat management function;
When the definite DCDC enables completion, open motor and enable;
When the definite motor enables completion, the vehicle, which enters, travels ready state.
Alternatively, the method further includes:
After the vehicle is in the ready state of traveling, if receiving electricity request under key or detecting institute Vehicle is stated there are high voltage fault, then unloads motor and high-low pressure annex;
When determining that the unloading motor is completed, high pressure open command is sent;
When determining the high pressure disconnection completion and being not detected by the keyed ignition signal, determine under the vehicle high-voltage Electricity is completed.
Alternatively, the method further includes:
Under the vehicle high-voltage after the completion of electricity, if the keyed ignition signal is detected, back to step:Detection institute Vehicle is stated with the presence or absence of forbidding electric fault in high pressure;Or
When high pressure disconnection does not complete and detects the keyed ignition signal, the keyed ignition signal is not responding to Untill determining that the high pressure power-off is completed.
Alternatively, when the current power mode up and down of the vehicle is charging power mode up and down, the method further includes:
When definite high pressure powers on completion, open DCDC and enable and heat management function;
Detect the vehicle and stop failure with the presence or absence of charging;
When the vehicle has charging stopping failure, send charging halt instruction and simultaneously unload high-low pressure annex;
When definite high pressure disconnects completion and is not detected by the power-up request of high pressure again of the driver, the car is determined Charging terminates.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of controller for electric consumption, described device up and down include:
First determining module, is configured as when vehicle is in low pressure power-up state, determine the vehicle it is current up and down Power mode;
First handover module, is configured as when the current power mode up and down of the vehicle is driving power mode up and down, if Detect that charging wire is inserted into the charging interface of the vehicle, be then power mode above and below charging by driving power-on and power-off pattern switching;
Second handover module, is configured as when the current power mode up and down of the vehicle is charging power mode up and down, if Detect that the connection disconnection between the charging interface of the charging wire and the vehicle, keyed ignition signal and high pressure have disconnected Into, then by charging power-on and power-off pattern switching for driving up and down power mode.
Alternatively, when the current power mode up and down of the vehicle is driving power mode up and down, described device further includes:
First detection module, is configured as detecting the vehicle with the presence or absence of forbidding electric fault in high pressure;
First judgment module, is configured as, when the vehicle forbids electric fault in high pressure there is no described in, judging whether The high pressure for obtaining driver powers on intention;
First sending module, is configured as, when the high pressure for obtaining the driver powers on intention, sending high pressure and powering on finger Order;
First opening module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
Second opening module, is configured as when the definite DCDC enables completion, opens motor and enables;
State Transferring module, is configured as when the definite motor enables completion, and the vehicle enters traveling and prepares just Not-ready status.
Alternatively, described device further includes:
First Unload module, is configured as after the vehicle is in the ready state of traveling, if receiving Electricity asks or detects that the vehicle there are high voltage fault, then unloads motor and high-low pressure annex under key;
Second sending module, is configured as, when determining that the unloading motor is completed, sending high pressure open command;
Second determining module, is configured as determining the high pressure disconnection completion and being not detected by the keyed ignition signal When, determine electricity completion under the vehicle high-voltage.
Alternatively, described device further includes:
Trigger module, is configured as under the vehicle high-voltage after the completion of electricity, if detecting the keyed ignition signal, touches Send out first detection module described and detect the vehicle with the presence or absence of forbidding electric fault in high pressure;Or
Control module, is configured as, when high pressure disconnection does not complete and detects the keyed ignition signal, not ringing The keyed ignition signal is answered untill determining that the high pressure power-off is completed.
Alternatively, when the current power mode up and down of the vehicle is charging power mode up and down, described device further includes:
3rd determining module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
Second detection module, is configured as detecting the vehicle with the presence or absence of charging stopping failure;
3rd sending module, is configured as, when the vehicle has charging stopping failure, sending charging halt instruction simultaneously Unload high-low pressure annex;
4th determining module, is configured as disconnecting in definite high pressure and completes and be not detected by the sub-high pressure again of the driver During power-up request, determine that the Vehicular charging terminates.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of vehicle, including:
High-pressure system, and the controller for electric consumption up and down described in the second aspect of the embodiment of the present disclosure.
Power mode and charging power-on and power-off mould above and below the power-on and power-off control method provided using the embodiment of the present disclosure, including driving Formula, first, when vehicle is in low pressure power-up state, determines the current power mode up and down of vehicle, then, according to charging wire with filling Connection status, key status and the high pressure connection status of electrical interface, by the current power-on and power-off pattern switching of vehicle on another kind Lower power mode.Therefore, using above-mentioned technical proposal, power mode above and below power mode above and below the driving of vehicle and charging is melted Close, after the current power mode up and down of vehicle is determined, by the connection status, the key that consider charging wire and charging interface State and high pressure connection status, set more reasonably pattern switching sequential, realize vehicle driving power-on and power-off and charging power-on and power-off The reasonable switching of pattern, avoids vehicle and is driving a vehicle and ineffectually switching in charge mode, improve the pattern switching effect of vehicle The high-voltage safety of rate and vehicle.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the schematic diagram for the power assembly that each embodiment of the disclosure is applicable in.
Fig. 2 is a kind of flow chart for power-on and power-off control method that the embodiment of the present disclosure provides.
Fig. 3 is the schematic diagram for the vehicle power-on and power-off pattern switching that the embodiment of the present disclosure is provided.
Fig. 4 is that the power mode up and down in vehicle currently is row in a kind of power-on and power-off control method that the embodiment of the present disclosure provides Flow chart above and below car during power mode.
Fig. 5 is that the power mode up and down in vehicle currently is to fill in a kind of power-on and power-off control method that the embodiment of the present disclosure provides Flow chart during electric power mode up and down.
Fig. 6 is a kind of block diagram for controller for electric consumption up and down that the embodiment of the present disclosure provides.
Description of reference numerals
100:Power assembly 101:Vehicle control system
102:Front-wheel drive system 103:Rear wheel drive system
104:Electrokinetic cell system 105:PTC
106:Compressor of air conditioner 107:High pressure junction box
108:Vehicular charger 109:DCDC
110:Alternating-current charging interface 111:Direct-current charging interface
112:CAN bus 1021:Preceding driving motor
1022:Preceding driving motor inverter 1023:Front driving axle
1031:Motor 1032 is driven afterwards:After drive motor inverter
1033:Rear driving axle 1041:Power battery
1042:Battery management system
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched The embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Under normal conditions, vehicle control system has taken into consideration only upper and lower under driving states in the flow of control power-on and power-off Electric control flow, does not consider the power-on and power-off control flow under charge mode.Consider to control the power-on and power-off under both of which at the same time Also only be to consider common power-on and power-off flow in flow, do not take into full account driving up and down power mode and charging up and down power mode it Between switching reasonability and flow in the abnormal operation state that is likely to occur, be also not provided with rational state switching sequence, cause Vehicle high-voltage system power-on and power-off control method (hereinafter referred to as vehicle power-on and power-off control method) is set not enough to improve with reasonable, there are car The problem of high-pressure system operational efficiency is low, and security is not high.
In order to solve the problems, such as that vehicle power-on and power-off control method is incomplete, vehicle driving power-on and power-off and charging power-on and power-off are realized Reasonable switching, prevent the phenomenon of frequent power-on and power-off, lift the service efficiency of high-pressure system and the security of vehicle power-on and power-off, this Open embodiment provides a kind of power-on and power-off control method.
Before the power-on and power-off control method of embodiment of the present disclosure offer is provided, each embodiment of the disclosure is applicable in first Power assembly be introduced.Please refer to Fig.1, Fig. 1 is the schematic diagram for the power assembly that each embodiment of the disclosure is applicable in.Such as figure Shown in 1, power assembly 100 includes vehicle control system (VMS) 101, front-wheel drive system 102, rear wheel drive system 103, dynamic Power battery system 104, electric heater (PTC) 105, compressor of air conditioner (EACP) 106, high pressure junction box (PDU) 107, vehicle-mounted fill Motor (OBC) 108, direct current transducer (DCDC) 109, alternating-current charging interface 110, direct-current charging interface 111 and CAN bus 112. Front-wheel drive system 102 includes preceding driving motor 1021, preceding driving motor inverter 1022 and front driving axle 1023, rear wheel drive System 103 drives motor 1031, rear driving motor inverter 1032 and rear driving axle 1033, electrokinetic cell system 104 after including Including power battery 1041 and battery management system (BMS) 1042.Wherein, preceding driving motor 1021, rear driving motor 1031, PTC105, DCDC109 and EACP106 share one piece of power battery 1041.
Vehicle control system 101 connects vehicle and driver interface, is driven according to what is obtained at driver interface The driving intention for the person of sailing, controls under the operating mode corresponding to driving intention of the vehicle operation in driver, and then realizes driver's Driving intention.Specifically, vehicle control system 101 judges to drive by pilot control accelerator pedal, brake pedal, gear etc. The driving intention for the person of sailing, and according to related components feedack, calculate driving, braking torque that vehicle operation needs, Available horsepower etc., is controlled related components by CAN bus 112 and rigid line connection, and will need alerting drivers Presentation of information show vehicle-state in instrument.The real-time monitoring car in vehicle operation of the meeting of vehicle control system 101 at the same time And each parts state, handled accordingly according to fault condition, ensure the safety of vehicle and driver.
Above is the explanation for the power assembly being applicable in each embodiment of the disclosure, below provides the embodiment of the present disclosure Power-on and power-off control method illustrates.
The power-on and power-off control method that the embodiment of the present disclosure provides, can be by vehicle in the vehicle with high-pressure system Control system 101 performs, and please refers to Fig.2, and Fig. 2 is a kind of flow chart for power-on and power-off control method that the embodiment of the present disclosure provides. As shown in Fig. 2, this method comprises the following steps:
Step S21:When vehicle is in low pressure power-up state, the current power mode up and down of the vehicle is determined;
Step S22:When the current power mode up and down of the vehicle is driving power mode up and down, if detecting, charging wire is inserted Enter the charging interface of the vehicle, be then power mode above and below charging by driving power-on and power-off pattern switching;
Step S23:When the current power mode up and down of the vehicle is charging power mode up and down, if detecting the charging Connection disconnection, keyed ignition signal and high pressure between the charging interface of line and the vehicle, which disconnect, to be completed, then by charging Lower power mode is switched to driving power mode up and down.
When vehicle in the step s 21 is in low pressure power-up state, vehicle low-pressure system is (for example, wagon control system at this time 101) system is activated.Wherein, the mode that vehicle low-pressure system is activated has and is not limited to following two possible embodiments.
The first possible embodiment is:Vehicle low-pressure system is activated using the mode of charging, lock is in vehicle Only under situation, driver is inserted into charging wire, and charging pile is connected with corresponding to the charging interface of the charging pile type on vehicle, Vehicle low-pressure system is activated using charger.
Second of possible embodiment be:Activated using key unlock vehicle, remote terminal solution lock & key rigid line Mode activates vehicle low-pressure system, and in the case where vehicle is in locking situation, driver can control car key to be in vehicle ON states are unlocked, or driver carries out remote de-locking using the operational order pre-set on the terminal device, So that the low-pressure system of vehicle is connected with low tension battery, vehicle low-pressure system is activated by low tension battery.
In the first possible embodiment that vehicle low-pressure system is activated, vehicle control system 101 can determine that car Current power mode up and down is charging power mode up and down.In second of possible embodiment that vehicle low-pressure system is activated In, no matter which kind of unlocking manner driver uses, and vehicle control system 101 need to detect whether charging wire connects first, according to filling The connection state of electric wire, determines the current power mode up and down of vehicle.
When vehicle is in low pressure power-up state, side that vehicle control system 101 can be activated according to vehicle low-pressure system Formula and the connection status of its charging wire detected can determine the current power mode up and down of the vehicle.Specifically, please join Fig. 3 is examined, Fig. 3 is the schematic diagram for the vehicle power-on and power-off pattern switching that the embodiment of the present disclosure is provided.
By taking Fig. 3 as an example, when vehicle is in low pressure power-up state, vehicle low-pressure system is activated, vehicle control system 101 Automatically detected, when detecting that charging wire is in not-connected status, it is determined that the current power mode up and down of vehicle is driving Upper and lower power mode.
The current power mode up and down of vehicle for driving power mode up and down when, if to want to terminate vehicle current by driver Charging wire, can directly be inserted on vehicle corresponding with the charging wire by driving power mode and when charging to the vehicle up and down Charging interface, vehicle control system 101 can according at charging interface information (for example, whether have at charging interface charging electricity Flow) charging interface of vehicle whether is inserted into detect charging wire, if there is charging current at charging interface, wagon control system The charging interface of the detectable charging wires insertion vehicles of system 101, so that it by driving power-on and power-off pattern switching is charging to control vehicle Upper and lower power mode.In the state of driver is intended to vehicle without charging, which will always be in upper and lower power mode of driving a vehicle, directly Detect that the vehicle is in unfaulty conditions to vehicle control system 101, and just control the vehicle to enter during electricity completion under high pressure Low pressure power-down state.
As shown in figure 3, when vehicle control system 101 detects that charging wire is in connection status, it is determined that vehicle is current Power mode up and down for charging up and down power mode.
When the current power mode up and down of vehicle is charging power mode up and down, driven if vehicle control system 101 detects When the person of sailing wants to terminate power mode above and below the current charging of vehicle and has the intention for driving the vehicle, that is, detect charging wire and car Charging interface between connection disconnection, keyed ignition signal and high pressure disconnect when completing signal, then control vehicle by filling Electric power-on and power-off pattern switching is power mode above and below driving.Be not detected by driver have drive the vehicle intention when, the vehicle Charging power mode up and down is constantly in, when detecting electricity completion under high pressure, just controls the vehicle to enter low pressure power-down state.
In the power-on and power-off control method that the embodiment of the present disclosure provides, including power mode and charging power-on and power-off mould above and below driving Formula, first, vehicle control system 101 can determine the current power mode up and down of vehicle when vehicle is in low pressure power-up state, Then, by considering connection status, key status and the high pressure connection status of charging wire and charging interface, carry out rational Mode state switches, specifically, when the current power mode up and down of vehicle is driving power mode up and down, vehicle control system 101 It need to detect that charging wire is inserted into the charging interface of the vehicle, could be power mode above and below charging by driving power-on and power-off pattern switching, Otherwise without the switching of pattern;When the current power mode up and down of vehicle is charging power mode up and down, charging wire need to be detected Connection disconnection, keyed ignition signal and high pressure between the charging interface of vehicle, which disconnect, to be completed, could be by power-on and power-off of charging Pattern switching is power mode above and below driving, otherwise also without the switching of pattern.
Therefore, using above-mentioned technical proposal, power mode above and below power mode above and below the driving of vehicle and charging is merged, After the current power mode up and down of vehicle is determined, by the connection status, the key shape that consider charging wire and charging interface State and high pressure connection status, set more reasonably pattern switching sequential, realize vehicle driving power-on and power-off and charging power-on and power-off mould The reasonable switching of formula, avoids vehicle and is driving a vehicle and ineffectually switching in charge mode, improve the pattern switching efficiency of vehicle With the high-voltage safety of vehicle.
Please refer to Fig.4, Fig. 4 be in a kind of power-on and power-off control method that the embodiment of the present disclosure provides vehicle it is current up and down Power mode is the flow chart above and below driving during power mode.As shown in figure 4, it is driving power-on and power-off in the current power mode up and down of vehicle During pattern, comprise the following steps:
Step S41:The vehicle is detected with the presence or absence of forbidding electric fault in high pressure;
Step S42:When the vehicle forbids electric fault in high pressure there is no described in, judge whether to obtain the height of driver Pressure powers on intention;
Step S43:When the high pressure for obtaining the driver powers on intention, send high pressure and power on instruction;
Step S44:When definite high pressure powers on completion, open DCDC and enable and heat management function;
Step S45:When the definite DCDC enables completion, open motor and enable;
Step S46:When the definite motor enables completion, the vehicle, which enters, travels ready state.
When the current power mode up and down of vehicle is driving power mode up and down, driver can drive the car according to driving intention , it is necessary to ensure that vehicle is in driving power up mode first, then vehicle control system 101 could root before vehicle traveling Judge driver's driving intention according to the state of pilot control accelerator pedal, brake pedal, gear, and according to related components Feedack, calculates vehicle and runs the driving needed, braking torque, available horsepower etc., and then controls vehicle according to driving The driving intention of member is travelled.
First, the driving to vehicle powers on flow and illustrates.
In order to realize that vehicle enters driving power up mode, first, vehicle control system 101 performs step S41, detects whether In the presence of forbidding electric fault in high pressure.Detect the vehicle there is no forbid electric fault in high pressure when, perform step S42, otherwise, Then it is transferred to fault mode.
Then, step S42 is performed, the high pressure for judging whether to obtain driver powers on intention.Wherein, in the high pressure of driver Electricity is intended to detect the state of brake pedal by vehicle control system 101, and range state and key status etc. obtain.Obtaining The high pressure of driver when powering on intention, perform step S43, otherwise, vehicle control system 101 is still in the height for judging driver Pressure powers on the state of intention, after the high pressure until that can obtain driver powers on intention, performs step S43.
Then, step S43 is performed, when the high pressure that vehicle control system 101 obtains driver powers on intention, sends high pressure Instruction is powered on, for battery management system 1042 after receiving the high pressure and powering on instruction, control relay closure, realizes power battery The control that the precharge of system 104 and high pressure power on, and detect in real time, and the internal state is fed back into vehicle control system 101, whether vehicle control system 101 determines that high pressure powers on according to 104 internal state of electrokinetic cell system and completes, if it is determined that high Pressure powers on completions, then performs step S44, whether otherwise determines whether duration that high pressure powers on more than the first preset duration, this It is that first preset duration is set when can be dispatched from the factory with electrokinetic cell system 104 or driver is voluntarily set.If high pressure The duration powered on is then transferred to fault mode, if the duration that high pressure powers on is preset not less than first more than the first preset duration Long, then vehicle control system 101 continues to determine that high pressure powers on according to 104 internal state of electrokinetic cell system whether complete, until When determining duration that high pressure powers on more than the first preset duration, fault mode is transferred to, or when determining that high pressure powers on completion, Perform step S44.
Then, step S44 is performed, when definite high pressure powers on completion, the unlatching of vehicle control system 101 DCDC is enabled and heat Management function.When vehicle control system 101 is opened DCDC and enabled, the feedback information of DCDC states is also received, is being received When DCDC enables completion, step S45 is performed, when otherwise determining whether open the duration that DCDC is enabled presets more than second It is long, enabled if opening DCDC more than the second preset duration, be transferred to fault mode, enabled if opening DCDC not less than second Preset duration, then vehicle control system 101 continue on DCDC and enable, when determining that opening DCDC enables default more than second When long, fault mode is transferred to, or when determining that DCDC enables completion, perform step S45.
Then, step S45 is performed, when definite DCDC enables completion, vehicle control system 101 is opened motor and is enabled, its In, motor includes preceding driving motor 1021 and rear driving motor 1031.When vehicle control system 101 is opened motor and is enabled, The feedback information of motor status is received, when receiving motor and enabling completion, step S46 is performed, otherwise determines whether to open Whether motor is enabled more than the 3rd preset duration, is enabled if opening motor more than the 3rd preset duration, is transferred to fault mode, If unlatching motor is enabled not less than three preset durations, vehicle control system 101 continues on motor and enables, until true Surely when unlatching motor is enabled more than three preset durations, fault mode is transferred to, or when determining that motor enables completion, perform Step S46.
Finally, step S46 is performed, when definite motor enables completion, the driving of vehicle powers on flow completion, and vehicle enters Ready state is travelled, driver can be by manipulating gear, accelerator pedal etc., control vehicle traveling.
Then, electric current journey under the driving of vehicle is illustrated.Alternatively, as described in Figure 4, in the current power-on and power-off of vehicle It is further comprising the steps of in addition to including step S41-S46 when pattern is power mode above and below driving:
Step S47:After the vehicle is in the ready state of the traveling, if receive under key electricity request or Detect that the vehicle there are high voltage fault, then unloads motor and high-low pressure annex;
Step S48:When determining that the unloading motor is completed, high pressure open command is sent;
Step S49:When determining the high pressure disconnection completion and being not detected by the keyed ignition signal, the car is determined Electricity is completed under high pressure.
After vehicle is in the ready state of traveling, vehicle is likely to be at following two states:One kind is car In ready state is travelled, vehicle does not travel also in this condition;Another kind is under transport condition for vehicle, at this Vehicle is travelled according to states such as pilot control pedal, gears under state.
When vehicle is in and travels ready state, if vehicle control system 101 is received under the driving of driver Electricity is intended to (for example, when car key is turned to OFF state by driver) or detects the vehicle there are during high voltage fault, then Motor and high-low pressure annex are unloaded, motor and high-low pressure annex is in off position.Wherein, which includes prohibiting Only high pressure powers on, high pressure is powered on to enable to enable more than the second preset duration and motor more than the first preset duration, DCDC and exceeded The state of 3rd preset duration.When detecting any one state of four kinds of states of the above, you can it is high to determine that the vehicle exists Press failure.
When vehicle control system 101 unloads motor, it is necessary to send unloading command, while vehicle control system to motor 101 detect the feedback states of motor sending in the 4th preset duration that unloading command starts, electricity is determined according to the feedback states Whether machine unloads completion, when determining that unloading motor is completed, performs step S48, otherwise determines whether the duration of unloading motor Whether more than the 5th preset duration, if the duration of unloading motor performs step S48, if unloaded more than the 5th preset duration The duration of load motor continues whether detection unloading motor is completed not less than the 5th preset duration, then vehicle control system 101, until When determining that unloading motor is completed, or the duration for determining unloading motor performs step S48 more than the 5th preset duration.
Determining that unloading motor is completed or the duration of unloading motor is more than the 5th preset duration, vehicle control system 101 High pressure open command is sent to electrokinetic cell system 104, battery management system 1042 is sentenced after the high pressure open command is received The size of current that disconnected power battery 1041 exports, when the electric current of output is less than predetermined threshold value, controls inside power battery 1041 Relay disconnect, and then realize high pressure disconnect.
Battery management system 1042 is when receiving the high pressure open command, while by the feedback of status of power battery 1041 To vehicle control system 101, vehicle control system 101 judges whether high pressure disconnects complete according to the feedback states of power battery 1041 Into when definite high pressure disconnects completion, whether execution step S49, otherwise determine whether the duration of high pressure disconnection more than the 6th Preset duration, if the duration that high pressure disconnects performs step S49, if the duration that high pressure disconnects more than the 6th preset duration Not less than the 6th preset duration, then vehicle control system 101 continues to judge that height is broken according to the feedback states of power battery 1041 Open and whether complete, completed until determining that high pressure disconnects, or the duration that definite high pressure disconnects performs step more than the 6th preset duration Rapid S49.
Determining that high pressure disconnection is completed or the duration of high pressure disconnection is more than the 6th preset duration, and be not detected by driver Keyed ignition signal when, then vehicle control system 101 can determine that electricity is completed under the high pressure of vehicle, i.e., it is lower electric to complete driving for vehicle Flow, in the lower power mode state of driving.
Alternatively, this method further includes:
Under the vehicle high-voltage after the completion of electricity, if the keyed ignition signal is detected, back to step:Detection institute Vehicle is stated with the presence or absence of forbidding electric fault in high pressure;Or
When high pressure disconnection does not complete and detects the keyed ignition signal, the keyed ignition signal is not responding to Untill determining that the high pressure power-off is completed.
After the completion of electricity under vehicle high-voltage, if driver wants to be again started up the vehicle, key can be in ON shapes State, unlocks activation vehicle control system 101, vehicle control system 101 controls vehicle by lower power mode switching of driving a vehicle by key To driving power up mode, perform driving and power on flow, specific driving powers on flow as it was noted above, details are not described herein again.
Under the driving of vehicle in electric current journey, when high pressure disconnects unfinished, if detecting keyed ignition signal, vehicle control System 101 processed is not responding to the keyed ignition signal, the lower electric current journey of driving is continued to execute, until completing electric current under the driving of the vehicle After journey, keyed ignition signal is just responded, the lower power mode of driving is switched to driving power up mode.
Using above-mentioned technical proposal, under the driving power up mode of vehicle and driving in power mode, based on the actual use of consideration Existing frequently power-on and power-off problem, by setting power-on and power-off pattern switching sequential of more reasonably driving a vehicle, both makes vehicle during car Control system can respond the frequent power-on and power-off request of driver, also improve the convenience in the actual use of vehicle high-voltage system Property, while the frequent driving power-on and power-off request for avoiding driver causes to damage to motor, improves the peace of vehicle high-voltage system Quan Xing.
Refer to Fig. 5, Fig. 5 be in a kind of power-on and power-off control method that the embodiment of the present disclosure provides vehicle it is current up and down Power mode is the flow chart above and below charging during power mode.As shown in figure 5, it is charging power-on and power-off in the current power mode up and down of vehicle During pattern, comprise the following steps:
Step S51:When definite high pressure powers on completion, open DCDC and enable and heat management function;
Step S52:Detect the vehicle and stop failure with the presence or absence of charging;
Step S53:When the vehicle has charging and stops failure, send charging halt instruction and to unload high-low pressure attached Part;
Step S54:When definite high pressure disconnects completion and is not detected by the power-up request of high pressure again of the driver, really The fixed Vehicular charging terminates.
In order to realize that vehicle enters charging power mode up and down, first, vehicle control system 101 is according to power battery 1041 Whether feedback states determine that high pressure powers on and complete, and when definite high pressure powers on completion, open DCDC and enable and heat management function.Its Mesohigh, which powers on, completes high-voltage charging connection completion, can detect charging current at the charging interface of vehicle at this time.
In addition, when definite high pressure powers on completion, open DCDC and enable and heat management function, specifically, wagon control system System 101 sends unlatching DCDC to DCDC and enables instruction, and is sent to PTC and open heat management function command.
DCDC enable with heat management function open after, vehicle be in charging power up mode, to power battery 1041 into Row charging, in charging process is carried out to power battery 1041, performs step S52, vehicle control system 101 persistently detects vehicle With the presence or absence of charging stop failure, the charging stop failure can be that DCDC is not enabled on, in can not working status or PTC breaks down, and can not carry out heat management function, it is also possible to which both the above situation exists at the same time.
Then, step S53 is performed, when detecting that the vehicle has charging stopping failure, vehicle enters the lower electric mould of charging Formula, vehicle control system 101 send charging halt instruction to battery management system 1042, and battery management system 1042 receives this Complete charge after charging halt instruction.Meanwhile vehicle control system 101 unloads high-low pressure annex, which includes DCDC, PTC and other high-low pressure annexes.
Then, step S54 is performed, when determining that unloading high-low pressure annex is completed, battery management system 1042 is received and feeds back High pressure disconnect the state whether completed, determine high pressure disconnect complete or high pressure to disconnect the duration completed default more than the 7th Duration, and when being not detected by the power-up request of high pressure again of driver, determine that Vehicular charging terminates.
In addition, in charging process is carried out to power battery, battery management system 1042 detects power battery in real time 1041 charged state, and by the feedback of status to vehicle control system 101, after to 1041 charging complete of power battery, The charging power up mode of vehicle is switched to the lower power mode of charging by vehicle control system 101, and electric current journey is as before under the charging of vehicle Described in text, details are not described herein again.
Using above-mentioned technical proposal, under the charging power up mode of vehicle and charging in power mode, based on the actual use of consideration There may exist during car because be again turned on charging after charging termination caused by failure or driver ask the problem of, pass through Rational charging power-on and power-off pattern switching sequential is set, vehicle control system is responded after the charging of high-pressure system again Secondary charge request, improves the convenience in the actual use of vehicle high-voltage system.
Based on same inventive concept, the embodiment of the present disclosure also provides a kind of controller for electric consumption up and down.Fig. 6 is refer to, Fig. 6 is A kind of block diagram for controller for electric consumption up and down that the embodiment of the present disclosure provides.As shown in fig. 6, the device 600 includes:
First determining module 601, is configured as when vehicle is in low pressure power-up state, determines current upper of the vehicle Lower power mode;
First handover module 602, is configured as when the current power mode up and down of the vehicle is driving power mode up and down, If detecting, charging wire is inserted into the charging interface of the vehicle, is power mode above and below charging by driving power-on and power-off pattern switching;
Second handover module 603, is configured as when the current power mode up and down of the vehicle is charging power mode up and down, If detecting, the connection disconnection between the charging interface of the charging wire and the vehicle, keyed ignition signal and high pressure disconnect Complete, be then power mode above and below driving by charging power-on and power-off pattern switching.
Alternatively, when the current power mode up and down of the vehicle is driving power mode up and down, described device further includes:
First detection module, is configured as detecting the vehicle with the presence or absence of forbidding electric fault in high pressure;
First judgment module, is configured as, when the vehicle forbids electric fault in high pressure there is no described in, judging whether The high pressure for obtaining driver powers on intention;
First sending module, is configured as, when the high pressure for obtaining the driver powers on intention, sending high pressure and powering on finger Order;
First opening module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
Second opening module, is configured as when the definite DCDC enables completion, opens motor and enables;
State Transferring module, is configured as when the definite motor enables completion, and the vehicle enters traveling and prepares just Not-ready status.
Alternatively, described device further includes:
First Unload module, is configured as after the vehicle is in the ready state of traveling, if receiving Electricity asks or detects that the vehicle there are high voltage fault, then unloads motor and high-low pressure annex under key;
Second sending module, is configured as, when determining that the unloading motor is completed, sending high pressure open command;
Second determining module, is configured as determining the high pressure disconnection completion and being not detected by the keyed ignition signal When, determine electricity completion under the vehicle high-voltage.
Alternatively, described device further includes:
Trigger module, is configured as under the vehicle high-voltage after the completion of electricity, if detecting the keyed ignition signal, touches Send out first detection module described and detect the vehicle with the presence or absence of forbidding electric fault in high pressure;Or
Control module, is configured as, when high pressure disconnection does not complete and detects the keyed ignition signal, not ringing The keyed ignition signal is answered untill determining that the high pressure power-off is completed.
Alternatively, when the current power mode up and down of the vehicle is charging power mode up and down, described device further includes:
3rd determining module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
Second detection module, is configured as detecting the vehicle with the presence or absence of charging stopping failure;
3rd sending module, is configured as, when the vehicle has charging stopping failure, sending charging halt instruction simultaneously Unload high-low pressure annex;
4th determining module, is configured as disconnecting in definite high pressure and completes and be not detected by the sub-high pressure again of the driver During power-up request, determine that the Vehicular charging terminates.
Based on same inventive concept, the embodiment of the present disclosure additionally provides a kind of vehicle, including:
High-pressure system, and the controller for electric consumption up and down of the embodiment of the present disclosure.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in related this method Embodiment in be described in detail, explanation will be not set forth in detail herein.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought, it should equally be considered as disclosure disclosure of that.

Claims (11)

  1. A kind of 1. power-on and power-off control method, it is characterised in that including:
    When vehicle is in low pressure power-up state, the current power mode up and down of the vehicle is determined;
    When the current power mode up and down of the vehicle is driving power mode up and down, if detecting, charging wire is inserted into the vehicle Charging interface, then be power mode above and below charging by driving power-on and power-off pattern switching;
    When the current power mode up and down of the vehicle is charging power mode up and down, if detecting the charging wire and the vehicle Charging interface between connection disconnection, keyed ignition signal and high pressure disconnect and completing, then by charging power-on and power-off pattern switching For power mode up and down of driving a vehicle.
  2. 2. according to the method described in claim 1, it is characterized in that, above and below the current power mode up and down of the vehicle is driving During power mode, the method further includes:
    The vehicle is detected with the presence or absence of forbidding electric fault in high pressure;
    When the vehicle forbids electric fault in high pressure there is no described in, the high pressure for judging whether to obtain driver powers on intention;
    When the high pressure for obtaining the driver powers on intention, send high pressure and power on instruction;
    When definite high pressure powers on completion, open DCDC and enable and heat management function;
    When the definite DCDC enables completion, open motor and enable;
    When the definite motor enables completion, the vehicle, which enters, travels ready state.
  3. 3. according to the method described in claim 2, it is characterized in that, the method further includes:
    After the vehicle is in the ready state of traveling, if receiving electricity request under key or detecting the car There are high voltage fault, then motor and high-low pressure annex are unloaded;
    When determining that the unloading motor is completed, high pressure open command is sent;
    When determining the high pressure disconnection completion and being not detected by the keyed ignition signal, determine that electricity is complete under the vehicle high-voltage Into.
  4. 4. according to the method described in claim 3, it is characterized in that, the method further includes:
    Under the vehicle high-voltage after the completion of electricity, if the keyed ignition signal is detected, back to step:Detect the car With the presence or absence of forbidding electric fault in high pressure;Or
    Disconnect and not completing and when detecting the keyed ignition signal in the high pressure, be not responding to the keyed ignition signal until Untill determining that the high pressure power-off is completed.
  5. 5. according to the method described in claim 1, it is characterized in that, above and below the current power mode up and down of the vehicle is charging During power mode, the method further includes:
    When definite high pressure powers on completion, open DCDC and enable and heat management function;
    Detect the vehicle and stop failure with the presence or absence of charging;
    When the vehicle has charging stopping failure, send charging halt instruction and simultaneously unload high-low pressure annex;
    When definite high pressure disconnects completion and is not detected by the power-up request of high pressure again of the driver, determine that the vehicle fills Electricity terminates.
  6. A kind of 6. controller for electric consumption up and down, it is characterised in that including:
    First determining module, is configured as, when vehicle is in low pressure power-up state, determining the current power-on and power-off mould of the vehicle Formula;
    First handover module, is configured as when the current power mode up and down of the vehicle is driving power mode up and down, if detection The charging interface of the vehicle is inserted into charging wire, then is power mode above and below charging by driving power-on and power-off pattern switching;
    Second handover module, is configured as when the current power mode up and down of the vehicle is charging power mode up and down, if detection Connection disconnection, keyed ignition signal and high pressure between to the charging interface of the charging wire and the vehicle, which disconnect, to be completed, It is then power mode above and below driving by charging power-on and power-off pattern switching.
  7. 7. device according to claim 6, it is characterised in that above and below the current power mode up and down of the vehicle is driving During power mode, described device further includes:
    First detection module, is configured as detecting the vehicle with the presence or absence of forbidding electric fault in high pressure;
    First judgment module, is configured as, when the vehicle forbids electric fault in high pressure there is no described in, judging whether to obtain The high pressure of driver powers on intention;
    First sending module, is configured as, when the high pressure for obtaining the driver powers on intention, sending high pressure and powering on instruction;
    First opening module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
    Second opening module, is configured as when the definite DCDC enables completion, opens motor and enables;
    State Transferring module, is configured as when the definite motor enables completion, and the vehicle, which enters, travels ready shape State.
  8. 8. device according to claim 7, it is characterised in that described device further includes:
    First Unload module, is configured as after the vehicle is in the ready state of traveling, if receiving key Lower electricity request detects that the vehicle there are high voltage fault, then unloads motor and high-low pressure annex;
    Second sending module, is configured as, when determining that the unloading motor is completed, sending high pressure open command;
    Second determining module, is configured as when determining the high pressure disconnection completion and being not detected by the keyed ignition signal, Determine electricity completion under the vehicle high-voltage.
  9. 9. device according to claim 8, it is characterised in that described device further includes:
    Trigger module, is configured as under the vehicle high-voltage after the completion of electricity, if detecting the keyed ignition signal, triggers institute State first detection module and detect the vehicle with the presence or absence of forbidding electric fault in high pressure;Or
    Control module, is configured as, when high pressure disconnection does not complete and detects the keyed ignition signal, being not responding to institute Keyed ignition signal is stated untill determining that the high pressure power-off is completed.
  10. 10. device according to claim 6, it is characterised in that in the current power mode up and down of the vehicle in charging During lower power mode, described device further includes:
    3rd determining module, is configured as when definite high pressure powers on completion, opens DCDC and enables and heat management function;
    Second detection module, is configured as detecting the vehicle with the presence or absence of charging stopping failure;
    3rd sending module, is configured as, when the vehicle has charging stopping failure, sending charging halt instruction and simultaneously unloading High-low pressure annex;
    4th determining module, the sub-high pressure again for being configured as disconnecting completion in definite high pressure and being not detected by the driver power on During request, determine that the Vehicular charging terminates.
  11. A kind of 11. vehicle, it is characterised in that including:
    High-pressure system, and such as controller for electric consumption above and below claim 6-10 any one of them.
CN201710967397.5A 2017-10-17 2017-10-17 Power-on and power-off control method, device and vehicle Pending CN107962955A (en)

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