CN108394281A - Whole-vehicle power-on and power-off control method and device for electric vehicle and electric vehicle - Google Patents

Whole-vehicle power-on and power-off control method and device for electric vehicle and electric vehicle Download PDF

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Publication number
CN108394281A
CN108394281A CN201810403434.4A CN201810403434A CN108394281A CN 108394281 A CN108394281 A CN 108394281A CN 201810403434 A CN201810403434 A CN 201810403434A CN 108394281 A CN108394281 A CN 108394281A
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China
Prior art keywords
electric source
source modes
vehicle electric
vehicle
signal
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CN201810403434.4A
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Chinese (zh)
Inventor
王金龙
易迪华
张兆龙
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Priority to CN201810403434.4A priority Critical patent/CN108394281A/en
Publication of CN108394281A publication Critical patent/CN108394281A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a method and a device for controlling the whole electric automobile to be powered on and powered off and an electric automobile, wherein the method for controlling the whole electric automobile to be powered on and powered off comprises the following steps: acquiring a current finished automobile power supply mode, wherein the finished automobile power supply mode comprises the following steps: a low-voltage power-down mode, a low-voltage power supply mode, a driving mode, a charging mode, a high-voltage charging mode or a high-voltage fault power-down mode; acquiring the power on and power off requirements of a user; and controlling the vehicle to switch the whole vehicle power supply mode according to the current whole vehicle power supply mode and the power on-off requirements of the user. According to the embodiment of the invention, based on the current power supply mode of the whole vehicle, the difference of the working conditions of the electric vehicle and the traditional vehicle is fully considered, the high-voltage power-on and low-voltage power-on intentions of the whole vehicle are optimized, and the high-voltage and low-voltage power-on and power-off control logics under various working conditions are determined, so that the power-on and power-off requirements of users are met, and the user experience is improved.

Description

A kind of electric automobile whole power-on and power-off control method, device and electric vehicle
Technical field
The present invention relates to electric vehicle field more particularly to a kind of electric automobile whole power-on and power-off control method, device and Electric vehicle.
Background technology
Current electric automobile whole power-on and power-off control method, the judgement being intended to for vehicle power-on and power-off is to continue to use traditional vapour The control method of vehicle does not account for the practical situations of pure electric automobile, it may appear that is judged by accident when inserting charging gun or complete vehicle fault The case where power-on and power-off are intended to, causes high and low pressure system user experience can not be made to become very poor by user view power-on and power-off.Together When, due to the erroneous judgement to user view, the especially erroneous judgement of high pressure power-on and power-off intention, it is also possible to influence the personal safety of user.
Invention content
In order to solve the above technical problem, the present invention provides a kind of electric automobile whole power-on and power-off control method, devices And electric vehicle, it solves and does not cause the mistake being intended to user's power-on and power-off because accounting for the practical situations of pure electric automobile The problem of sentencing.
One side according to the present invention provides a kind of electric automobile whole power-on and power-off control method, including：
Current vehicle electric source modes are obtained, the vehicle electric source modes include：Power mode, low-voltage power supply mould under low pressure Power mode under formula, drive mode, charge mode, high-voltage charging pattern or high voltage fault；
Obtain the electricity demanding up and down of user；
According to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switches vehicle power supply mould Formula.
Optionally, the step of electricity demanding up and down for obtaining user includes：
Obtain the Vehicular status signal after user operates vehicle under current vehicle electric source modes, the vehicle Status signal includes：Start and stop key state signal, brake signal, charging gun connection status signal, vehicle shift signal, charge port At least one of open state signal and high-pressure system fault-signal；
The electricity demanding up and down of user is judged according to current vehicle electric source modes and the Vehicular status signal.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes includes：
In power mode under presently described vehicle electric source modes are low pressure, presses switch to open signal, control if receiving start and stop Vehicle electric source modes processed are switched to a low-voltage power supply mode；
In power mode under presently described vehicle electric source modes are low pressure, if receiving charging gun connection signal, control Vehicle electric source modes are switched to high-voltage charging pattern；
In power mode under presently described vehicle electric source modes are low pressure, press switch to open signal and system if receiving start and stop Dynamic signal, then control vehicle electric source modes and be switched to drive mode.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes further includes：
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal, control Vehicle electric source modes processed are switched to power mode under low pressure；
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal and braking Signal then controls vehicle electric source modes and is switched to drive mode；
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving charging gun connection signal, control Vehicle electric source modes are switched to charge mode.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes further includes：
When presently described vehicle electric source modes are drive mode, if receiving charging gun connection signal, vehicle is controlled Electric source modes are switched to charge mode；
When presently described vehicle electric source modes are drive mode, vehicle is controlled if receiving start and stop button shutdown signal Electric source modes are switched to power mode under low pressure；
When presently described vehicle electric source modes are drive mode, if receiving start and stop button shutdown signal and braking letter Number, then it controls vehicle electric source modes and is switched to power mode under low pressure；
When presently described vehicle electric source modes are drive mode, if receive vehicle gear be parking shift P keep off signal with And charge port open signal, then it controls vehicle electric source modes and is switched to a low-voltage power supply mode；
When presently described vehicle electric source modes are drive mode, if receiving high-pressure system fault-signal, control whole Vehicle electric source modes are switched to power mode under high voltage fault.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes further includes：
When presently described vehicle electric source modes are charge mode, if receiving charging gun cut-off signal, vehicle is controlled Electric source modes are switched to a low-voltage power supply mode；
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal, control whole Vehicle electric source modes are switched to high-voltage charging pattern；
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal and braking letter Number, then it controls vehicle electric source modes and is switched to high-voltage charging pattern.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes further includes：
When presently described vehicle electric source modes are high-voltage charging pattern, press switch to open signal, control if receiving start and stop Vehicle electric source modes processed are switched to charge mode；
When presently described vehicle electric source modes are high-voltage charging pattern, press switch to open signal and system if receiving start and stop Dynamic signal, then control vehicle electric source modes and be switched to charge mode；
When presently described vehicle electric source modes are high-voltage charging pattern, if receiving charging gun cut-off signal, control Vehicle electric source modes are switched to power mode under low pressure.
Optionally, according to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switching is whole The step of vehicle electric source modes further includes：
In power mode under presently described vehicle electric source modes are high voltage fault, if receiving start and stop button shutdown signal, It then controls vehicle electric source modes and is switched to power mode under low pressure；
Presently described vehicle electric source modes be high voltage fault under power mode when, if receive start and stop button shutdown signal with And brake signal, then it controls vehicle electric source modes and is switched to power mode under low pressure.
Other side according to the present invention provides a kind of upper and lower controller for electric consumption of electric automobile whole, including：
First acquisition module, for obtaining current vehicle electric source modes, the vehicle electric source modes include：It is electric under low pressure Power mode under pattern, a low-voltage power supply mode, drive mode, charge mode, high-voltage charging pattern or high voltage fault；
Second acquisition module, the electricity demanding up and down for obtaining user；
Control module controls vehicle for the electricity demanding up and down according to the current vehicle electric source modes and user Switch vehicle electric source modes.
Optionally, second acquisition module includes：
First acquisition unit, for obtaining the vehicle after user operates vehicle under current vehicle electric source modes Status signal, the Vehicular status signal include：Start and stop key state signal, brake signal, charging gun connection status signal, vehicle At least one of shift signal, charge port open state signal and high-pressure system fault-signal；
Judging unit, for judging that user's is upper and lower according to current vehicle electric source modes and the Vehicular status signal Electricity demanding.
Optionally, the control module includes：
First control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop Press switch to open signal, then controls vehicle electric source modes and be switched to a low-voltage power supply mode；
Second control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving charging Rifle connection signal then controls vehicle electric source modes and is switched to high-voltage charging pattern；
Third control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop Press switch to open signal and brake signal, then controls vehicle electric source modes and be switched to drive mode.
Optionally, the control module further includes：
4th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop Button shutdown signal then controls vehicle electric source modes and is switched to power mode under low pressure；
5th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop Button shutdown signal and brake signal then control vehicle electric source modes and are switched to drive mode；
6th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving charging Rifle connection signal then controls vehicle electric source modes and is switched to charge mode.
Optionally, the control module further includes：
7th control unit, for when presently described vehicle electric source modes are drive mode, connecting if receiving charging gun Signal is connect, then controls vehicle electric source modes and is switched to charge mode；
8th control unit is used for when presently described vehicle electric source modes are drive mode, if receiving start and stop button Shutdown signal then controls vehicle electric source modes and is switched to power mode under low pressure；
9th control unit is used for when presently described vehicle electric source modes are drive mode, if receiving start and stop button Shutdown signal and brake signal then control vehicle electric source modes and are switched to power mode under low pressure；
Tenth control unit is used for when presently described vehicle electric source modes are drive mode, if receiving vehicle gear Signal and charge port open signal are kept off for parking shift P, then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
11st control unit is used for when presently described vehicle electric source modes are drive mode, if receiving high pressure system System fault-signal, then control vehicle electric source modes and be switched to power mode under high voltage fault.
Optionally, the control module further includes：
12nd control unit is used for when presently described vehicle electric source modes are charge mode, if receiving charging gun Cut-off signal then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
13rd control unit, for presently described vehicle electric source modes be charge mode when, if receive start and stop by Key shutdown signal then controls vehicle electric source modes and is switched to high-voltage charging pattern；
14th control unit, for presently described vehicle electric source modes be charge mode when, if receive start and stop by Key shutdown signal and brake signal then control vehicle electric source modes and are switched to high-voltage charging pattern.
Optionally, the control module further includes：
15th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being opened if receiving Stop the signal that presses switch to open, then controls vehicle electric source modes and be switched to charge mode；
16th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being opened if receiving Stop press switch to open signal and brake signal, then controls vehicle electric source modes and be switched to charge mode；
17th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being filled if receiving Electric rifle cut-off signal then controls vehicle electric source modes and is switched to power mode under low pressure.
Optionally, the control module further includes：
18th control unit is used in power mode under presently described vehicle electric source modes are high voltage fault, if receiving To start and stop button shutdown signal, then controls vehicle electric source modes and be switched to power mode under low pressure；
19th control unit is used in power mode under presently described vehicle electric source modes are high voltage fault, if receiving To start and stop button shutdown signal and brake signal, then controls vehicle electric source modes and be switched to power mode under low pressure.
Another aspect according to the present invention provides a kind of electric vehicle, including above-mentioned electric automobile whole or more Controller for electric consumption.
The advantageous effect of the embodiment of the present invention is：
Electric automobile whole power-on and power-off control method in said program is fully examined based on the current electric source modes of vehicle The difference for having considered the work operating mode of electric vehicle and traditional vehicle, powers on the high pressure of vehicle and low pressure powers on intention and optimizes, Specify that the high-low pressure power-on and power-off control logic under each operating mode improves user experience to meet the electricity demanding up and down of user.
Description of the drawings
Fig. 1 shows the flow charts of the electric automobile whole power-on and power-off control method of the embodiment of the present invention；
The idiographic flow schematic diagram of step 12 in Fig. 1 of Fig. 2 expression embodiment of the present invention；
Fig. 3 indicates the vehicle of the embodiment of the present invention or more electric control system block diagram；
Fig. 4 indicates the switching state schematic diagram of the vehicle electric source modes of the embodiment of the present invention；
Fig. 5 indicates the structure diagram of the electric automobile whole of the embodiment of the present invention or more controller for electric consumption；
The concrete structure block diagram of second acquisition module in Fig. 5 of Fig. 6 expression embodiment of the present invention.
Specific implementation mode
Exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing the present invention in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here It is limited.It is to be able to be best understood from the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention Completely it is communicated to those skilled in the art.
As shown in Figure 1, the embodiment provides a kind of electric automobile whole power-on and power-off control methods, including：
Step 11 obtains current vehicle electric source modes, and the vehicle electric source modes include：Power mode, low pressure under low pressure Power mode under powering mode, drive mode, charge mode, high-voltage charging pattern or high voltage fault；
Step 12, the electricity demanding up and down for obtaining user；
The electricity demanding up and down of step 13, basis current the vehicle electric source modes and user, control vehicle switching are whole Vehicle electric source modes.
In the embodiment, power mode refers to vehicle and does not power under the low pressure, and acquiescence low-pressure system is not powered, at high-pressure system In notconnect state, i.e. OFF mode；The a low-voltage power supply mode refers to the power supply of vehicle low-pressure system, i.e. ON patterns；The driving mould Formula can be expressed as READY patterns, refer to the power supply of vehicle low-pressure system, and the antitheft certification of power is completed, and high-pressure system, which is in, to be connected Connect state；The charge mode can be expressed as ON_CHG (ON_CHARGE, abbreviation ON_CHG) pattern, refer to vehicle low-pressure system Power supply, high-pressure system is in connection status and power battery is in charged state；The high-voltage charging pattern can be expressed as CHG (CHARGE, abbreviation CHG) pattern, refers to that low-pressure system is not powered, high-pressure system is in connection status and power battery is in charging State；Power mode can be expressed as ON_Hved patterns under the high voltage fault, refer in a power-up cycle, and low-pressure system supplies Electricity and vehicle completed high pressure conditions, but since high voltage fault leads to electricity under high pressure.
Entire car controller (Vehicle Control Unit, abbreviation VCU) obtains current vehicle electric source modes in real time, and Whether whether brake signal, trickle charge rifle and the fast charge rifle for detecting brake pedal by rigid line connect, receive and be additionally related to multi-functional passive entry and one Key starts the ON electric signals etc. that controller (Passive Entry＆Passive Start, abbreviation PEPS) is sent, it is comprehensive it is various because Element judges that the power-on and power-off of user are intended to, and to control vehicle high and low pressure system or more electricity condition, vehicle is made to switch vehicle electric source modes. Whether the program was gone up based on current vehicle electric source modes, in conjunction with whether vehicle is in high pressure conditions or a power-up cycle The various situations such as high pressure, fully consider the difference of the working condition of electric vehicle and orthodox car, specify the height of various operating modes Low pressure power-on and power-off control logic also ensures user security while meeting user or more electricity demanding, promotes user experience.
As shown in Fig. 2, step 12 includes：
Step 121 obtains the Vehicular status signal after user operates vehicle under current vehicle electric source modes, The Vehicular status signal includes：Start and stop key state signal, brake signal, charging gun connection status signal, vehicle gear letter Number, at least one of charge port open state signal and high-pressure system fault-signal；
In the embodiment, electric control system block diagram above and below vehicle is as shown in figure 3, PEPS and brake pedal and start and stop button are logical Rigid line connection is crossed, brake signal and start and stop key state signal can be got by rigid line；VCU and brake pedal, trickle charge rifle It is connected by rigid line with fast charge rifle, brake signal and charging gun connection status signal can be got by rigid line；And VCU also with PEPS is connected by rigid line, real-time by rigid line if start and stop press switch to open after PEPS gets start and stop key state signal ON electric signals are sent to VCU, VCU receives ON electric signals and indicates that start and stop press switch to open, and does not receive ON electric signals and indicates start and stop Button is closed；VCU is also connect with the charge port of vehicle and shift sensor, can get in real time charge port open state and Vehicle shift signal；VCU is also connect with each dual pressure controller of vehicle, obtains high-pressure system fault-signal in real time；PEPS and VCU Between communicated by CAN network.
Step 122, the power-on and power-off need that user is judged according to current vehicle electric source modes and the Vehicular status signal It asks.
In the embodiment, for VCU according to current vehicle electric source modes and under the electric source modes, user carries out vehicle Vehicular status signal after operation judges the electricity demanding up and down of user.In compared with the existing technology only consider user operation and The operating condition of vehicle at this time is not considered, and the program combines the operation of user, energy based on the current vehicle electric source modes of vehicle Enough intentions for more accurately determining user, the influence for avoiding the practical situations because of vehicle, inserting charging gun or vehicle trouble The case where causing erroneous judgement power-on and power-off to be intended to, and the program can not only meet the electricity demanding up and down of user while also assure user Personal safety, the user experience is improved sense.
Specifically, step 13 includes：
In power mode under presently described vehicle electric source modes are low pressure, presses switch to open signal, control if receiving start and stop Vehicle electric source modes processed are switched to a low-voltage power supply mode；
In the embodiment, when vehicle does not power on, low-pressure system is not powered, high-pressure system is not connected, that is, gives tacit consent to vehicle electricity Source module is power mode under low pressure, if user presses start and stop button at this time, PEPS determines start and stop button and is in open state, then ON electric signals are sent to VCU, VCU receives ON electric signals and thinks that user has electricity demanding in low pressure, then controls low-voltage relay and close It closes, the controller of low-voltage power supply and wake-up is made to enter working condition.Since VCU is not received by brake signal and charging gun at this time Connection signal, it is believed that the not upper high voltage demands of user, vehicle high-pressure system still remain off, then vehicle electric source modes are by low Pressure power mode is switched to a low-voltage power supply mode.
In power mode under presently described vehicle electric source modes are low pressure, if receiving charging gun connection signal, control Vehicle electric source modes are switched to high-voltage charging pattern；
In the embodiment, in power mode under vehicle electric source modes are low pressure, if user is inserted into charging gun but does not press Start and stop button, VCU only receive charging gun connection signal, it is believed that user has charging to be intended to but do not have electricity demanding in low pressure, then Low-voltage relay continues to remain off, and control high-pressure system component wakes up, and guides high pressure in vehicle high-pressure system, upper high pressure After the completion, vehicle is in high pressure connection status, and power electric system is in charged state, then vehicle electric source modes are by power mode under low pressure It is switched to high-voltage charging pattern, vehicle carries out charge control.
In power mode under presently described vehicle electric source modes are low pressure, press switch to open signal and system if receiving start and stop Dynamic signal, then control vehicle electric source modes and be switched to drive mode.
In the embodiment, in power mode under vehicle electric source modes are low pressure, if user presses start and stop button while stepping on Brake pedal, VCU receives PEPS and is pressed switch to open according to start and stop the ON electric signals and brake signal of signal transmission, and high at this time Pressure system is in high pressure off-state, it is believed that user has high pressure to power on intention and needs to start vehicle, then controls low-voltage relay It is closed, low-pressure system power supply；Since PEPS has also got brake signal by rigid line, then the antitheft request of power is sent to VCU, After VCU is successful into the antitheft certification of action edge, high pressure in vehicle high-pressure system is guided, then vehicle electric source modes are by electric mould under low pressure Formula is switched to drive mode, and vehicle is in wheeled state.
In the above embodiment of the present invention, step 13 further includes：
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal, control Vehicle electric source modes processed are switched to power mode under low pressure；
In the embodiment, when vehicle is in a low-voltage power supply mode, start and stop button is open state, and high-pressure system is in height Open state is broken, if user presses start and stop button at this time, start and stop button is closed, and PEPS stops sending ON electric signals to VCU, then Think that user has electricity demanding under low pressure, control low-voltage relay to disconnect, suspend mode shape is entered by the controller of low-voltage power supply and wake-up State, vehicle electric source modes are switched to power mode under low pressure by a low-voltage power supply mode.
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal and braking Signal then controls vehicle electric source modes and is switched to drive mode；
In the embodiment, when vehicle is in a low-voltage power supply mode, user presses start and stop button and steps on braking simultaneously and steps on Plate, VCU receives brake signal and high-pressure system is off at this time, although user closes start and stop button, thinks User has high pressure to power on intention and needs to start vehicle, and it may be maloperation that user, which presses start and stop button,.Then VCU control low pressure after Electric appliance be closed, simultaneously because low-pressure system is in power supply state at this time, PEPS has also got brake signal by rigid line, then to VCU sends the antitheft request of power, after VCU is successful into the antitheft certification of action edge, guides high pressure in vehicle high-pressure system, then vehicle Electric source modes are switched to drive mode by a low-voltage power supply mode, and vehicle is in wheeled state.
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving charging gun connection signal, control Vehicle electric source modes are switched to charge mode.
In the embodiment, when vehicle is in a low-voltage power supply mode, user is inserted into charging gun but does not press start and stop button, Start and stop button is still open state, and VCU receives charging gun connection signal, it is believed that user has charging to be intended to but without under low pressure Electricity demanding, then low-voltage relay continue to be kept closed, control high-pressure system component wakes up, and guides high in vehicle high-pressure system It presses, after the completion of upper high pressure, vehicle high and low pressure system is connection status, and power electric system is in charged state, then vehicle power supply mould Formula is switched to charge mode by a low-voltage power supply mode, and vehicle carries out charge control.
In the above embodiment of the present invention, step 13 further includes：
When presently described vehicle electric source modes are drive mode, if receiving charging gun connection signal, vehicle is controlled Electric source modes are switched to charge mode；
In the embodiment, when vehicle electric source modes are drive mode, vehicle high and low pressure system is connection status, vehicle Wheeled.In a power-up cycle, VCU is completed upper high pressure conditions to vehicle and carries out memory storage, and by vehicle at one The signal that upper high pressure conditions are completed in power-up cycle is sent to PEPS.If user is inserted into charging gun but does not press start and stop button, Start and stop button is still open state, and VCU receives charging gun connection signal, it is believed that user has charging to be intended to but without under low pressure Electricity demanding, then low-voltage relay continue to be kept closed, high-pressure system keep connection status, power electric system be in charging shape State, then vehicle electric source modes charge mode is switched to by drive mode, vehicle carries out charge control.
When presently described vehicle electric source modes are drive mode, vehicle is controlled if receiving start and stop button shutdown signal Electric source modes are switched to power mode under low pressure；
In the embodiment, when vehicle electric source modes are drive mode, if user presses start and stop button, start and stop button is by opening It opens state change to be in off state, PEPS stops sending ON electric signals to VCU, then it is assumed that user, which has, to be stopped and be intended to and high-low pressure is both needed to Lower electricity, control low pressure controller disconnect, and electricity, vehicle low-pressure system under vehicle high pressure is guided to be switched to lower end state, high pressure system System switches to high pressure off-state, and vehicle electric source modes are switched to power mode under low pressure by drive mode.
When presently described vehicle electric source modes are drive mode, if receiving start and stop button shutdown signal and braking letter Number, then it controls vehicle electric source modes and is switched to power mode under low pressure；
In the embodiment, when vehicle electric source modes are drive mode, if user presses start and stop button while stepping on braking Pedal, start and stop button are in off state by open state change, and PEPS stops sending ON electric signals to VCU, then it is assumed that user, which has, to stop And be intended to and high-low pressure is both needed to lower electricity, control low pressure controller disconnects, and guides electric under vehicle high pressure, vehicle low-pressure system switching For lower end state, high-pressure system switches to high pressure off-state, and vehicle electric source modes are switched under low pressure electric mould by drive mode Formula.
When presently described vehicle electric source modes are drive mode, if receive vehicle gear be parking shift P keep off signal with And charge port open signal, then it controls vehicle electric source modes and is switched to a low-voltage power supply mode；
In the embodiment, when vehicle electric source modes are drive mode, if user is that P opens charging when keeping off in vehicle gear Mouthful, VCU receives charge port open signal and determines vehicle at this time and kept off for P, but VCU does not receive the closing of start and stop button Signal determines user without electricity demanding under low pressure, at this time in order to protect user security, prevents user's error shock, VCU from guiding vehicle It is electric under high-pressure system, so that vehicle electric source modes is switched to a low-voltage power supply mode.It is worth noting that when vehicle is in other gears When, even if charge port is opened, in order to ensure user's driving safety, prevent vehicle from running out of steam suddenly, VCU does not guide vehicle height It is electric under pressure system.Vehicle electric source modes keep drive mode.
When presently described vehicle electric source modes are drive mode, if receiving high-pressure system fault-signal, control whole Vehicle electric source modes are switched to power mode under high voltage fault.
In the embodiment, when the dual pressure controller of vehicle is faulty, VCU receives high-pressure system fault-signal, user Not pressing start and stop button, it is believed that user does not have electricity demanding under low pressure, then from the point of view of protection parts and user security, VCU guides electricity under vehicle high-pressure system, since in a power-up cycle, vehicle completes high pressure and powers on, and VCU is complete to vehicle Memory storage is carried out at upper high pressure conditions, then vehicle electric source modes are switched to power mode under high voltage fault, can be to high pressure event Barrier is reminded, and ensure that the safety of user.
In the above embodiment of the present invention, step 13 further includes：
When presently described vehicle electric source modes are charge mode, if receiving charging gun cut-off signal, vehicle is controlled Electric source modes are switched to a low-voltage power supply mode；
In the embodiment, when vehicle electric source modes are charge mode, if user pulls out charging gun but does not press start and stop Button, VCU receive charging gun cut-off signal, but do not receive start and stop button shutdown signal, it is believed that user is without electric under low pressure Demand only stops charging, then low-voltage relay is kept closed, and guides electricity under high-pressure system, vehicle electric source modes are by charging mould Formula is switched to a low-voltage power supply mode.
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal, control whole Vehicle electric source modes are switched to high-voltage charging pattern；
In the embodiment, when vehicle electric source modes are charge mode, if user presses start and stop button, start and stop button becomes Closed state, charging gun do not pull out, then it is assumed that user, which has under low pressure electricity demanding and retains charging, to be intended to, then VCU control low pressure after Electric appliance disconnects, and the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched to by charge mode High-voltage charging pattern.
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal and braking letter Number, then it controls vehicle electric source modes and is switched to high-voltage charging pattern.
In the embodiment, when vehicle electric source modes are charge mode, the high pressure and low-pressure system of vehicle are connection shape State, if user presses start and stop button and simultaneously brake pedal, the change of start and stop button is in off state, but VCU is not received Charging gun cut-off signal, it is believed that user has electricity demanding under low pressure but charging is kept to be intended to, then low pressure controller disconnection is controlled, by low The controller that piezoelectricity is powered and waken up enters dormant state, and power battery keeps charged state, and vehicle electric source modes are by charging mould Formula is switched to high-voltage charging pattern.
In the above embodiment of the present invention, step 13 further includes：
When presently described vehicle electric source modes are high-voltage charging pattern, press switch to open signal, control if receiving start and stop Vehicle electric source modes processed are switched to charge mode；
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, vehicle high-pressure system is in high pressure connection shape State, low-pressure system are in power-down state, and power battery is charged state, if user presses start and stop button, start and stop button becomes out State is opened, and VCU is not received by charging gun cut-off signal, it is believed that user has electricity demanding in low pressure and charging is kept to be intended to, then It controls low-voltage relay to be closed, the controller powered by low tension and waken up enters working condition, and vehicle electric source modes are by high pressure Charge mode is switched to charge mode.
When presently described vehicle electric source modes are high-voltage charging pattern, press switch to open signal and system if receiving start and stop Dynamic signal, then control vehicle electric source modes and be switched to charge mode；
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, if user presses start and stop button and steps on simultaneously Lower brake pedal, start and stop button becomes open state, and VCU is not received by charging gun cut-off signal, it is believed that user has low pressure Upper electricity demanding and holding charging intention, then control low-voltage relay closure, is powered by low tension and the controller of wake-up enters work Make state, vehicle electric source modes are charge mode by high-voltage charging pattern switching.Although user, which has, at this time tramples brake pedal Operation, but since charging gun does not pull out, in order to ensure the safety of user and vehicle, vehicle cannot be made to enter drive mode.
When presently described vehicle electric source modes are high-voltage charging pattern, if receiving charging gun cut-off signal, control Vehicle electric source modes are switched to power mode under low pressure.
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, low-pressure system is off-state, if user pulls out Fall charging gun, VCU receives charging gun cut-off signal, but does not receive start and stop and press switch to open signal, it is believed that user has stopping Charging intention, but without electricity demanding in low pressure, then in order to ensure user security, VCU control power batteries, which stop charging, simultaneously to be guided Electric under vehicle high-pressure system, vehicle electric source modes are power mode under low pressure by high-voltage charging pattern switching.
In the above embodiment of the present invention, step 13 further includes：
In power mode under presently described vehicle electric source modes are high voltage fault, if receiving start and stop button shutdown signal, It then controls vehicle electric source modes and is switched to power mode under low pressure；
In the embodiment, in power mode under vehicle electric source modes are high voltage fault, it is believed that vehicle is in a power-up cycle High pressure is inside completed, but since high voltage fault leads to electricity under high-pressure system, vehicle low-pressure system is in power supply state, if user Start and stop button is pressed, the change of start and stop button is in off state, it is believed that user has electricity demanding under low pressure, then it is disconnected to control low-voltage relay It opens, the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched by power mode under high voltage fault For power mode under low pressure.
Presently described vehicle electric source modes be high voltage fault under power mode when, if receive start and stop button shutdown signal with And brake signal, then it controls vehicle electric source modes and is switched to power mode under low pressure.
In the embodiment, in power mode under vehicle electric source modes are high voltage fault, if user presses start and stop button and steps on Lower brake pedal once completed high pressure but since high voltage fault leads to electric under high-pressure system, expression vehicle since VCU determines vehicle High pressure cannot be gone up at this time, in order to ensure user security, then it is assumed that user has electricity demanding under low pressure, control low-voltage relay disconnected It opens, the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched by power mode under high voltage fault For power mode under low pressure.
The switching state of vehicle electric source modes is as shown in Figure 4 in step 13, wherein OFF indicates power mode under low pressure, ON tables Show that a low-voltage power supply mode, ON_CHG indicate that charge mode, CHG indicate that high-voltage charging pattern, READY indicate drive mode, ON_ Hved indicates power mode under high voltage fault；BP (Brake Pedal, abbreviation BP) indicates that brake pedal is operated, SSB (Start Stop Button, abbreviation SSB) indicate start and stop button pressed, wherein start and stop button pressed press switch to open including start and stop or Close two states.
Whether the program has fully taken into account vehicle in high pressure conditions, one by combining current vehicle electric source modes Whether vehicle completed the various situations such as high pressure or high-pressure system failure in a power-up cycle, was meeting user or more electricity demanding While, it ensure that the safety of user and vehicle, improve user experience.
As shown in figure 5, the embodiments of the present invention also provide controller for electric consumption above and below a kind of electric automobile whole, including：
First acquisition module 51, for obtaining current vehicle electric source modes, the vehicle electric source modes include：Under low pressure Power mode under power mode, a low-voltage power supply mode, drive mode, charge mode, high-voltage charging pattern or high voltage fault；
Second acquisition module 52, the electricity demanding up and down for obtaining user；
Control module 53 controls vehicle for the electricity demanding up and down according to the current vehicle electric source modes and user Switching vehicle electric source modes.
In the embodiment, power mode refers to vehicle and does not power under the low pressure, and acquiescence low-pressure system is not powered, at high-pressure system In notconnect state, i.e. OFF mode；The a low-voltage power supply mode refers to the power supply of vehicle low-pressure system, i.e. ON patterns；The driving mould Formula can be expressed as READY patterns, refer to the power supply of vehicle low-pressure system, and the antitheft certification of power is completed, and high-pressure system, which is in, to be connected Connect state；The charge mode can be expressed as ON_CHG (ON_CHARGE, abbreviation ON_CHG) pattern, refer to vehicle low-pressure system Power supply, high-pressure system is in connection status and power battery is in charged state；The high-voltage charging pattern can be expressed as CHG (CHARGE, abbreviation CHG) pattern, refers to that low-pressure system is not powered, high-pressure system is in connection status and power battery is in charging State；Power mode can be expressed as ON_Hved patterns under the high voltage fault, refer in a power-up cycle, and low-pressure system supplies Electricity and vehicle completed high pressure conditions, but since high voltage fault leads to electricity under high pressure.
Entire car controller (Vehicle Control Unit, abbreviation VCU) obtains current vehicle electric source modes in real time, and Whether whether brake signal, trickle charge rifle and the fast charge rifle for detecting brake pedal by rigid line connect, receive and be additionally related to multi-functional passive entry and one Key starts the ON electric signals etc. that controller (Passive Entry＆Passive Start, abbreviation PEPS) is sent, it is comprehensive it is various because Element judges that the power-on and power-off of user are intended to, and to control vehicle high and low pressure system or more electricity condition, vehicle is made to switch vehicle electric source modes. Whether the program was gone up based on current vehicle electric source modes, in conjunction with whether vehicle is in high pressure conditions or a power-up cycle The various situations such as high pressure, fully consider the difference of the working condition of electric vehicle and orthodox car, specify the height of various operating modes Low pressure power-on and power-off control logic also ensures user security while meeting user or more electricity demanding, promotes user experience.
As shown in fig. 6, second acquisition module 52 includes：
First acquisition unit 521, for obtaining after user operates vehicle under current vehicle electric source modes Vehicular status signal, the Vehicular status signal include：Start and stop key state signal, brake signal, charging gun connection status letter Number, at least one of vehicle shift signal, charge port open state signal and high-pressure system fault-signal；
In the embodiment, electric control system block diagram above and below vehicle is as shown in figure 3, PEPS and brake pedal and start and stop button are logical Rigid line connection is crossed, brake signal and start and stop key state signal can be got by rigid line；VCU and brake pedal, trickle charge rifle It is connected by rigid line with fast charge rifle, brake signal and charging gun connection status signal can be got by rigid line；And VCU also with PEPS is connected by rigid line, real-time by rigid line if start and stop press switch to open after PEPS gets start and stop key state signal ON electric signals are sent to VCU, VCU receives ON electric signals and indicates that start and stop press switch to open, and does not receive ON electric signals and indicates start and stop Button is closed；VCU is also connect with the charge port of vehicle and shift sensor, can get in real time charge port open state and Vehicle shift signal；VCU is also connect with each dual pressure controller of vehicle, obtains high-pressure system fault-signal in real time；PEPS and VCU Between communicated by CAN network.
Judging unit 522, for judging user's according to current vehicle electric source modes and the Vehicular status signal Upper and lower electricity demanding.
In the embodiment, for VCU according to current vehicle electric source modes and under the electric source modes, user carries out vehicle Vehicular status signal after operation judges the electricity demanding up and down of user.In compared with the existing technology only consider user operation and The operating condition of vehicle at this time is not considered, and the program combines the operation of user, energy based on the current vehicle electric source modes of vehicle Enough intentions for more accurately determining user, the influence for avoiding the practical situations because of vehicle, inserting charging gun or vehicle trouble The case where causing erroneous judgement power-on and power-off to be intended to, and the program can not only meet the electricity demanding up and down of user while also assure user Personal safety, the user experience is improved sense.
In the above embodiment of the present invention, the control module 53 includes：
First control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop Press switch to open signal, then controls vehicle electric source modes and be switched to a low-voltage power supply mode；
In the embodiment, when vehicle does not power on, low-pressure system is not powered, high-pressure system is not connected, that is, gives tacit consent to vehicle electricity Source module is power mode under low pressure, if user presses start and stop button at this time, PEPS determines start and stop button and is in open state, then ON electric signals are sent to VCU, VCU receives ON electric signals and thinks that user has electricity demanding in low pressure, then controls low-voltage relay and close It closes, the controller of low-voltage power supply and wake-up is made to enter working condition.Since VCU is not received by brake signal and charging gun at this time Connection signal, it is believed that the not upper high voltage demands of user, vehicle high-pressure system still remain off, then vehicle electric source modes are by low Pressure power mode is switched to a low-voltage power supply mode.
Second control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving charging Rifle connection signal then controls vehicle electric source modes and is switched to high-voltage charging pattern；
In the embodiment, in power mode under vehicle electric source modes are low pressure, if user is inserted into charging gun but does not press Start and stop button, VCU only receive charging gun connection signal, it is believed that user has charging to be intended to but do not have electricity demanding in low pressure, then Low-voltage relay continues to remain off, and control high-pressure system component wakes up, and guides high pressure in vehicle high-pressure system, upper high pressure After the completion, vehicle is in high pressure connection status, and power electric system is in charged state, then vehicle electric source modes are by power mode under low pressure It is switched to high-voltage charging pattern, vehicle carries out charge control.
Third control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop Press switch to open signal and brake signal, then controls vehicle electric source modes and be switched to drive mode.
In the embodiment, in power mode under vehicle electric source modes are low pressure, if user presses start and stop button while stepping on Brake pedal, VCU receives PEPS and is pressed switch to open according to start and stop the ON electric signals and brake signal of signal transmission, and high at this time Pressure system is in high pressure off-state, it is believed that user has high pressure to power on intention and needs to start vehicle, then controls low-voltage relay It is closed, low-pressure system power supply；Since PEPS has also got brake signal by rigid line, then the antitheft request of power is sent to VCU, After VCU is successful into the antitheft certification of action edge, high pressure in vehicle high-pressure system is guided, then vehicle electric source modes are by electric mould under low pressure Formula is switched to drive mode, and vehicle is in wheeled state.
In the above embodiment of the present invention, the control module 53 further includes：
4th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop Button shutdown signal then controls vehicle electric source modes and is switched to power mode under low pressure；
In the embodiment, when vehicle is in a low-voltage power supply mode, start and stop button is open state, and high-pressure system is in height Open state is broken, if user presses start and stop button at this time, start and stop button is closed, and PEPS stops sending ON electric signals to VCU, then Think that user has electricity demanding under low pressure, control low-voltage relay to disconnect, suspend mode shape is entered by the controller of low-voltage power supply and wake-up State, vehicle electric source modes are switched to power mode under low pressure by a low-voltage power supply mode.
5th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop Button shutdown signal and brake signal then control vehicle electric source modes and are switched to drive mode；
In the embodiment, when vehicle is in a low-voltage power supply mode, user presses start and stop button and steps on braking simultaneously and steps on Plate, VCU receives brake signal and high-pressure system is off at this time, although user closes start and stop button, thinks User has high pressure to power on intention and needs to start vehicle, and it may be maloperation that user, which presses start and stop button,.Then VCU control low pressure after Electric appliance be closed, simultaneously because low-pressure system is in power supply state at this time, PEPS has also got brake signal by rigid line, then to VCU sends the antitheft request of power, after VCU is successful into the antitheft certification of action edge, guides high pressure in vehicle high-pressure system, then vehicle Electric source modes are switched to drive mode by a low-voltage power supply mode, and vehicle is in wheeled state.
6th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving charging Rifle connection signal then controls vehicle electric source modes and is switched to charge mode.
In the embodiment, when vehicle is in a low-voltage power supply mode, user is inserted into charging gun but does not press start and stop button, Start and stop button is still open state, and VCU receives charging gun connection signal, it is believed that user has charging to be intended to but without under low pressure Electricity demanding, then low-voltage relay continue to be kept closed, control high-pressure system component wakes up, and guides high in vehicle high-pressure system It presses, after the completion of upper high pressure, vehicle high and low pressure system is connection status, and power electric system is in charged state, then vehicle power supply mould Formula is switched to charge mode by a low-voltage power supply mode, and vehicle carries out charge control.
In the above embodiment of the present invention, the control module 53 further includes：
7th control unit, for when presently described vehicle electric source modes are drive mode, connecting if receiving charging gun Signal is connect, then controls vehicle electric source modes and is switched to charge mode；
In the embodiment, when vehicle electric source modes are drive mode, vehicle high and low pressure system is connection status, vehicle Wheeled.In a power-up cycle, VCU is completed upper high pressure conditions to vehicle and carries out memory storage, and by vehicle at one The signal that upper high pressure conditions are completed in power-up cycle is sent to PEPS.If user is inserted into charging gun but does not press start and stop button, Start and stop button is still open state, and VCU receives charging gun connection signal, it is believed that user has charging to be intended to but without under low pressure Electricity demanding, then low-voltage relay continue to be kept closed, high-pressure system keep connection status, power electric system be in charging shape State, then vehicle electric source modes charge mode is switched to by drive mode, vehicle carries out charge control.
8th control unit is used for when presently described vehicle electric source modes are drive mode, if receiving start and stop button Shutdown signal then controls vehicle electric source modes and is switched to power mode under low pressure；
In the embodiment, when vehicle electric source modes are drive mode, if user presses start and stop button, start and stop button is by opening It opens state change to be in off state, PEPS stops sending ON electric signals to VCU, then it is assumed that user, which has, to be stopped and be intended to and high-low pressure is both needed to Lower electricity, control low pressure controller disconnect, and electricity, vehicle low-pressure system under vehicle high pressure is guided to be switched to lower end state, high pressure system System switches to high pressure off-state, and vehicle electric source modes are switched to power mode under low pressure by drive mode.
9th control unit is used for when presently described vehicle electric source modes are drive mode, if receiving start and stop button Shutdown signal and brake signal then control vehicle electric source modes and are switched to power mode under low pressure；
In the embodiment, when vehicle electric source modes are drive mode, if user presses start and stop button while stepping on braking Pedal, start and stop button are in off state by open state change, and PEPS stops sending ON electric signals to VCU, then it is assumed that user, which has, to stop And be intended to and high-low pressure is both needed to lower electricity, control low pressure controller disconnects, and guides electric under vehicle high pressure, vehicle low-pressure system switching For lower end state, high-pressure system switches to high pressure off-state, and vehicle electric source modes are switched under low pressure electric mould by drive mode Formula.
Tenth control unit is used for when presently described vehicle electric source modes are drive mode, if receiving vehicle gear Signal and charge port open signal are kept off for parking shift P, then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
In the embodiment, when vehicle electric source modes are drive mode, if user is that P opens charging when keeping off in vehicle gear Mouthful, VCU receives charge port open signal and determines vehicle at this time and kept off for P, but VCU does not receive the closing of start and stop button Signal determines user without electricity demanding under low pressure, at this time in order to protect user security, prevents user's error shock, VCU from guiding vehicle It is electric under high-pressure system, so that vehicle electric source modes is switched to a low-voltage power supply mode.It is worth noting that when vehicle is in other gears When, even if charge port is opened, in order to ensure user's driving safety, prevent vehicle from running out of steam suddenly, VCU does not guide vehicle height It is electric under pressure system.Vehicle electric source modes keep drive mode.
11st control unit is used for when presently described vehicle electric source modes are drive mode, if receiving high pressure system System fault-signal, then control vehicle electric source modes and be switched to power mode under high voltage fault.
In the embodiment, when the dual pressure controller of vehicle is faulty, VCU receives high-pressure system fault-signal, user Not pressing start and stop button, it is believed that user does not have electricity demanding under low pressure, then from the point of view of protection parts and user security, VCU guides electricity under vehicle high-pressure system, since in a power-up cycle, vehicle completes high pressure and powers on, and VCU is complete to vehicle Memory storage is carried out at upper high pressure conditions, then vehicle electric source modes are switched to power mode under high voltage fault, can be to high pressure event Barrier is reminded, and ensure that the safety of user.
In the above embodiment of the present invention, the control module 53 further includes：
12nd control unit is used for when presently described vehicle electric source modes are charge mode, if receiving charging gun Cut-off signal then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
In the embodiment, when vehicle electric source modes are charge mode, if user pulls out charging gun but does not press start and stop Button, VCU receive charging gun cut-off signal, but do not receive start and stop button shutdown signal, it is believed that user is without electric under low pressure Demand only stops charging, then low-voltage relay is kept closed, and guides electricity under high-pressure system, vehicle electric source modes are by charging mould Formula is switched to a low-voltage power supply mode.
13rd control unit, for presently described vehicle electric source modes be charge mode when, if receive start and stop by Key shutdown signal then controls vehicle electric source modes and is switched to high-voltage charging pattern；
In the embodiment, when vehicle electric source modes are charge mode, if user presses start and stop button, start and stop button becomes Closed state, charging gun do not pull out, then it is assumed that user, which has under low pressure electricity demanding and retains charging, to be intended to, then VCU control low pressure after Electric appliance disconnects, and the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched to by charge mode High-voltage charging pattern.
14th control unit, for presently described vehicle electric source modes be charge mode when, if receive start and stop by Key shutdown signal and brake signal then control vehicle electric source modes and are switched to high-voltage charging pattern.
In the embodiment, when vehicle electric source modes are charge mode, the high pressure and low-pressure system of vehicle are connection shape State, if user presses start and stop button and simultaneously brake pedal, the change of start and stop button is in off state, but VCU is not received Charging gun cut-off signal, it is believed that user has electricity demanding under low pressure but charging is kept to be intended to, then low pressure controller disconnection is controlled, by low The controller that piezoelectricity is powered and waken up enters dormant state, and power battery keeps charged state, and vehicle electric source modes are by charging mould Formula is switched to high-voltage charging pattern.
In the above embodiment of the present invention, the control module 53 further includes：
15th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being opened if receiving Stop the signal that presses switch to open, then controls vehicle electric source modes and be switched to charge mode；
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, vehicle high-pressure system is in high pressure connection shape State, low-pressure system are in power-down state, and power battery is charged state, if user presses start and stop button, start and stop button becomes out State is opened, and VCU is not received by charging gun cut-off signal, it is believed that user has electricity demanding in low pressure and charging is kept to be intended to, then It controls low-voltage relay to be closed, the controller powered by low tension and waken up enters working condition, and vehicle electric source modes are by high pressure Charge mode is switched to charge mode.
16th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being opened if receiving Stop press switch to open signal and brake signal, then controls vehicle electric source modes and be switched to charge mode；
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, if user presses start and stop button and steps on simultaneously Lower brake pedal, start and stop button becomes open state, and VCU is not received by charging gun cut-off signal, it is believed that user has low pressure Upper electricity demanding and holding charging intention, then control low-voltage relay closure, is powered by low tension and the controller of wake-up enters work Make state, vehicle electric source modes are charge mode by high-voltage charging pattern switching.Although user, which has, at this time tramples brake pedal Operation, but since charging gun does not pull out, in order to ensure the safety of user and vehicle, vehicle cannot be made to enter drive mode.
17th control unit, for when presently described vehicle electric source modes are high-voltage charging pattern, being filled if receiving Electric rifle cut-off signal then controls vehicle electric source modes and is switched to power mode under low pressure.
In the embodiment, when vehicle electric source modes are high-voltage charging pattern, low-pressure system is off-state, if user pulls out Fall charging gun, VCU receives charging gun cut-off signal, but does not receive start and stop and press switch to open signal, it is believed that user has stopping Charging intention, but without electricity demanding in low pressure, then in order to ensure user security, VCU control power batteries, which stop charging, simultaneously to be guided Electric under vehicle high-pressure system, vehicle electric source modes are power mode under low pressure by high-voltage charging pattern switching.
In the above embodiment of the present invention, the control module 53 further includes：
18th control unit is used in power mode under presently described vehicle electric source modes are high voltage fault, if receiving To start and stop button shutdown signal, then controls vehicle electric source modes and be switched to power mode under low pressure；
In the embodiment, in power mode under vehicle electric source modes are high voltage fault, it is believed that vehicle is in a power-up cycle High pressure is inside completed, but since high voltage fault leads to electricity under high-pressure system, vehicle low-pressure system is in power supply state, if user Start and stop button is pressed, the change of start and stop button is in off state, it is believed that user has electricity demanding under low pressure, then it is disconnected to control low-voltage relay It opens, the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched by power mode under high voltage fault For power mode under low pressure.
19th control unit is used in power mode under presently described vehicle electric source modes are high voltage fault, if receiving To start and stop button shutdown signal and brake signal, then controls vehicle electric source modes and be switched to power mode under low pressure.
In the embodiment, in power mode under vehicle electric source modes are high voltage fault, if user presses start and stop button and steps on Lower brake pedal once completed high pressure but since high voltage fault leads to electric under high-pressure system, expression vehicle since VCU determines vehicle High pressure cannot be gone up at this time, in order to ensure user security, then it is assumed that user has electricity demanding under low pressure, control low-voltage relay disconnected It opens, the controller powered by low tension and waken up enters dormant state, and vehicle electric source modes are switched by power mode under high voltage fault For power mode under low pressure.
The switching state of vehicle electric source modes is as shown in Figure 4 in control module 53, wherein and OFF indicates power mode under low pressure, ON indicates that a low-voltage power supply mode, ON_CHG indicate that charge mode, CHG indicate that high-voltage charging pattern, READY indicate drive mode, ON_Hved indicates power mode under high voltage fault；BP (Brake Pedal, abbreviation BP) indicates that brake pedal is operated, SSB (Start Stop Button, abbreviation SSB) indicates that start and stop button is pressed, and wherein start and stop button is pressed including start and stop button It is turned on or off two states.
Whether the program has fully taken into account vehicle in high pressure conditions, one by combining current vehicle electric source modes Whether vehicle completed the various situations such as high pressure or high-pressure system failure in a power-up cycle, was meeting user or more electricity demanding While, it ensure that the safety of user and vehicle, improve user experience.
It should be noted that the device is device corresponding with above-mentioned individual recommendation method, institute in above method embodiment There is realization method suitable for the embodiment of the device, can also reach identical technique effect.
The embodiments of the present invention also provide electric control above and below a kind of electric vehicle, including above-mentioned electric automobile whole to fill It sets.
The embodiment of the present invention has fully considered electric vehicle and traditional vehicle based on the current electric source modes of vehicle The difference for the operating mode that works, powers on the high pressure of vehicle and low pressure powers on intention and optimizes, specify the high-low pressure under each operating mode Power-on and power-off control logic improves user experience to meet the electricity demanding up and down of user.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist In protection scope of the present invention.

Claims (17)

1. a kind of electric automobile whole power-on and power-off control method, which is characterized in that including：
Current vehicle electric source modes are obtained, the vehicle electric source modes include：Power mode, a low-voltage power supply mode, row under low pressure Power mode under vehicle pattern, charge mode, high-voltage charging pattern or high voltage fault；
Obtain the electricity demanding up and down of user；
According to the current vehicle electric source modes and the electricity demanding up and down of user, control vehicle switches vehicle electric source modes.
2. electric automobile whole power-on and power-off control method according to claim 1, which is characterized in that obtain the upper and lower of user The step of electricity demanding includes：
Obtain the Vehicular status signal after user operates vehicle under current vehicle electric source modes, the vehicle-state Signal includes：Start and stop key state signal, brake signal, charging gun connection status signal, vehicle shift signal, charge port are opened At least one of status signal and high-pressure system fault-signal；
The electricity demanding up and down of user is judged according to current vehicle electric source modes and the Vehicular status signal.
3. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes includes：
In power mode under presently described vehicle electric source modes are low pressure, presses switch to open signal, control whole if receiving start and stop Vehicle electric source modes are switched to a low-voltage power supply mode；
In power mode under presently described vehicle electric source modes are low pressure, if receiving charging gun connection signal, vehicle is controlled Electric source modes are switched to high-voltage charging pattern；
Presently described vehicle electric source modes be low pressure under power mode when, if receive start and stop press switch to open signal and braking letter Number, then it controls vehicle electric source modes and is switched to drive mode.
4. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes further includes：
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal, control whole Vehicle electric source modes are switched to power mode under low pressure；
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button shutdown signal and braking letter Number, then it controls vehicle electric source modes and is switched to drive mode；
When presently described vehicle electric source modes are a low-voltage power supply mode, if receiving charging gun connection signal, vehicle is controlled Electric source modes are switched to charge mode.
5. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes further includes：
When presently described vehicle electric source modes are drive mode, if receiving charging gun connection signal, vehicle power supply is controlled Pattern switching is charge mode；
When presently described vehicle electric source modes are drive mode, vehicle power supply is controlled if receiving start and stop button shutdown signal Pattern switching is power mode under low pressure；
When presently described vehicle electric source modes are drive mode, if receiving start and stop button shutdown signal and brake signal, It then controls vehicle electric source modes and is switched to power mode under low pressure；
When presently described vehicle electric source modes are drive mode, if it is that parking shift P keeps off signal and fills to receive vehicle gear Power port open signal then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
When presently described vehicle electric source modes are drive mode, if receiving high-pressure system fault-signal, vehicle electricity is controlled Source module is switched to power mode under high voltage fault.
6. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes further includes：
When presently described vehicle electric source modes are charge mode, if receiving charging gun cut-off signal, vehicle power supply is controlled Pattern switching is a low-voltage power supply mode；
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal, vehicle electricity is controlled Source module is switched to high-voltage charging pattern；
When presently described vehicle electric source modes are charge mode, if receiving start and stop button shutdown signal and brake signal, It then controls vehicle electric source modes and is switched to high-voltage charging pattern.
7. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes further includes：
When presently described vehicle electric source modes are high-voltage charging pattern, press switch to open signal, control whole if receiving start and stop Vehicle electric source modes are switched to charge mode；
Presently described vehicle electric source modes be high-voltage charging pattern when, if receive start and stop press switch to open signal and braking letter Number, then it controls vehicle electric source modes and is switched to charge mode；
When presently described vehicle electric source modes are high-voltage charging pattern, if receiving charging gun cut-off signal, vehicle is controlled Electric source modes are switched to power mode under low pressure.
8. electric automobile whole power-on and power-off control method according to claim 2, which is characterized in that according to current The electricity demanding up and down of vehicle electric source modes and user, controlling the step of vehicle switches vehicle electric source modes further includes：
In power mode under presently described vehicle electric source modes are high voltage fault, if receiving start and stop button shutdown signal, control Vehicle electric source modes processed are switched to power mode under low pressure；
In power mode under presently described vehicle electric source modes are high voltage fault, if receiving start and stop button shutdown signal and system Dynamic signal, then control vehicle electric source modes and be switched to power mode under low pressure.
9. controller for electric consumption above and below a kind of electric automobile whole, which is characterized in that including：
First acquisition module, for obtaining current vehicle electric source modes, the vehicle electric source modes include：Electric mould under low pressure Power mode under formula, a low-voltage power supply mode, drive mode, charge mode, high-voltage charging pattern or high voltage fault；
Second acquisition module, the electricity demanding up and down for obtaining user；
Control module, for the electricity demanding up and down according to the current vehicle electric source modes and user, control vehicle switching Vehicle electric source modes.
10. controller for electric consumption above and below electric automobile whole according to claim 9, which is characterized in that described second obtains Module includes：
First acquisition unit, for obtaining the vehicle-state after user operates vehicle under current vehicle electric source modes Signal, the Vehicular status signal include：Start and stop key state signal, brake signal, charging gun connection status signal, vehicle gear At least one of position signal, charge port open state signal and high-pressure system fault-signal；
Judging unit, the power-on and power-off need for judging user according to current vehicle electric source modes and the Vehicular status signal It asks.
11. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Including：
First control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop button Open signal then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
Second control unit, for when power mode, connecting if receiving charging gun under being low pressure in presently described vehicle electric source modes Signal is connect, then controls vehicle electric source modes and is switched to high-voltage charging pattern；
Third control unit is used in power mode under presently described vehicle electric source modes are low pressure, if receiving start and stop button Open signal and brake signal then control vehicle electric source modes and are switched to drive mode.
12. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Further include：
4th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button Shutdown signal then controls vehicle electric source modes and is switched to power mode under low pressure；
5th control unit is used for when presently described vehicle electric source modes are a low-voltage power supply mode, if receiving start and stop button Shutdown signal and brake signal then control vehicle electric source modes and are switched to drive mode；
6th control unit, for when presently described vehicle electric source modes are a low-voltage power supply mode, connecting if receiving charging gun Signal is connect, then controls vehicle electric source modes and is switched to charge mode.
13. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Further include：
7th control unit, for when presently described vehicle electric source modes are drive mode, believing if receiving charging gun connection Number, then it controls vehicle electric source modes and is switched to charge mode；
8th control unit, for when presently described vehicle electric source modes are drive mode, being closed if receiving start and stop button Signal then controls vehicle electric source modes and is switched to power mode under low pressure；
9th control unit, for when presently described vehicle electric source modes are drive mode, being closed if receiving start and stop button Signal and brake signal then control vehicle electric source modes and are switched to power mode under low pressure；
Tenth control unit is used for when presently described vehicle electric source modes are drive mode, if it is to stop to receive vehicle gear Car bumper P gear signals and charge port open signal, then control vehicle electric source modes and be switched to a low-voltage power supply mode；
11st control unit is used for when presently described vehicle electric source modes are drive mode, if receiving high-pressure system event Hinder signal, then controls vehicle electric source modes and be switched to power mode under high voltage fault.
14. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Further include：
12nd control unit, for when presently described vehicle electric source modes are charge mode, being disconnected if receiving charging gun Signal then controls vehicle electric source modes and is switched to a low-voltage power supply mode；
13rd control unit, for when presently described vehicle electric source modes are charge mode, being closed if receiving start and stop button Signal is closed, then controls vehicle electric source modes and is switched to high-voltage charging pattern；
14th control unit, for when presently described vehicle electric source modes are charge mode, being closed if receiving start and stop button Signal and brake signal are closed, then controls vehicle electric source modes and is switched to high-voltage charging pattern.
15. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Further include：
15th control unit, for presently described vehicle electric source modes be high-voltage charging pattern when, if receive start and stop by Key open signal then controls vehicle electric source modes and is switched to charge mode；
16th control unit, for presently described vehicle electric source modes be high-voltage charging pattern when, if receive start and stop by Key open signal and brake signal then control vehicle electric source modes and are switched to charge mode；
17th control unit is used for when presently described vehicle electric source modes are high-voltage charging pattern, if receiving charging gun Cut-off signal then controls vehicle electric source modes and is switched to power mode under low pressure.
16. controller for electric consumption above and below electric automobile whole according to claim 10, which is characterized in that the control module Further include：
18th control unit, for when power mode, being opened if receiving under being high voltage fault in presently described vehicle electric source modes Stop button shutdown signal, then controls vehicle electric source modes and be switched to power mode under low pressure；
19th control unit, for when power mode, being opened if receiving under being high voltage fault in presently described vehicle electric source modes Stop button shutdown signal and brake signal, then controls vehicle electric source modes and be switched to power mode under low pressure.
17. a kind of electric vehicle, which is characterized in that above and below claim 9~16 any one of them electric automobile whole Controller for electric consumption.
CN201810403434.4A 2018-04-28 2018-04-28 Whole-vehicle power-on and power-off control method and device for electric vehicle and electric vehicle Pending CN108394281A (en)

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CN113715625A (en) * 2021-08-25 2021-11-30 东风本田汽车有限公司 Automobile high-voltage power-on and power-off multi-target enabling control system and method
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CN113715625A (en) * 2021-08-25 2021-11-30 东风本田汽车有限公司 Automobile high-voltage power-on and power-off multi-target enabling control system and method
CN113619594A (en) * 2021-08-27 2021-11-09 中国第一汽车股份有限公司 Method, device, equipment and medium for determining driving mode of vehicle
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Application publication date: 20180814