CN109334505A - Charge awakening method - Google Patents
Charge awakening method Download PDFInfo
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- CN109334505A CN109334505A CN201811243315.3A CN201811243315A CN109334505A CN 109334505 A CN109334505 A CN 109334505A CN 201811243315 A CN201811243315 A CN 201811243315A CN 109334505 A CN109334505 A CN 109334505A
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- charging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The embodiment of the present application provides a kind of charging awakening method.If stopping sending charging wake-up enable signal to full-vehicle control unit the described method includes: charge port detection unit detects that external charging equipment has a power failure during Vehicular charging, so that full-vehicle control unit control vehicle enters suspend mode；After entering the suspend mode, if charge port detection unit detects that the voltage value of the CP signal of external charging equipment meets predeterminated voltage condition and CC resistance value meets preset resistance condition, charging is sent to full-vehicle control unit and wakes up enable signal；For full-vehicle control unit after receiving charging and waking up enable signal, control vehicle exits suspend mode, and judges whether to enter charge mode according to vehicle-state to charge.As a result, when not chargeable, vehicle can enter suspend mode to reduce power consumption；When sending a telegram here after power failure, do not need user and operate charging process again can to judge whether to start to charge automatically according to vehicle-state.
Description
Technical field
This application involves electric car charging technique fields, in particular to a kind of charging awakening method.
Background technique
Electric car due to it is emission-free the features such as, favor by all big enterprises and user.Electric car includes power electric
Pond, power battery are used to store the electric energy of charging equipment offer, and provide energy for electric car.In electric car charging,
It needs to wake up electric car.It is both provided with CC resistance in general charging equipment, current wake-up mode is all only with CC resistance
Incision electric loop or moment incision wake up vehicle charge.For example, after charging equipment accesses electric car, battery vapour
If vehicle detects that the CC resistance can be waken up.
Although above-mentioned wake-up mode can wake up electric car when charging equipment is accessed electric car, but still deposit
In following deficiency: if charging equipment has a power failure in charging process, electric car can be constantly in power-up state, and low-pressure system can be always
Power consumption, until charging equipment is sent a telegram here；Alternatively, electric car can descend electricity, into suspend mode, but after charging equipment incoming call,
Electric car can not automatically wake up again and start to charge.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the embodiment of the present application is designed to provide a kind of charging wake-up side
Method can make vehicle that can enter suspend mode to reduce power consumption when not chargeable；When sending a telegram here after power failure, do not need to use
Family operates charging process again to be judged whether to start to charge automatically according to vehicle-state.
In a first aspect, the embodiment of the present application provides a kind of charging awakening method, it is applied to vehicle, the vehicle includes communication
The charge port detection unit and full-vehicle control unit of connection, which comprises
If the charge port detection unit detects that external charging equipment has a power failure during Vehicular charging, stop to institute
It states full-vehicle control unit and sends charging wake-up enable signal, so that full-vehicle control unit control vehicle enters suspend mode；
After entering the suspend mode, if the charge port detection unit detects the CP letter of the external charging equipment
Number voltage value meet predeterminated voltage condition and CC resistance value meets preset resistance condition, then sent to the full-vehicle control unit
Charging wakes up enable signal；
The full-vehicle control unit controls the vehicle and exits suspend mode mould after receiving the charging and waking up enable signal
Formula, and judge whether to enter charge mode according to vehicle-state to charge.
Optionally, in the embodiment of the present application, the charge port detection unit include communication connection wake-up subelement and
Subelement is controlled, the wake-ups subelement includes resistance detection circuit, voltage detection circuit, described in the entrance suspend mode
Afterwards, if the charge port detection unit detects that the voltage value of the CP signal of the external charging equipment meets predeterminated voltage condition
And CC resistance value meets preset resistance condition, then sends the step of charging wakes up enable signal to the full-vehicle control unit and wrap
It includes:
After entering the suspend mode, if the voltage detection circuit detects that the voltage value of the CP signal meets institute
Predeterminated voltage condition is stated, then sends wake-up signal to the control subelement；
The control subelement obtains the CC resistance value by the resistance detection circuit, and by the CC resistance value with
The preset resistance condition is compared, and obtains resistance comparison result；
If it is full for the CC resistance value that the control subelement receives the wake-up signal and the resistance comparison result
The foot preset resistance condition, the control subelement then send the charging to the full-vehicle control unit and wake up enabled letter
Number.
Optionally, in the embodiment of the present application, the method also includes:
The default electricity is not met receiving the wake-up signal and the resistance comparison result for the CC resistance value
When resistance condition, if the control subelement detects that CC resistance value becomes by the resistance detection circuit within the default waiting time
Change, the control subelement then judges whether the CC resistance value after variation meets the preset resistance condition again；
The default electricity is not met receiving the wake-up signal and the resistance comparison result for the CC resistance value
When resistance condition, if CC resistance change, the full-vehicle control list is not detected within the default waiting time in the control subelement
It is first then continue control vehicle be in suspend mode.
Optionally, in the embodiment of the present application, the full-vehicle control unit is receiving the charging wake-up enable signal
Afterwards, it controls the vehicle and exits suspend mode, and judged whether to enter step of the charge mode to charge according to vehicle-state
Suddenly include:
The full-vehicle control unit wakes up each controller, after receiving charging and waking up enable signal to pass through each control
Device obtains car status information；
If determining vehicle fault-free and the less than electricity of battery, the full-vehicle control list according to the obtained car status information
Member control vehicle enters charge mode to charge.
Optionally, in the embodiment of the present application, the full-vehicle control unit control vehicle enters charge mode to be filled
Electricity step include:
The full-vehicle control unit control high tension loop closure, to start to charge；
During the charging process, the whether full electricity of the full-vehicle control unit real-time detection battery；
If less than electricity, the full-vehicle control unit control vehicle keeps charge mode；
If full electricity, the full-vehicle control unit control vehicle and enter suspend mode.
Optionally, in the embodiment of the present application, the full-vehicle control unit is receiving the charging wake-up enable signal
Afterwards, it controls the vehicle and exits suspend mode, and judged whether to enter step of the charge mode to charge according to vehicle-state
Suddenly further include:
If determining vehicle there are failure according to the car status information, the full-vehicle control unit saves failure letter
Breath, and control vehicle and enter suspend mode；
If determining that the full electricity of battery, the full-vehicle control unit control vehicle and enter suspend mode according to the car status information
Mode.
Optionally, in the embodiment of the present application, the step of full-vehicle control unit control vehicle enters suspend mode packet
It includes:
The full-vehicle control unit sends dormancy instruction to charge port detection unit；
The charge port detection unit stops sending the charging wake-up enable signal, so that vehicle enters suspend mode.
Optionally, in the embodiment of the present application, if being detected during the charge port detection unit is in Vehicular charging
External charging equipment has a power failure, then stops sending charging wake-up enable signal to the full-vehicle control unit, so that the vehicle control
Before the step of unit control vehicle processed enters suspend mode, the method also includes:
The charge port detection unit by the resistance detection circuit detect the external charging equipment access when,
If detecting, the CC resistance value of the external charging equipment meets preset resistance condition, sends institute to the full-vehicle control unit
It states charging and wakes up enable signal；
The full-vehicle control unit detects vehicle-state, and pass through institute after receiving the charging and waking up enable signal
Whether the voltage value for stating voltage detection circuit detection CP signal meets predeterminated voltage condition；
The full-vehicle control unit meets predeterminated voltage item in the voltage value of vehicle fault-free, the less than electricity of battery and CP signal
Vehicle is controlled when part enters charge mode to charge.
Second aspect, the embodiment of the present application also provide a kind of charging awakening method, are applied to vehicle, which comprises
When external charging equipment is connect with vehicle and vehicle is in charge mode, if detecting, external charging equipment is stopped
Electricity then controls vehicle and enters suspend mode；
Upon entering a sleep mode, if detecting, the voltage value of the CP signal of external charging equipment meets predeterminated voltage condition
And the CC resistance value of external charging equipment meets preset resistance condition, then wakes up vehicle to exit suspend mode；
Detection vehicle-state with according to obtained car status information judge whether to control vehicle enter charge mode with into
Row charging.
Optionally, in the embodiment of the present application, it is described external charging equipment connect with vehicle and vehicle be in charging mould
When formula, if detecting, external charging equipment has a power failure, and before controlling the step of vehicle enters suspend mode, the method is also wrapped
It includes:
When detecting that external charging equipment accesses vehicle, it is default whether the CC resistance value of detection external charging equipment meets
Resistance condition；
If satisfied, then waking up vehicle, and detects vehicle-state and obtain car status information and detect external charging equipment
Whether the voltage value of CP signal meets the predeterminated voltage condition；
Determining that the voltage value of the less than electricity of vehicle fault-free, battery and CP signal meets institute according to the car status information
When stating predeterminated voltage condition, control vehicle enters charge mode to charge.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of charging awakening method, when vehicle is in charging process, if charge port detects
The external charging equipment power failure that unit detects as Vehicular charging then stops sending the enabled letter of charging wake-up to full-vehicle control unit
Number, so that full-vehicle control unit control vehicle enters suspend mode.When vehicle is in suspend mode, if charge port detection is single
Member detects that the voltage value of the CP signal of external charging equipment meets the CC resistance value of predeterminated voltage condition and external charging equipment
Meet preset resistance condition, then sends charging to full-vehicle control unit and wake up enable signal.Full-vehicle control unit is based on receiving
Charging wake up enable signal control vehicle and exit suspend mode, and judge whether that entering charge mode carries out according to vehicle-state
Charging.As a result, when vehicle is when carrying out AC charging, if AC power source has a power failure, vehicle can be reduced automatically into suspend mode
The power consumption of vehicle；If AC power source is sent a telegram here again, vehicle can be started to charge voluntarily.That is, when AC power source is effective, vehicle
It can real time charging.It can avoid needing user to carry out charging operations vehicle ability again after the incoming call again that has a power failure through the above way
The deficiency of charging, to promote the user satisfaction of user.
For enable application above objects, features, and advantages be clearer and more comprehensible, the application preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the connection schematic diagram of external charging equipment and vehicle provided by the embodiments of the present application.
Fig. 2 is one of the flow diagram of charging awakening method provided by the embodiments of the present application.
Fig. 3 is the flow diagram for the sub-step that step S130 includes in Fig. 2.
Fig. 4 is one of the flow diagram of sub-step that step S140 includes in Fig. 2.
Fig. 5 is the two of the flow diagram for the sub-step that step S140 includes in Fig. 2.
Fig. 6 is the two of the flow diagram of charging awakening method provided by the embodiments of the present application.
Fig. 7 is the three of the flow diagram of charging awakening method provided by the embodiments of the present application.
Fig. 8 is the four of the flow diagram of charging awakening method provided by the embodiments of the present application.
Fig. 9 is the five of the flow diagram of charging awakening method provided by the embodiments of the present application.
Icon: 100- vehicle；110- charge port detection unit；111- wakes up subelement；112- resistance detection circuit；113-
Voltage detection circuit；115- controls subelement；120- full-vehicle control unit；200- external charging equipment.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Usually exist
The component of the embodiment of the present application described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed the application's to the detailed description of the embodiments herein provided in the accompanying drawings below
Range, but it is merely representative of the selected embodiment of the application.Based on embodiments herein, those skilled in the art are not being done
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, Fig. 1 is the connection signal of external charging equipment 200 and vehicle 100 provided by the embodiments of the present application
Figure.External charging equipment 200 is for providing alternating current.Vehicle 100 and the external charging equipment 200 are electrically connected, based on described
The alternating current that external charging equipment 200 provides charges.In the present embodiment, vehicle 100 is in charging due to external charging
Equipment 200 has a power failure after carrying out suspend mode, if external charging equipment 200 is sent a telegram here, vehicle 100 needs not move through user and operates again
Charging process can automatic charging.
In the present embodiment, the external charging equipment 200 includes power supply control apparatus, the connecting line for power supply and company
The CC resistance being arranged in wiring.The vehicle 100 includes the charge port detection unit 110 and full-vehicle control unit of communication connection
120.The charge port detection unit 110 is electrically connected with external charging equipment 200, is in vehicle 100 because external charging is set
When having a power failure for 200 and being in suspend mode, the electricity based on the CC resistance value and CP signal for detecting obtained external charging equipment 200
Pressure value judges whether that sending charging to the full-vehicle control unit 120 wakes up enable signal, to wake up vehicle 100.
Optionally, the charge port detection unit 110 may include the wake-up subelement 111 and control son list of communication connection
Member 115.Wherein, the subelement 111 that wakes up may include resistance detection circuit 112 for detecting CC resistance value and for examining
Survey the voltage detection circuit 113 of CP signal voltage value relevant to power supply control apparatus.
Wherein, left side of dotted line is charging plug in the box in Fig. 1 where CC resistance, and right side is charging socket, base
The connection of external charging equipment 200 and vehicle 100 is realized in the cooperation of the charging plug, charging socket.
Optionally, the vehicle 100 can also include Vehicular charger, VCU (vehicle Controller Unit, it is whole
Vehicle controller), BMS (Battery Mangement System, battery management system) etc., the charge port detection unit 110
It can be the inside detection module that Vehicular charger, VCU or BMS are set.Full-vehicle control unit 120 can be VCU, BMS or
Other controllers.
It is appreciated that structure shown in FIG. 1 is only signal, external charging equipment 200 and vehicle 100, which may also include, compares Fig. 1
Shown in more perhaps less component or with the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can be adopted
It is realized with hardware, software, or its combination.
Referring to figure 2., Fig. 2 is one of the flow diagram of charging awakening method provided by the embodiments of the present application.The side
Method is applied to vehicle 100, and the vehicle 100 includes the charge port detection unit 110 and full-vehicle control unit 120 of communication connection.
The detailed process of charging awakening method is described in detail below.
Step S120, if the charge port detection unit 110 detects external charging equipment 200 during Vehicular charging
Have a power failure, then stops sending charging wake-up enable signal to the full-vehicle control unit 120, so that the full-vehicle control unit 120
It controls vehicle 100 and enters suspend mode.
In the present embodiment, in the charging of vehicle 100 and underfill, if the charge port detection unit 110 detects outside
The lower electricity of portion's charging equipment 200 then stops sending charging wake-up enable signal to the full-vehicle control unit 120.The vehicle control
Unit 120 processed then enters suspend mode after not receiving charging and waking up enable signal.It encounters during the charging process as a result, outer
When portion's charging equipment 200 has a power failure, the vehicle 100 enters suspend mode, can reduce power consumption.
In the present embodiment, the charge port detection unit 110 may include wake-up subelement 111 and the control of communication connection
Subunit 115, wherein the wake-up subelement 111 includes resistance detection circuit 112 and voltage detection circuit 113.It is optional
Ground can detect whether external charging equipment 200 provides electric energy by other measure loops, if not providing electric energy, wake up subelement
111 can determine that electricity under external charging equipment 200.Alternatively, passing through the detection of voltage detection circuit 113 and external charging equipment 200
The voltage value of the relevant CP signal of middle power supply control apparatus, if the voltage value of the CP signal detected and external charging equipment 200
The voltage value for the CP signal not detected when lower electricity is different, then can be determined that electric under external charging equipment 200.It is described as a result, to fill
The whether lower electricity of external charging equipment 200 can be detected in power port detection unit 110.Of course, it should be understood that the charge port inspection
Surveying unit 110 can also detect by other means whether external charging equipment 200 has a power failure.
Step S130, after entering the suspend mode, if the charge port detection unit 110 detects that the outside is filled
The voltage value of the CP signal of electric equipment 200 meets predeterminated voltage condition and CC resistance value meets preset resistance condition, then to described
Full-vehicle control unit 120 sends charging and wakes up enable signal.
In the present embodiment, when being in suspend mode, if the charge port detection unit 110 detects that external charging is set
Standby 200 CP signal and CC resistance value is effective, then sends the charging to the full-vehicle control unit 120 and wake up enable signal,
The vehicle 100 to be waken up from suspend mode.
Referring to figure 3., Fig. 3 is the flow diagram for the sub-step that step S130 includes in Fig. 2.Step S130 may include
Sub-step S131, sub-step S132 and sub-step S133.
Sub-step S131, after entering the suspend mode, if the voltage detection circuit 113 detects the CP signal
Voltage value meet the predeterminated voltage condition, then send wake-up signal to the control subelement 115.
Sub-step S132, the control subelement 115 obtain the CC resistance value by the resistance detection circuit 112,
And the CC resistance value is compared with the preset resistance condition, obtain resistance comparison result.
Sub-step S133, if the control subelement 115 receives the wake-up signal and the resistance comparison result is
The CC resistance value meets the preset resistance condition, and the control subelement 115 is then sent to the full-vehicle control unit 120
The charging wakes up enable signal.
In the present embodiment, if the voltage value of CP signal meets the predeterminated voltage condition, the voltage detection circuit 113
It is then triggered, and then triggers and wake up subelement 111.Then, control subelement 115 is obtained based on the resistance detection circuit 112
CC resistance value.If CC resistance value meets the preset resistance condition, then it represents that the external charging equipment 200 and vehicle 100
Connection is normal.If CC resistance value is unsatisfactory for the preset resistance condition, then it represents that the external charging equipment 200 and vehicle 100
Malunion it is normal, for example, external charging equipment 200 is not connect correctly with vehicle 100 or the external charging equipment 200
CC resistance and vehicle 100 mismatch, and can not be the vehicle 100 charging by the external charging equipment 200.Therefore, in CP signal
Voltage value meet the predeterminated voltage condition and when CC resistance value meets the preset resistance condition, the control subelement
115 can send the charging to the full-vehicle control unit 120 wakes up enable signal.Optionally, the control subelement 115 can
It is sent so that the charging is waken up enable signal based on hard signal or CAN (Controller Area Network) communication etc.
To the full-vehicle control unit 120.
Optionally, the predeterminated voltage condition and the preset resistance condition can be configured according to the actual situation.Than
Such as, the preset resistance condition is that can be used for the CC resistance value of the external charging equipment 200 to charge for the vehicle 100, is being detected
When to CC resistance value, the CC resistance value that will test is compared with each CC resistance value in the preset resistance condition, if
The CC resistance value detected is consistent with some CC resistance value in the preset resistance condition, then can determine that the CC resistance value has
Effect, current external charging equipment 200 can be used for charging for the vehicle 100.
The voltage value for the CP signal that the predeterminated voltage condition can detect when not lower electric for external charging equipment 200；
Alternatively, when can revert to electricity by lower electricity for external charging equipment 200, the smallest increment value of the voltage value of the CP signal.
For example, under normal circumstances, as shown in Figure 1, voltage detection circuit 113 and a switch connect, having a power failure in external charging equipment 200
When, the contact jaw connection of 12V is switched and is labeled as, the voltage value that voltage detection circuit 113 obtains at this time is 0.In such case
Under, charge port detection unit 110 then can determine that external charging equipment 200 has a power failure, and stops sending to full-vehicle control unit 120 and charge
Wake up enable signal.In external charging equipment 200 incoming call, it is connect due to switching with the contact jaw for being labeled as 12V, at this time voltage
The voltage value that measure loop 113 obtains is 12V, and then the switch can be connect with the contact jaw for being labeled as PWM, at this time voltage detecting
The value for the PWM wave that circuit 113 obtains increases to 6V or more by 0V.Since after external charging equipment 200 restores electricity, CP believes
Number voltage value 6V or more can be risen to by 0V, therefore, if can be set detection CP signal voltage value increment value be greater than 6V,
Then determine that the CP signal is effective.
Step S140, the full-vehicle control unit 120 control the vehicle after receiving the charging and waking up enable signal
100 exit suspend mode, and judge whether to enter charge mode according to vehicle-state to charge.
In the present embodiment, the full-vehicle control unit 120 wakes up enable signal based on the charging received, by vehicle
100 wake up, and then obtain car status information by detection, to be judged whether to enter charge mode according to the car status information
It is charged with the battery to vehicle 100.
Referring to figure 4., Fig. 4 is one of the flow diagram of sub-step that step S140 includes in Fig. 2.Step S140 can be with
Including sub-step S141 and sub-step S142.
Sub-step S141, the full-vehicle control unit 120 wake up each control after receiving charging and waking up enable signal
Device, to obtain car status information by each controller.
Sub-step S142, if determining 100 fault-free of vehicle and the less than electricity of battery according to the obtained car status information,
The full-vehicle control unit 120 controls vehicle 100 and enters charge mode to charge.
In the present embodiment, the full-vehicle control unit 120 wakes up each controller, is obtained based on each controller after wake-up
To the car status information of the vehicle 100.The car status information being then based on judges vehicle 100 with the presence or absence of event
The whether full electricity of battery in barrier and vehicle 100 can be such that vehicle 100 enters and fill if 100 fault-free of vehicle and the less than electricity of battery
Power mode charges the battery.
Optionally, the control of full-vehicle control unit 120 vehicle 100 enters the step of charge mode is to be charged packet
Include: the full-vehicle control unit 120 controls high tension loop closure, to start to charge；During the charging process, the full-vehicle control list
The whether full electricity of first 120 real-time detection batteries；If less than electricity, the full-vehicle control unit 120 controls vehicle 100 and keeps charging
Mode；If full electricity, the full-vehicle control unit 120 controls vehicle 100 into suspend mode.External charging equipment 200 as a result,
It can be direct current by the AC conversion that the Vehicular charger of vehicle 100 provides external charging equipment 200, and pass through closure
High tension loop be battery charging.If battery is fully charged, the full-vehicle control unit 120 disconnects the high tension loop, and one
Vehicle 100 is controlled after fixing time enters suspend mode.If battery underfill electricity, the full-vehicle control unit 120 do not control vehicle
100 exit charge mode.
Referring to figure 5., Fig. 5 is the two of the flow diagram for the sub-step that step S140 includes in Fig. 2.Step S140 may be used also
To include sub-step S143 and sub-step S144.
Sub-step S143, if determining vehicle 100 according to the car status information, there are failure, the full-vehicle control units
120 save fault message, and control vehicle 100 into suspend mode.
Sub-step S144, if determining that the full electricity of battery, the full-vehicle control unit 120 are controlled according to the car status information
Vehicle 100 processed enters suspend mode.
In the present embodiment, after waking up vehicle 100, if determining vehicle according to the obtained car status information
100 there are failure, the full-vehicle control units 120 then to save corresponding fault message, so that subsequent analysis failure is former
Cause repairs failure, and controls vehicle 100 into suspend mode.If after waking up vehicle 100, according to the obtained vehicle
Status information determines the full electricity of the battery, i.e., the battery does not need to charge, and in this case, the full-vehicle control unit 120 is controlled
Vehicle 100 processed carries out suspend mode again.
Optionally, in the present embodiment, the full-vehicle control unit 120 controls the step of vehicle 100 enters suspend mode
Include:
The full-vehicle control unit 120 sends dormancy instruction to charge port detection unit 110；
The charge port detection unit 110 stops sending the charging wake-up enable signal, so that vehicle 100 enters suspend mode
Mode.
In the present embodiment, after determination will control the entrance suspend mode of vehicle 100, the full-vehicle control unit 120 is logical
It crosses to charge port detection unit 110 and sends dormancy instruction, so that charge port detection unit 110 stops sending the charging and waking up making
It can signal.The full-vehicle control unit 120 controls other controllers due to not receiving the charging wake-up signal as a result,
So that other controller suspend mode.As a result, vehicle 100 enters suspend mode.
Fig. 6 is please referred to, Fig. 7 is the two of the flow diagram of charging awakening method provided by the embodiments of the present application.The side
Method can also include step S136 and step S137.In the CC resistance for receiving the wake-up signal and external charging equipment 200
When value is unsatisfactory for the preset resistance condition, step S136 and step S137 is executed.
Step S136 is receiving the wake-up signal and the resistance comparison result does not meet institute for the CC resistance value
When stating preset resistance condition, if the control subelement 115 is examined within the default waiting time by the resistance detection circuit 112
CC resistance change is measured, it is described default that the control subelement 115 then judges whether the CC resistance value after variation meets again
Resistance condition.
Step S137 is receiving the wake-up signal and the resistance comparison result does not meet institute for the CC resistance value
It is described if CC resistance change is not detected within the default waiting time in the control subelement 115 when stating preset resistance condition
Full-vehicle control unit 120 then continues control vehicle 100 and is in suspend mode.
It in the present embodiment, is that the CC resistance value is not inconsistent receiving the wake-up signal and the resistance comparison result
When closing the preset resistance condition, if the control subelement 115 passes through the resistance before the default waiting time terminates
Measure loop 112 detects CC resistance change, then whether the CC resistance value after judging variation meets the preset resistance condition.
If satisfied, then executing sub-step S133, that is, send charging to full-vehicle control unit 120 and wake up enable signal.It is held if being unsatisfactory for
Row step S137 executes step S136 again.
If CC resistance change is not detected always in the control subelement 115 at the end of the default waiting time,
And the CC resistance value is unsatisfactory for the preset resistance condition, in this case, the control subelement 115 will not be to described whole
Vehicle control unit 120 sends the charging and wakes up enable signal, and the vehicle 100 keeps suspend mode.Wherein, described pre-
If the waiting time can be configured according to actual needs, for example, being set as 2 minutes.
Fig. 7 is please referred to, Fig. 7 is the three of the flow diagram of charging awakening method provided by the embodiments of the present application.In step
Before S120, the method can also include step S111~step S113.
Step S111, the charge port detection unit 110 are detecting the outside by the resistance detection circuit 112
When charging equipment 200 accesses, if detecting, the CC resistance value of the external charging equipment 200 meets preset resistance condition, to
The full-vehicle control unit 120 sends the charging and wakes up enable signal.
Step S112, the full-vehicle control unit 120 detect vehicle shape after receiving the charging and waking up enable signal
State, and whether predeterminated voltage condition is met by the voltage value that the voltage detection circuit 113 detects CP signal.
Step S113, voltage of the full-vehicle control unit 120 in 100 fault-free of vehicle, the less than electricity of battery and CP signal
Vehicle 100 is controlled when value meets predeterminated voltage condition enters charge mode to charge.
In the present embodiment, after external charging equipment 200 is inserted into vehicle 100 for the first time, the charge port detection unit 110
The CC resistance value of external charging equipment 200 can be detected by resistance detection circuit 112, and judge whether the CC resistance value meets institute
State preset resistance condition.If satisfied, can send charging to full-vehicle control unit 120 wakes up enable signal, to wake up vehicle 100.
After vehicle 100 is waken up, full-vehicle control unit 120 obtains car status information based on each controller of wake-up to judge vehicle
State.Meanwhile the charge port detection unit 110 detects described in whether CP signal relevant to external charging equipment 200 meet
Predeterminated voltage condition.Determining that 100 fault-free of vehicle, the voltage value of the CP signal detected are full based on the car status information
When the foot predeterminated voltage condition and less than electric battery, the full-vehicle control unit 120 controls vehicle 100 and enters charge mode,
To charge the battery.By retaining CC wake-up signal (i.e. CC resistance value meets preset resistance condition wake-up vehicle 100), vehicle
100 after first time is waken up by CC, can directly judge vehicle 100 with the presence or absence of failure and the whether full electricity of battery, without waiting
External charging equipment 200 just works when powering.Wherein, if the external charging equipment 200 is charging gun, above-mentioned is " first
Secondary insertion ", which then refers to insert, robs the operation.CP signal in this programme wakes up charging and refers to that charging gun is inserted on charging socket always
Increased arousal function when state is in connection status with vehicle 100 always although that is, external charging equipment 200 has a power failure.
In the present embodiment, by the above-mentioned means, vehicle 100 is in charging terminates, electricity or exists under external charging equipment 200
When failure is without charging, vehicle 100 can enter suspend mode, thus can reduce 100 power consumption of vehicle.Also, in external charging
Incoming call makes the lower electricity of equipment 200 again, and vehicle 100 can automatically begin to charge, and do not need user and operate charging process again, be conducive to charging
Convenience row and perfect.
Charging awakening method is illustrated below.
Assuming that charge port detection unit 110 is arranged on Vehicular charger, full-vehicle control unit 120 includes VCU and BMS.
During the charging process, if the 220VAC alternating current that external charging equipment 200 provides is suddenly without electricity, vehicle 100 waits vehicle 100
Second default waiting time (for example, 2 minutes).If after the second default waiting time, the still lower electricity of external charging equipment 200,
Vehicle 100 then enters suspend mode, to reduce system power dissipation.
When external charging equipment 200 is sent a telegram here, the voltage of the voltage detection circuit 113 first rises to 12V, then root by 0V
According to standard strategy timing variations.At this point, the voltage value of CP signal wakes up subelement 111, and wake up control subelement 115,
Vehicular charger is integrally waken up.
If the charge port detection unit 110 of Vehicular charger detects that the CC resistance value of external charging equipment 200 meets institute
Preset resistance condition is stated, Vehicular charger then exports charging and wakes up enable signal or issue wake-up message, and it is related to wake up vehicle 100
Controller, for example, VCU, BMS, instrument etc..Then, the VCU being waken up wakes up other related controller, with based on being waken up
Other related controller obtain the Some vehicles status information of vehicle 100.The BMS being waken up can obtain the information about power of battery,
To judge the whether full electricity of battery.Wherein, car status information may include the Some vehicles status information and information about power.
VCU sends charge control to BMS and opens when based on Some vehicles status information judgement 100 fault-free of vehicle is obtained
Begin to instruct.BMS is receiving the charge control sign on, and determines the less than electricity of battery based on the obtained information about power
When, closed high circuit, and charge requirement instruction is sent to Vehicular charger.Wherein, charge requirement instruction may include charging
Voltage and charging current.Vehicular charger is after receiving the charge requirement instruction of BMS transmission, based on charge requirement instruction pair
Battery charges.
In an embodiment of the present embodiment, when needing to charge, BMS continues to send to charge to Vehicular charger to need
Ask instruction.BMS stops transmission charge requirement and instructs to Vehicular charger after detecting that battery is fully charged, and disconnects vehicle-mounted fill
The high tension loop of motor and battery.Then, BMS sends dormancy instruction to Vehicular charger, Vehicular charger then suspend mode, and stops
The charging is sent to wake up enable signal or wake up message.Since vehicle 100 does not receive any wake-up signal, vehicle 100 into
Enter dormant state, stops charging.
Optionally, after vehicle 100 is waken up by CP signal, if there are failures to charge for vehicle 100, related controller
Save fault message.BMS sends dormancy instruction to Vehicular charger, Vehicular charger suspend mode and stopping send charging wake up it is enabled
Signal.Vehicle 100 does not receive any wake-up information, into suspend mode.
Optionally, after vehicle 100 is waken up by CP signal, battery is full electricity, and BMS then sends dormancy instruction to vehicle-mounted charge
Machine, Vehicular charger suspend mode simultaneously stop sending charging wake-up signal.Vehicle 100 does not receive any wake-up signal, into suspend mode
Mode.
Fig. 8 is please referred to, Fig. 8 is the four of the flow diagram of charging awakening method provided by the embodiments of the present application.The side
Method is applied to vehicle 100.The charging awakening method is illustrated below.
Step S220, when external charging equipment 200 is connect with vehicle 100 and vehicle 100 is in charge mode, if detection
Have a power failure to external charging equipment 200, then controls vehicle 100 into suspend mode.
Step S230, upon entering a sleep mode, if detecting, the voltage value of the CP signal of external charging equipment 200 meets
The CC resistance value of predeterminated voltage condition and external charging equipment 200 meets preset resistance condition, then wakes up vehicle 100 to exit not
Sleep mode.
Step S240 detects vehicle-state to judge whether that controlling vehicle 100 enters according to obtained car status information
Charge mode is to charge.
Fig. 9 is please referred to, Fig. 9 is the five of the flow diagram of charging awakening method provided by the embodiments of the present application.In step
Before S220, the method can also include step S211~step S213.
Step S211 detects the CC of external charging equipment 200 when detecting that external charging equipment 200 accesses vehicle 100
Whether resistance value meets preset resistance condition.
Step S212 if satisfied, then waking up vehicle 100, and detects vehicle-state and obtains outside car status information and detection
Whether the voltage value of the CP signal of portion's charging equipment 200 meets the predeterminated voltage condition.
Step S213 is determining that 100 fault-free of vehicle, battery are less than electric and CP signal according to the car status information
When voltage value meets the predeterminated voltage condition, control vehicle 100 enters charge mode to charge.
In the present embodiment, the specific descriptions about the charging awakening method are referred to above to step S111~step
The description of rapid S140.
In conclusion the embodiment of the present application provides a kind of charging awakening method, when vehicle is in charging process, if filling
The external charging equipment power failure that power port detection unit detects as Vehicular charging then stops sending to charge to full-vehicle control unit calling out
Awake enable signal, so that full-vehicle control unit control vehicle enters suspend mode.When vehicle is in suspend mode, if charge port
Detection sub-unit detects that the voltage value of the CP signal of external charging equipment meets predeterminated voltage condition and external charging equipment
CC resistance value meets preset resistance condition, then sends charging to full-vehicle control unit and wake up enable signal.Full-vehicle control unit base
Enable signal control vehicle is waken up in the charging received and exits suspend mode, and is judged whether to enter charging according to vehicle-state
Mode charges.As a result, when vehicle is when carrying out AC charging, if AC power source has a power failure, vehicle is automatically into suspend mode mould
Formula can reduce the power consumption of vehicle；If AC power source is sent a telegram here again, vehicle can be started to charge voluntarily.That is, in AC power source
When effective, vehicle energy real time charging.It can avoid needing user to carry out charging behaviour again after the incoming call again that has a power failure through the above way
Make the deficiency that vehicle could charge, to promote the user satisfaction of user.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of charging awakening method, which is characterized in that be applied to vehicle, the vehicle includes the charge port detection of communication connection
Unit and full-vehicle control unit, which comprises
If the charge port detection unit detects that external charging equipment has a power failure during Vehicular charging, stop to described whole
Vehicle control unit sends charging and wakes up enable signal, so that full-vehicle control unit control vehicle enters suspend mode；
After entering the suspend mode, if the charge port detection unit detects the CP signal of the external charging equipment
Voltage value meets predeterminated voltage condition and CC resistance value meets preset resistance condition, then sends and charge to the full-vehicle control unit
Wake up enable signal；
The full-vehicle control unit controls the vehicle and exits suspend mode after receiving the charging and waking up enable signal,
And judge whether to enter charge mode according to vehicle-state to charge.
2. the method according to claim 1, wherein the charge port detection unit includes the wake-up of communication connection
Subelement and control subelement, the wake-up subelement includes resistance detection circuit, voltage detection circuit, described described in the entrance
After suspend mode, preset if the charge port detection unit detects that the voltage value of the CP signal of the external charging equipment meets
Voltage conditions and CC resistance value meets preset resistance condition then send charging to the full-vehicle control unit and wake up enable signal
Step includes:
After entering the suspend mode, if to detect that the voltage value of the CP signal meets described pre- for the voltage detection circuit
If voltage conditions, then wake-up signal is sent to the control subelement；
The control subelement obtains the CC resistance value by the resistance detection circuit, and by the CC resistance value with it is described
Preset resistance condition is compared, and obtains resistance comparison result；
If the control subelement receives the wake-up signal and the resistance comparison result meets institute for the CC resistance value
Preset resistance condition is stated, the control subelement then sends the charging to the full-vehicle control unit and wakes up enable signal.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
The preset resistance item is not met receiving the wake-up signal and the resistance comparison result for the CC resistance value
When part, if the control subelement detects CC resistance change by the resistance detection circuit within the default waiting time,
The control subelement then judges whether the CC resistance value after variation meets the preset resistance condition again；
The preset resistance item is not met receiving the wake-up signal and the resistance comparison result for the CC resistance value
When part, if CC resistance change, the full-vehicle control unit is not detected within the default waiting time in the control subelement
Continue control vehicle and is in suspend mode.
4. according to the method described in claim 2, it is characterized in that, the full-vehicle control unit is receiving the charging wake-up
After enable signal, controls the vehicle and exit suspend mode, and judge whether to enter charge mode according to vehicle-state to carry out
The step of charging includes:
The full-vehicle control unit wakes up each controller, after receiving charging and waking up enable signal to obtain by each controller
To car status information；
If determining vehicle fault-free and the less than electricity of battery, the full-vehicle control unit control according to the obtained car status information
Vehicle processed enters charge mode to charge.
5. according to the method described in claim 4, it is characterized in that, full-vehicle control unit control vehicle enters charge mode
Include: with the step of being charged
The full-vehicle control unit control high tension loop closure, to start to charge；
During the charging process, the whether full electricity of the full-vehicle control unit real-time detection battery；
If less than electricity, the full-vehicle control unit control vehicle keeps charge mode；
If full electricity, the full-vehicle control unit control vehicle and enter suspend mode.
6. according to the method described in claim 4, it is characterized in that, the full-vehicle control unit is receiving the charging wake-up
After enable signal, controls the vehicle and exit suspend mode, and judge whether to enter charge mode according to vehicle-state to carry out
The step of charging further include:
If determining vehicle there are failure according to the car status information, the full-vehicle control unit saves fault message, and
Control vehicle enters suspend mode；
If determining that the full electricity of battery, the full-vehicle control unit control vehicle and enter suspend mode mould according to the car status information
Formula.
7. according to the method described in claim 4, it is characterized in that, full-vehicle control unit control vehicle enters suspend mode
The step of include:
The full-vehicle control unit sends dormancy instruction to charge port detection unit；
The charge port detection unit stops sending the charging wake-up enable signal, so that vehicle enters suspend mode.
8. if according to the method described in claim 2, it is characterized in that, in the charge port detection unit in Vehicular charging process
In detect external charging equipment have a power failure, then stop to the full-vehicle control unit send charging wake up enable signal so that institute
Before stating the step of full-vehicle control unit control vehicle enters suspend mode, the method also includes:
The charge port detection unit by the resistance detection circuit detect the external charging equipment access when, if inspection
The CC resistance value for measuring the external charging equipment meets preset resistance condition, then fills to described in full-vehicle control unit transmission
Electricity wakes up enable signal；
The full-vehicle control unit detects vehicle-state after receiving the charging and waking up enable signal, and passes through the electricity
Whether the voltage value of pressure measure loop detection CP signal meets predeterminated voltage condition；
The full-vehicle control unit is when the voltage value of vehicle fault-free, the less than electricity of battery and CP signal meets predeterminated voltage condition
Control vehicle enters charge mode to charge.
9. a kind of charging awakening method, which is characterized in that be applied to vehicle, which comprises
When external charging equipment is connect with vehicle and vehicle is in charge mode, if detecting, external charging equipment has a power failure,
Control vehicle enters suspend mode；
Upon entering a sleep mode, if detecting, the voltage value of the CP signal of external charging equipment meets predeterminated voltage condition and outer
The CC resistance value of portion's charging equipment meets preset resistance condition, then wakes up vehicle to exit suspend mode；
Detection vehicle-state is to judge whether that controlling vehicle enters charge mode to be filled according to obtained car status information
Electricity.
10. according to the method described in claim 9, it is characterized in that, described connect and vehicle in external charging equipment with vehicle
When in charge mode, if detecting, external charging equipment has a power failure, described before controlling the step of vehicle enters suspend mode
Method further include:
When detecting that external charging equipment accesses vehicle, whether the CC resistance value of detection external charging equipment meets preset resistance
Condition；
If satisfied, then waking up vehicle, and detects vehicle-state and obtain car status information and detect the CP letter of external charging equipment
Number voltage value whether meet the predeterminated voltage condition；
It is described pre- determining that less than electric and CP signal the voltage value of vehicle fault-free, battery meets according to the car status information
If when voltage conditions, control vehicle enters charge mode to charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243315.3A CN109334505A (en) | 2018-10-24 | 2018-10-24 | Charge awakening method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243315.3A CN109334505A (en) | 2018-10-24 | 2018-10-24 | Charge awakening method |
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| CN201811243315.3A Pending CN109334505A (en) | 2018-10-24 | 2018-10-24 | Charge awakening method |
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| CN111293760A (en) * | 2020-03-30 | 2020-06-16 | 重庆长安新能源汽车科技有限公司 | Electric automobile charging awakening and sleeping control circuit, control method and automobile |
| CN111319499A (en) * | 2020-02-19 | 2020-06-23 | 上海易沐科技有限公司 | Charging pile, vehicle control system and method for awakening vehicle by charging pile |
| CN112477693A (en) * | 2020-11-12 | 2021-03-12 | 浙江合众新能源汽车有限公司 | Slow charging control method and device |
| CN112572176A (en) * | 2020-12-15 | 2021-03-30 | 嘉兴云驰智能科技有限公司 | Control method for automatic restarting charging of vehicle-mounted charger |
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| CN112959893A (en) * | 2021-03-05 | 2021-06-15 | 东风小康汽车有限公司重庆分公司 | Responding method and device for wake-up signal disconnection |
| CN113442750A (en) * | 2021-06-16 | 2021-09-28 | 东风汽车集团股份有限公司 | Charging port cover control method, charging pile, vehicle, medium and equipment |
| CN114683849A (en) * | 2021-10-25 | 2022-07-01 | 北京新能源汽车股份有限公司 | Charging pile abnormal awakening determination method, prompting method and device |
| CN114683849B (en) * | 2021-10-25 | 2024-03-22 | 北京新能源汽车股份有限公司 | Charging pile abnormal awakening determination method, prompting method and device |
| CN114290923A (en) * | 2021-12-31 | 2022-04-08 | 上海洛轲智能科技有限公司 | Charging method, device, equipment and computer readable storage medium |
| CN114670640A (en) * | 2022-02-28 | 2022-06-28 | 阿尔特汽车技术股份有限公司 | Electric vehicle and power-on and power-off control method and system thereof |
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