CN107521369B - Method for charging electric automobile - Google Patents
Method for charging electric automobile Download PDFInfo
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- CN107521369B CN107521369B CN201710798038.1A CN201710798038A CN107521369B CN 107521369 B CN107521369 B CN 107521369B CN 201710798038 A CN201710798038 A CN 201710798038A CN 107521369 B CN107521369 B CN 107521369B
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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
- 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
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
-
- 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
-
- 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]
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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
-
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a method for charging an electric vehicle, which comprises the steps of detecting the electric vehicle connected to a charging power supply; estimating a state of the rechargeable battery; at least one of the normal and fast charging modes is selected based on the estimated state, and the rechargeable battery is charged based on said charging mode. The invention can self-define or automatically adjust the selection of the charging mode and the charging mode, thereby allowing a user of the electric automobile to self-select the charging mode or self-define the charging mode under guidance, and self-select between the charging speed and the service life of the battery, for example, appropriately sacrificing the service life of the battery when the electric automobile is in urgent need of use and replacing the charging speed with a faster charging speed.
Description
Technical Field
The invention relates to the field of charging, in particular to a method for charging an electric automobile.
Background
The charging of the existing electric vehicle generally has at least a normal charging mode and a fast charging mode. In different charging modes, the device can perform different charging operations, but as the battery is used, the state of the battery changes, and the fixed preset charging mode may not be applicable any more, which often means the end of the service life of the battery, and the replacement of the battery becomes an imminent matter. However, not all electric vehicles allow for battery replacement or not all users would be willing to replace batteries. Meanwhile, the currently provided charging method for the electric vehicle has no user's participation, that is, the user can only select from several provided charging modes, but cannot further set the charging mode, so that the user cannot autonomously select the charging of the battery, that is, the user cannot autonomously select whether the battery life or the charging speed is required, but for many users, the autonomous selection is an enjoyment or a higher-level experience, for example, a high-level user, who can save the charging time and use the electric vehicle as soon as possible when the faster charging speed is required, and abandon the continuation of part of the battery life.
It is therefore a possible need to adjust the charging mode of the battery.
Disclosure of Invention
The invention provides a charging method capable of self-defining charging mode, which allows a user to manually adjust the charging mode when setting a device, wherein the adjustment is performed under the prompt of equipment or is completely set to be automatically performed.
The method comprises the following steps:
detecting the electric vehicle connected to a charging power supply;
estimating the state of a rechargeable battery of the electric vehicle;
providing at least one normal and fast charge mode for user selection of the electric vehicle based on the estimated state,
and charging the rechargeable battery according to the selected charging mode.
Still further or preferably, the estimating of the state of the rechargeable battery of the electric vehicle is followed by displaying the state to a user of the electric vehicle, where the state includes a current remaining capacity of the rechargeable battery and an estimated probable number of times of remaining recharging or a service life of the rechargeable battery.
Still further or preferably, the fast charge mode is selectable only when the remaining power is above a first predetermined threshold level and below a second predetermined threshold level, and the first predetermined threshold level is below the second predetermined threshold level.
Still further or preferably, the normal charging mode and the fast charging mode each include a plurality of constant current charging phases in which charging current is kept constant and a plurality of constant voltage charging phases in which charging voltage is kept constant, and the charging current used in the constant current charging phase in the fast charging mode is larger than the charging current used in the constant current charging phase in the normal charging mode, and the duration of the constant current charging phase in the fast charging mode is limited below a preset first time threshold, and the interval time between the plurality of constant current charging phases is limited above a preset second time threshold.
Still further or preferably, prior to the user selection of the at least one normal and fast charging modes for the electric vehicle, further comprising performing charging settings for the electric vehicle, the charging settings comprising: setting a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of constant current charging stages in a normal charging mode, the number of constant voltage charging stages in a normal charging mode, the number of constant current charging stages in a rapid charging mode and the number of constant voltage charging stages in a rapid charging mode, and the electric vehicle provides setting suggestions of the first preset threshold level, the second preset threshold level, the first time threshold, the second time threshold, the number of constant current charging stages in the normal charging mode, the number of constant voltage charging stages in the normal charging mode, the number of constant current charging stages in the rapid charging mode and the number of constant voltage charging stages in the rapid charging mode according to the state of the charging battery, wherein the suggestions comprise the first preset threshold level, the second preset threshold level, the first time threshold level, the second time threshold level, the number of constant current charging, The method comprises the steps that a first time threshold value, a second time threshold value, the number of times of a constant-current charging stage in a normal charging mode, the number of times of a constant-voltage charging stage in a normal charging mode, the number of times of a constant-current charging stage in a quick charging mode and the number of times of the constant-voltage charging stage in the quick charging mode can be set to be upper and lower limit values, and the electric automobile gives time required by full charging under the current setting condition and influence on the service life of a battery possibly caused by the time according to the setting value of a user.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1.
The method for charging the electric automobile comprises the following steps:
detecting the electric vehicle connected to a charging power supply;
estimating the state of a rechargeable battery of the electric vehicle;
providing at least one normal and fast charge mode for user selection of the electric vehicle based on the estimated state,
and charging the rechargeable battery according to the selected charging mode.
Still further or preferably, the estimating of the state of the rechargeable battery of the electric vehicle is followed by displaying the state to a user of the electric vehicle, where the state includes a current remaining capacity of the rechargeable battery and an estimated probable number of times of remaining recharging or a service life of the rechargeable battery.
Still further or preferably, the fast charge mode is selectable only when the remaining power is above a first predetermined threshold level and below a second predetermined threshold level, and the first predetermined threshold level is below the second predetermined threshold level.
Still further or preferably, the normal charging mode and the fast charging mode each include a plurality of constant current charging phases in which charging current is kept constant and a plurality of constant voltage charging phases in which charging voltage is kept constant, and the charging current used in the constant current charging phase in the fast charging mode is larger than the charging current used in the constant current charging phase in the normal charging mode, and the duration of the constant current charging phase in the fast charging mode is limited below a preset first time threshold, and the interval time between the plurality of constant current charging phases is limited above a preset second time threshold.
Still further or preferably, prior to the user selection of the at least one normal and fast charging modes for the electric vehicle, further comprising performing charging settings for the electric vehicle, the charging settings comprising: setting a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of constant current charging stages in a normal charging mode, the number of constant voltage charging stages in a normal charging mode, the number of constant current charging stages in a rapid charging mode and the number of constant voltage charging stages in a rapid charging mode, and the electric vehicle provides setting suggestions of the first preset threshold level, the second preset threshold level, the first time threshold, the second time threshold, the number of constant current charging stages in the normal charging mode, the number of constant voltage charging stages in the normal charging mode, the number of constant current charging stages in the rapid charging mode and the number of constant voltage charging stages in the rapid charging mode according to the state of the charging battery, wherein the suggestions comprise the first preset threshold level, the second preset threshold level, the first time threshold level, the second time threshold level, the number of constant current charging, The method comprises the steps that a first time threshold value, a second time threshold value, the number of times of a constant-current charging stage in a normal charging mode, the number of times of a constant-voltage charging stage in a normal charging mode, the number of times of a constant-current charging stage in a quick charging mode and the number of times of the constant-voltage charging stage in the quick charging mode can be set to be upper and lower limit values, and the electric automobile gives time required by full charging under the current setting condition and influence on the service life of a battery possibly caused by the time according to the setting value of a user.
Example 2.
The method for charging the electric automobile comprises the following steps:
detecting the electric vehicle connected to a charging power supply;
estimating the state of a rechargeable battery of the electric vehicle;
providing at least one of normal and fast charging modes for user selection of the electric vehicle according to the estimated state, wherein the providing is generally provided to the user through a center control screen of the electric vehicle or a mobile terminal connected with a control module of the electric vehicle in a wired or wireless manner, or provided to the user through a screen provided on a start key of the electric vehicle,
and charging the rechargeable battery according to the selected charging mode. The detection and estimation are all common in the prior art and are not described in detail herein. The invention is in fact based on the idea of providing as many choices as possible to allow the user to have a higher order setting experience.
Still further or preferably, the estimating of the state of the rechargeable battery of the electric vehicle is followed by displaying the state to a user of the electric vehicle, where the state includes a current remaining capacity of the rechargeable battery and an estimated probable number of times of remaining recharging or a service life of the rechargeable battery.
Still further or preferably, the fast charge mode is selectable only when the remaining power is above a first predetermined threshold level and below a second predetermined threshold level, and the first predetermined threshold level is below the second predetermined threshold level.
Still further or preferably, the normal charging mode and the fast charging mode each include a plurality of constant current charging phases in which charging current is kept constant and a plurality of constant voltage charging phases in which charging voltage is kept constant, and the charging current used in the constant current charging phase in the fast charging mode is larger than the charging current used in the constant current charging phase in the normal charging mode, and the duration of the constant current charging phase in the fast charging mode is limited below a preset first time threshold, and the interval time between the plurality of constant current charging phases is limited above a preset second time threshold.
Still further or preferably, prior to the user selection of the at least one normal and fast charging modes for the electric vehicle, further comprising performing charging settings for the electric vehicle, the charging settings comprising: setting a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of constant current charging stages in a normal charging mode and the maximum charging current in the constant current stage, the number of constant voltage charging stages in the normal charging mode and the maximum charging voltage in the constant voltage charging stage, the number of constant current charging stages in a rapid charging mode and the maximum charging current in the constant current charging stage, the number of constant voltage charging stages in the rapid charging mode and the maximum charging voltage in the constant voltage charging stage, and providing the first preset threshold level, the second preset threshold level, the first time threshold, the second time threshold, the number of constant current charging stages in the normal charging mode and the maximum charging current in the constant current stage, the number of constant voltage charging stages in the normal charging mode and the maximum charging voltage in the constant voltage charging stage by the electric vehicle according to the state of the charging battery, The suggestions include a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of the constant-current charging stages in the normal charging mode, the maximum charging current in the constant-current stage, the number of the constant-voltage charging stages in the normal charging mode, the maximum charging voltage in the constant-voltage charging stage, the number of the constant-current charging stages in the rapid charging mode, the maximum charging current in the constant-current charging stage, the number of the constant-voltage charging stages in the rapid charging mode, and upper and lower limits which can be set for the maximum charging voltage in the constant-voltage charging stage, and the electric vehicle gives the time required for full charge at the current setting value and the possible time according to the setting value of a user The impact on battery life.
It should be noted here that although some items of settings are given above, it is also possible to provide the user with the option of making the selection as autonomous as possible according to the items of settings affecting the battery charging life and the charging speed, and such provision has an interactive process of guiding the user to make the settings by comprehensively analyzing different results obtained by giving different settings through a graphical interface.
Example 3.
A method of charging a rechargeable battery of an electric vehicle, comprising the steps of:
detecting the electric vehicle connected to a charging power supply and estimating the state of charge of the rechargeable battery, wherein the detection of the connection and the estimation of the state of charge are conventional technical means in the field of charging, and supplementary description is omitted, and the method can be operated by arbitrarily selecting an applicable means; at least one of normal and fast charging modes is selected based on the estimated state of charge, and the rechargeable battery is charged according to said charging mode. The state of charge here refers primarily to the current charge level and/or the state of integration of the charging current.
Further, the selection of the charging mode depends on a plurality of predefined criteria stored in the electric vehicle or in a remote control of the electric vehicle, and related to the charging state of the rechargeable battery.
Further, the criteria is allowed to be selected by a user for storage in the electric vehicle when setting up the electric vehicle.
Further, the fast charge mode may be selected only when the estimated state of charge of the rechargeable battery is above a first predetermined threshold level and below a second predetermined threshold level, and the first predetermined threshold level is below the second predetermined threshold level.
Furthermore, the normal charging mode and the fast charging mode both include a plurality of constant current charging phases in which charging current is kept constant and a plurality of constant voltage charging phases in which charging voltage is kept constant, and the charging current used in the constant current charging phase in the fast charging mode is larger than the charging current used in the constant current charging phase in the normal charging mode, and the duration of the constant current charging phase in the fast charging mode is limited below a preset first time threshold, and the interval time between the plurality of constant current charging phases is limited above a preset second time threshold.
Further, when the electric vehicle is set, the electric vehicle further comprises a function of providing information of the state of the rechargeable battery for a user, and presenting one or more possible selections to the user according to the information for the user to select and set, wherein the selections comprise a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of constant current charging stages in a normal charging mode, the number of constant voltage charging stages in the normal charging mode, the number of constant current charging stages in a rapid charging mode, and the number of constant voltage charging stages in the rapid charging mode. Or the electric automobile automatically sets a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of times of a constant current charging stage in a normal charging mode, the number of times of a constant voltage charging stage in the normal charging mode, the number of times of the constant current charging stage in a rapid charging mode and the number of times of the constant voltage charging stage in the rapid charging mode according to the information of the state of the rechargeable battery.
In summary, the present embodiment provides a charging method that is self-defined or self-adjustable, so that the battery can be adjusted according to its own state in different usage stages or under different aging degrees, and thus the battery of the electric vehicle does not need to be continuously replaced. The use cost is saved.
Claims (1)
1. A method of charging an electric vehicle comprising the steps of:
detecting the electric vehicle connected to a charging power supply;
estimating the state of a rechargeable battery of the electric vehicle;
providing at least one normal and fast charging mode for user selection of the electric vehicle based on the estimated state, and charging the rechargeable battery based on selecting said charging mode; the method is characterized in that after the state of a rechargeable battery of the electric automobile is estimated, the state is displayed to a user of the electric automobile, and the state comprises the current residual capacity of the rechargeable battery and the estimated residual chargeable times or service life of the rechargeable battery, so that the user of the electric automobile can select a charging mode from the at least one normal and quick charging modes according to the state to charge the electric automobile;
wherein a fast charge mode is selected only when the remaining amount of power is above a first predetermined threshold level and below a second predetermined threshold level, and the first predetermined threshold level is below the second predetermined threshold level;
the normal charging mode and the quick charging mode respectively comprise a plurality of constant current charging stages with constant charging current and a plurality of constant voltage charging stages with constant charging voltage, the charging current adopted by the constant current charging stage in the quick charging mode is larger than the charging current adopted by the constant current charging stage in the normal charging mode, the duration time of the constant current charging stage in the quick charging mode is limited below a preset first time threshold, and the average interval time between the constant current charging stages is limited above a preset second time threshold;
wherein prior to the providing at least one of a normal and a fast charge mode for user selection of the electric vehicle, further comprising charging settings for the electric vehicle, the charging settings comprising: setting a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of constant current charging stages in a normal charging mode and the maximum charging current in the constant current stage, the number of constant voltage charging stages in the normal charging mode and the maximum charging voltage in the constant voltage charging stage, the number of constant current charging stages in a rapid charging mode and the maximum charging current in the constant current charging stage, the number of constant voltage charging stages in the rapid charging mode and the maximum charging voltage in the constant voltage charging stage, and providing the first preset threshold level, the second preset threshold level, the first time threshold, the second time threshold, the number of constant current charging stages in the normal charging mode and the maximum charging current in the constant current stage, the number of constant voltage charging stages in the normal charging mode and the maximum charging voltage in the constant voltage charging stage by the electric vehicle according to the state of the charging battery, The method comprises the steps of setting suggestions of the number of times of a constant-current charging stage in a quick charging mode, the maximum charging current in the constant-current charging stage, the number of times of a constant-voltage charging stage in the quick charging mode and the maximum charging voltage in the constant-voltage charging stage, wherein the suggestions comprise a first preset threshold level, a second preset threshold level, a first time threshold, a second time threshold, the number of times of the constant-current charging stage in a normal charging mode, the maximum charging current in the constant-current charging stage, the number of times of the constant-voltage charging stage in the normal charging mode, the maximum charging voltage in the constant-voltage charging stage, the number of times of the constant-current charging stage in the quick charging mode, the maximum charging current in the constant-current charging stage, the number of times of the constant-voltage charging stage in the quick charging mode and the upper and lower limit values of the maximum charging voltage energy in the constant-voltage charging stage, and the electric automobile gives the The impact of battery life.
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| CN201710798038.1A CN107521369B (en) | 2017-09-06 | 2017-09-06 | Method for charging electric automobile |
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| CN201710798038.1A CN107521369B (en) | 2017-09-06 | 2017-09-06 | Method for charging electric automobile |
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| CN107612057A (en) * | 2017-09-07 | 2018-01-19 | 安徽康力节能电器科技有限公司 | A kind of charging device |
| CN107769296A (en) * | 2017-09-07 | 2018-03-06 | 安徽康力节能电器科技有限公司 | A kind of method that rechargeable battery in electronic installation charges |
| CN110509799B (en) * | 2019-09-19 | 2020-09-15 | 杨文险 | Electric vehicle charging station and charging method |
| CN112659930B (en) * | 2019-10-15 | 2024-02-23 | 联合汽车电子有限公司 | Electric vehicle charging system and method |
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| CN106627202A (en) * | 2016-11-07 | 2017-05-10 | 上海工程技术大学 | Photovoltaic direct current charging pile system |
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| CN103762391A (en) * | 2013-12-31 | 2014-04-30 | 江苏嘉钰新能源技术有限公司 | Charge method of lead-acid storage battery |
| CN105932734A (en) * | 2016-05-18 | 2016-09-07 | 成都雅骏新能源汽车科技股份有限公司 | Multistage constant voltage intermittent charge control method |
| CN107009910A (en) * | 2017-04-10 | 2017-08-04 | 贵州大学 | A kind of Multifunction self aid charging pile |
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| JP2012050267A (en) * | 2010-08-27 | 2012-03-08 | Denso Corp | Battery management device |
| CN106627202A (en) * | 2016-11-07 | 2017-05-10 | 上海工程技术大学 | Photovoltaic direct current charging pile system |
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