CN107139754A - 养护模式的充电控制策略 - Google Patents
养护模式的充电控制策略 Download PDFInfo
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- 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]
- B60L58/13—Maintaining the SoC within a determined range
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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
- B60L58/12—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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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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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
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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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
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Abstract
本发明公开了一种养护模式的充电控制策略,充电开始根据BMS发出的充电启动指令开始充电,充电电流以标准充电倍率充电,达到使电池充到一定量,此量值由充电桩设定;然后,通过小倍率0.1C充电对电池养护,充电到SOC80%,不再充电至满。本发明可以实现养护模式下的智能充电。在养护模式下时,充电桩控制系统从电动车BMS(电池控制系统)接受到电池的信息及指令后,不是完全根据BMS发出的充电电流及充电电压参数指令执行,而是对数据进行重新计算,按照养护模式执行特定的算法,对充电模块的启动停止、电流电压参数进行控制。
Description
技术领域
本发明涉及一种具有养护模式的直流充电桩充电管理系统的控制策略。
背景技术
常规的电动汽车充电控制流程是:汽车充电桩的充电控制系统通过Can口与电动汽车的BMS电池管理系统连接,根据BMS的报文启动和停止充电;根据BMS报文中的电流电压值来控制充电桩的电流电压输出。
发明内容
本发明的目的在于提供一种可以实现养护模式下的智能充电的养护模式的充电控制策略。
本发明的技术解决方案是:
一种养护模式的充电控制策略,其特征是:充电开始根据BMS发出的充电启动指令开始充电,充电电流以标准充电倍率充电,达到使电池充到一定量,此量值由充电桩设定;然后,通过小倍率0.1C充电对电池养护,充电到SOC80%,不再充电至满。
在电池组单节电池容量偏差较大时,以最小容量电池的电压值作为整组电池容量SOC的参考。
充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
分为三个阶段:
(1)一阶段:SOC<60%
充电的电流电压按照BMS的需求参数来提供,按照以下算法提供充电的电流电压参数;
(2)二阶段:60%<SOC<80%
在充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
其中,u表示设置输出电压值, 单位V;
k表示系数,充电倍率;
C表示电池组额定容量,单位AH;
u输出电压值,在控制板与BMS 通讯时,从BMS获取;
系数k取值0.1;
电池组额定容量C,在控制板与BMS 通讯时,从BMS获取;
(3)三阶段:停止充电:
1)电动车BMS发送的电池的信息SOC>80%;
2)电动车BMS发送的停止充电指令;
3)电动车BMS发送的电池的信息单节电池电压越限;
4)电动车BMS发送的电池的信息电池组电压越限;
5)电动车BMS发送的电池的信息电池组温度越限;
6)电动车BMS发送的电池的信息电池组压力越限;
满足上述任一条件,充电管理系统发出停止充电指令。
本发明可以实现养护模式下的智能充电。在养护模式下时,充电桩控制系统从电动车BMS(电池控制系统)接受到电池的信息及指令后,不是完全根据BMS(电池管理系统)发出的充电电流及充电电压参数指令执行,而是对数据进行重新计算,按照养护模式执行特定的算法,对充电模块的启动停止、电流电压参数进行控制。
下面结合实施例对本发明作进一步说明。
具体实施方式
一种养护模式的充电控制策略,充电开始根据BMS发出的充电启动指令开始充电,充电电流以标准充电倍率充电,达到使电池充到一定量,此量值由充电桩设定;然后,通过小倍率0.1C充电对电池养护,充电到SOC80%,不再充电至满。
在电池组单节电池容量偏差较大时,以最小容量电池的电压值作为整组电池容量SOC的参考。
充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
分为三个阶段:
(1)一阶段:SOC<60%
充电的电流电压按照BMS的需求参数来提供,按照以下算法提供充电的电流电压参数;
(2)二阶段:60%<SOC<80%
在充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
其中,u表示设置输出电压值, 单位V;
k表示系数,充电倍率;
C表示电池组额定容量,单位AH;
u输出电压值,在控制板与BMS 通讯时,从BMS获取;
系数k取值0.1;
电池组额定容量C,在控制板与BMS 通讯时,从BMS获取;
(3)三阶段:停止充电:
1)电动车BMS发送的电池的信息SOC>80%;
2)电动车BMS发送的停止充电指令;
3)电动车BMS发送的电池的信息单节电池电压越限;
4)电动车BMS发送的电池的信息电池组电压越限;
5)电动车BMS发送的电池的信息电池组温度越限;
6)电动车BMS发送的电池的信息电池组压力越限;
满足上述任一条件,充电管理系统发出停止充电指令。
Claims (3)
1.一种养护模式的充电控制策略,其特征是:充电开始根据BMS发出的充电启动指令开始充电,充电电流以标准充电倍率充电,达到使电池充到一定量,此量值由充电桩设定;然后,通过小倍率0.1C充电对电池养护,充电到SOC80%,不再充电至满。
2.根据权利要求1所述的养护模式的充电控制策略,其特征是:在电池组单节电池容量偏差较大时,以最小容量电池的电压值作为整组电池容量SOC的参考。
3.根据权利要求1或2所述的养护模式的充电控制策略,其特征是:充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
分为三个阶段:
(1)一阶段:SOC<60%
充电的电流电压按照BMS的需求参数来提供,按照以下算法提供充电的电流电压参数;
(2)二阶段:60%<SOC<80%
在充电的电流电压并不完全按照BMS的需求参数来提供,而是按照以下算法提供充电的电流电压参数:
其中,u表示设置输出电压值, 单位V;
k表示系数,充电倍率;
C表示电池组额定容量,单位AH;
u输出电压值,在控制板与BMS 通讯时,从BMS获取;
系数k取值0.1;
电池组额定容量C,在控制板与BMS 通讯时,从BMS获取;
(3)三阶段:停止充电:
1)电动车BMS发送的电池的信息SOC>80%;
2)电动车BMS发送的停止充电指令;
3)电动车BMS发送的电池的信息单节电池电压越限;
4)电动车BMS发送的电池的信息电池组电压越限;
5)电动车BMS发送的电池的信息电池组温度越限;
6)电动车BMS发送的电池的信息电池组压力越限;
满足上述任一条件,充电管理系统发出停止充电指令。
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CN109941150A (zh) * | 2019-03-25 | 2019-06-28 | 南京微晟电源科技有限公司 | 一种自适应储能充电桩系统及其控制方法 |
CN114914960A (zh) * | 2021-02-07 | 2022-08-16 | 广汽埃安新能源汽车有限公司 | 电动汽车电池充电控制方法、电池管理系统及汽车 |
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CN109941150A (zh) * | 2019-03-25 | 2019-06-28 | 南京微晟电源科技有限公司 | 一种自适应储能充电桩系统及其控制方法 |
CN109941150B (zh) * | 2019-03-25 | 2022-08-09 | 南京微晟电源科技有限公司 | 一种自适应储能充电桩系统及其控制方法 |
CN114914960A (zh) * | 2021-02-07 | 2022-08-16 | 广汽埃安新能源汽车有限公司 | 电动汽车电池充电控制方法、电池管理系统及汽车 |
CN114914960B (zh) * | 2021-02-07 | 2024-05-10 | 广汽埃安新能源汽车有限公司 | 电动汽车电池充电控制方法、电池管理系统及汽车 |
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