CN103413985B - Environmental temperature-based quick charging method of lead-acid storage battery for electric motor car - Google Patents
Environmental temperature-based quick charging method of lead-acid storage battery for electric motor car Download PDFInfo
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- CN103413985B CN103413985B CN201310319655.0A CN201310319655A CN103413985B CN 103413985 B CN103413985 B CN 103413985B CN 201310319655 A CN201310319655 A CN 201310319655A CN 103413985 B CN103413985 B CN 103413985B
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to an environmental temperature-based quick charging method of a lead-acid storage battery for an electric motor car. The environmental temperature-based quick charging method comprises the following steps: (1) storing an environmental temperature interval and a charging mode corresponding to the environmental temperature interval, as well as the charging current and the charging time of the charging mode, in a battery management system in advance, wherein the environmental temperature interval comprises a low-temperature interval, a room-temperature interval and a high-temperature interval; (2) switching on the power, so that the battery management system selects the charging mode corresponding to the environmental temperature interval according to the current environmental temperature to charge; (3) finishing charging when reaching the charging rate capacity. The environmental temperature-based quick charging method sets the charging mode according to the influence on the charging acceptance capability of a battery pack from the current environmental temperature, thereby effectively improving the utilization ratio of batteries and prolonging the service life of the batteries.
Description
Technical field
The present invention relates to boost battery charge field, particularly a kind of fast charge method of the Lead Acid Battery Used for Electric Vehicle based on ambient temperature.
Background technology
Battery of electric vehicle uses very general now, daily charger device is because of the different charging modes difference of design of producer, but overwhelming majority charging is all the charging method of single constant voltage and current limiting, and this Measures compare is single, use comparatively simple, and have ignored the temperature impact of environment residing for battery pack, adopt single charging method to charge and easily cause undercharge, cause the overdischarge of battery pack long-term existence, and easily shorten battery life.
In addition, because user uses the frequency of battery of electric vehicle to have nothing in common with each other, normal charge mode only can meet the use amount in 1 circulation/sky, has larger limitation to battery routine use number of times.
Summary of the invention
In order to overcome deficiency of the prior art, the present invention proposes a kind of effective prolongation battery and improves the fast charge method of the Lead Acid Battery Used for Electric Vehicle based on ambient temperature of battery utilance.
Based on a fast charge method for the Lead Acid Battery Used for Electric Vehicle of ambient temperature, comprise following steps:
Step 1. pre-deposits charging current and the charging interval of charge mode in ambient temperature interval, corresponding ambient temperature interval and this charge mode in battery management system, and ambient temperature interval comprises between the interval and high-temperature region of low-temperature range, normal temperature;
Step 2. switches on power, and battery management system judges to belong between low-temperature range, normal temperature interval or high-temperature region according to current environmental temperature T, and selects corresponding charge mode to charge, and wherein T is current environmental temperature;
Step 3. is when charge in batteries reaches rated capacity, and charging terminates.
Wherein, described low-temperature range is T≤15 DEG C, and normal temperature interval is 15 DEG C of < T≤30 DEG C, is 30 DEG C of < T between high-temperature region.
Ambient temperature is interval with charge mode and the corresponding relation in charging current and charging interval is:
Low-temperature range, adopt low temperature charge mode, low temperature charge mode comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.05C, and the charging interval is 0 ~ 2 hour, secondly, after 2 hours are reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.1 ~ 0.3C, and the charging interval is 2 ~ 4 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.05C, and the charging interval is 0 ~ 1 hour;
Normal temperature is interval, adopts normal temperature charge mode, and normal temperature charging comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.1C, and the charging interval is 0 ~ 1 hour, secondly, after 1 hour is reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.2 ~ 0.4C, and the charging interval is 2 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1.5 hour;
Between high-temperature region, adopt high-temperature charging pattern, high-temperature charging comprises following steps: first, carries out modified constant-voltage charge to storage battery, and constant voltage value is 14 ~ 16V, charging current is 0.15 ~ 0.35C, charging interval is 3 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, is converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1 hour.
The present invention is based on the beneficial effect of the fast charge method of the Lead Acid Battery Used for Electric Vehicle of ambient temperature:
The present invention is based on the fast charge method of the Lead Acid Battery Used for Electric Vehicle of ambient temperature according to the impact setting charge mode of current environmental temperature on the charge acceptance of battery pack, during low temperature charging, temperature is lower, battery charging conversion capability is not strong, just can carry out big current quick charge after now must carrying out activation a period of time with small area analysis; During normal temperature charging, temperature is normal, and battery charging conversion capability is general, after smaller current activation active material, carries out quick charge with big current; During high-temperature charging, battery charging conversion capability is comparatively strong, does not need to carry out small area analysis activation, adopts general larger current to carry out charging, effectively improve the utilance of battery, extend the useful life of battery.
Accompanying drawing explanation
Fig. 1 is the fast charge method schematic flow sheet of the Lead Acid Battery Used for Electric Vehicle that the present invention is based on ambient temperature.
Embodiment
Describe in detail below in conjunction with accompanying drawing and the present invention is based on the equipment monitoring system of cloud memory technology and the realization of monitoring method thereof.
Shown in Figure 1, a kind of fast charge method of the Lead Acid Battery Used for Electric Vehicle based on ambient temperature, comprises following steps:
Step 1. pre-deposits charging current and the charging interval of charge mode in ambient temperature interval, corresponding ambient temperature interval and this charge mode in battery management system, and ambient temperature interval comprises between the interval and high-temperature region of low-temperature range, normal temperature;
Step 2. switches on power, and battery management system judges to belong between low-temperature range, normal temperature interval or high-temperature region according to current environmental temperature T, and selects corresponding charge mode to charge, and wherein T is current environmental temperature;
Step 3. is when charge in batteries reaches rated capacity, and charging terminates.
Wherein, described low-temperature range is T≤15 DEG C, and normal temperature interval is 15 DEG C of < T≤30 DEG C, is 30 DEG C of < T between high-temperature region.
Ambient temperature is interval with charge mode and the corresponding relation in charging current and charging interval is:
Low-temperature range, adopt low temperature charge mode, low temperature charge mode comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.05C, and the charging interval is 0 ~ 2 hour, secondly, after 2 hours are reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.1 ~ 0.3C, and the charging interval is 2 ~ 4 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.05C, and the charging interval is 0 ~ 1 hour;
Normal temperature is interval, adopts normal temperature charge mode, and normal temperature charging comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.1C, and the charging interval is 0 ~ 1 hour, secondly, after 1 hour is reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.2 ~ 0.4C, and the charging interval is 2 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1.5 hour;
Between high-temperature region, adopt high-temperature charging pattern, high-temperature charging comprises following steps: first, carries out modified constant-voltage charge to storage battery, and constant voltage value is 14 ~ 16V, charging current is 0.15 ~ 0.35C, charging interval is 3 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, is converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1 hour.
Battery service condition application form when table 1 uses daily charging method to charge:
Table 2 carries out for using the fast charge method based on the Lead Acid Battery Used for Electric Vehicle of ambient temperature the battery service condition application form charged:
Table 1, table 2, comparative illustration, by quick charge mode under different temperatures of the present invention, the same batch of battery extracted carries out charging and using according to two kinds of modes respectively, by the quick charge that the present invention carries out, battery can improve 2-3 month, 1,780,000/year of direct saving cost.
The present invention is based on the fast charge method of the Lead Acid Battery Used for Electric Vehicle of ambient temperature according to the impact setting charge mode of current environmental temperature on the charge acceptance of battery pack, during low temperature charging, temperature is lower, battery charging conversion capability is not strong, just can carry out big current quick charge after now must carrying out activation a period of time with small area analysis; During normal temperature charging, temperature is normal, and battery charging conversion capability is general, after smaller current activation active material, carries out quick charge with big current; During high-temperature charging, battery charging conversion capability is comparatively strong, does not need to carry out small area analysis activation, adopts general larger current to carry out charging, effectively improve the utilance of battery, extend the useful life of battery.
Claims (1)
1. based on a fast charge method for the Lead Acid Battery Used for Electric Vehicle of ambient temperature, it is characterized in that: comprise following steps:
Step 1. pre-deposits the charge mode in ambient temperature interval, corresponding ambient temperature interval and the charging current under this charge mode and charging interval in battery management system, wherein, ambient temperature interval comprises between low-temperature range, normal temperature interval and high-temperature region, described low-temperature range is T≤15 DEG C, normal temperature interval is 15 DEG C of < T≤30 DEG C, be 30 DEG C of < T between high-temperature region, in step 1, ambient temperature is interval with charge mode and the corresponding relation in charging current and charging interval is:
Low-temperature range, adopt low temperature charge mode, low temperature charge mode comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.05C, and the charging interval is 0 ~ 2 hour, secondly, after 2 hours are reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.1 ~ 0.3C, and the charging interval is 2 ~ 4 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.05C, and the charging interval is 0 ~ 1 hour;
Normal temperature is interval, adopts normal temperature charge mode, and normal temperature charging comprises following steps: first, carry out constant current charge to storage battery, charging current is 0.1C, and the charging interval is 0 ~ 1 hour, secondly, after 1 hour is reached to charge in batteries, modified constant-voltage charge is converted to, constant voltage value is 14 ~ 16V, and charging current is 0.2 ~ 0.4C, and the charging interval is 2 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, be converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1.5 hour;
Between high-temperature region, adopt high-temperature charging pattern, high-temperature charging comprises following steps: first, carries out modified constant-voltage charge to storage battery, and constant voltage value is 14 ~ 16V, charging current is 0.15 ~ 0.35C, charging interval is 3 ~ 5 hours, when charge in batteries reaches 85% of rated capacity, is converted to constant current charge, charging current is 0.1C, and the charging interval is 0 ~ 1 hour;
Step 2. switches on power, and battery management system judges to belong between low-temperature range, normal temperature interval or high-temperature region according to current environmental temperature T, and selects corresponding charge mode to charge, and wherein T is current environmental temperature;
Step 3. is when charge in batteries reaches rated capacity, and charging terminates.
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| CN104362406B (en) * | 2014-10-24 | 2017-03-01 | 努比亚技术有限公司 | The charge control method of mobile terminal and mobile terminal |
| CN105098272B (en) * | 2015-07-13 | 2017-07-18 | 惠州亿纬锂能股份有限公司 | A kind of safe lithium secondary battery charging method |
| US9923470B2 (en) * | 2015-09-18 | 2018-03-20 | Lear Corporation | High voltage pre-charge system |
| CN105207307B (en) * | 2015-10-23 | 2018-07-20 | 小米科技有限责任公司 | Battery intelligent control method, device and terminal |
| CN105322622B (en) * | 2015-11-27 | 2018-02-13 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal charging current method to set up and system based on temperature |
| CN105576308B (en) * | 2016-02-04 | 2019-11-01 | 北京长城华冠汽车科技股份有限公司 | A kind of the battery modules charging method and device of vehicle-mounted chargeable energy-storage system |
| CN105751910B (en) * | 2016-02-26 | 2019-03-08 | 北京长城华冠汽车科技股份有限公司 | It is a kind of it is vehicle-mounted can discharge energy-storage system battery modules charging method and device |
| CN107437826B (en) | 2016-05-23 | 2020-12-04 | 华为终端有限公司 | Battery charging device, method, terminal, power adapter and storage medium |
| CN106885990A (en) * | 2016-09-21 | 2017-06-23 | 蔚来汽车有限公司 | Battery cycle life method of testing based on environment temperature |
| CN106505693B (en) * | 2016-12-29 | 2019-02-15 | 普天新能源车辆技术有限公司 | Low temperature charge control method |
| CN111610446B (en) * | 2019-02-25 | 2022-11-18 | 上海汽车集团股份有限公司 | Method, device and system for evaluating cycle life of battery |
| CN110492190B (en) * | 2019-09-06 | 2021-05-07 | 深圳市驰普科达科技有限公司 | Battery management method, system and computer readable storage medium |
| TW202121318A (en) * | 2019-11-25 | 2021-06-01 | 財團法人工業技術研究院 | Intelligent fast-charge system and method thereof |
| CN113394468A (en) * | 2021-06-10 | 2021-09-14 | 苏州阳光动力电子科技有限公司 | Battery management method and related components thereof |
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| US5623195A (en) * | 1994-06-22 | 1997-04-22 | Lucent Technologies Inc. | Apparatus and method for controlling a charging voltage of a battery based on battery temperature |
| CN102593547A (en) * | 2011-01-18 | 2012-07-18 | 上海鼎研智能科技有限公司 | Low-temperature charging heating and protecting method for secondary battery pack |
| CN102856604A (en) * | 2012-10-09 | 2013-01-02 | 惠州市亿能电子有限公司 | Quick charging method based on temperature and charging power |
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Effective date of registration: 20211221 Address after: 454550 Changfu Road West, Qinyang City, Jiaozuo City, Henan Province Patentee after: HENAN CHILWEE GENSHORE POWER Co.,Ltd. Address before: 454550 Qinnan Industrial Zone, Qinyang City, Jiaozuo City, Henan Province Patentee before: HENAN CHAOWEI POWER SUPPLY Co.,Ltd. |
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