CN203337798U - A lithium iron phosphate battery pack power display management system - Google Patents
A lithium iron phosphate battery pack power display management system Download PDFInfo
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- CN203337798U CN203337798U CN2013203771952U CN201320377195U CN203337798U CN 203337798 U CN203337798 U CN 203337798U CN 2013203771952 U CN2013203771952 U CN 2013203771952U CN 201320377195 U CN201320377195 U CN 201320377195U CN 203337798 U CN203337798 U CN 203337798U
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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
- 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
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- Tests Of Electric Status Of Batteries (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
技术领域 technical field
本实用新型涉及一种电池电量检测显示系统。 The utility model relates to a battery power detection and display system.
背景技术 Background technique
目前用于电动自行车、电动汽车等采用蓄电池作为动力能源，随着磷酸锂铁电池技术的不断发展，磷酸锂铁电池组以其优越的性能被越来越多的应用于电动自行车、电动汽车等，目前尚且没有专门针对磷酸锂铁电池组的电量显示管理系统，不能满足市场的需求。 At present, batteries are used as power sources for electric bicycles and electric vehicles. With the continuous development of lithium iron phosphate battery technology, lithium iron phosphate battery packs are increasingly used in electric bicycles and electric vehicles due to their superior performance. At present, there is no power display management system specifically for lithium iron phosphate battery packs, which cannot meet the needs of the market.
实用新型内容 Utility model content
为了克服现有技术的不足，本实用新型提供一种能准确显示磷酸锂铁电池组的残余电量的电量显示管理系统。 In order to overcome the deficiencies of the prior art, the utility model provides a power display management system that can accurately display the residual power of the lithium iron phosphate battery pack.
本实用新型解决其技术问题所采用的技术方案是： The technical scheme that the utility model solves its technical problem adopts is:
一种磷酸锂铁电池组电量显示管理系统，包括： A lithium iron phosphate battery power display management system, comprising:
电池组充放电检测单元：串接在电池组充放电回路中，用于检测电池组的充电电量和放电电量； Battery pack charging and discharging detection unit: connected in series in the charging and discharging circuit of the battery pack, used to detect the charging and discharging power of the battery pack;
电池组实时容量修正单元：与所述电池组充放电检测单元电连接，用于根据电池组充放电检测单元发送的数据，用电池组充电饱和的累计充电电量减去放完电后的累计放电电量，计算得到电池组实际容量并储存； Battery pack real-time capacity correction unit: electrically connected to the battery pack charge and discharge detection unit, used to subtract the accumulated discharge after discharge from the accumulated charging power of the battery pack when the battery pack is fully charged according to the data sent by the battery pack charge and discharge detection unit Electricity, calculate and store the actual capacity of the battery pack;
电池组残余电量计算单元：与所述电池组充放电检测单元电连接，用于根据电池组充放电检测单元发送的数据，用电池组的累计充电电量减去累计放电电量，计算得到电池组的残余电量； Battery pack residual power calculation unit: electrically connected to the battery pack charge and discharge detection unit, and used to calculate the battery pack’s battery charge by subtracting the battery pack’s accumulated discharge power from the battery pack’s accumulated charge and discharge power according to the data sent by the battery pack’s charge and discharge detection unit residual power;
电池组残余电量显示单元：与所述电池组实时容量修正单元、电池组残余电量计算单元电连接，用于计算电池组的残余电量相对于实际容量的百分数，并以可视化方式显示出来。 Battery pack residual capacity display unit: electrically connected to the battery pack real-time capacity correction unit and battery pack residual capacity calculation unit, used to calculate the percentage of the battery pack’s residual capacity relative to the actual capacity, and display it in a visual manner.
本实用新型的有益效果是：本实用新型的磷酸锂铁电池组电量显示管理系统以磷酸锂铁电池组充电饱和的累计充电电量和放电完毕后的累计放电电量，用充电容量减去放电容量，计算得到电池组实际容量，得到的电池组实际容量是随着使用时间的推移而变化的动态量，然后通过计算残余电量相对于实际容量的百分数，计算出实际的电池残余电量并显示出来，能够真实反映磷酸锂铁电池组的残余电量。 The beneficial effects of the utility model are: the lithium iron phosphate battery pack power display management system of the utility model uses the accumulated charging power of the lithium iron phosphate battery pack charged to saturation and the accumulated discharged power after discharge, and subtracts the discharge capacity from the charging capacity, Calculate the actual capacity of the battery pack, the actual capacity of the battery pack is a dynamic quantity that changes with the use of time, and then by calculating the percentage of the remaining power relative to the actual capacity, the actual remaining battery power is calculated and displayed, which can It truly reflects the residual power of the lithium iron phosphate battery pack.
附图说明 Description of drawings
下面结合附图和实施例对本实用新型进一步说明。 Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1是本实用新型的电源原理方框图。 Fig. 1 is the functional block diagram of the power supply of the present utility model.
具体实施方式 Detailed ways
参照图1，一种磷酸锂铁电池组电量显示管理系统，包括： Referring to Figure 1, a lithium iron phosphate battery pack power display management system includes:
电池组充放电检测单元DCR：串接在电池组E的充电回路charge和放电回路discharge中，用于检测电池组E的充电电量A和放电电量B。 Battery pack charge and discharge detection unit DCR: connected in series in the charging circuit charge and discharge circuit discharge of the battery pack E, used to detect the charging power A and discharging power B of the battery pack E.
电池组实时容量修正单元FCC：与所述电池组充放电检测单元DCR电连接，用于根据电池组充放电检测单元DCR发送的数据，用电池组充电饱和的累计充电电量A1减去放完电后的累计放电电量B1，计算得到电池组实际容量C1并储存，在初始状态时，C1的值为电池组的设计容量，C1会随着使用时间的推移而变化，计算得到后自动替换上次存储的数值。 Battery pack real-time capacity correction unit FCC: electrically connected to the battery pack charge and discharge detection unit DCR, used to subtract the fully discharged battery pack from the accumulated charge capacity A1 of the battery pack charge saturation according to the data sent by the battery pack charge and discharge detection unit DCR Calculate and store the actual capacity C1 of the battery pack after accumulating the discharged power B1. In the initial state, the value of C1 is the design capacity of the battery pack. C1 will change with the use of time. After calculation, it will automatically replace the last time stored value.
电池组残余电量计算单元RC：与所述电池组充放电检测单元DCR电连接，用于根据电池组充放电检测单元发送的数据，用电池组的累计充电电量A2减去累计放电电量B2，计算得到电池组的残余电量C2。 Battery pack residual power calculation unit RC: electrically connected to the battery pack charge and discharge detection unit DCR, used to subtract the accumulated discharge power B2 from the accumulated charge power A2 of the battery pack according to the data sent by the battery pack charge and discharge detection unit to calculate Obtain the residual power C2 of the battery pack.
电池组残余电量显示单元SOC：与所述电池组实时容量修正单元FCC、电池组残余电量计算单元RC电连接，用于计算电池组的残余电量C2相对于实际容量C1的百分数K，并以可视化方式显示出来。 Battery pack residual capacity display unit SOC: electrically connected to the battery pack real-time capacity correction unit FCC and battery pack residual capacity calculation unit RC, used to calculate the percentage K of the battery pack’s residual capacity C2 relative to the actual capacity C1, and visualize way is displayed.
本实用新型的磷酸锂铁电池组电量显示管理系统以磷酸锂铁电池组充电饱和的累计充电电量和放电完毕后的累计放电电量，用充电容量减去放电容量，计算得到电池组实际容量，得到的电池组实际容量是随着使用时间的推移而变化的动态量，然后通过计算残余电量相对于实际容量的百分数，计算出实际的电池残余电量并显示出来，能够真实反映磷酸锂铁电池组的残余电量。 The lithium iron phosphate battery pack power display management system of the present utility model calculates the actual capacity of the battery pack by subtracting the discharge capacity from the accumulated charging power of the lithium iron phosphate battery pack when the lithium iron phosphate battery pack is fully charged and the accumulated discharged power after the discharge is completed, and obtains The actual capacity of the battery pack is a dynamic quantity that changes with the passage of time, and then by calculating the percentage of the remaining capacity relative to the actual capacity, the actual remaining capacity of the battery is calculated and displayed, which can truly reflect the performance of the lithium iron phosphate battery pack. residual power.
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| CN2013203771952U CN203337798U (en) | 2013-06-28 | 2013-06-28 | A lithium iron phosphate battery pack power display management system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064863A1 (en) * | 2016-10-08 | 2018-04-12 | 华为技术有限公司 | Method and terminal device for use in determining remaining power capacity percentage |
| WO2021077827A1 (en) * | 2019-10-22 | 2021-04-29 | 华为技术有限公司 | Battery capacity tracking method and apparatus, and electronic device |
| CN116001641A (en) * | 2023-01-18 | 2023-04-25 | 重庆长安新能源汽车科技有限公司 | Vehicle residual electric quantity estimation method and device |
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2013
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064863A1 (en) * | 2016-10-08 | 2018-04-12 | 华为技术有限公司 | Method and terminal device for use in determining remaining power capacity percentage |
| CN108291942A (en) * | 2016-10-08 | 2018-07-17 | 华为技术有限公司 | Method and terminal device for determining remaining power percentage |
| CN108291942B (en) * | 2016-10-08 | 2020-03-27 | 华为技术有限公司 | Method and terminal device for determining remaining capacity percentage |
| WO2021077827A1 (en) * | 2019-10-22 | 2021-04-29 | 华为技术有限公司 | Battery capacity tracking method and apparatus, and electronic device |
| US12119694B2 (en) | 2019-10-22 | 2024-10-15 | Huawei Technologies Co., Ltd. | Battery capacity tracking method and apparatus, and electronic device |
| CN116001641A (en) * | 2023-01-18 | 2023-04-25 | 重庆长安新能源汽车科技有限公司 | Vehicle residual electric quantity estimation method and device |
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Granted publication date: 20131211 |