CN103199596A - Battery charge-discharge system and battery charge-discharge method - Google Patents

Battery charge-discharge system and battery charge-discharge method Download PDF

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CN103199596A
CN103199596A CN2012100030385A CN201210003038A CN103199596A CN 103199596 A CN103199596 A CN 103199596A CN 2012100030385 A CN2012100030385 A CN 2012100030385A CN 201210003038 A CN201210003038 A CN 201210003038A CN 103199596 A CN103199596 A CN 103199596A
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battery
control switch
charging
electrically connects
modules
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王竑懿
曾祥宾
李民伟
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Abstract

A battery charge-discharge system comprises a power adapter, a charger, a battery module and an electronic device which is electrically connected with the power adapter and the battery module. The power adapter receives an alternating voltage and converts the received alternating voltage to a direct voltage, the charger receives the direct voltage from the power adapter and charges the battery module according to the received direct voltage, and the battery module comprises at least a first battery, a second battery and a control switch which is electrically connected with the first battery and the second battery. When the battery module is charged through the charger, the first battery and the second battery are connected into the battery module in series by the control switch, and when the battery module discharges to the electronic device, the first battery and the second battery are connected into the battery module in parallel by the control switch. The invention further discloses a battery charge-discharge method.

Description

电池充放电系统和方法Battery charging and discharging system and method

技术领域 technical field

本发明涉及一种电池充放电系统和方法，特别是指一种消费性电子产品上的电池充放电系统和方法。 The invention relates to a battery charging and discharging system and method, in particular to a battery charging and discharging system and method on consumer electronic products.

背景技术 Background technique

可充电电池被广泛应用于笔记本电脑、数码相机和手机等消费性电子产品。传统的可充电电池将若干单个的电池单元串联在一起为电子产品供电，并在充电时通过一电源适配器将交流市电电压转换为相应的直流电压为所述电子产品供电。电源的电力损耗通常由输入电压和输出电压的比值来衡量，该比值越小则电源的电力损耗越低。利用传统的电池充放电系统和方法进行充电时所述可充电电池上的电压通常为一恒定值，增加了充放电时的电力损耗。 Rechargeable batteries are widely used in consumer electronics such as laptop computers, digital cameras and mobile phones. In a traditional rechargeable battery, several single battery cells are connected in series to supply power to electronic products, and when charging, a power adapter converts AC mains voltage into a corresponding DC voltage to supply power to the electronic products. The power loss of a power supply is usually measured by the ratio of the input voltage to the output voltage, the smaller the ratio, the lower the power loss of the power supply. The voltage on the rechargeable battery is usually a constant value when being charged using the traditional battery charging and discharging system and method, which increases the power loss during charging and discharging.

发明内容 Contents of the invention

鉴于以上内容，有必要提供一种电池充放电系统和方法，可降低对可充电电池进行充放电时电源上的电力损耗。 In view of the above, it is necessary to provide a battery charging and discharging system and method, which can reduce the power loss on the power supply when charging and discharging the rechargeable battery.

一种电池充放电系统，包括一电源适配器、一充电器、一电池模组及一电性连接所述电源适配器和电池模组的电子设备，所述电源适配器接收一交流电压，并将接收到的交流电压转换为一直流电压，所述充电器接收来自电源适配器的直流电压，并根据接收到的直流电压为所述电池模组充电，所述电池模组包括至少一第一电池、一第二电池及一电性连接所述第一电池和第二电池的控制开关，当所述充电器为电池模组充电时，所述控制开关将第一电池和第二电池串联接入所述电池模组，当所述电池模组对电子设备放电时，所述控制开关将第一电池和第二电池并联接入所述电池模组。 A battery charging and discharging system, comprising a power adapter, a charger, a battery module and an electronic device electrically connected to the power adapter and the battery module, the power adapter receives an AC voltage, and receives the The AC voltage is converted into a DC voltage, the charger receives the DC voltage from the power adapter, and charges the battery module according to the received DC voltage, and the battery module includes at least a first battery, a first Two batteries and a control switch electrically connected to the first battery and the second battery, when the charger is charging the battery module, the control switch connects the first battery and the second battery to the battery in series When the battery module discharges the electronic equipment, the control switch connects the first battery and the second battery to the battery module in parallel.

一种电池充放电方法，包括以下步骤： A method for charging and discharging a battery, comprising the steps of:

一电子设备初始化系统，系统开始工作； 1. The electronic equipment initializes the system, and the system starts to work;

所述电子设备根据一电源适配器的状态判断一电池模组是否处于充电状态； The electronic device judges whether a battery module is in a charging state according to the state of a power adapter;

若所述电池模组处于充电状态，拨动一控制开关使所述电池模组内位于同一列上的电池串联接入系统，所述电池模组上的电压升高，所述充电器为电池模组充电； If the battery module is in the charging state, toggle a control switch so that the batteries located in the same column in the battery module are connected to the system in series, the voltage on the battery module rises, and the charger is the battery Module charging;

若所述电池模组处未于充电状态，拨动一控制开关使所述电池模组内位于同一列上的电池并联接入系统，所述电池模组上的电压降低，所述电子设备为电池模组放电。 If the battery module is not in the charging state, toggle a control switch so that the batteries located in the same column in the battery module are connected in parallel to the system, the voltage on the battery module is reduced, and the electronic device is The battery module is discharged.

相较于现有技术，上述电池充放电系统和方法当所述充电器为电池模组充电时，所述控制开关将第一电池和第二电池串联接入所述电池模组，当所述电池模组对电子设备放电时，所述控制开关将第一电池和第二电池并联接入所述电池模组，所述电池充放电系统降低了对电池模组进行充放电时输入电压和输出电压的电压差，有效降低了对可充电电池进行充放电时电源上的电力损耗。 Compared with the prior art, when the battery charging and discharging system and method described above are charging the battery module, the control switch connects the first battery and the second battery in series to the battery module. When the battery module discharges the electronic equipment, the control switch connects the first battery and the second battery to the battery module in parallel, and the battery charging and discharging system reduces the input voltage and output voltage when charging and discharging the battery module. The voltage difference of the voltage effectively reduces the power loss on the power supply when charging and discharging the rechargeable battery.

附图说明 Description of drawings

图1是本发明电池充放电系统较佳实施方式的框图。 Fig. 1 is a block diagram of a preferred embodiment of the battery charging and discharging system of the present invention.

图2是图1中电池充放电系统较佳实施方式的电路图。 FIG. 2 is a circuit diagram of a preferred embodiment of the battery charging and discharging system in FIG. 1 .

图3是本发明电池充放电方法较佳实施方式的流程图。 Fig. 3 is a flowchart of a preferred embodiment of the battery charging and discharging method of the present invention.

主要元件符号说明 Description of main component symbols

电源适配器Power Adapter 100100 充电器charger 200200 电池模组battery module 300300 电子设备Electronic equipment 400400 电池Battery C1~C8C1~C8 第一控制开关first control switch K1K1 第二控制开关second control switch K2K2

如下具体实施方式将结合上述附图进一步说明本发明。 The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

具体实施方式 Detailed ways

请参阅图1，本发明电池充放电系统的一较佳实施方式包括一电源适配器100、一充电器200、一电池模组300及一电性连接所述电源适配器100和电池模组300的电子设备400。所述电源适配器100接收一交流电压，并将接收到的交流电压转换为一直流电压。所述充电器200接收来自电源适配器的直流电压，并根据接收到的直流电压为所述电池模组300充电。 Please refer to FIG. 1 , a preferred embodiment of the battery charging and discharging system of the present invention includes a power adapter 100 , a charger 200 , a battery module 300 and an electronic device electrically connected to the power adapter 100 and the battery module 300 . Device 400. The power adapter 100 receives an AC voltage and converts the received AC voltage into a DC voltage. The charger 200 receives the DC voltage from the power adapter, and charges the battery module 300 according to the received DC voltage.

请参阅图2，所述电池模组300包括若干电池C1~C8、一电性连接所述电池C2、C3的第一控制开关K1及一电性连接所述电池C6、C7的第二控制开关K2。每一控制开关K1、K2分别包括一第一端、一第二端及一第三端。所述电池C1的正极电性连接所述充电器200和电子设备400之间的连接节点。所述电池C1的负极电性连接所述电池C2的正极。所述电池C2的负极电性连接所述第一控制开关K1的第二端。所述第一控制开关K1的第三端电性连接所述充电器200和电子设备400之间的连接节点。所述第一控制开关K1的第一端电性连接所述电池C3的正极。所述电池C3的负极电性连接所述电池C4的正极，所述电池C4的负极接地。 Please refer to FIG. 2, the battery module 300 includes a plurality of batteries C1-C8, a first control switch K1 electrically connected to the batteries C2, C3, and a second control switch electrically connected to the batteries C6, C7 K2. Each control switch K1, K2 respectively includes a first terminal, a second terminal and a third terminal. The positive pole of the battery C1 is electrically connected to the connection node between the charger 200 and the electronic device 400 . The negative electrode of the battery C1 is electrically connected to the positive electrode of the battery C2. The negative electrode of the battery C2 is electrically connected to the second terminal of the first control switch K1. The third end of the first control switch K1 is electrically connected to the connection node between the charger 200 and the electronic device 400 . The first end of the first control switch K1 is electrically connected to the positive pole of the battery C3. The negative pole of the battery C3 is electrically connected to the positive pole of the battery C4, and the negative pole of the battery C4 is grounded.

所述电池C5的正极电性连接所述充电器200和电子设备400之间的连接节点。所述电池C5的负极电性连接所述电池C6的正极。所述电池C6的负极电性连接所述第二控制开关K2的第二端。所述第二控制开关K2的第三端电性连接所述充电器200和电子设备400之间的连接节点。所述第二控制开关K2的第一端电性连接所述电池C7的正极。所述电池C7的负极电性连接所述电池C8的正极，所述电池C8的负极接地。 The positive pole of the battery C5 is electrically connected to the connection node between the charger 200 and the electronic device 400 . The negative pole of the battery C5 is electrically connected to the positive pole of the battery C6. The negative pole of the battery C6 is electrically connected to the second terminal of the second control switch K2. The third end of the second control switch K2 is electrically connected to the connection node between the charger 200 and the electronic device 400 . The first end of the second control switch K2 is electrically connected to the positive pole of the battery C7. The negative pole of the battery C7 is electrically connected to the positive pole of the battery C8, and the negative pole of the battery C8 is grounded.

工作时，当所述充电器200为电池模组300充电时，拨动所述第一控制开关K1将电池C1~C4串联接入所述电池模组300，同时拨动所述第二控制开关K2将电池C5~C8串联接入所述电池模组300。由于此时所述电池模组300两端的电压等于电池C1~C4两端的电压，也等于电池C5~C8两端的电压，使得所述电池模组300两端的电压值升高。因此所述电源适配器100和电池模组300之间的电压差降低，所述电池模组300上的电力损耗也同时降低。 During operation, when the charger 200 is charging the battery module 300, toggle the first control switch K1 to connect the batteries C1 to C4 in series to the battery module 300, and simultaneously toggle the second control switch K2 connects the batteries C5-C8 to the battery module 300 in series. Since the voltage across the battery module 300 is equal to the voltage across the batteries C1-C4 and also equal to the voltage across the batteries C5-C8, the voltage across the battery module 300 increases. Therefore, the voltage difference between the power adapter 100 and the battery module 300 is reduced, and the power loss on the battery module 300 is also reduced at the same time.

当所述电池模组300对电子设备400放电时，拨动所述第一控制开关K1将电池C1、C2串联接入所述电池模组300，将电池C3、C4串联接入所述电池模组300。同时拨动所述第一控制开关K2将电池C5、C6串联接入所述电池模组300，将电池C7、C8串联接入所述电池模组300。由于此时所述电池模组300两端的电压等于电池C1、C2两端的电压，也等于电池C3、C4两端的电压，使得所述电池模组300两端的电压值降低。因此所述电源适配器100和电池模组300之间的电压差降低，所述电池模组300上的电力损耗也同时降低。 When the battery module 300 discharges the electronic device 400, toggle the first control switch K1 to connect the batteries C1 and C2 to the battery module 300 in series, and connect the batteries C3 and C4 to the battery module in series. Group 300. At the same time, toggle the first control switch K2 to connect the batteries C5 and C6 in series to the battery module 300 , and connect the batteries C7 and C8 in series to the battery module 300 . Since the voltage across the battery module 300 is equal to the voltage across the batteries C1 and C2, and also equal to the voltage across the batteries C3 and C4, the voltage across the battery module 300 decreases. Therefore, the voltage difference between the power adapter 100 and the battery module 300 is reduced, and the power loss on the battery module 300 is also reduced at the same time.

请参阅图3，本发明电池充放电方法的一较佳实施方式包括以下步骤： Please refer to Fig. 3, a preferred embodiment of the battery charging and discharging method of the present invention includes the following steps:

S301：所述电子设备400初始化系统，系统开始工作。 S301: The electronic device 400 initializes the system, and the system starts to work.

S302：所述电子设备400根据电源适配器100的工作状态判断所述电池模组300是否处于充电状态；若所述电池模组300处于充电状态，进入步骤303；若所述电池模组300未处于充电状态，进入步骤306。 S302: The electronic device 400 judges whether the battery module 300 is in the charging state according to the working state of the power adapter 100; if the battery module 300 is in the charging state, enter step 303; if the battery module 300 is not in the In charging state, go to step 306 .

S303：拨动所述第一控制开关K1将电池C1~C4串联接入所述电池模组300，同时拨动所述第二控制开关K2将电池C5~C8串联接入所述电池模组300。 S303: Turn the first control switch K1 to connect the batteries C1~C4 in series to the battery module 300, and at the same time turn the second control switch K2 to connect the batteries C5~C8 in series to the battery module 300 .

S304：所述电池模组300上的电压升高。 S304: The voltage on the battery module 300 increases.

S305：所述充电器200为电池模组300充电。 S305: The charger 200 charges the battery module 300 .

S306：拨动所述第一控制开关K1将电池C1、C2串联接入所述电池模组300，将电池C3、C4串联接入所述电池模组300；同时拨动所述第一控制开关K2将电池C5、C6串联接入所述电池模组300，将电池C7、C8串联接入所述电池模组300。 S306: Toggle the first control switch K1 to connect the batteries C1 and C2 in series to the battery module 300, and connect the batteries C3 and C4 to the battery module 300 in series; simultaneously toggle the first control switch K2 connects the batteries C5 and C6 to the battery module 300 in series, and connects the batteries C7 and C8 to the battery module 300 in series.

S307：所述电池模组300上的电压降低。 S307: The voltage on the battery module 300 decreases.

S308：所述电池模组300对电子设备400放电。 S308: The battery module 300 discharges the electronic device 400 .

本发明电池充放电系统和方法当所述充电器200为电池模组300充电时，所述第一控制开关K1将电池C1~C4串联接入所述电池模组300，所述第二控制开关K2将电池C5~C8串联接入所述电池模组300。当所述电池模组300对电子设备400放电时，所述第一控制开关K1将电池C1、C2串联接入所述电池模组300，将电池C3、C4串联接入所述电池模组300；所述第一控制开关K2将电池C5、C6串联接入所述电池模组300，将电池C7、C8串联接入所述电池模组300。所述电池充放电系统降低了对电池模组300进行充放电时输入电压和输出电压的电压差，有效降低了对可充电电池进行充放电时电源上的电力损耗。 The battery charging and discharging system and method of the present invention When the charger 200 is charging the battery module 300, the first control switch K1 connects the batteries C1 to C4 in series to the battery module 300, and the second control switch K2 connects the batteries C5-C8 to the battery module 300 in series. When the battery module 300 discharges the electronic device 400, the first control switch K1 connects the batteries C1 and C2 to the battery module 300 in series, and connects the batteries C3 and C4 to the battery module 300 in series. The first control switch K2 connects the batteries C5 and C6 to the battery module 300 in series, and connects the batteries C7 and C8 to the battery module 300 in series. The battery charging and discharging system reduces the voltage difference between the input voltage and the output voltage when charging and discharging the battery module 300, effectively reducing the power loss on the power supply when charging and discharging the rechargeable battery.

Claims (8)

1. battery charging and discharging system, comprise a power supply adaptor, one charger, one battery modules and one electrically connects the electronic equipment of described power supply adaptor and battery modules, it is characterized in that: described power supply adaptor receives an alternating voltage, and the alternating voltage that receives is converted to a direct current voltage, described charger receives the direct voltage from power supply adaptor, and be the charging of described battery modules according to the direct voltage that receives, described battery modules comprises at least one first battery, one second battery and one electrically connects first control switch of described first battery and second battery, when described charger is the battery modules charging, described first control switch connects first battery and second battery strings into described battery modules, when described battery modules was discharged to electronic equipment, described first control switch was with first battery and the described battery modules of second battery access in parallel.
2. battery charging and discharging as claimed in claim 1 system, it is characterized in that: described first control switch comprises one first end, one second end and one the 3rd end, the positive pole of described first battery electrically connects the connected node between described charger and the electronic equipment, the negative pole of described first battery electrically connects second end of described first control switch, the 3rd end of described first control switch electrically connects the connected node between described charger and the electronic equipment, first end of described first control switch electrically connects the positive pole of described second battery, the minus earth of described second battery.
3. battery charging and discharging as claimed in claim 2 system, it is characterized in that: described battery modules also comprises one the 3rd battery and one the 4th battery, the positive pole of described the 3rd battery electrically connects the negative pole of described first battery, the negative pole of described the 3rd battery electrically connects second end of described first control switch, the positive pole of described the 4th battery electrically connects the negative pole of described second battery, the minus earth of described the 4th battery.
4. battery charging and discharging as claimed in claim 3 system, it is characterized in that: described battery modules also comprises one the 5th battery, one the 6th battery and one second control switch, described second control switch comprises one first end, one second end and one the 3rd end, the positive pole of described the 5th battery electrically connects the connected node between described charger and the electronic equipment, the negative pole of described the 5th battery electrically connects second end of described second control switch, the 3rd end of described second control switch electrically connects the connected node between described charger and the electronic equipment, first end of described second control switch electrically connects the positive pole of described the 6th battery, the minus earth of described the 6th battery.
5. battery charging and discharging as claimed in claim 4 system, it is characterized in that: described battery modules also comprises one the 7th battery and one the 8th battery, the positive pole of described the 7th battery electrically connects the negative pole of described the 5th battery, the negative pole of described the 7th battery electrically connects second end of described second control switch, the positive pole of described the 8th battery electrically connects the negative pole of described the 6th battery, the minus earth of described the 8th battery.
6. battery charging and discharging method may further comprise the steps:
One electronic equipment initialization system, system starts working;
Described electronic equipment judges according to the state of a power supply adaptor whether a battery modules is in charged state;
If described battery modules is in charged state, to stir a control switch and make and be positioned at the same battery strings that lists in the described battery modules and connect into system, the voltage on the described battery modules raises, and described charger is the battery modules charging;
If described battery modules place is in charged state, to stir a control switch and make and be positioned at the same battery that lists connecting system in parallel in the described battery modules, the voltage on the described battery modules reduces, and described electronic equipment is the battery modules discharge.
7. battery charging and discharging method as claimed in claim 6, it is characterized in that: described battery modules comprises that at least one first battery, one second battery and electrically connect first control switch of described first battery and second battery, when described charger was the battery modules charging, described first control switch connected first battery and second battery strings into described battery modules.
8. battery charging and discharging method as claimed in claim 7 is characterized in that: when described battery modules was discharged to electronic equipment, described first control switch inserted described battery modules with first battery and second battery are in parallel.
CN2012100030385A 2012-01-06 2012-01-06 Battery charge-discharge system and battery charge-discharge method Pending CN103199596A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN107171387A (en) * 2017-06-07 2017-09-15 国网山东省电力公司 It is a kind of can dynamic restructuring battery energy storage system and method
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WO2017071280A1 (en) * 2015-10-26 2017-05-04 乐视控股（北京）有限公司 Battery voltage doubler charging circuit and mobile terminal
US10630101B2 (en) 2016-09-07 2020-04-21 Asustek Computer Inc. Charging-discharging module of energy storage unit and charging-discharging method thereof
CN107171387A (en) * 2017-06-07 2017-09-15 国网山东省电力公司 It is a kind of can dynamic restructuring battery energy storage system and method

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Application publication date: 20130710