JP2009219221A - Charging equipment - Google Patents

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JP2009219221A
JP2009219221A JP2008058947A JP2008058947A JP2009219221A JP 2009219221 A JP2009219221 A JP 2009219221A JP 2008058947 A JP2008058947 A JP 2008058947A JP 2008058947 A JP2008058947 A JP 2008058947A JP 2009219221 A JP2009219221 A JP 2009219221A
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charging
temperature
battery
voltage
secondary battery
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Takuya Imai
拓也 今井
Tateaki Nagashima
健彰 長島
Yoshiyuki Nakatamari
義行 中玉利
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Panasonic Corp
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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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Abstract

<P>PROBLEM TO BE SOLVED: To improve a charging method of reducing the voltage for constant-voltage charging at high temperature and avoiding full charging, in which when voltage for constant-voltage charging is reduced, a charging capacity is reduced. <P>SOLUTION: In the charging method, the temperature of a secondary battery is detected; and when the temperature is high, voltage for constant-voltage charging is reduced to avoid full charging. Charging current is reduced at a temperature which is lower than the temperature, predetermined in this method, at which voltage for constant-voltage charging is reduced. Thus temperature rise in the secondary battery is suppressed, and the voltage value for constant-voltage charging is prevented from being reduced. This makes it possible to prevent reduction in the charging capacity and charge a battery in an optical temperature range optimal therefor, in a short time. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、二次電池が発熱すると定電圧充電の電圧値を下げる充電方法において、充電制御電圧が下がると充電容量が減少することを防ぐために電池の発熱を抑え、電池に最適な温度範囲で短時間に充電できる充電方法に関するものである。   The present invention provides a charging method for reducing the voltage value of constant voltage charging when the secondary battery generates heat.In order to prevent the charge capacity from decreasing when the charging control voltage decreases, the battery is prevented from generating heat, and the temperature range is optimal for the battery. The present invention relates to a charging method capable of charging in a short time.

近年、ポータブルオーディオやデジタルスチルカメラといった携帯可能な電子機器の市場が急速に伸びている。その中で、携帯型電子機器に電源を供給するため、充電して再利用可能な二次電池は重要な役割を担っている。この二次電池は、搭載する電子機器の使用時間を増やすため、電池容量を増やすことが要求されている。   In recent years, the market for portable electronic devices such as portable audio and digital still cameras has grown rapidly. Among them, in order to supply power to portable electronic devices, secondary batteries that can be charged and reused play an important role. The secondary battery is required to increase the battery capacity in order to increase the usage time of the electronic device to be mounted.

この二次電池を充電する方法として、充電開始から電池電圧が所定値に達するまでは、充電電流を所定値に一定で充電を行い、この定電流充電により上昇する電池電圧が前記所定値に達すると、その電圧値に固定し、この定電圧充電により充電電流を徐々に減少させる充電制御が記載されている（例えば、特許文献１参照）。   As a method of charging the secondary battery, the charging current is kept constant at a predetermined value from the start of charging until the battery voltage reaches a predetermined value, and the battery voltage rising due to the constant current charging reaches the predetermined value. Then, charging control is described in which the voltage value is fixed and the charging current is gradually reduced by this constant voltage charging (see, for example, Patent Document 1).

二次電池を安全に充電するために、外部短絡試験、落下試験などの二次電池の安全試験を実施し、試験をパスできない場合は、二次電池が規定の温度になると、定電圧充電の電圧値を下げ、二次電池の安全を確保する充電方法がある。しかしながら、定電圧充電の電圧値が小さくなると、充電容量が減少し、二次電池を使用する電子機器の使用時間が減少してしまう。   In order to charge the secondary battery safely, a secondary battery safety test such as an external short circuit test or drop test is conducted.If the test fails, the constant voltage charging is performed when the secondary battery reaches the specified temperature. There is a charging method that lowers the voltage value and ensures the safety of the secondary battery. However, when the voltage value of constant voltage charging is reduced, the charging capacity is reduced, and the usage time of the electronic device using the secondary battery is reduced.

二次電池が規定の温度になると、定電圧充電の電圧値を下げる充電方法では、図７に示すように、電池温度が、切替温度２（例えば４５℃）よりも高くなると、電池の安全のため、定電圧充電の電圧を下げ、満充電にならないようにしている。この充電方法を遵守するためには、電池温度を正確に検出する必要がある。   When the secondary battery reaches a specified temperature, the charging method for reducing the voltage value of the constant voltage charging, as shown in FIG. 7, when the battery temperature becomes higher than the switching temperature 2 (for example, 45 ° C.), Therefore, the voltage of constant voltage charging is lowered so that it does not become fully charged. In order to comply with this charging method, it is necessary to accurately detect the battery temperature.

検出した温度により、充電電流を変化させる充電方法は、例えば、特許文献２で示されている。しかしながら、特許文献２では、温度を検出する箇所は充電回路部であり、二次電池の実際の温度を測定していない。
特開平９−５６０８０号公報 特開平１１−１０３４０５号公報 A charging method for changing the charging current according to the detected temperature is disclosed in Patent Document 2, for example. However, in patent document 2, the location which detects temperature is a charging circuit part, and does not measure the actual temperature of a secondary battery.
JP-A-9-56080 JP-A-11-103405

しかしながら、前記従来の特許文献１では、検出する温度が充電回路部であり、実際の二次電池の温度を測定しておらず、二次電池の発熱や充電器の発熱の煽りにより、電池の温度が上昇して、高温になると定電圧充電の電圧を下げ、満充電にしない充電方法で規定される定電圧充電の電圧値が下がる温度に電池温度が到達する可能性があり、定電圧充電の電圧値が下がり、充電容量が減少してしまう。   However, in the conventional patent document 1, the temperature to be detected is the charging circuit unit, and the actual temperature of the secondary battery is not measured. Due to the heat generated by the secondary battery or the battery charger, When the temperature rises and the temperature rises, the voltage of the constant voltage charge is lowered, and the battery temperature may reach the temperature at which the voltage value of the constant voltage charge specified by the charging method not full charge is lowered. As a result, the charging capacity decreases.

本発明は、この様な課題を解決するものであり、温度検出部にて二次電池の温度を検出し、検出した電池温度が高温になると定電圧充電の電圧を下げ、満充電にしない充電方法で規制される定電圧充電の電圧値が下がる温度よりも、低い温度で充電電流の電流値を小さくする、あるいは零にし、電池温度の発熱を抑え、定電圧充電の電圧値の低下を防止し、二次電池に最適な温度範囲で短時間に充電することを目的とした充電方法を提供する。また、電池温度に応じて充電電流を連続的に変化させる方法も提供する。   The present invention solves such a problem. The temperature detection unit detects the temperature of the secondary battery, and when the detected battery temperature becomes high, the voltage of constant voltage charging is lowered and charging is not performed fully. The current value of the charging current is made smaller or zero at a temperature lower than the temperature at which the voltage value of the constant voltage charging regulated by the method is lowered, thereby suppressing the heat generation of the battery temperature and preventing the voltage value of the constant voltage charging from being lowered. And the charging method aiming at charging in the temperature range optimal for a secondary battery for a short time is provided. A method for continuously changing the charging current according to the battery temperature is also provided.

前記従来の課題を解決するために、本発明の二次電池の温度により定電圧充電の電圧値を下げる前記二次電池の充電を行う二次電池の充電装置において、二次電池の温度を検出し、検出した温度が定電圧充電の電圧値を下げる前記検出温度よりも低い切替温度１設定値以上になると、充電電流を所定の第１の充電電流設定値よりも小さい第２の任意の充電電流値に変化させ、充電電流を前記二次電池に供給し、電池の発熱を抑え、電池に最適な温度範囲で短時間に充電できるようにした。   In order to solve the above-described conventional problems, the temperature of the secondary battery is detected in the charging device of the secondary battery that charges the secondary battery to lower the voltage value of the constant voltage charging according to the temperature of the secondary battery of the present invention. Then, when the detected temperature becomes equal to or higher than the switching temperature 1 set value lower than the detected temperature for decreasing the voltage value of constant voltage charging, the second arbitrary charging whose charging current is smaller than the predetermined first charging current setting value By changing the current value, the charging current is supplied to the secondary battery to suppress the heat generation of the battery so that the battery can be charged in a short time within the optimum temperature range for the battery.

本発明によると、二次電池の温度が規定される定電圧充電の電圧値が下がる温度よりも高くならないため、定電圧充電の電圧値が下がることなく、電池に最適な温度範囲で短時間に充電し、電池の充電容量が減少することを防止することができる。   According to the present invention, the voltage value of the constant voltage charging is not higher than the temperature at which the voltage of the secondary battery is regulated, so that the voltage value of the constant voltage charging does not decrease, and the temperature range is optimal for the battery in a short time. Charging can be performed to prevent the battery charge capacity from decreasing.

以下、本発明の実施例を図面に基づいて説明する。ただし、以下に示す実施例は、本発明を具体的に説明するものであって、本発明は充電装置、充電方法を以下のものに特定しない。   Embodiments of the present invention will be described below with reference to the drawings. However, the embodiment described below specifically explains the present invention, and the present invention does not specify the charging device and the charging method as follows.

図６は、二次電池を充電するための充電制御装置のブロック図である。図６において、充電電流を供給する充電電源部１、二次電池の充電制御を行い、充電電流の切替信号を出す充電制御部２、充電中はオンして充電が完了するとオフする充電制御スイッチ３、充電電流を検出する充電電流検出抵抗４、二次電池５、前記二次電池５の温度を検出する温度検出部６、前記温度検出部６で検出した信号を電圧に変換し、前記充電制御部２に発信する電池温度検出信号７、定電流充電から定電圧充電への切替や電池の過放電、過電圧を検出するため、前記二次電池５の電圧を前記充電制御部２に送信する電池電圧信号８、前記充電電流検出抵抗４から充電電流の値を前記充電制御部２に送信する充電電流検出信号１０、前記充電制御部２から充電電流切替の信号を前記充電電流検出抵抗４に送信される充電電流切替信号９、前記充電制御部２から前記充電制御スイッチ３に発信されるオン／オフ信号１１である。   FIG. 6 is a block diagram of a charge control device for charging a secondary battery. In FIG. 6, a charging power supply unit 1 that supplies a charging current, a charging control unit 2 that performs charging control of a secondary battery and outputs a switching signal for a charging current, a charging control switch that is turned on during charging and turned off when charging is completed 3. Charging current detection resistor 4 for detecting charging current, secondary battery 5, temperature detecting unit 6 for detecting temperature of the secondary battery 5, a signal detected by the temperature detecting unit 6 is converted into a voltage, and the charging is performed. The battery temperature detection signal 7 transmitted to the control unit 2, switching from constant current charging to constant voltage charging, overdischarge of the battery, and detection of overvoltage, the voltage of the secondary battery 5 is transmitted to the charge control unit 2. A battery voltage signal 8, a charging current detection signal 10 for transmitting a charging current value from the charging current detection resistor 4 to the charging control unit 2, and a charging current switching signal from the charging control unit 2 to the charging current detection resistor 4. Sending charge current switching signal 9, an on / off signal 11 transmitted from the charging control unit 2 to the charge control switch 3.

図６に示される二次電池充電装置において、充電を開始すると、二次電池５の発熱や充電器自体の発熱の煽りにより、二次電池５の温度は上昇する。温度検出部６は二次電池５の温度を検出して、充電制御部２に電池温度検出信号７を送信し、前記充電制御部２は、電池の温度に対応した充電電流に切り替える前記充電電流切替信号９を充電電流検出抵抗４に発信する。   In the secondary battery charging device shown in FIG. 6, when charging is started, the temperature of the secondary battery 5 rises due to the heat generated by the secondary battery 5 or the heat generated by the charger itself. The temperature detection unit 6 detects the temperature of the secondary battery 5 and transmits a battery temperature detection signal 7 to the charge control unit 2, and the charge control unit 2 switches the charging current to the charge current corresponding to the battery temperature. A switching signal 9 is transmitted to the charging current detection resistor 4.

本発明の充電方法を図１および図２に示す。図１、図２は、それぞれ、温度と高温になると定電圧充電の電圧を下げ、満充電にしない充電方法で規定される定電圧充電の電圧値と本発明で提供する充電電流の関係を記載している。図１に示す本発明による充電方法１では、図６の温度検出部６により二次電池の温度を検出し、定電圧充電の電圧値が下がる切替温度２よりも低い切替温度１になると、図６の充電制御部２は充電電流検出抵抗４に充電電流切替信号９を発信し、充電電流を下げる。これにより、電池の温度上昇を抑え、切替温度２よりも高くならないようにする。図１に示すように、充電電流を元の高い電流値に戻す切替温度２は切替温度１よりも低い温度にし、にヒステリシスを持たせる。充電電流は切替温度にヒステリシスを持たせず、切替温度１より低くなると、すぐに元の高い充電電流に戻すこともできる。また、充電電流を下げる値は、単に充電電流を小さくするだけでなく、ゼロにすることも可能である。   The charging method of the present invention is shown in FIGS. FIG. 1 and FIG. 2 describe the relationship between the voltage value of constant voltage charging defined by a charging method that reduces the voltage of constant voltage charging when the temperature and the temperature rise, and does not fully charge, and the charging current provided by the present invention. is doing. In the charging method 1 according to the present invention shown in FIG. 1, when the temperature of the secondary battery is detected by the temperature detection unit 6 of FIG. 6 and the switching temperature 1 becomes lower than the switching temperature 2 at which the voltage value of constant voltage charging decreases, The charging control unit 2 of 6 transmits a charging current switching signal 9 to the charging current detection resistor 4 to reduce the charging current. Thereby, the temperature rise of a battery is suppressed and it does not become higher than the switching temperature 2. As shown in FIG. 1, the switching temperature 2 for returning the charging current to the original high current value is lower than the switching temperature 1 and has hysteresis. The charging current does not have a hysteresis at the switching temperature, and when it becomes lower than the switching temperature 1, it can be immediately returned to the original high charging current. In addition, the value for reducing the charging current can be reduced to zero as well as merely reducing the charging current.

図２に示す充電方法では、充電電流の変化方法を図１のように急激に下げるのではなく、温度検出部６により検出した電池温度が切替温度１よりも高くなると検出した電池温度に応じて充電電流の電流値を連続的に下げるようにする。これにより、電池は温度上昇しにくくし、充電電流も大きく下がらないため、充電時間が長くなることを防ぐことが可能となる。   In the charging method shown in FIG. 2, the charging current changing method is not drastically lowered as shown in FIG. 1, but depending on the detected battery temperature when the battery temperature detected by the temperature detection unit 6 becomes higher than the switching temperature 1. The current value of the charging current is continuously reduced. As a result, the temperature of the battery is less likely to increase, and the charging current does not decrease greatly, so that it is possible to prevent the charging time from becoming long.

従来の充電方法と本発明による充電方法（図１および図２）で二次電池の充電を行い、電池の温度上昇の比較を行った。今回の実験では、切替温度１を４０℃、切替温度２を４５℃に設定し、図１による充電方法では、ヒステリシスを持たせず、切替温度１である４０℃により充電電流の切替を行った。また、充電電流を下げる値は、下げる前の５０％の充電電流値とした。従来の充電方法では温度測定部６を充電回路部で最も温度上昇が高い箇所を測定した。本発明による充電方法では、充電方法１，２ともに二次電池を直接測定できる箇所に配置した。図３、４、５は、それぞれ、従来の充電方法、図１による充電方法、図２による充電方法の電池電圧、充電電流、電池温度のカーブである。   The secondary battery was charged by the conventional charging method and the charging method according to the present invention (FIGS. 1 and 2), and the temperature rise of the batteries was compared. In this experiment, the switching temperature 1 was set to 40 ° C. and the switching temperature 2 was set to 45 ° C. In the charging method according to FIG. 1, the charging current was switched at 40 ° C. which is the switching temperature 1 without hysteresis. . The value for reducing the charging current was 50% of the charging current value before the reduction. In the conventional charging method, the temperature measuring unit 6 was measured at the highest temperature rise in the charging circuit unit. In the charging method according to the present invention, both the charging methods 1 and 2 are arranged at locations where the secondary battery can be directly measured. 3, 4 and 5 are curves of the conventional charging method, the charging method according to FIG. 1, and the battery voltage, charging current and battery temperature of the charging method according to FIG. 2, respectively.

図５に示すように、従来の充電方法では、充電開始と同時に温度測定部６の温度が上昇し、温度測定部６の検出電圧が切替温度２である４５℃を越えたため、定電圧充電の電圧値が下がっている。このため、充電容量も下がってしまう。   As shown in FIG. 5, in the conventional charging method, the temperature of the temperature measuring unit 6 increases simultaneously with the start of charging, and the detected voltage of the temperature measuring unit 6 exceeds the switching temperature 2 of 45 ° C. The voltage value has dropped. For this reason, a charge capacity will also fall.

それに対して、図１、図２に示す充電方法では、温度測定部６を二次電池の温度を直接測定できる箇所に配置しているため、電池温度をそのまま測定できる。充電方法１では、図３に示すように、充電開始と同時に電池温度は上昇するが、電池温度が切替温度１である４０℃を越えると充電電流は下がる。電池温度は充電電流が下がると低くなるため、電池温度は下がる。４０℃を下回ると、充電電流は大きくなり、電池温度は高くなる。そして再び電池温度が４０℃を越えると充電電流は下がる。充電装置はこの充電電流の切替動作を繰り返すが、電池温度が４５℃を越え、定電圧充電の電圧値が下がることはない。図２に示す充電方法では、電池の温度は上昇するが、４０℃以上になると電池温度に対応して充電電流を連続的に変化させ、電池温度の温度上昇を抑えるように充電電流を制御するため、定電圧充電の電圧値が下がっていないことが図４からわかる。このように、従来の充電方法では定電圧充電の電圧値が下がり、結果、充電容量が低下するのに対して、本発明の充電方法１，２では、定電圧充電の電圧値は変わらないので、充電容量は低下しない。   On the other hand, in the charging method shown in FIGS. 1 and 2, the temperature measuring unit 6 is disposed at a location where the temperature of the secondary battery can be directly measured, and therefore the battery temperature can be measured as it is. In the charging method 1, as shown in FIG. 3, the battery temperature increases at the same time as charging is started, but the charging current decreases when the battery temperature exceeds 40 ° C., which is the switching temperature 1. Since the battery temperature decreases as the charging current decreases, the battery temperature decreases. Below 40 ° C., the charging current increases and the battery temperature increases. When the battery temperature again exceeds 40 ° C., the charging current decreases. The charging device repeats this switching operation of the charging current, but the battery temperature does not exceed 45 ° C. and the voltage value of constant voltage charging does not decrease. In the charging method shown in FIG. 2, the battery temperature rises, but when it reaches 40 ° C. or higher, the charging current is continuously changed according to the battery temperature, and the charging current is controlled so as to suppress the temperature rise of the battery temperature. Therefore, it can be seen from FIG. 4 that the voltage value of constant voltage charging has not decreased. As described above, the voltage value of constant voltage charging is lowered in the conventional charging method, and as a result, the charging capacity is lowered. However, in the charging methods 1 and 2 of the present invention, the voltage value of constant voltage charging is not changed. The charging capacity does not decrease.

本発明により、高温になると定電圧充電の電圧を下げ、満充電にしない充電方法により規定される定電圧充電の電圧値が下がる温度まで電池温度が上昇することはなく、電池に最適な温度範囲で短時間に充電することができ、充電容量は低下せず、常に満充電した電池を使用することができる。   According to the present invention, the battery temperature does not rise to a temperature at which the voltage value of the constant voltage charging is lowered by decreasing the voltage of the constant voltage charging at a high temperature and the voltage value of the constant voltage charging specified by the charging method not being fully charged. Can be charged in a short time, the charging capacity does not decrease, and a fully charged battery can always be used.

本発明の実施の形態１示す充電制御方法１の図The figure of the charge control method 1 which shows Embodiment 1 of this invention 本発明の実施の形態２示す充電制御方法２の図The figure of the charge control method 2 shown in Embodiment 2 of this invention 本発明の充電制御方法１による充電カーブの図The figure of the charge curve by the charge control method 1 of this invention 本発明の充電制御方法２による充電カーブの図The figure of the charge curve by the charge control method 2 of this invention 従来の充電方法による充電カーブの図Figure of charging curve by conventional charging method 充電制御装置のブロック図Charge control device block diagram 高温になると定電圧充電の電圧を下げ、満充電にしない充電方法の図Diagram of the charging method that reduces the voltage of constant voltage charging at high temperatures and does not fully charge

符号の説明Explanation of symbols

１ 充電電源部
２ 充電制御部
３ 充電制御スイッチ
４ 充電電流検出抵抗
５ 二次電池
６ 温度検出部
７ 電池温度検出信号
８ 電池電圧信号
９ 充電電流切替信号
１０ 充電電流検出信号
１１ オン／オフ信号 DESCRIPTION OF SYMBOLS 1 Charge power supply part 2 Charge control part 3 Charge control switch 4 Charging current detection resistance 5 Secondary battery 6 Temperature detection part 7 Battery temperature detection signal 8 Battery voltage signal 9 Charging current switching signal 10 Charging current detection signal 11 On / off signal

Claims (4)

二次電池の温度により定電圧充電の電圧値を下げる前記二次電池の充電を行う二次電池の充電装置において、
二次電池の温度を検出し、検出した温度が定電圧充電の電圧値を下げる前記検出温度よりも低い切替温度１設定値以上になると、充電電流を所定の第１の充電電流設定値よりも小さい第２の任意の充電電流値に変化させ、充電電流を前記二次電池に供給し、電池の発熱を抑え、電池に最適な温度範囲で短時間に充電できることを特徴とした二次電池の充電装置。 In the secondary battery charging device for charging the secondary battery, which lowers the voltage value of constant voltage charging according to the temperature of the secondary battery,
When the temperature of the secondary battery is detected, and the detected temperature becomes equal to or higher than the switching temperature 1 set value lower than the detected temperature for reducing the voltage value of constant voltage charging, the charging current is set to be lower than the predetermined first charging current set value. The secondary battery is characterized in that it can be charged to a small second arbitrary charging current value, supplying charging current to the secondary battery, suppressing heat generation of the battery, and charging in a short time within the optimum temperature range for the battery. Charging device. 前記充電装置において、前記検出した検出温度が任意の切替温度２よりも低くなると前記所定の第１の充電電流設定値に変化させ、電池に最適な温度範囲で短時間に充電できることを特徴とする請求項１記載の充電装置。 In the charging apparatus, when the detected temperature detected is lower than an arbitrary switching temperature 2, the charging device is changed to the predetermined first charging current set value, and can be charged in a short time within an optimum temperature range for the battery. The charging device according to claim 1. 前記充電装置において、前記検出した温度が定電圧充電の電圧値を変化させる前記検出温度よりも低い切替温度１設定値以上になると、充電電流を零にし、前記検出した温度が切替温度１よりも下がると充電電流を前記所定の第１の充電電流設定値に戻し、電池に最適な温度範囲で短時間に充電できることを特徴とする請求項１記載の充電装置。 In the charging device, when the detected temperature is equal to or higher than a switching temperature 1 set value lower than the detected temperature for changing the voltage value of constant voltage charging, the charging current is set to zero, and the detected temperature is lower than the switching temperature 1. 2. The charging device according to claim 1, wherein when the voltage drops, the charging current is returned to the predetermined first charging current set value, and the battery can be charged in a short time within an optimum temperature range for the battery. 前記充電装置において、前記検出した温度が定電圧充電の電圧値を変化させる前記検出温度よりも低い切替温度１設定値以上になると、電池温度に応じた所定の第１の充電電流値よりも小さな電流値に連続的に充電電流を変化させることにより、電池に最適な温度範囲で短時間に充電できることを特徴とする請求項１記載の充電装置。 In the charging device, when the detected temperature is equal to or higher than a switching temperature 1 set value lower than the detected temperature for changing the voltage value of constant voltage charging, the charging device is smaller than a predetermined first charging current value according to the battery temperature. The charging device according to claim 1, wherein the battery can be charged in a short time within an optimum temperature range for the battery by continuously changing the charging current to the current value.
JP2008058947A 2008-03-10 2008-03-10 Charging equipment Pending JP2009219221A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102570832A (en) * 2012-01-16 2012-07-11 翁玉琴 Trigger power supply capable of following temperature characteristic of thyristor
JP2012222895A (en) * 2011-04-06 2012-11-12 Toyota Motor Corp Charge control device
CN106557136A (en) * 2016-11-29 2017-04-05 维沃移动通信有限公司 Temperature-controlled process and mobile terminal during a kind of charging
KR101727794B1 (en) * 2012-10-16 2017-04-17 로무 가부시키가이샤 Power receiving control circuit, method for controlling wireless power receiving device, and electronic device
CN107591578A (en) * 2016-07-10 2018-01-16 深圳格林德能源有限公司 Polymer lithium ion battery clamp formation process
CN107732314A (en) * 2017-11-13 2018-02-23 桑顿新能源科技有限公司 A kind of quick formation processing method for improving cycle performance of lithium ion battery
CN110178382A (en) * 2017-01-20 2019-08-27 索尼公司 Audio signal reproduction equipment and control method
JP2020114199A (en) * 2019-01-17 2020-07-30 日本たばこ産業株式会社 Power supply unit for aerosol inhaler, and control method and program for power supply unit for aerosol inhaler
CN111952677A (en) * 2020-08-27 2020-11-17 天津赢慧科技咨询服务有限公司 Method for preparing high-voltage lithium battery by electrochemical oxidation reduction
JP2022074134A (en) * 2020-10-30 2022-05-17 テクトロニック コードレス ジーピー Battery pack with temperature limited current
WO2024180625A1 (en) * 2023-02-27 2024-09-06 日本たばこ産業株式会社 Power supply unit for aerosol-generating device, control method, and control program

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10341540A (en) * 1997-06-09 1998-12-22 Toyota Autom Loom Works Ltd Battery charging controller
JP2002051478A (en) * 2000-07-28 2002-02-15 Matsushita Electric Ind Co Ltd Charge control method and portable electronic equipment
JP2005065476A (en) * 2003-07-25 2005-03-10 Sanyo Electric Co Ltd Method for charging battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10341540A (en) * 1997-06-09 1998-12-22 Toyota Autom Loom Works Ltd Battery charging controller
JP2002051478A (en) * 2000-07-28 2002-02-15 Matsushita Electric Ind Co Ltd Charge control method and portable electronic equipment
JP2005065476A (en) * 2003-07-25 2005-03-10 Sanyo Electric Co Ltd Method for charging battery

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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KR101727794B1 (en) * 2012-10-16 2017-04-17 로무 가부시키가이샤 Power receiving control circuit, method for controlling wireless power receiving device, and electronic device
US9893556B2 (en) 2012-10-16 2018-02-13 Rohm Co., Ltd. Power receiving circuit, control method for wireless power receiving apparatus, and electronic device
CN107591578B (en) * 2016-07-10 2019-07-09 深圳格林德能源集团有限公司 Polymer lithium ion battery clamp formation process
CN107591578A (en) * 2016-07-10 2018-01-16 深圳格林德能源有限公司 Polymer lithium ion battery clamp formation process
CN106557136A (en) * 2016-11-29 2017-04-05 维沃移动通信有限公司 Temperature-controlled process and mobile terminal during a kind of charging
CN110178382A (en) * 2017-01-20 2019-08-27 索尼公司 Audio signal reproduction equipment and control method
US11477589B2 (en) 2017-01-20 2022-10-18 Sony Corporation Audio signal reproduction apparatus and control method
CN107732314A (en) * 2017-11-13 2018-02-23 桑顿新能源科技有限公司 A kind of quick formation processing method for improving cycle performance of lithium ion battery
JP2020114199A (en) * 2019-01-17 2020-07-30 日本たばこ産業株式会社 Power supply unit for aerosol inhaler, and control method and program for power supply unit for aerosol inhaler
US11133692B2 (en) 2019-01-17 2021-09-28 Japan Tobacco Inc. Power supply unit for aerosol inhaler and control method and program of power supply unit for aerosol inhaler
US11605963B2 (en) 2019-01-17 2023-03-14 Japan Tobacco Inc. Power supply unit for aerosol inhaler and control method and program of power supply unit for aerosol inhaler
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JP7297032B2 (en) 2020-10-30 2023-06-23 テクトロニック コードレス ジーピー Battery pack with temperature limited current
WO2024180625A1 (en) * 2023-02-27 2024-09-06 日本たばこ産業株式会社 Power supply unit for aerosol-generating device, control method, and control program

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