JPH09318714A - Device for predicting charge/discharge cycle of secondary battery - Google Patents

Device for predicting charge/discharge cycle of secondary battery

Info

Publication number
JPH09318714A
JPH09318714A JP8131751A JP13175196A JPH09318714A JP H09318714 A JPH09318714 A JP H09318714A JP 8131751 A JP8131751 A JP 8131751A JP 13175196 A JP13175196 A JP 13175196A JP H09318714 A JPH09318714 A JP H09318714A
Authority
JP
Japan
Prior art keywords
data
secondary battery
discharge
charge
charging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8131751A
Other languages
Japanese (ja)
Inventor
Nobuyuki Hosoya
谷 信 之 細
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Computer Engineering Corp
Original Assignee
Toshiba Corp
Toshiba Computer Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Toshiba Computer Engineering Corp filed Critical Toshiba Corp
Priority to JP8131751A priority Critical patent/JPH09318714A/en
Publication of JPH09318714A publication Critical patent/JPH09318714A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

PROBLEM TO BE SOLVED: To enhance the accuracy of predicting by a method wherein the number of times of charge/discharge cycles of a secondary battery is calculated to be predicted by means of a charge/discharge cycle time prediction calculator on the basis of discharge capacity data detected by a discharge capacity detector and an initially capable capacity data read by a secondary battery basic data reader. SOLUTION: Each data of an initially capable capacity which is read from a secondary battery 12 by a secondary battery basic data reader 14, a charge/discharge cycle deterioration coefficient, temperature correction coefficients of charge and discharge times and a self discharge correction coefficient is transmitted to a charge/discharge cycle time prediction calculator 15. Each data of a discharge capacity detected by a discharge capacity detector 13, an ambient temperature at the charging time detected by a charge time ambient temperature detector 16, the date at the charging recorded by a charging date recorder 17 and an ambient temperature at the discharging time detected by a discharge time ambient temperature detector 18 and the present time data of a clock 19 are transmitted to the calculator 15. The above data is calculated by the calculator 15, then the number of times of charge/ discharge cycles which have been repeatedly executed by the secondary battery 12 until the present time is predicted.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は2次電池の充放電
サイクル予測装置に係り、特に、2次電池の充放電サイ
クルから2次電池の寿命を予測するようにした2次電池
の充放電サイクル予測装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a secondary battery charge / discharge cycle prediction device, and more particularly to a secondary battery charge / discharge cycle for predicting the secondary battery life from the secondary battery charge / discharge cycle. It relates to a prediction device.

【0002】[0002]

【従来の技術および発明が解決しようとする課題】最
近、ワードプロセッサ、パソコン等の電子機器の電源に
は2次電池が使用されている。
2. Description of the Related Art Recently, secondary batteries have been used as a power source for electronic devices such as word processors and personal computers.

【0003】この2次電池は出力電圧を監視しながら充
放電を繰り返し使用するものであるがこの2次電池は充
放電を所定以上繰り返すと所定の出力電圧を維持できな
くなる。
This secondary battery is repeatedly charged and discharged while monitoring the output voltage. However, when the secondary battery is repeatedly charged and discharged for a predetermined number of times or more, it cannot maintain a predetermined output voltage.

【0004】このような状態では電子機器が有効な機能
を奏さないのでいままで使用していた2次電池は寿命が
きたとして新規な2次電池に交換して使用する。
In such a state, since the electronic device does not have an effective function, the secondary battery used up to now is replaced with a new secondary battery when it reaches the end of its life.

【0005】ところが、この種の電子機器に使用される
2次電池は経験的に使用時間を考慮しながら出力電圧が
維持するか否かを基準にその寿命を予測していたため、
電子機器が使用中に所定の出力電圧が維持できなってそ
の使用が不能になることがある。
However, the secondary battery used in this type of electronic equipment is empirically empirically expected to have a service life based on whether or not the output voltage is maintained, taking into consideration the operating time.
There is a case where a predetermined output voltage can be maintained while the electronic device is in use and the electronic device cannot be used.

【0006】特に、出張等で携帯して使用する電子機器
では簡単に新規な2次電池を交換できず業務に支障を来
すと言う問題があった。
In particular, there is a problem that electronic devices that are carried and used on business trips cannot easily replace a new secondary battery, which hinders business.

【0007】そこで本発明は上記問題を解決するために
電子機器に使用されている2次電池の寿命をその電子機
器に使用されている電子装置、演算装置を用いて簡単に
予測するようにした2次電池の充放電サイクル予測装置
を提供することを目的とするものである。
Therefore, in order to solve the above problems, the present invention is designed to easily predict the life of a secondary battery used in an electronic device by using an electronic device or an arithmetic unit used in the electronic device. It is an object of the present invention to provide a charge / discharge cycle prediction device for a secondary battery.

【0008】[0008]

【課題を解決するための手段】本発明は2次電池の基礎
データを読取る基礎データ読取手段と、前記2次電池が
放電した放電容量データを検出する放電容量データ検出
手段と、前記基礎データ読取手段が読取った基礎データ
と前記放電容量データ検出手段が検出した放電容量デー
タとから前記2次電池の充放電サイクル回数を予測演算
する充放電サイクル回数予測演算手段とを備えたことを
特徴とする2次電池の充放電サイクル予測装置を提供す
るものである。
The present invention provides a basic data reading means for reading basic data of a secondary battery, a discharge capacity data detecting means for detecting discharge capacity data of the secondary battery, and the basic data reading. A charging / discharging cycle number predicting / calculating means for predicting and calculating the charging / discharging cycle number of the secondary battery from the basic data read by the means and the discharging capacity data detected by the discharging capacity data detecting means. A charge / discharge cycle prediction device for a secondary battery is provided.

【0009】また、本発明の前記基礎データ読取手段は
2次電池の初期容量データを読取る初期容量データ読取
手段および充放電回数劣化係数データを読取る充放電サ
イクル劣化係数データ読取手段であることを特徴とする
2次電池の充放電サイクル予測装置を提供するものであ
る。
The basic data reading means of the present invention is an initial capacity data reading means for reading the initial capacity data of the secondary battery and a charge / discharge cycle deterioration coefficient data reading means for reading the charge / discharge frequency deterioration coefficient data. The present invention provides a secondary battery charge / discharge cycle prediction device.

【0010】さらに、本発明の前記基礎データ読取手段
は温度補正係数データを読取る温度補正係数データ読取
手段であることを特徴とする2次電池の充放電サイクル
予測装置を提供するものである。
Further, the basic data reading means of the present invention is a temperature correction coefficient data reading means for reading temperature correction coefficient data, and provides a secondary battery charge / discharge cycle predicting apparatus.

【0011】さらに、本発明の前記温度補正係数データ
読取手段は充電時の温度補正係数データおよび放電時の
温度補正係数データを読取る充放電温度補正係数データ
読取手段であることを特徴とする2次電池の充放電サイ
クル予測装置を提供するものである。
Further, the temperature correction coefficient data reading means of the present invention is a charging / discharging temperature correction coefficient data reading means for reading temperature correction coefficient data during charging and temperature correction coefficient data during discharging. A battery charge / discharge cycle prediction device is provided.

【0012】さらに、本発明の前記基礎データ読取手段
は2次電池の自己放電補正係数データを読取る自己放電
補正係数データ読取手段であることを特徴とする2次電
池の充放電サイクル予測装置を提供するものである。
Further, the basic data reading means of the present invention is a self-discharge correction coefficient data reading means for reading the self-discharge correction coefficient data of the secondary battery. To do.

【0013】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を周囲
温度データにより補正する周囲温度データ検出手段を備
えたことを特徴とする2次電池の充放電サイクル予測装
置を提供するものである。
Further, the charging / discharging cycle number predicting / calculating means of the present invention is provided with an ambient temperature data detecting means for correcting the charging / discharging cycle number of the secondary battery with ambient temperature data. A charge / discharge cycle prediction device is provided.

【0014】さらに、本発明の前記周囲温度データ検出
手段は充電時の周囲温度データおよび放電時の周囲温度
データにより補正する充放電周囲温度データ検出手段を
備えたことを特徴とする2次電池の充放電サイクル予測
装置を提供するものである。
Further, the ambient temperature data detecting means of the present invention comprises a charging / discharging ambient temperature data detecting means for correcting the ambient temperature data during charging and the ambient temperature data during discharging. A charge / discharge cycle prediction device is provided.

【0015】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を経時
データにより補正する経時データ検出手段を備えたこと
を特徴とする2次電池の充放電サイクル予測装置を提供
するものである。
Further, the charging / discharging cycle number predicting / calculating means of the present invention is provided with a aging data detecting means for correcting the charging / discharging cycle number of the secondary battery based on the aging data. A cycle prediction device is provided.

【0016】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を充電
時データおよび放電時データにより補正する充放電経時
データ検出手段を備えたことを特徴とする2次電池の充
放電サイクル予測装置を提供するものである。
Further, the charging / discharging cycle number predicting / calculating means of the present invention is provided with a charging / discharging elapsed time data detecting means for correcting the charging / discharging cycle number of the secondary battery based on charging data and discharging data. The present invention provides a charge / discharge cycle prediction device for a secondary battery.

【0017】[0017]

【発明の実施の形態】以下、本発明の2次電池の充放電
サイクル予測装置の実施の形態を添付図面について説明
する。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a charge / discharge cycle prediction apparatus for a secondary battery according to the present invention will be described below with reference to the accompanying drawings.

【0018】ワードプロセッサ、パソコン等の電子機器
には本発明の2次電池の充放電サイクル予測装置10が
搭載される。この2次電池の充放電サイクル予測装置1
0には液晶表示部、CPU 、ハードデイスク等の負荷11
に電力を供給するリチュームイオン電池等の2次電池1
2が備えられている。この2次電池12と負荷11との
間には放電容量検出器13が接続され、負荷11に供給
される電力、すなわち、放電容量データ(AD)を検出す
るようになっている。
The rechargeable battery charge / discharge cycle predicting apparatus 10 of the present invention is mounted on an electronic device such as a word processor or a personal computer. This secondary battery charge / discharge cycle prediction device 1
0 is a load such as a liquid crystal display unit, CPU, hard disk 11
Secondary battery 1 such as a lithium-ion battery that supplies power to
2 is provided. A discharge capacity detector 13 is connected between the secondary battery 12 and the load 11 to detect electric power supplied to the load 11, that is, discharge capacity data (AD).

【0019】この2次電池12には電子機器に使用され
ているマイコン、CPU 等の2次電池基礎データ読取器1
4が備えられ、2次電池12の初期実力容量データ(BD
1 )、充放電サイクル劣化係数データ(BD2 )、充電時
温度補正係数データ(BD3 )、放電時温度補正係数デー
タ(BD4 )、自己放電補正係数データ(BD5 )等を読取
るようになっている。
The secondary battery 12 is a secondary battery basic data reader 1 such as a microcomputer or CPU used in electronic equipment.
4 is provided, the initial capacity data of the secondary battery 12 (BD
1), charge / discharge cycle deterioration coefficient data (BD2), charge temperature correction coefficient data (BD3), discharge temperature correction coefficient data (BD4), self-discharge correction coefficient data (BD5), etc. can be read.

【0020】放電容量検出器13および2次電池基礎デ
ータ読取器14には電子機器に使用されているマイコ
ン、CPU 等の充放電サイクル回数予測演算器15が接続
され、放電容量検出器13が検出した放電容量データ
(AD)および2次電池基礎データ読取器14が読取った
初期実力容量データ(BD1 )等から2次電池12の充放
電サイクル回数を予測演算するようになっている。
The discharge capacity detector 13 and the secondary battery basic data reader 14 are connected to a charge / discharge cycle number predicting calculator 15 such as a microcomputer and a CPU used in electronic equipment, and the discharge capacity detector 13 detects the discharge capacity detector 13. The number of charging / discharging cycles of the secondary battery 12 is predicted and calculated from the discharge capacity data (AD) and the initial actual capacity data (BD1) read by the secondary battery basic data reader 14.

【0021】この充放電サイクル回数予測演算器15に
は2次電池12の充電時周囲温度検出器16、充電時年
月日記録器17、放電時周囲温度検出器18、計時19
等が接続され、充電時周囲温度検出器16が検出する充
電時周囲温度データ(TO)、充電時年月日記録器17が
記録する充電時年月日データ(CO)、放電時周囲温度検
出器18が検出する放電時周囲温度データ(T1)、計時
19が記録する現時データ(CD)を充放電サイクル回数
予測演算器15に送出すようになっている。
The charging / discharging cycle number predicting calculator 15 includes an ambient temperature detector 16 for charging the secondary battery 12, a date recorder 17 for charging, an ambient temperature detector 18 for discharging, and a clock 19.
Etc. are connected, the ambient temperature data during charging detected by the ambient temperature detector 16 during charging (TO), date data during charging (CO) recorded by the date recorder 17 during charging, ambient temperature detection during discharging The discharge ambient temperature data (T1) detected by the device 18 and the current data (CD) recorded by the time measurement 19 are sent to the charge / discharge cycle number prediction calculator 15.

【0022】さらに、この充放電サイクル回数予測演算
器15には演算出力表示器20が接続され、演算結果を
出力表示するようになっている。
Further, a calculation output indicator 20 is connected to the charge / discharge cycle number predicting calculator 15 so as to output and display the calculation result.

【0023】このように構成した2次電池充放電回数検
出装置10を用いて2次電池12の充放電サイクル回数
を予測演算する場合について説明する。
A case will be described in which the number of charge / discharge cycles of the secondary battery 12 is predicted and calculated by using the secondary battery charge / discharge number detecting device 10 configured as described above.

【0024】2次電池基礎データ読取器14が2次電池
12から読取った初期実力容量データ(BD1 )、充放電
サイクル劣化係数データ(BD2 )、充電時温度補正係数
データ(BD3 )、放電時温度補正係数データ(BD4 )、
自己放電補正係数データ(BD5 )を充放電サイクル回数
予測演算器15に送る。
Initial capacity data (BD1) read by the secondary battery basic data reader 14 from the secondary battery 12, charge / discharge cycle deterioration coefficient data (BD2), charge temperature correction coefficient data (BD3), discharge temperature. Correction coefficient data (BD4),
The self-discharge correction coefficient data (BD5) is sent to the charge / discharge cycle number prediction calculator 15.

【0025】また、放電容量検出器13が検出した放電
容量データ(AD)を充放電サイクル回数予測演算器15
に送る。さらに、充電時周囲温度検出器16が検出した
充電時周囲温度データ(TO)、充電時年月日記録器17
が記録する充電時周囲温度データ(CD)、計時19が発
生する充電時年月日データ(CO)および放電時周囲温度
検出器18が検出する放電時周囲温度データ(T1)を充
放電サイクル回数予測演算器15に送る。
The discharge capacity data (AD) detected by the discharge capacity detector 13 is used to predict the number of charge / discharge cycles 15
Send to In addition, the ambient temperature data during charging (TO) detected by the ambient temperature detector 16 during charging, the date recorder 17 during charging
The charging ambient temperature data (CD), the charging date data (CO) generated by the timekeeping 19 and the discharging ambient temperature data (T1) detected by the discharging ambient temperature detector 18 recorded by the It is sent to the prediction calculator 15.

【0026】このようなデータを充放電サイクル回数予
測演算器15が演算処理し、2次電池12が現在まで充
放電サイクルを繰り返した充放電サイクル回数を予測す
る。
The charging / discharging cycle number predicting calculator 15 processes such data and predicts the charging / discharging cycle number at which the secondary battery 12 has repeated charging / discharging cycles up to the present.

【0027】例えば、充放電サイクル回数予測演算器1
5が2次電池基礎データ読取器14から読取った初期実
力容量データ(BD1 )と充放電サイクル劣化係数データ
(BD2 )および放電容量検出器13が検出した放電容量
データ(AD)を用いて式(1)に従い演算処理し、2次
電池12の充放電サイクル回数を予測する。 M1=(BD1 −AD)BD2 … (1) この予測データを演算出力表示器20に出力表示しその
表示結果から2次電池12の寿命を推測する。この推測
により電子機器に使用する2次電池12の寿命切れを事
前に把握し電子機器を不動作状態することを回避する。
For example, the charge / discharge cycle number prediction calculator 1
5 is an equation (5) using the initial capacity data (BD1) read from the secondary battery basic data reader 14, the charge / discharge cycle deterioration coefficient data (BD2), and the discharge capacity data (AD) detected by the discharge capacity detector 13. The calculation processing is performed according to 1), and the number of charge / discharge cycles of the secondary battery 12 is predicted. M1 = (BD1-AD) BD2 (1) This prediction data is output and displayed on the calculation output display 20, and the life of the secondary battery 12 is estimated from the display result. By this estimation, the expiration of the life of the secondary battery 12 used in the electronic device is grasped in advance, and the inoperative state of the electronic device is avoided.

【0028】また、初期実力容量データ(BD1 )、充放
電サイクル劣化係数データ(BD2 )、放電容量データ
(AD)に加え2次電池基礎データ読取器14が読取った
充電時温度補正係数データ(BD3 )および放電時温度補
正係数データ(BD4)を用いて式(2)に従い演算処理
し、2次電池12の充放電サイクル回数を予測する。 M2=(BD1 −AD×BD3 ×BD4 )BD2 … (2) この結果2次電池12の充放電サイクル回数を充電時温
度補正係数、放電時温度補正係数を考慮してさらに正確
に予測することができる。
In addition to the initial capacity data (BD1), the charge / discharge cycle deterioration coefficient data (BD2), the discharge capacity data (AD), the secondary battery basic data reader 14 reads the temperature compensation coefficient data during charging (BD3). ) And the temperature correction coefficient data during discharge (BD4) are used to perform an arithmetic operation according to the equation (2) to predict the number of charge / discharge cycles of the secondary battery 12. M2 = (BD1−AD × BD3 × BD4) BD2 (2) As a result, the number of charge / discharge cycles of the secondary battery 12 can be more accurately predicted in consideration of the temperature correction coefficient during charging and the temperature correction coefficient during discharging. it can.

【0029】さらに、初期実力容量データ(BD1 )、放
電回数劣化係数データ(BD2 )、放電容量データ(AD)
に加え2次電池基礎データ読取器14が読取った自己放
電補正係数データ(BD5 )、充電時年月日記録器17の
充電時年月日データ(CO)および計時19の現時データ
(CD)を用いて式(3)に従い演算処理し、2次電池1
2の充放電サイクル回数を予測する。 M3={(BD1 −AD×(CD−CO)BD5 }BD2 … (3) この結果2次電池12の充放電サイクル回数を自己放電
補正係数、充電時年月日および現時データを考慮してさ
らに正確に予測することができる。
Further, initial capacity data (BD1), discharge number deterioration coefficient data (BD2), discharge capacity data (AD)
In addition to the self-discharge correction coefficient data (BD5) read by the secondary battery basic data reader 14, the charging date data (CO) of the charging date recorder 17 and the current data (CD) of the timing 19 The calculation is performed according to the equation (3) using the secondary battery 1
Predict the number of charge / discharge cycles of 2. M3 = {(BD1-AD x (CD-CO) BD5} BD2 ... (3) As a result, the number of charge / discharge cycles of the secondary battery 12 is further considered in consideration of the self-discharge correction coefficient, the charging date and the current data. Can be accurately predicted.

【0030】さらに、初期実力容量データ(BD1 )、放
電回数劣化係数データ(BD2 )、放電容量データ(A
D)、充電時温度補正係数データ(BD3 )、放電時温度
補正係数データ(BD4 )、自己放電補正係数データ(BD
5 )、現時データ(CD)、充電時年月日データ(CO)を
用い式(4)に従い演算処理し、2次電池12の充放電
サイクル回数を予測する。 M4={(BD1 −AD×BD3 ×BD4 ×(CD−CO)BD5 }BD2 … (4) この結果2次電池12の充放電サイクル回数を充電時温
度補正係数、放電時温度補正係数、自己放電補正係数、
現時時間、充電時年月日を考慮しさらにさらに正確な予
測する。
Further, initial capacity data (BD1), discharge number deterioration coefficient data (BD2), discharge capacity data (A
D), temperature correction coefficient data during charging (BD3), temperature correction coefficient data during discharging (BD4), self-discharge correction coefficient data (BD
5), the current time data (CD), and the charging date data (CO) are used to calculate according to the equation (4) to predict the number of charge / discharge cycles of the secondary battery 12. M4 = {(BD1-AD * BD3 * BD4 * (CD-CO) BD5} BD2 ... (4) As a result, the number of charge / discharge cycles of the secondary battery 12 is determined by the temperature correction coefficient during charging, the temperature correction coefficient during discharging, and the self-discharge. Correction factor,
Make more accurate predictions by considering the current time and the date of charging.

【0031】なお、上記演算処理は2次電池基礎データ
読取器等が読取り、検出、記録したデータのを使用した
が読取り等するデータは上記データに限らず本発明の要
旨を逸脱しない範囲で他のデータを読み込み等して2次
電池の充放電サイクル回数を予測するようにしてもよ
い。このようにすることにより2次電池の充放電サイク
ル回数を電子機器に適した予測をすることができる。
The above-mentioned arithmetic processing uses the data read, detected and recorded by the secondary battery basic data reader or the like, but the data to be read is not limited to the above-mentioned data and may be changed within the scope of the present invention. It is also possible to predict the number of charge / discharge cycles of the secondary battery by reading the data described above. By doing so, it is possible to predict the number of charge / discharge cycles of the secondary battery suitable for the electronic device.

【0032】従って本発明の2次電池の充放電サイクル
予測装置によれば電子機器に使用されている2次電池基
礎データ読取器、充放電サイクル回数予測演算器等から
簡単に2次電池の充放電サイクル回数を予測しその結果
2次電池の寿命を把握し電子機器を常に良好に稼動でき
る状態にさせておくことができる。
Therefore, according to the charging / discharging cycle predicting apparatus for a secondary battery of the present invention, the charging / discharging cycle of the secondary battery can be easily performed from the secondary battery basic data reader, the charging / discharging cycle number predicting calculator, etc. used in the electronic equipment. It is possible to predict the number of discharge cycles and, as a result, to grasp the life of the secondary battery and keep the electronic device in a state in which it can operate normally.

【0033】[0033]

【発明の効果】本発明は2次電池の基礎データを読取る
基礎データ読取手段と、前記2次電池が放電した放電容
量データを検出する放電容量データ検出手段と、前記基
礎データ読取手段が読取った基礎データと前記放電容量
データ検出手段が検出した放電容量データとから前記2
次電池の充放電サイクル回数を予測演算する充放電サイ
クル回数予測演算手段とを備えたから2次電池の充放電
サイクル回数を基礎データ、放電容量データ等により正
確に予測することができる。
According to the present invention, the basic data reading means for reading the basic data of the secondary battery, the discharge capacity data detecting means for detecting the discharge capacity data of the secondary battery discharged, and the basic data reading means read. 2 based on the basic data and the discharge capacity data detected by the discharge capacity data detecting means.
Since the charging / discharging cycle number predicting / calculating means for predicting and calculating the charging / discharging cycle number of the secondary battery is provided, the charging / discharging cycle number of the secondary battery can be accurately predicted based on the basic data, the discharge capacity data and the like.

【0034】また、本発明の前記基礎データ読取手段は
2次電池の初期容量データを読取る初期容量データ読取
手段および充放電回数劣化係数データを読取る充放電サ
イクル劣化係数データ読取手段としたから2次電池の充
放電サイクル回数を初期容量データ、充放電回数劣化係
数データ、放電容量データ等により正確に予測すること
ができる。
Since the basic data reading means of the present invention is the initial capacity data reading means for reading the initial capacity data of the secondary battery and the charging / discharging cycle deterioration coefficient data reading means for reading the charge / discharge frequency deterioration coefficient data, the secondary data is used. It is possible to accurately predict the number of charge / discharge cycles of a battery from initial capacity data, charge / discharge frequency deterioration coefficient data, discharge capacity data, and the like.

【0035】さらに、本発明の前記基礎データ読取手段
は温度補正係数データを読取る温度補正係数データ読取
手段としたから2次電池の充放電サイクル回数を温度補
正係数データ等により正確に予測することができる。
Further, since the basic data reading means of the present invention is the temperature correction coefficient data reading means for reading the temperature correction coefficient data, the number of charge / discharge cycles of the secondary battery can be accurately predicted by the temperature correction coefficient data or the like. it can.

【0036】さらに、本発明の前記温度補正係数データ
読取手段は充電時の温度補正係数データおよび放電時の
温度補正係数データを読取る充放電温度補正係数データ
読取手段としたから2次電池の充放電サイクル回数を充
電時の温度補正係数データ、放電時の温度補正係数デー
タ等により正確に予測することができる。
Further, since the temperature correction coefficient data reading means of the present invention is the charge / discharge temperature correction coefficient data reading means for reading the temperature correction coefficient data at the time of charging and the temperature correction coefficient data at the time of discharging, charging / discharging of the secondary battery is performed. The number of cycles can be accurately predicted by temperature correction coefficient data during charging, temperature correction coefficient data during discharging, and the like.

【0037】さらに、本発明の前記基礎データ読取手段
は2次電池の自己放電補正係数データを読取る自己放電
補正係数データ読取手段としたから2次電池の充放電サ
イクル回数を自己放電補正係数データ等により正確に予
測することができる。
Further, since the basic data reading means of the present invention is the self-discharge correction coefficient data reading means for reading the self-discharge correction coefficient data of the secondary battery, the number of charging / discharging cycles of the secondary battery is determined by the self-discharge correction coefficient data, etc. Can be predicted more accurately.

【0038】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を周囲
温度データにより補正する周囲温度データ検出手段を備
えたから2次電池の充放電サイクル回数を周囲温度デー
タ等により正確に予測することができる。
Further, since the charging / discharging cycle number predicting / calculating means of the present invention is provided with the ambient temperature data detecting means for correcting the charging / discharging cycle number of the secondary battery by the ambient temperature data, the charging / discharging cycle number of the secondary battery is calculated. It can be accurately predicted from the ambient temperature data.

【0039】さらに、本発明の前記周囲温度データ検出
手段は充電時の周囲温度データおよび放電時の周囲温度
データにより補正する充放電周囲温度データ検出手段を
備えたから2次電池の充放電サイクル回数を充電時の周
囲温度データ、放電時の周囲温度データ等により正確に
予測することができる。
Further, since the ambient temperature data detecting means of the present invention is equipped with the charging / discharging ambient temperature data detecting means for correcting the ambient temperature data during charging and the ambient temperature data during discharging, the number of charge / discharge cycles of the secondary battery can be determined. It can be accurately predicted from ambient temperature data during charging, ambient temperature data during discharging, and the like.

【0040】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を経時
データにより補正する経時データ検出手段を備えたから
2次電池の充放電サイクル回数を経時データ等により正
確に予測することができる。
Further, since the charging / discharging cycle number predicting / calculating means of the present invention is provided with the aging data detecting means for correcting the charging / discharging cycle number of the secondary battery by the aging data, the charging / discharging cycle number of the secondary battery is chronological data. It is possible to accurately predict it.

【0041】さらに、本発明の前記充放電サイクル回数
予測演算手段には2次電池の充放電サイクル回数を充電
時データおよび放電時データにより補正する充放電経時
データ検出手段を備えたから2次電池の充放電サイクル
回数を充電時データ、放電時データ等により正確に予測
することができる。
Further, the charging / discharging cycle number predicting / calculating means of the present invention is provided with a charging / discharging elapsed time data detecting means for correcting the charging / discharging cycle number of the secondary battery based on charging data and discharging data. It is possible to accurately predict the number of charge / discharge cycles from the data at the time of charging, the data at the time of discharging, and the like.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の2次電池放電回数検出装置の概要を示
すブロック線図。
FIG. 1 is a block diagram showing an outline of a secondary battery discharge frequency detection device of the present invention.

【符号の説明】[Explanation of symbols]

10 2次電池の充放電サイクル予測装置 11 負荷 12 2次電池 13 放電容量検出器 14 2次電池基礎データ読取器 15 充放電サイクル回数予測演算器 16 充電時周囲温度検出器 17 充電時年月日記録器 18 放電時周囲温度検出器 19 計時 20 演算出力表示器 10 Charge / Discharge Cycle Prediction Device for Secondary Battery 11 Load 12 Secondary Battery 13 Discharge Capacity Detector 14 Secondary Battery Basic Data Reader 15 Charge / Discharge Cycle Count Prediction Calculator 16 Ambient Temperature Detector at Charging 17 Charging Date Recorder 18 Ambient temperature detector during discharge 19 Timekeeping 20 Calculation output display

Claims (9)

【特許請求の範囲】[Claims] 【請求項1】2次電池の基礎データを読取る基礎データ
読取手段と、 前記2次電池が放電した放電容量データを検出する放電
容量データ検出手段と、 前記基礎データ読取手段が読取った基礎データと前記放
電容量データ検出手段が検出した放電容量データとから
前記2次電池の充放電サイクル回数を予測演算する充放
電サイクル回数予測演算手段と、 を備えたことを特徴とする2次電池の充放電サイクル予
測装置。
1. Basic data reading means for reading basic data of a secondary battery, discharge capacity data detecting means for detecting discharge capacity data of the secondary battery, and basic data read by the basic data reading means. A charging / discharging of a secondary battery, comprising: a charging / discharging cycle number predicting / calculating unit for predicting and calculating the charging / discharging cycle number of the secondary battery from the discharging capacity data detected by the discharging capacity data detecting unit. Cycle prediction device.
【請求項2】前記基礎データ読取手段は2次電池の初期
容量データを読取る初期容量データ読取手段および充放
電回数劣化係数データを読取る充放電サイクル劣化係数
データ読取手段であることを特徴とする請求項1に記載
の2次電池の充放電サイクル予測装置。
2. The basic data reading means is an initial capacity data reading means for reading initial capacity data of a secondary battery and a charge / discharge cycle deterioration coefficient data reading means for reading charge / discharge frequency deterioration coefficient data. Item 2. The charging / discharging cycle prediction device for a secondary battery according to Item 1.
【請求項3】前記基礎データ読取手段は温度補正係数デ
ータを読取る温度補正係数データ読取手段であることを
特徴とする請求項1または2に記載の2次電池の充放電
サイクル予測装置。
3. The charging / discharging cycle predicting apparatus for a secondary battery according to claim 1, wherein the basic data reading means is a temperature correction coefficient data reading means for reading temperature correction coefficient data.
【請求項4】前記温度補正係数データ読取手段は充電時
の温度補正係数データおよび放電時の温度補正係数デー
タを読取る充放電温度補正係数データ読取手段であるこ
とを特徴とする請求項3に記載の2次電池の充放電サイ
クル予測装置。
4. The charge / discharge temperature correction coefficient data reading means for reading the temperature correction coefficient data during charging and the temperature correction coefficient data during discharging, according to claim 3. Secondary battery charge / discharge cycle prediction device.
【請求項5】前記基礎データ読取手段は2次電池の自己
放電補正係数データを読取る自己放電補正係数データ読
取手段であることを特徴とする請求項1、2、3または
4に記載の2次電池の充放電サイクル予測装置。
5. The secondary according to claim 1, 2, 3 or 4, wherein the basic data reading means is a self-discharge correction coefficient data reading means for reading the self-discharge correction coefficient data of a secondary battery. Battery charge / discharge cycle prediction device.
【請求項6】前記充放電サイクル回数予測演算手段には
2次電池の充放電サイクル回数を周囲温度データにより
補正する周囲温度データ検出手段を備えたことを特徴と
する請求項1、2、3、4または5に記載の2次電池の
充放電サイクル予測装置。
6. The ambient temperature data detecting means for correcting the number of charge / discharge cycles of the secondary battery based on ambient temperature data in the charge / discharge cycle number predicting / calculating means. 4. The charge / discharge cycle prediction device for a secondary battery according to 4 or 5.
【請求項7】前記周囲温度データ検出手段は充電時の周
囲温度データおよび放電時の周囲温度データにより補正
する充放電周囲温度データ検出手段を備えたことを特徴
とする請求項1、2、3、4、5または6に記載の2次
電池の充放電サイクル予測装置。
7. The charging / discharging ambient temperature data detecting means for correcting the ambient temperature data detecting means with the ambient temperature data during charging and the ambient temperature data during discharging. The charge / discharge cycle prediction device for a secondary battery according to 4, 5, or 6.
【請求項8】前記充放電サイクル回数予測演算手段には
2次電池の充放電サイクル回数を経時データにより補正
する経時データ検出手段を備えたことを特徴とする請求
項1、2、3、4、5、6または7に記載の2次電池の
充放電サイクル予測装置。
8. The charging / discharging cycle number predicting / calculating means is provided with aging data detecting means for correcting the charging / discharging cycle number of the secondary battery by aging data. The charge / discharge cycle prediction device for a secondary battery according to 5, 6, or 7.
【請求項9】前記充放電サイクル回数予測演算手段には
2次電池の充放電サイクル回数を充電時データおよび放
電時データにより補正する充放電経時データ検出手段を
備えたことを特徴とする請求項1、2、3、4、5、
6、7または8に記載の2次電池の充放電サイクル予測
装置。
9. The charging / discharging cycle number predicting / calculating means comprises charging / discharging elapsed time data detecting means for correcting the charging / discharging cycle number of the secondary battery based on charging data and discharging data. 1, 2, 3, 4, 5,
The charge / discharge cycle prediction device for a secondary battery according to 6, 7, or 8.
JP8131751A 1996-05-27 1996-05-27 Device for predicting charge/discharge cycle of secondary battery Pending JPH09318714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8131751A JPH09318714A (en) 1996-05-27 1996-05-27 Device for predicting charge/discharge cycle of secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8131751A JPH09318714A (en) 1996-05-27 1996-05-27 Device for predicting charge/discharge cycle of secondary battery

Publications (1)

Publication Number Publication Date
JPH09318714A true JPH09318714A (en) 1997-12-12

Family

ID=15065345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8131751A Pending JPH09318714A (en) 1996-05-27 1996-05-27 Device for predicting charge/discharge cycle of secondary battery

Country Status (1)

Country Link
JP (1) JPH09318714A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11211802A (en) * 1998-01-20 1999-08-06 Nec Saitama Ltd Battery life predicting device and method
KR20170139968A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery
KR20170139973A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery
KR20170139976A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11211802A (en) * 1998-01-20 1999-08-06 Nec Saitama Ltd Battery life predicting device and method
KR20170139968A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery
KR20170139973A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery
KR20170139976A (en) * 2016-06-10 2017-12-20 주식회사 엘지화학 Apparatus and method for counting a cycle of a battery

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