JPH06121466A - Charging method for object to be charged - Google Patents
Charging method for object to be chargedInfo
- Publication number
- JPH06121466A JPH06121466A JP29082592A JP29082592A JPH06121466A JP H06121466 A JPH06121466 A JP H06121466A JP 29082592 A JP29082592 A JP 29082592A JP 29082592 A JP29082592 A JP 29082592A JP H06121466 A JPH06121466 A JP H06121466A
- Authority
- JP
- Japan
- Prior art keywords
- voltage value
- charger
- charged
- rechargeable battery
- 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
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ニッケル・カドニウ
ム等の充電池を備えた被充電物の充電方法に係り、特に
充電池の現在の電圧値に合せて最適な時間だけ充電動作
を行うことができる被充電物の充電方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for charging an object to be charged, which is equipped with a rechargeable battery such as nickel and cadmium, and in particular, performs a charging operation for an optimum time in accordance with the current voltage value of the rechargeable battery. The present invention relates to a method of charging an object to be charged which is capable of charging.
【０００２】[0002]
【従来の技術】例えば、コードレス電話器等にあって
は、普段使用しないときにこの電話器本体を充電器の所
定位置にセットすると、電源との間が導通して給電さ
れ、自動的に充電を行うことができるものが開発されて
いる。ところで、このようなタイプの電話器やバーコー
ドシンボル読取用ハンディターミナル等（以下これを被
充電物とよぶ）では、一般に充電器へ被充電物がセット
してあるか否かによって充電動作のオン・オフを行った
り、タイマにーよって自動的に充電動作が切れるように
構成したものが知られている。2. Description of the Related Art For example, in a cordless telephone or the like, when the telephone body is set to a predetermined position of a charger when it is not normally used, it is electrically connected to a power source and automatically charged. Have been developed that can do. By the way, in such types of telephones, handy terminals for reading barcode symbols, etc. (hereinafter referred to as "charged objects"), the charging operation is generally turned on depending on whether or not the charged object is set in the charger. -It is known that the power is turned off or the charging operation is automatically stopped by a timer.
【０００３】[0003]
【発明が解決しようとする課題】ところが、前者のよう
な構成のものでは、特に例えばコードレス電話器では電
話の使用回数が少ない場合、一日中殆ど充電動作が行な
われ続けてしまい、極端な過充電のため充電池が損傷し
たり、異常に過熱する等の虞れがある。また、後者のよ
うな構成のものでは、タイマーによってある程度充電時
間が制限されるため、極端な過充電は避けられるもの
の、使用状態によってはある程度の過充電の可能性もあ
り、充電池の劣化等を招く場合がある。そこで、この発
明は、上記した欠点に鑑み、過充電による充電池の劣化
や損傷・発熱等の虞れのない、安全性の高い充電方法を
提供することを目的とするものである。However, in the case of the former configuration, particularly in the case of a cordless telephone, for example, when the number of times of use of the telephone is small, the charging operation is continued almost all day long, which causes an excessive overcharge. As a result, the rechargeable battery may be damaged or abnormally overheated. Also, in the latter configuration, the charging time is limited to some extent by the timer, so extreme overcharging can be avoided, but there is a possibility of overcharging to some extent depending on the usage condition, deterioration of the rechargeable battery, etc. May be invited. Therefore, in view of the above-mentioned drawbacks, an object of the present invention is to provide a highly safe charging method in which there is no fear of deterioration, damage, heat generation or the like of a rechargeable battery due to overcharge.
【０００４】[0004]
【課題を解決するための手段】即ち、この発明の被充電
物の充電方法は、ニッケル・カドニウム等の充電池を備
えた被充電物を、給電手段と導通した充電器の所定位置
にセットすると、前記充電池の現在電圧値を前記被充電
物が検出し、この検出した電圧値若しくはこの電圧値に
対応した充電時間についての情報を前記被充電物から充
電器へ送り出し、前記情報を受けた充電器内の前記給電
手段と充電池との間の回路を一定値に電流制御された状
態で導通して現在電圧値に対応した充電時間だけ充電池
の充電動作を行うものである。That is, according to the method of charging an object to be charged of the present invention, an object to be charged including a rechargeable battery such as nickel and cadmium is set at a predetermined position of a charger which is electrically connected to the power feeding means. , The current voltage value of the rechargeable battery is detected by the object to be charged, and the information about the detected voltage value or the charging time corresponding to this voltage value is sent from the object to be charged to the charger, and the information is received. The circuit between the power feeding means in the charger and the rechargeable battery is conducted in a state where the current is controlled to a constant value, and the rechargeable battery is charged for a charging time corresponding to the current voltage value.
【０００５】[0005]
【作用】この発明では、被充電物の充電池の現在の電圧
値（以下現在電圧値とよぶ）を検出してその現在電圧値
若しくはその現在電圧値に対応した充電時間についての
情報が充電器へ送り出され、その情報を受けた充電器
が、給電手段と充電池との間の回路をその充電時間だけ
一定電流値に制御した状態で閉じる。これにより、適正
な充電時間だけ自動的に充電動作が行なわれる。According to the present invention, the current voltage value of the rechargeable battery to be charged (hereinafter referred to as the current voltage value) is detected, and the current voltage value or the information about the charging time corresponding to the current voltage value is displayed. The charger, which has been sent out to and receives the information, closes the circuit between the power supply means and the rechargeable battery while controlling the circuit at a constant current value for the charging time. As a result, the charging operation is automatically performed for the appropriate charging time.
【０００６】[0006]
【実施例】以下この発明の一実施例について添付図面を
参照しながら説明する。図１はこの発明に係る充電方法
が適用される充電装置を示すものであり、この充電装置
は、本体（被充電物）１に、充電池２とＡ／Ｄ変換部３
と制御部（Ｃ．Ｐ．Ｕ）４と、通信制御部５とを備える
と共に、充電器６に、本体検出手段７と、制御部（Ｃ．
Ｐ．Ｕ）８と、通信制御部９と、充電回路部１０と、電
源１１とを備えている。本体１は、この実施例ではバー
コードリーダのポータブルターミナルに適用されている
が、これ以外に例えばコードレスの電話器等への適用も
可能である。充電池２は、ニッケル・カドニウム（Ｎｉ
−Ｃｄ）電池が使用されているが、特にこれに限定され
るものではなく、例えばニッケル・水素（Ｎｉ−Ｈ2 ）
電池等、その他各種のものが適用可能である。Ａ／Ｄ変
換部３は、充電池２の現在電圧値（ＶP ）をデジタル値
に変換させるものであり、入力が充電池２に接続されて
いると共に出力が制御部４の入力に接続されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a charging device to which the charging method according to the present invention is applied. This charging device includes a main body (object to be charged) 1, a rechargeable battery 2 and an A / D conversion unit 3.
And a control unit (C.P.U.) 4 and a communication control unit 5. The charger 6 includes a main body detection means 7, and a control unit (C.P.U.).
P. U) 8, a communication control unit 9, a charging circuit unit 10, and a power supply 11. The main body 1 is applied to a portable terminal of a bar code reader in this embodiment, but it can be applied to, for example, a cordless telephone or the like. The rechargeable battery 2 is a nickel-cadmium (Ni
-Cd) While the battery is being used, there is no particular limitation, for example, nickel-hydrogen (Ni-H 2)
Various other things such as batteries can be applied. The A / D conversion unit 3 is for converting the current voltage value (V P ) of the rechargeable battery 2 into a digital value. The input is connected to the rechargeable battery 2 and the output is connected to the input of the control unit 4. ing.
【０００７】制御部（Ｃ．Ｐ．Ｕ）４は、本体１が後に
説明する正置状態である場合、これを検出した充電器６
から送出される正置検出の情報を受け取ると、現在電圧
値についての情報（デジタル）信号を通信制御部５へ出
力するようになっており、通信制御部５と接続されてい
る。なお、この実施例の制御部では現在電圧値を情報と
して送り出すようになっているが、この現在電圧値に対
応して一義的に決定される充電時間を演算し、この充電
時間を情報として出力するように構成してもよい。通信
制御部５は、主送信部を構成しており、制御部４から出
力される現在電圧値についての情報信号を入力すると、
所定波長の光信号（この実施例では９４０ｎｍの赤外
光）を出射させる発光ダイオード（ＬＥＤ）が使用され
ている。また、この通信制御部５は、充電器６から出射
される正置検出情報についての光信号を入力すると、本
体１が現在充電可能状態にセットされてあること、つま
り正置状態であることを検出し、先に説明した現在電圧
値についての情報を直ちに充電器６の通信制御部９へ向
けて光信号として出力するため、フォトセンサも備えて
いる。When the main body 1 is in the normal position described later, the control unit (CPU) 4 detects the charger 6 which detects this.
When the information of the positive position detection sent from the device is received, the information (digital) signal about the current voltage value is output to the communication control unit 5 and is connected to the communication control unit 5. Although the control unit of this embodiment sends the current voltage value as information, it calculates the charging time that is uniquely determined corresponding to this current voltage value and outputs this charging time as information. It may be configured to do so. The communication control unit 5 constitutes a main transmission unit, and when the information signal about the current voltage value output from the control unit 4 is input,
A light emitting diode (LED) that emits an optical signal of a predetermined wavelength (in this embodiment, infrared light of 940 nm) is used. Further, when the communication control unit 5 receives the optical signal regarding the normal position detection information emitted from the charger 6, it confirms that the main body 1 is currently set to the chargeable state, that is, the normal position. A photo sensor is also provided in order to detect and immediately output the information about the current voltage value described above to the communication control unit 9 of the charger 6 as an optical signal.
【０００８】本体検出手段７は、充電器６のハウジング
に設けた所定の搭載部に本体１が正しくセットされる
と、つまり充電回路１０を介して電源１１と接続される
電極６Ａに、本体１の充電池２と接続された端子１Ａが
物理的に正しい接触状態（これを正置状態とよぶ）であ
ると、これを検出して検出信号を制御部８へ出力するよ
うになっている。この実施例の本体検出手段７は、本体
１の自重によって降下して正置状態にあるときに光学的
にこれを検出するように構成されている。The main body detecting means 7 is connected to the electrode 6A which is connected to the power source 11 through the charging circuit 10 when the main body 1 is correctly set on a predetermined mounting portion provided in the housing of the charger 6, that is, the main body 1 When the terminal 1A connected to the rechargeable battery 2 is in a physically correct contact state (this is called an upright state), this is detected and a detection signal is output to the control unit 8. The main body detection means 7 of this embodiment is configured to optically detect when the main body 1 descends due to its own weight and is in a normal position.
【０００９】制御部８は、本体検出手段７からの検出信
号を入力すると、通信制御部９から正置検出との情報を
光信号として出射させるため、通信制御部９へ制御信号
を出力するようになっている。また、この制御部８は、
本体１から送出される光信号により通信制御部９を介し
て得られる現在電圧値情報に基づき、適正な充電時間を
演算し、充電回路１０へ制御信号として出力して電源１
１と電極６Ａとの間の回路を閉じる（導通させる）よう
に構成されている。通信制御部９は、主受信部を構成し
ているが本体１の通信制御部５と同様の構成となってい
る。充電回路１０は、本体１が正置状態になったときに
制御部８から出力される制御信号により作動し、電源１
１から電極６Ａ，端子２Ａを介して充電池２に流すべ
く、これら電源１１と電極６Ａとの間の回路を閉じるよ
うになっている。また、この充電回路１０は、充電池２
の充電のため電源１１と電極６Ａとの間の回路を閉鎖す
る際に、適格な所定の一定電流を流して充電池の保護を
図るようになっており、定電流回路としても機能するよ
うになっている。When the detection signal from the main body detection means 7 is input, the control unit 8 outputs the control signal to the communication control unit 9 in order to cause the communication control unit 9 to emit the information indicating the normal position detection as an optical signal. It has become. Further, the control unit 8
Based on the current voltage value information obtained via the communication control unit 9 by the optical signal sent from the main body 1, an appropriate charging time is calculated and output as a control signal to the charging circuit 10 to supply the power.
The circuit between 1 and the electrode 6A is configured to be closed (conducted). The communication control unit 9 constitutes the main receiving unit, but has the same configuration as the communication control unit 5 of the main body 1. The charging circuit 10 operates according to a control signal output from the control unit 8 when the main body 1 is in the normal position, and the power supply 1
The circuit between the power source 11 and the electrode 6A is closed so that the rechargeable battery 2 can flow from 1 through the electrode 6A and the terminal 2A. In addition, the charging circuit 10 includes a rechargeable battery 2
When the circuit between the power source 11 and the electrode 6A is closed for charging the battery, a suitable predetermined constant current is passed to protect the rechargeable battery, and it also functions as a constant current circuit. Has become.
【００１０】次にこの実施例に係る充電装置を用いて実
際に充電を行う場合の充電方法について図２を参照しな
がら説明する。 （Ｉ）本体１を充電器２の所定位置にセットして正置さ
せる（第１ステップＳ１）。 （II）すると、本体検出手段７が本体１の正置状態を検
出して検出信号を制御部８へ出力すると共に、制御部８
から制御信号が出力され、通信制御部９が正置検出を伝
える光信号を出射する（第２ステップＳ２）。 （III)この光信号を入力した通信制御部５は、検出信号
を制御部４へ出力する。これにより、制御部４は、充電
池２の現在電圧値（ＶP ）を検出する（第３ステップＳ
３）。 （IV）検出した現在電圧値（ＶP ）に対応するデジタル
情報信号を制御部４から通信制御部５へ出力し、所定の
光信号を出射する（第４ステップＳ４）。 （Ｖ）この情報、つまり現在電圧値（ＶP ）についての
情報を受け取った充電器６が、その現在電圧値（ＶP ）
に対応した充電時間を演算し、その充電時間だけ制御信
号を充電回路部１０へ出力する。これにより、その充電
時間だけ電源１１と電極６Ａとの間の回路が閉じ、その
電源１１と充電池２の端子２Ａとの間が導通されて充電
動作が行なわれる（第５ステップＳ５）。 （VI）充電時間が終了すると、電源１１と電極６Ａとの
間の回路が開き、充電動作が自動的に停止する（第６ス
テップＳ６）。Next, a charging method in the case of actually charging using the charging device according to this embodiment will be described with reference to FIG. (I) The main body 1 is set at a predetermined position of the charger 2 and placed in the right position (first step S1). (II) Then, the main body detection means 7 detects the normal state of the main body 1 and outputs a detection signal to the control section 8 and at the same time, the control section 8
A control signal is output from the communication control unit 9, and the communication control unit 9 emits an optical signal that conveys the normal position detection (second step S2). (III) The communication control unit 5 that receives this optical signal outputs a detection signal to the control unit 4. As a result, the control unit 4 detects the current voltage value (V P ) of the rechargeable battery 2 (third step S
3). (IV) A digital information signal corresponding to the detected current voltage value ( VP ) is output from the control unit 4 to the communication control unit 5 and a predetermined optical signal is emitted (fourth step S4). (V) The charger 6 which has received this information, that is, the information about the current voltage value ( VP ), receives the current voltage value ( VP ).
The charging time corresponding to is calculated, and the control signal is output to the charging circuit unit 10 for the charging time. As a result, the circuit between the power source 11 and the electrode 6A is closed for the charging time, the power source 11 and the terminal 2A of the rechargeable battery 2 are electrically connected, and the charging operation is performed (fifth step S5). (VI) When the charging time ends, the circuit between the power supply 11 and the electrode 6A opens, and the charging operation automatically stops (sixth step S6).
【００１１】[0011]
【発明の効果】以上説明してきたように、この発明によ
れば、被充電物が充電器に正置されると、この正置状態
を検出して充電池の現在電圧値を被充電物が検出し、そ
の現在電圧値若しくはその電圧値に対応した充電時間に
ついての情報を充電器へ送り出し、その情報を受けた充
電器が給電手段と充電池との間の回路を閉じ、その充電
時間だけ一定値の電流が流れるようになっている。従っ
て、この発明によれば適正な電流値で一定の充電時間だ
け充電動作が正確に、かつ、自動的に行なわれるので、
過充電による各種のトラブルが防止でき、尚かつ充電池
の寿命が延び極めて安全性の高い充電方法が提供でき
る。As described above, according to the present invention, when the object to be charged is placed normally in the charger, the current state of the rechargeable battery is detected by the object to be charged by detecting the normal state. Detects and sends the current voltage value or information about the charging time corresponding to that voltage value to the charger, and the charger receiving the information closes the circuit between the power feeding means and the rechargeable battery, and only that charging time A constant current flows. Therefore, according to the present invention, the charging operation is accurately and automatically performed for a certain charging time at an appropriate current value.
Various troubles due to overcharging can be prevented, and the life of the rechargeable battery can be extended to provide a highly safe charging method.
【図１】この発明が適用される充電装置を示す構成ブロ
ック図。FIG. 1 is a configuration block diagram showing a charging device to which the present invention is applied.
【図２】この発明の充電方法を示すフローチャート。FIG. 2 is a flowchart showing a charging method of the present invention.
１ 本体（被充電物） ２ 充電池 ５，９ 通信制御部 ６ 充電器 ７ 本体検出手段 １１ 電源（給電手段） 1 main body (object to be charged) 2 rechargeable battery 5, 9 communication control unit 6 charger 7 main body detection means 11 power supply (power supply means)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 花島 由郎 大阪府門真市松葉町２番７号 松下ＦＡエ ンジニアリング株式会社内 (72)発明者 宮村 幸春 大阪府門真市松葉町２番７号 松下ＦＡエ ンジニアリング株式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Yuro Hanashima, Inventor 2-7 Matsubacho, Kadoma City, Osaka Prefecture Matsushita FA Engineering Co., Ltd. (72) Inventor, Koharu Miyamura 2-7, Matsubacho, Kadoma City, Osaka Prefecture Matsushita Within FA Engineering Co., Ltd.
Claims (1)
た被充電物を給電手段と導通した充電器の所定位置にセ
ットすると前記充電池の現在電圧値を前記被充電物が検
出し、 この検出した電圧値若しくはこの電圧値に対応した充電
時間についての情報を前記被充電物から充電器へ送り出
し、 前記情報を受けた充電器内の前記給電手段と充電池との
間の回路を一定値に電流制御された状態で導通して現在
電圧値に対応した充電時間だけ充電池の充電動作を行う
ことを特徴とした被充電物の充電方法。1. When an object to be charged, which is equipped with a rechargeable battery such as nickel and cadmium, is set at a predetermined position of a charger which is electrically connected to a power supply means, the current voltage value of the rechargeable battery is detected by the object to be charged, and this detection is performed. The voltage value or the information about the charging time corresponding to this voltage value is sent from the object to be charged to the charger, and the circuit between the power supply means and the rechargeable battery in the charger receiving the information is set to a constant value. A method of charging an object to be charged, which is characterized in that the rechargeable battery is charged for a charging time corresponding to a current voltage value by conducting in a current controlled state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29082592A JPH06121466A (en) | 1992-10-05 | 1992-10-05 | Charging method for object to be charged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29082592A JPH06121466A (en) | 1992-10-05 | 1992-10-05 | Charging method for object to be charged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06121466A true JPH06121466A (en) | 1994-04-28 |
Family
ID=17760976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29082592A Pending JPH06121466A (en) | 1992-10-05 | 1992-10-05 | Charging method for object to be charged |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06121466A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10215523A (en) * | 1997-01-29 | 1998-08-11 | Nec Yonezawa Ltd | Charger capable of charging various kinds of battery packs and charging system thereof |
| WO2001052342A1 (en) * | 2000-01-12 | 2001-07-19 | Matsushita Electric Industrial Co., Ltd. | Battery pack |
| JP2007215251A (en) * | 2006-02-07 | 2007-08-23 | Lenovo Singapore Pte Ltd | Charging system for storage battery and charging method |
| JP2011014126A (en) * | 2009-06-02 | 2011-01-20 | Onkyo Corp | State discriminant apparatus |
| JP2013009574A (en) * | 2011-06-22 | 2013-01-10 | Csr Inc | Charging type electric/electronic system |
| JP2015035886A (en) * | 2013-08-08 | 2015-02-19 | 東芝テック株式会社 | Charge controller and program |
| JP2020049775A (en) * | 2018-09-26 | 2020-04-02 | ブラザー工業株式会社 | Printer |
-
1992
- 1992-10-05 JP JP29082592A patent/JPH06121466A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10215523A (en) * | 1997-01-29 | 1998-08-11 | Nec Yonezawa Ltd | Charger capable of charging various kinds of battery packs and charging system thereof |
| WO2001052342A1 (en) * | 2000-01-12 | 2001-07-19 | Matsushita Electric Industrial Co., Ltd. | Battery pack |
| US6771491B2 (en) | 2000-01-12 | 2004-08-03 | Matsushita Electric Industrial Co., Ltd. | Battery pack |
| JP2007215251A (en) * | 2006-02-07 | 2007-08-23 | Lenovo Singapore Pte Ltd | Charging system for storage battery and charging method |
| US7714533B2 (en) | 2006-02-07 | 2010-05-11 | Lenovo (Singapore) Pte. Ltd. | Battery charging system and method |
| JP2011014126A (en) * | 2009-06-02 | 2011-01-20 | Onkyo Corp | State discriminant apparatus |
| JP2013009574A (en) * | 2011-06-22 | 2013-01-10 | Csr Inc | Charging type electric/electronic system |
| JP2015035886A (en) * | 2013-08-08 | 2015-02-19 | 東芝テック株式会社 | Charge controller and program |
| JP2020049775A (en) * | 2018-09-26 | 2020-04-02 | ブラザー工業株式会社 | Printer |
| US11362533B2 (en) | 2018-09-26 | 2022-06-14 | Brother Kogyo Kabushiki Kaisha | Printing apparatus |
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