JP2003068312A - Battery exchange time discrimination method and apparatus - Google Patents
Battery exchange time discrimination method and apparatusInfo
- Publication number
- JP2003068312A JP2003068312A JP2001256866A JP2001256866A JP2003068312A JP 2003068312 A JP2003068312 A JP 2003068312A JP 2001256866 A JP2001256866 A JP 2001256866A JP 2001256866 A JP2001256866 A JP 2001256866A JP 2003068312 A JP2003068312 A JP 2003068312A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- time
- battery replacement
- replacement timing
- voltage
- 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.)
- Granted
Links
Classifications
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- Y02E60/12—
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電池交換時期判別
方法及び電池交換時期判別装置に係り、特に一次電池を
使用した無線テレメータシステム等の通信手段を備えた
計測システムにおける電池交換時期を判別するための電
池交換時期判別方法及び電池交換時期判別装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery replacement timing determination method and a battery replacement timing determination device, and more particularly to determining battery replacement timing in a measuring system including a communication means such as a wireless telemeter system using a primary battery. The present invention relates to a battery replacement timing determination method and a battery replacement timing determination device.
【０００２】[0002]
【従来の技術】近年、自動販売機、料金検出装置等の販
売量、使用量、料金等のデータ収集に無線通信を利用し
たテレメータが用いられるようになってきた。このよう
なシステムにおいて、テレメータ内には、電気エネルギ
ー供給源として一次電池が用いられている。この一次電
池の交換時期を判別する方法としては従来、電池残量に
基づいて行っていた。すなわち上記一次電池の電池電圧
をアナログ／ディジタル変換器（以下、Ａ／Ｄ変換器と
記す。）によりディジタル情報に変換し、演算器（ＣＰ
Ｕ）でＡ／Ｄ変換器の出力として得られる電池電圧のデ
ータを取り込み、このデータを平均化等の処理をするこ
とにより電池残量を監視し、一次電池の交換時期の判別
をしていた。2. Description of the Related Art In recent years, telemeters using wireless communication have come to be used for collecting data such as sales amount, usage amount, and charges of vending machines, charge detection devices, and the like. In such a system, a primary battery is used as a source of electric energy in the telemeter. Conventionally, the method of determining the replacement time of the primary battery has been performed based on the remaining battery level. That is, the battery voltage of the primary battery is converted into digital information by an analog / digital converter (hereinafter referred to as an A / D converter), and a calculator (CP) is used.
In U), the data of the battery voltage obtained as the output of the A / D converter is taken in, and the remaining amount of the battery is monitored by processing such data as averaging to determine the replacement time of the primary battery. .
【０００３】[0003]
【発明が解決しようとする課題】一次電池は図２に示す
ように放電深度が高くなるにつれて内部抵抗が増加し、
例えば、タイミングｔ0におけるように重負荷時（例え
ば、急激な放電時）に電圧降下が発生する。上記従来例
においては、Ａ／Ｄ変換器及び演算器（ＣＰＵ）を用い
る為、演算器（ＣＰＵ）が最大周波数で動作中となり、
このとき一次電池の電圧降下が一時的に大きくなるが、
このような重負荷となるタイミングｔ0において一次電
池の電池電圧を検出し、その監視を行っていたために、
正確に電池交換時期を判別することができないという問
題があった。As shown in FIG. 2, the internal resistance of the primary battery increases as the depth of discharge increases.
For example, a voltage drop occurs at the time of heavy load (for example, at the time of abrupt discharge) as at the timing t0. In the above conventional example, since the A / D converter and the arithmetic unit (CPU) are used, the arithmetic unit (CPU) is operating at the maximum frequency,
At this time, the voltage drop of the primary battery temporarily increases,
Since the battery voltage of the primary battery is detected and monitored at the timing t0 when such a heavy load occurs,
There is a problem that the battery replacement time cannot be accurately determined.
【０００４】また、電池交換までの期間を長く（例え
ば、１０年）要求されるテレメータにおいては、図６に
示すように一次電圧の電池残量の変化が非常に緩やかな
為、一次電池交換時期の判別に必要な電池電圧をＡ／Ｄ
変換器の精度上、正確に監視することが困難であるとい
う問題があった。In a telemeter that requires a long period (for example, 10 years) until the battery is replaced, as shown in FIG. 6, the change in the remaining battery level of the primary voltage is very gradual. The battery voltage required to determine
There is a problem that it is difficult to monitor accurately due to the accuracy of the converter.
【０００５】本発明はこのような事情に鑑みてなされた
ものであり、負荷やＡ／Ｄ変換器の精度の影響を受ける
ことなく、一次電池交換時期の判別を行うことが可能な
電池交換時期判別装置及び電池交換時期判別方法を提供
することを目的とする。また、本発明は、低消費電力化
を図った電池交換時期判別装置及び電池交換時期判別方
法を提供することを目的とする。The present invention has been made in view of the above circumstances, and it is possible to determine the primary battery replacement timing without being affected by the load and the accuracy of the A / D converter. An object is to provide a discriminating device and a battery replacement timing discriminating method. Another object of the present invention is to provide a battery replacement timing determination device and a battery replacement timing determination method that achieve low power consumption.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載の発明は、一次電池を使用し、かつ
通信手段を備えた計測システムの電池交換時期判別方法
において、前記一次電池の電池電圧と、予め設定された
電池交換時期を示す基準電圧とを比較し、該比較結果に
基づいて前記電池電圧が前記基準電圧より低い状態が所
定の間継続するか否かを監視し、前記電池電圧が前記基
準電圧より低い状態が所定の間継続した場合に電池交換
時期であると判定し、前記監視する手段への電源供給を
停止するように制御することを特徴とする。In order to achieve the above object, the invention according to claim 1 uses a primary battery and is a battery replacement timing determining method for a measuring system equipped with a communication means, wherein the primary battery is used. The battery voltage of the battery is compared with a reference voltage indicating a preset battery replacement time, and based on the comparison result, it is monitored whether the state in which the battery voltage is lower than the reference voltage continues for a predetermined period. When the battery voltage is lower than the reference voltage for a predetermined period of time, it is determined that it is time to replace the battery, and the power supply to the monitoring means is stopped.
【０００７】また、請求項２に記載の発明は、請求項１
に記載の電池交換時期判別方法において、前記監視する
手段への電源供給を停止するように制御する手段が動作
状態となる直前のタイミングで取り込んだ前記比較結果
に基づいて前記電池交換時期であるか否かを判定するこ
とを特徴とする。The invention described in claim 2 is the same as claim 1
In the battery replacement timing determination method described in (1), is it the battery replacement timing based on the comparison result captured at a timing immediately before the means for controlling the power supply to the monitoring means to be in the operating state? It is characterized by determining whether or not.
【０００８】また、請求項３に記載の発明は、請求項１
に記載の電池交換時期判別方法において、電池交換時期
であると判定する毎に、前記監視する手段への電源供給
を停止し、前記電池交換時期であることを示す判定が予
め定めた所定回数以上、行われた場合に電池交換時期で
あることを報知することを特徴とする。The invention described in claim 3 is the same as claim 1
In the battery replacement timing determination method described in (1), each time the battery replacement timing is determined, the power supply to the monitoring unit is stopped, and the determination that the battery replacement timing is reached is determined a predetermined number of times or more. When it is performed, it is informed that it is time to replace the battery.
【０００９】また、請求項４に記載の発明は、一次電池
を使用し、かつ通信手段を備えた計測システムの電池交
換時期判別装置において、前記一次電池の電池電圧と、
予め設定された電池交換時期を示す基準電圧とを比較す
る比較手段と、前記比較結果に基づいて前記電池電圧が
前記基準電圧より低い状態が所定の間継続するか否かを
監視し、前記電池電圧が前記基準電圧より低い状態が所
定の間継続した場合に電池交換時期であると判定する状
態監視手段と、前記状態監視手段が電池交換時期である
と判定した場合に、前記状態監視手段への電源供給を停
止する制御手段とを有することを特徴とする。According to a fourth aspect of the present invention, there is provided a battery replacement timing discriminating device for a measuring system which uses a primary battery and which is provided with a communication means, and a battery voltage of the primary battery,
Comparison means for comparing with a reference voltage indicating a preset battery replacement time, and whether or not the battery voltage is lower than the reference voltage continues for a predetermined time based on the comparison result, and the battery Status monitoring means for determining that it is time to replace the battery when the voltage continues to be lower than the reference voltage for a predetermined period, and to the status monitoring means when the status monitoring means determines that it is time to replace the battery And a control means for stopping the power supply.
【００１０】また、請求項５に記載の発明は、請求項４
に記載の電池交換時期判別装置において、前記状態監視
手段は、前記制御手段が動作状態となる直前のタイミン
グで取り込んだ前記比較手段の比較結果に基づいて前記
電池交換時期であるか否かを判定することを特徴とす
る。The invention described in claim 5 is the same as claim 4
In the battery replacement timing determination device described in (1), the state monitoring means determines whether or not the battery replacement timing is based on a comparison result of the comparison means captured at a timing immediately before the control means is in an operating state. It is characterized by doing.
【００１１】また、請求項６に記載の発明は、請求項４
に記載の電池交換時期判別装置において、前記制御手段
は、前記状態監視手段より電池交換時期であることを示
す判定信号を受信する毎に、前記状態監視手段への電源
供給を停止し、前記電池交換時期であることを示す判定
信号を予め設定された所定回数以上、入力されていない
場合には、再度、前記状態監視手段に電源供給して前記
比較手段の比較結果の監視を行い、前記電池交換時期で
あることを示す判定信号が前記所定回数に達した場合に
電池交換時期である旨、通知することを特徴とする。The invention according to claim 6 is the same as claim 4
In the battery replacement timing determination device described in (1), the control means stops the power supply to the status monitoring means each time it receives a determination signal indicating that it is time to replace the battery from the status monitoring means, If the determination signal indicating that it is time to replace is not input a preset number of times or more, power is supplied to the state monitoring means again to monitor the comparison result of the comparison means, and the battery is replaced. When the determination signal indicating that it is time to replace the battery reaches the predetermined number of times, it is notified that it is time to replace the battery.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施形態について
図面を参照して詳細に説明する。本発明が適用される無
線テレメータ装置の構成を図１に示す。本実施の形態で
は、無線テレメータ装置を一例として示しているが、本
発明をこれらに限定する趣旨ではない。無線テレメータ
装置は、一次電池１０と、電源回路１２と、比較回路１
４と、監視回路１６と、電源供給回路１８と、制御回路
２０と、無線部２２と、外部インタフェース２４とを有
している。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows the configuration of a wireless telemeter device to which the present invention is applied. In the present embodiment, the wireless telemeter device is shown as an example, but the present invention is not limited to these. The wireless telemeter device includes a primary battery 10, a power supply circuit 12, and a comparison circuit 1.
4, a monitoring circuit 16, a power supply circuit 18, a control circuit 20, a wireless unit 22, and an external interface 24.
【００１３】電源回路１２は一次電池１０の電池出力に
基づいて各部に電源供給する。また、比較回路１４は、
一次電池１０の電池電圧と電池交換時期における電池残
量を示す基準電圧とを比較する機能を有する。監視回路
１６は、予め定めた所定の間間隔毎に比較回路１４の出
力を取り込み、監視する機能を有する。電源供給回路１
８は、制御回路２０の制御下に監視回路１６への電源供
給を行い、又は電源供給を停止する機能を有する。制御
回路２０は、各部を制御する。無線部２２は、図２に示
すようにアンテナ１を介してセンタと所定の間間隔で、
通信する機能を有する。本実施の形態において、比較回
路１４は、本発明の比較手段に、監視回路１６は、本発
明の状態監視手段に、制御回路２０は、本発明の制御手
段に、それぞれ相当する。The power supply circuit 12 supplies power to each unit based on the battery output of the primary battery 10. In addition, the comparison circuit 14
It has a function of comparing the battery voltage of the primary battery 10 with a reference voltage indicating the battery remaining amount at the time of battery replacement. The monitoring circuit 16 has a function of taking in and monitoring the output of the comparison circuit 14 at predetermined intervals. Power supply circuit 1
Reference numeral 8 has a function of supplying power to the monitoring circuit 16 or stopping the supply of power to the monitoring circuit 16 under the control of the control circuit 20. The control circuit 20 controls each unit. As shown in FIG. 2, the wireless unit 22 has a predetermined interval from the center via the antenna 1,
It has a communication function. In the present embodiment, the comparison circuit 14 corresponds to the comparison means of the present invention, the monitoring circuit 16 corresponds to the state monitoring means of the present invention, and the control circuit 20 corresponds to the control means of the present invention.
【００１４】次に、図２は図１における回路の動作モー
ド及び負荷状態を示す。同図において、Ｔsは省電力化
の為にスリープしているスリープ時間、Ｔｒはウェイク
アップ状態にある時間を示している。ここで、ウェイク
アップ状態とはＣＰＵが動作する状態、例えば、送受信
時の状態を意味する。また、ｔiは、前記比較回路の比
較結果を予め定めた所定の間間隔毎に算出するタイミン
グである。FIG. 2 shows operation modes and load states of the circuit shown in FIG. In the figure, Ts indicates a sleep time during which the device is sleeping for power saving, and Tr indicates a time in a wakeup state. Here, the wake-up state means a state in which the CPU operates, for example, a state during transmission / reception. Further, ti is a timing at which the comparison result of the comparison circuit is calculated at predetermined intervals.
【００１５】次に、監視回路１６及びその周辺回路の詳
細構成を図３に示す。同図において、監視回路１６はカ
ウンタで構成され、比較回路１４はコンパレータ１４０
と、基準電圧発生回路１４１とで構成されている。基準
電圧発生回路１４１は、一次電池１０の電池交換時期を
示す基準電圧を発生する回路である。Next, a detailed configuration of the monitoring circuit 16 and its peripheral circuits is shown in FIG. In the figure, the monitoring circuit 16 is composed of a counter, and the comparison circuit 14 is a comparator 140.
And a reference voltage generation circuit 141. The reference voltage generation circuit 141 is a circuit that generates a reference voltage indicating the battery replacement timing of the primary battery 10.
【００１６】コンパレータ１４０は、一次電池１０（図
１）の電池電圧ＶBと、基準電圧ＶR EFとを比較し、その
比較結果をカウンタ１６のDATA端子に出力する。カウン
タ１６は、例えば送受信時であるウェイクアップのタイ
ミングｔi（図２）における動作信号をトリガ信号とし
てカウントアップ動作し、DATA端子の入力を監視する。
Ｎ（本実施の形態では例えば、Ｎ＝８）カウントするま
でにDATA端子の入力状態に変化が無い場合にはＮカウン
トした時点で、DATA端子に入力された信号を出力端子か
ら出力するようになっている。Ｎカウントするまでに、
入力状態が変化した場合には、カウンタ１６はリセット
され、カウントアップを開始する。すなわち、カウンタ
１６は、DATA端子の入力状態をカウント毎に所定の間、
監視し、Ｎカウントした場合に電池の交換時期になった
か否かを示す判別信号を制御回路２０に出力する。この
動作タイミングを図４に示す。The comparator 140 compares the battery voltage V B of the primary battery 10 (FIG. 1) with the reference voltage V R EF and outputs the comparison result to the DATA terminal of the counter 16. The counter 16 counts up by using the operation signal at the wake-up timing ti (FIG. 2), which is during transmission and reception, as a trigger signal, and monitors the input to the DATA terminal.
If there is no change in the input state of the DATA terminal before counting N (for example, N = 8 in the present embodiment), the signal input to the DATA terminal is output from the output terminal at the time of counting N. Has become. Before counting N
When the input state changes, the counter 16 is reset and starts counting up. That is, the counter 16 keeps the input state of the DATA terminal for a predetermined period for each count.
A monitoring signal is output to the control circuit 20 which indicates whether or not it is time to replace the battery when N is counted. This operation timing is shown in FIG.
【００１７】上記構成において、一次電池１０の電池電
圧ＶBと予め定めた電池交換時期を示す基準電圧ＶREFと
を比較する比較回路１４は、常に一次電池１０の電池電
圧ＶBの検出、比較を行っている。本実施形態では、一
次電池１０の電池電圧ＶBが電池交換時期を示す基準電
圧ＶREFより高い場合はハイレベル（Ｈｉ）の信号を、
上記基準電圧ＶREFより低い場合はローレベル（Ｌｏ）
の信号を出力する。一次電池１０の電池電圧ＶBが基準
電圧ＶREFより低くなると前記比較回路１４の比較結果
を予め定めた所定の間、監視する監視回路１６としての
カウンタがリセット解除され、計数可能な状態となる
（図４：タイミングｔ1）。In the above configuration, the comparator circuit 14 for comparing the reference voltage V REF indicating the predetermined battery replacement was time the battery voltage V B of the primary battery 10 is always detected in the battery voltage V B of the primary battery 10, compared It is carried out. In the present embodiment, when the battery voltage V B of the primary battery 10 is higher than the reference voltage V REF indicating the battery replacement time, a high level (Hi) signal is output,
Low level (Lo) when lower than the reference voltage V REF
The signal of is output. When the battery voltage V B of the primary battery 10 becomes lower than the reference voltage V REF , the counter as the monitoring circuit 16 for monitoring the comparison result of the comparison circuit 14 is released from the reset state and becomes the countable state. (FIG. 4: timing t1).
【００１８】監視回路１６が計数可能な状態中に図２で
示した省電力化の為にスリープしている時間Ｔsから例
えば、送受信等によりＣＰＵが動作する時間Ｔrへ遷移
するタイミングｔiでトリガ信号が制御回路２０から監
視回路１６に出力され、１回カウントされる。設定され
たカウント回数（Ｎ＝８）に達するまで電池電圧ＶBと
予め定めた電池交換時期を示す基準電圧ＶREFと比較す
る比較回路１４の出力がローレベルを保持していた場合
のみ、監視回路（カウンタ）１６は制御回路２０へ電池
交換時期である旨の判定信号を出力する（図４：タイミ
ングｔ2）。When the monitoring circuit 16 is in the countable state, the trigger signal is generated at the timing ti at which the time Ts during which the CPU sleeps for power saving shown in FIG. Is output from the control circuit 20 to the monitoring circuit 16 and counted once. Only when the output of the comparison circuit 14 that compares the battery voltage VB with the reference voltage V REF indicating the predetermined battery replacement time until the set number of counts (N = 8) is held at the low level, the monitoring circuit The (counter) 16 outputs a determination signal indicating that it is time to replace the battery to the control circuit 20 (FIG. 4: timing t2).
【００１９】次に制御回路の処理内容について図５を参
照して説明する。制御回路２０は監視回路１６からの判
定信号を取り込み、一次電池１０の電池電圧ＶBが基準
電圧ＶREFより低くなったこと示す判定信号を監視回路
１６から受けると（ステップ１００）、電力供給回路１
８を、電源回路１２を介して駆動し、監視回路１６への
電力供給を停止する（ステップ１０２）。Next, the processing contents of the control circuit will be described with reference to FIG. When the control circuit 20 receives the determination signal from the monitoring circuit 16 and receives from the monitoring circuit 16 a determination signal indicating that the battery voltage V B of the primary battery 10 has become lower than the reference voltage V REF (step 100), the power supply circuit 1
8 is driven via the power supply circuit 12, and the power supply to the monitoring circuit 16 is stopped (step 102).
【００２０】次いで、測定回数ｎをカウントアップし、
ｎ＝ｉ（ｉは予め設定した測定回数）であるか否かを判
定する（ステップ１０３）。測定回数ｎがｉ未満である
場合には、監視回路（カウンタ）１６をリセットした
後、電源供給回路１８により監視回路１６を駆動し（ス
テップ１０４）、処理はステップ１００に戻る。このよ
うな処理ステップ（１００〜１０４）を繰り返し、複数
回、電池電圧ＶBが基準電圧ＶREFより低くなったことを
測定する。さらに、ステップ１０３で測定回数ｎがｉ以
上であると判定された場合、すなわち一次電池１０の電
池電圧ＶBが基準電圧ＶREFより低くなったことをｉ回以
上測定した場合に、一次電池１０の電池交換時期がきた
ことを電池交換者へ通知する（ステップ１０５）。Then, the number of measurements n is incremented,
It is determined whether or not n = i (i is a preset number of times of measurement) (step 103). If the number of measurements n is less than i, the monitoring circuit (counter) 16 is reset, and then the monitoring circuit 16 is driven by the power supply circuit 18 (step 104), and the process returns to step 100. Such processing steps (100 to 104) are repeated to measure that the battery voltage V B becomes lower than the reference voltage V REF a plurality of times. Furthermore, when it is determined in step 103 that the number of measurements n is i or more, that is, when the battery voltage V B of the primary battery 10 is lower than the reference voltage V REF is measured i or more times, the primary battery 10 The battery replacement person is notified that the battery replacement time has come (step 105).
【００２１】[0021]
【発明の効果】本発明によれば、一次電池の電池電圧
と、予め設定された電池交換時期における電池残量を示
す基準電圧とを比較し、該比較結果に基づいて前記電池
電圧が前記基準電圧より低い状態が所定の間（Ｎカウン
ト）継続するか否かを監視し、前記電池電圧が前記基準
電圧より低い状態が所定の間継続した場合に電池交換時
期であると判定し、監視する手段への電源供給を停止す
るように制御するので、負荷変動による一時的な電圧降
下要素は排除され、簡易な構成で正確に電池交換時期を
判別することができる。また、電池交換時期であること
を複数回検出した後に電池交換者へ通知することによ
り、電池交換者は的確な電池交換を行うことができる。According to the present invention, the battery voltage of the primary battery is compared with a reference voltage indicating the remaining battery amount at a preset battery replacement time, and the battery voltage is based on the reference result based on the comparison result. It is monitored whether or not the state of being lower than the voltage continues for a predetermined period (N counts), and when the state of the battery voltage being lower than the reference voltage continues for the predetermined period of time, it is determined that it is time to replace the battery, and the state is monitored. Since the power supply to the means is controlled so as to be stopped, a temporary voltage drop element due to load fluctuation is eliminated, and the battery replacement time can be accurately determined with a simple configuration. In addition, the battery replacer can perform accurate battery replacement by notifying the battery replacer after detecting that it is time to replace the battery a plurality of times.
【００２２】また、本発明によれば、前記一次電池の電
池電圧と、予め設定された電池交換時期における電池残
量を示す基準電圧とを比較する比較手段と、前記比較結
果に基づいて前記電池電圧が前記基準電圧より低い状態
が所定の間継続するか否かを監視し、前記電池電圧が前
記基準電圧より低い状態が所定の間継続した場合に電池
交換時期であると判定する状態監視手段と、前記状態監
視手段が電池交換時期であると判定した場合に、前記状
態監視手段への電源供給を停止する制御手段とを有し、
前記状態監視手段は、制御手段（ＣＰＵ）の動作に依存
しないコンパレータやボルテージディテクタを用いるこ
とで、前記制御手段が動作状態となる直前のタイミング
で取り込んだ前記比較手段の比較結果に基づいて前記電
池交換時期であるか否かを判定するようにしたので、ア
ナログ／ディジタル変換器を用いずに、低消費電力化が
図れる。また、電池交換時期判別後は状態監視手段への
電力供給を停止するので、より低消費電力化が図れる。Further, according to the present invention, comparing means for comparing the battery voltage of the primary battery with a reference voltage indicating a battery remaining amount at a preset battery replacement time, and the battery based on the comparison result. A state monitoring unit that monitors whether or not a state in which the voltage is lower than the reference voltage continues for a predetermined period, and determines that it is time to replace the battery when the state in which the battery voltage is lower than the reference voltage continues for a predetermined period. And a control means for stopping the power supply to the state monitoring means when the state monitoring means determines that it is time to replace the battery,
The state monitoring means uses a comparator or a voltage detector that does not depend on the operation of the control means (CPU), so that the battery can be obtained based on the comparison result of the comparison means taken at a timing immediately before the control means enters the operating state. Since it is determined whether or not it is time to replace the battery, it is possible to reduce power consumption without using an analog / digital converter. Further, since the power supply to the state monitoring means is stopped after the battery replacement timing is determined, the power consumption can be further reduced.
【図１】 本発明が適用される無線テレメータ装置の構
成を示すブロック図。FIG. 1 is a block diagram showing a configuration of a wireless telemeter device to which the present invention is applied.
【図２】 図１に示した無線テレメータ装置の動作モー
ド及び負荷状態を示すタイミングチャート。FIG. 2 is a timing chart showing operation modes and load states of the wireless telemeter device shown in FIG.
【図３】 図１における監視回路及びその周辺回路の詳
細構成を示すブロック図。3 is a block diagram showing a detailed configuration of a monitoring circuit and its peripheral circuits in FIG.
【図４】 図３に示す監視回路の動作を示すタイミング
チャート。FIG. 4 is a timing chart showing the operation of the monitoring circuit shown in FIG.
【図５】 図１における制御 回路の処理内容を示すフ
ローチャート。5 is a flowchart showing the processing contents of the control circuit in FIG.
【図６】 一次電池における負荷と電池電圧との関係を
示す特性図。FIG. 6 is a characteristic diagram showing a relationship between a load and a battery voltage in a primary battery.
１０ 一次電池 １２ 電源回路 １４ 比較回路 １６ 監視回路 １８ 電源供給回路 ２０ 制御回路 ２２ 無線部 ２４ 外部インターフェース 10 Primary battery 12 power supply circuit 14 Comparison circuit 16 Monitoring circuit 18 Power supply circuit 20 Control circuit 22 Radio 24 External interface
Claims (6)
た計測システムの電池交換時期判別方法において、 前記一次電池の電池電圧と、予め設定された電池交換時
期を示す基準電圧とを比較し、該比較結果に基づいて前
記電池電圧が前記基準電圧より低い状態が所定の間継続
するか否かを監視し、前記電池電圧が前記基準電圧より
低い状態が所定の間継続した場合に電池交換時期である
と判定し、前記監視する手段への電源供給を停止するよ
うに制御することを特徴とする電池交換時期判別方法。1. A battery replacement timing determination method for a measuring system using a primary battery and having a communication means, wherein a battery voltage of the primary battery is compared with a preset reference voltage indicating a battery replacement timing. Monitoring whether or not the state in which the battery voltage is lower than the reference voltage continues for a predetermined period based on the comparison result, and replaces the battery when the state in which the battery voltage is lower than the reference voltage continues for a predetermined period. A battery replacement timing determination method, characterized in that it is determined that it is time, and control is performed so that power supply to the monitoring means is stopped.
るように制御する手段が動作状態となる直前のタイミン
グで取り込んだ前記比較結果に基づいて前記電池交換時
期であるか否かを判定することを特徴とする請求項１に
記載の電池交換時期判別方法。2. It is determined whether or not it is the battery replacement time based on the comparison result captured at a timing immediately before the means for controlling the power supply to the means for monitoring to stop the power supply. The battery replacement timing determination method according to claim 1, wherein
記監視する手段への電源供給を停止し、前記電池交換時
期であることを示す判定が予め定めた所定回数以上、行
われた場合に電池交換時期であることを報知することを
特徴とする請求項１に記載の電池交換時期判別方法。3. Whenever it is determined that it is time to replace the battery, the power supply to the monitoring means is stopped, and the determination indicating that the time to replace the battery is made a predetermined number of times or more. The battery replacement timing determination method according to claim 1, wherein the battery replacement timing is notified to the user.
た計測システムの電池交換時期判別装置において、 前記一次電池の電池電圧と、予め設定された電池交換時
期を示す基準電圧とを比較する比較手段と、 前記比較結果に基づいて前記電池電圧が前記基準電圧よ
り低い状態が所定の間継続するか否かを監視し、前記電
池電圧が前記基準電圧より低い状態が所定の間継続した
場合に電池交換時期であると判定する状態監視手段と、 前記状態監視手段が電池交換時期であると判定した場合
に、前記状態監視手段への電源供給を停止する制御手段
とを有することを特徴とする電池交換時期判別装置。4. A battery replacement timing determination device for a measurement system that uses a primary battery and is provided with a communication means, for comparing a battery voltage of the primary battery with a preset reference voltage indicating a battery replacement timing. Comparing means, monitoring whether the battery voltage lower than the reference voltage continues for a predetermined time based on the comparison result, if the battery voltage lower than the reference voltage continues for a predetermined time And a control means for stopping power supply to the state monitoring means when the state monitoring means determines that it is time to replace the battery. Battery replacement timing determination device.
作状態となる直前のタイミングで取り込んだ前記比較手
段の比較結果に基づいて前記電池交換時期であるか否か
を判定することを特徴とする請求項４に記載の電池交換
時期判別装置。5. The state monitoring means determines whether or not it is the battery replacement time based on a comparison result of the comparison means taken in at a timing immediately before the control means is brought into an operating state. The battery replacement timing determination device according to claim 4.
電池交換時期であることを示す判定信号を受信する毎
に、前記状態監視手段への電源供給を停止し、前記電池
交換時期であることを示す判定信号を予め設定された所
定回数以上、入力されていない場合には、再度、前記状
態監視手段に電源供給して前記比較手段の比較結果の監
視を行い、前記電池交換時期であることを示す判定信号
が前記所定回数に達した場合に電池交換時期である旨、
通知することを特徴とする請求項４に記載の電池交換時
期判別装置。6. The control means stops power supply to the state monitoring means each time it receives a determination signal from the state monitoring means indicating that it is time to replace the battery, and the battery replacement timing is reached. If the determination signal indicating is not input for a predetermined number of times or more, the power is supplied to the state monitoring means again to monitor the comparison result of the comparing means, and it is the battery replacement time. That the battery replacement time is reached when the determination signal indicating
The battery replacement timing determination device according to claim 4 , wherein the notification is made.
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|---|---|---|---|
| JP2001256866A JP4932099B2 (en) | 2001-08-27 | 2001-08-27 | Battery replacement time determination method and battery replacement time determination device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001256866A JP4932099B2 (en) | 2001-08-27 | 2001-08-27 | Battery replacement time determination method and battery replacement time determination device |
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| Publication Number | Publication Date |
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| JP2003068312A true JP2003068312A (en) | 2003-03-07 |
| JP4932099B2 JP4932099B2 (en) | 2012-05-16 |
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|---|---|---|---|
| JP2001256866A Expired - Fee Related JP4932099B2 (en) | 2001-08-27 | 2001-08-27 | Battery replacement time determination method and battery replacement time determination device |
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