JP2000293241A - Device and method for supplying voltage - Google Patents
Device and method for supplying voltageInfo
- Publication number
- JP2000293241A JP2000293241A JP11102905A JP10290599A JP2000293241A JP 2000293241 A JP2000293241 A JP 2000293241A JP 11102905 A JP11102905 A JP 11102905A JP 10290599 A JP10290599 A JP 10290599A JP 2000293241 A JP2000293241 A JP 2000293241A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- value
- output voltage
- load
- 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
Classifications
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Control Of Voltage And Current In General (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電池の電圧を負荷
へ供給する電圧供給装置および電圧供方法に関し、特
に、環境の温度変化にかかわらず安定した電圧を供給で
きるようにした電圧供給装置および電圧供方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voltage supply device and a voltage supply method for supplying a voltage of a battery to a load, and more particularly to a voltage supply device capable of supplying a stable voltage irrespective of environmental temperature changes. It relates to a voltage supply method.
【０００２】[0002]
【従来の技術】交通事故発生時に、事故車両に搭載され
ている緊急通報装置から自動的に緊急センタへ車両緊急
情報を通報する車両緊急通報システムが提案されてい
る。このシステムでは、車両の衝突などの事故発生時
に、事故車両に搭載されている緊急通報装置から自動的
に緊急センタへ公衆携帯電話網により、事故車両の位置
データなどの車両緊急情報を通報する。車両緊急情報を
通報された緊急センタでは、事故車両の搭乗者と通話を
行って事故状況を把握した後、事故車両の位置や事故の
状況などを警察署や消防署などの緊急通報先へ公衆電話
回線網などにより通報する。そして、通報を受けた緊急
通報先は専用の無線などを用いて緊急車両を事故現場ヘ
急行させる。このシステムにより、人通りの少ない場所
や夜間に交通事故が発生し、事故車両の搭乗者が緊急通
報先ヘ連絡できない状況であっても、緊急車両を手配す
ることが可能となる。2. Description of the Related Art In the event of a traffic accident, a vehicle emergency notification system has been proposed in which an emergency notification device mounted on an accident vehicle automatically reports vehicle emergency information to an emergency center. In this system, when an accident such as a vehicle collision occurs, an emergency notification device mounted on the accident vehicle automatically reports vehicle emergency information such as position data of the accident vehicle to the emergency center via a public mobile telephone network. The emergency center, which was notified of vehicle emergency information, communicated with the passengers of the accident vehicle to understand the accident situation, and then reported the location of the accident vehicle and the situation of the accident to the emergency call destination such as a police station or fire department by public telephone. Notify via a network or the like. Then, the emergency report destination that has received the report makes the emergency vehicle rush to the accident site using a dedicated radio or the like. This system makes it possible to arrange an emergency vehicle even when a traffic accident occurs in a place with little traffic or at night and the passenger of the accident vehicle cannot contact the emergency report destination.
【０００３】[0003]
【発明が解決しようとする課題】この車両緊急通報シス
テムにおいて、車両に搭載されている緊急通報装置の電
源は、事故発生時においても確実に電源を供給すること
が必須であるため、車両のバッテリーとは別の独立した
直流電源を用いることが必要となる。しかしながら、通
常の電池を用いるだけでは、周囲の温度変動により出力
電圧が大きく変動してしまい、緊急通報装置に対して適
正な作動電圧を供給できなくなるおそれがある。In this vehicle emergency notification system, it is essential that the power supply of the emergency notification device mounted on the vehicle be reliably supplied even in the event of an accident. It is necessary to use a separate DC power supply. However, if only a normal battery is used, the output voltage may fluctuate greatly due to ambient temperature fluctuations, and it may be impossible to supply an appropriate operating voltage to the emergency notification device.
【０００４】そこで、本発明は、環境の温度変化にかか
わらず安定した電圧を供給できるようにした電圧供給装
置および電圧供方法を提供するものである。Accordingly, the present invention provides a voltage supply device and a voltage supply method capable of supplying a stable voltage irrespective of environmental temperature changes.
【０００５】[0005]
【課題を解決するための手段】本発明では、上記の課題
を解決するために、電源となる電池の出力電圧を負荷に
供給する電源供給装置に、電池の出力電圧を監視する電
圧監視手段と、電池の出力電圧を降圧する降圧手段とを
設け、電圧監視手段が所定の値以上の電圧を検出してい
るときに降圧手段を作動させる構成とした。このように
構成したことにより、温度上昇などによって電池の出力
電圧が所定の値以上になったとしても、負荷に供給する
電圧を所定の値以下に抑えることができる。According to the present invention, in order to solve the above-mentioned problems, a voltage supply means for monitoring an output voltage of a battery is provided in a power supply device for supplying an output voltage of a battery as a power supply to a load. And a step-down unit for stepping down the output voltage of the battery, and operating the step-down unit when the voltage monitoring unit detects a voltage equal to or higher than a predetermined value. With this configuration, even if the output voltage of the battery becomes equal to or higher than a predetermined value due to a temperature rise or the like, the voltage supplied to the load can be suppressed to a predetermined value or lower.
【０００６】また、電源となる電池の出力電圧を負荷に
供給する電源供給装置に、電池の出力電圧を監視する電
圧監視手段と、前記電池の出力電圧を降圧する降圧手段
と、前記電池の出力電圧を昇圧する昇圧手段とを設け、
前記電圧監視手段が所定の第１の値以上の電圧を検出し
ているときに前記降圧手段を作動させ、前記電圧監視手
段が所定の第２の値（ただし、第２の値＜第１の値）以
下の電圧を検出しているときに前記昇圧手段を作動させ
る構成とした。このように構成したことにより、温度変
動などによって電池の出力電圧値が第１の値から第２の
値の間の範囲外になったとしても、負荷に供給する電圧
値を前記範囲内に抑えることができる。A power supply for supplying an output voltage of a battery serving as a power supply to a load includes a voltage monitoring means for monitoring the output voltage of the battery, a voltage reducing means for decreasing the output voltage of the battery, and an output of the battery. And a booster for boosting the voltage.
When the voltage monitoring means detects a voltage equal to or higher than a predetermined first value, the voltage step-down means is operated, and the voltage monitoring means operates at a predetermined second value (where the second value <the first value). (Value) When the following voltage is detected, the booster is operated. With this configuration, even if the output voltage value of the battery is out of the range between the first value and the second value due to temperature fluctuation or the like, the voltage value supplied to the load is kept within the range. be able to.
【０００７】[0007]
【発明の実施の形態】本発明の請求項１に記載した発明
は、電源となる電池と、前記電池の出力電圧を監視する
電圧監視手段と、前記電池の出力電圧を降圧する降圧手
段とを備え、前記電圧監視手段が所定の値以上の電圧を
検出しているときに前記降圧手段を作動させる電圧供給
装置であり、電圧監視手段が所定の値以上の電圧を検出
しているときに電池の出力電圧を降圧手段で降圧して負
荷に供給するという作用を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention described in claim 1 of the present invention comprises a battery serving as a power supply, a voltage monitoring means for monitoring the output voltage of the battery, and a step-down means for reducing the output voltage of the battery. A voltage supply device for operating the step-down unit when the voltage monitoring unit detects a voltage equal to or higher than a predetermined value, and a battery when the voltage monitoring unit detects a voltage equal to or higher than the predetermined value. Has a function of stepping down the output voltage of the first step by the step-down means and supplying it to the load.
【０００８】本発明の請求項２に記載した発明は、電源
となる電池と、前記電池の出力電圧を監視する電圧監視
手段と、前記電池の出力電圧を降圧する降圧手段と、前
記電池の出力電圧を昇圧する昇圧手段とを備え、前記電
圧監視手段が所定の第１の値以上の電圧を検出している
ときに前記降圧手段を作動させ、前記電圧監視手段が所
定の第２の値（ただし、第２の値＜第１の値）以下の電
圧を検出しているときに前記昇圧手段を作動させる電圧
供給装置であり、電圧監視手段が第１の値以上の電圧を
検出しているときに電池の出力電圧を降圧手段で降圧し
て負荷に供給し、電圧監視手段が第２の値以下の電圧を
検出しているときに電池の出力電圧を昇圧手段で昇圧し
て負荷に供給するという作用を有する。According to a second aspect of the present invention, there is provided a battery serving as a power supply, voltage monitoring means for monitoring an output voltage of the battery, step-down means for decreasing the output voltage of the battery, and output of the battery. Boosting means for boosting a voltage, wherein the voltage monitoring means is activated when the voltage monitoring means detects a voltage equal to or higher than a predetermined first value, and the voltage monitoring means operates the predetermined second value ( However, this is a voltage supply device that activates the boosting means when detecting a voltage equal to or less than the second value <the first value, and the voltage monitoring means detects a voltage equal to or more than the first value. When the output voltage of the battery is stepped down by the step-down means and supplied to the load, and when the voltage monitoring means detects a voltage equal to or less than the second value, the output voltage of the battery is stepped up by the step-up means and supplied to the load. It has the effect of doing.
【０００９】本発明の請求項３に記載した発明は、電源
となる電池の出力電圧を監視し、その電圧が所定の値以
上になったときにその電圧を降圧して負荷に供給する電
圧供給方法であり、電池の出力電圧が所定の値以上にな
ったときにそれを降圧して負荷に供給するという作用を
有する。According to a third aspect of the present invention, there is provided a power supply for monitoring an output voltage of a battery serving as a power supply, and reducing the voltage when the voltage exceeds a predetermined value and supplying the voltage to a load. This method has a function of stepping down the output voltage of a battery when the output voltage exceeds a predetermined value and supplying the voltage to a load.
【００１０】本発明の請求項４に記載した発明は、電源
となる電池の出力電圧を監視し、その電圧が所定の第１
の値以上になったときにその電圧を降圧して負荷に供給
し、前記電圧が所定の第２の値（ただし、第２の値＜第
１の値）以下になったときに前記電圧を昇圧して前記負
荷に供給する電圧供給方法であり、電池の出力電圧が第
１の値以上になったときにそれを降圧して負荷に供給
し、電池の出力電圧が第２の値以下になったときにそれ
を昇圧して負荷に供給するという作用を有する。According to a fourth aspect of the present invention, an output voltage of a battery serving as a power supply is monitored, and the output voltage is set to a predetermined first voltage.
When the voltage becomes equal to or more than the value, the voltage is reduced and supplied to the load. When the voltage becomes equal to or less than a predetermined second value (where the second value <the first value), the voltage is reduced. A voltage supply method for boosting and supplying the load to the load, wherein when the output voltage of the battery becomes equal to or higher than a first value, the voltage is reduced and supplied to the load, and the output voltage of the battery becomes equal to or less than a second value. When this happens, it has the effect of boosting it and supplying it to the load.
【００１１】以下、本発明の実施の形態について図面を
参照しながら詳細に説明する。An embodiment of the present invention will be described below in detail with reference to the drawings.
【００１２】図１は、本発明を適用した電圧供給装置の
構成を示すブロック図である。この電圧供給装置は、電
源となる電池（以下、電源電池という）１と、電源電池
１の出力電圧を昇圧する昇圧回路２と、電源電池１の出
力電圧を降圧する降圧回路３と、電源電池１の出力をオ
ン／オフするスイッチング回路４と、電源電池１の出力
電圧を監視する電圧監視回路５と、電圧監視回路５の出
力に応じて前記昇圧回路２、降圧回路３、およびスイッ
チング回路４の作動制御を行う制御装置６とを備えてい
る。そして、制御装置６の制御により、電源電池１の出
力電圧、昇圧回路２の出力電圧、または降圧回路３の出
力電圧が選択的に負荷装置に供給される。FIG. 1 is a block diagram showing a configuration of a voltage supply device to which the present invention is applied. This voltage supply device includes a battery (hereinafter, referred to as a power supply battery) 1 serving as a power supply, a booster circuit 2 that boosts an output voltage of the power supply battery 1, a step-down circuit 3 that lowers an output voltage of the power supply battery 1, and a power supply battery. A voltage monitoring circuit 5 for monitoring the output voltage of the power supply battery 1; the booster circuit 2, the step-down circuit 3, and the switching circuit 4 according to the output of the voltage monitor circuit 5. And a control device 6 for controlling the operation of. Then, under the control of the controller 6, the output voltage of the power supply battery 1, the output voltage of the booster circuit 2, or the output voltage of the step-down circuit 3 is selectively supplied to the load device.
【００１３】以上のように構成された電圧供給装置の動
作について、図２に示す制御装置６の処理を示すフロー
チャートを参照しながら説明する。ここで、この処理を
開始する前提の初期設定として、昇圧回路２および降圧
回路３は停止状態であり、スイッチング回路４がオンに
なっているものとする。また、この処理は所定のタイミ
ング毎に繰り返し実行されるものである。The operation of the voltage supply device configured as described above will be described with reference to the flowchart of FIG. Here, as an initial setting for starting this processing, it is assumed that the booster circuit 2 and the step-down circuit 3 are in a stopped state and the switching circuit 4 is on. This process is repeatedly executed at predetermined timings.
【００１４】まず、制御装置６は電圧監視回路５の出力
を取り込み（ステップS1)、そのレベルＶ1が予め定めら
れた下限レベルＶL以下あるか否か判断する（ステップS
2）。First, the control device 6 takes in the output of the voltage monitoring circuit 5 (step S1), and determines whether or not the level V1 is below a predetermined lower limit level VL (step S1).
2).
【００１５】そして、下限レベル以下ではないと判断し
た場合（ステップS2でNo）には、次に前記のレベルＶ1
が予め定められた上限レベルＶH以上であるか否か判断
する（ステップS3）。そして、上限レベルＶH以上では
ないと判断した場合には（ステップS3でNo）、スイッチ
ング回路４をオンにし、昇圧回路２と降圧回路３は停止
させる（ステップS4）。この結果、電源電池１の出力電
圧がそのまま負荷装置に供給される。なお、前述した通
り、昇圧回路２および降圧回路３は停止状態、スイッチ
ング回路４がオンに初期設定されているので、一回目の
処理に限りこのステップS4を省略してもよい。If it is determined that the level is not lower than the lower limit level (No in step S2), then the level V1 is determined.
Is greater than or equal to a predetermined upper limit level VH (step S3). When it is determined that the voltage is not higher than the upper limit level VH (No in step S3), the switching circuit 4 is turned on, and the booster circuit 2 and the step-down circuit 3 are stopped (step S4). As a result, the output voltage of the power supply battery 1 is directly supplied to the load device. As described above, since the booster circuit 2 and the step-down circuit 3 are initially set in a stopped state and the switching circuit 4 is turned on, this step S4 may be omitted only for the first processing.
【００１６】また、ステップS2において下限レベルＶL
以下であると判断した場合（ステップS2でYes）には、
昇圧回路２を作動させ、降圧回路３を停止させ、スイッ
チング回路４はオフにする（ステップS5）。この結果、
昇圧回路２の出力電圧が負荷装置に供給される。なお、
一回目の処理に限りこのステップS5で降圧回路３を停止
させる処理を省略してもよい。In step S2, the lower limit level VL
If it is determined that the following is true (Yes in step S2),
The step-up circuit 2 is operated, the step-down circuit 3 is stopped, and the switching circuit 4 is turned off (step S5). As a result,
The output voltage of the booster circuit 2 is supplied to a load device. In addition,
The process of stopping the step-down circuit 3 in step S5 may be omitted only for the first process.
【００１７】そして、ステップS3において上限レベルＶ
H以上であると判断した場合には（ステップS3でYes）、
降圧回路３を作動させ、昇圧回路２を停止させ、スイッ
チング回路４をオフにする（ステップS6）。この結果、
昇圧回路２の出力電圧が負荷装置に供給される。なお、
一回目の処理に限りこのステップS5で昇圧回路２を停止
させる処理を省略してもよい。Then, in step S3, the upper limit level V
If it is determined that it is H or more (Yes in step S3),
The step-down circuit 3 is operated, the step-up circuit 2 is stopped, and the switching circuit 4 is turned off (step S6). As a result,
The output voltage of the booster circuit 2 is supplied to a load device. In addition,
The process of stopping the booster circuit 2 in step S5 may be omitted only for the first process.
【００１８】図３は、この電圧供給装置における電源電
池１の出力電圧Ｖ1と負荷に供給される電圧Ｖ2との関係
を示す特性図である。この図に示すように、電源電池１
の出力電圧が下限レベルＶLから上限レベルＶHの範囲内
の場合には、電源電池１の出力電圧がそのまま負荷に供
給される。一方、電源電池１の周囲の温度上昇などによ
り、電源電池１の出力電圧が上昇し、上限レベルＶH以
上になった場合には、降圧回路２の出力に切り替わり、
その上限レベルＶHの電圧が負荷装置に供給される。ま
た、電源電池１の周囲の温度低下などにより、電源電池
１の出力電圧が低下し、下限レベルＶL以下になった場
合には、昇圧回路３の出力に切り替わり、その下限レベ
ルＶLの電圧が負荷装置に供給される。FIG. 3 is a characteristic diagram showing the relationship between the output voltage V1 of the power supply battery 1 and the voltage V2 supplied to the load in this voltage supply device. As shown in FIG.
Is within the range from the lower limit level VL to the upper limit level VH, the output voltage of the power supply battery 1 is supplied to the load as it is. On the other hand, when the output voltage of the power supply battery 1 rises due to a rise in temperature around the power supply battery 1 and becomes higher than the upper limit level VH, the output is switched to the output of the step-down circuit 2,
The voltage of the upper limit level VH is supplied to the load device. Further, when the output voltage of the power supply battery 1 decreases due to a decrease in the temperature around the power supply battery 1 and falls below the lower limit level VL, the output is switched to the output of the booster circuit 3, and the voltage of the lower limit level VL is applied to the load. Supplied to the device.
【００１９】このように本発明の実施の形態の電圧供給
装置によれば、周囲の温度上昇などにより電源電池１の
出力電圧が上限レベルＶH以上になったときには、電源
電池１の出力電圧を降圧回路２で降圧して上限レベルＶ
Hの電圧を負荷に供給し、周囲の温度低下などにより電
源電池１の出力電圧が下限レベルＶL以下になったとき
には、電源電池１の出力電圧を昇圧回路３で昇圧して下
限レベルＶLの電圧を負荷に供給するので、温度変動な
どによって電源電池１の出力電圧値が下限レベルLと上
限レベルHの範囲外になったとしても、負荷に供給する
電圧値を前記範囲内に抑えることができる。As described above, according to the voltage supply device of the embodiment of the present invention, when the output voltage of the power supply battery 1 becomes higher than the upper limit level VH due to a rise in ambient temperature or the like, the output voltage of the power supply battery 1 is reduced. Lower voltage in circuit 2 and upper limit level V
When the voltage of H is supplied to the load and the output voltage of the power supply battery 1 falls below the lower limit level VL due to a decrease in ambient temperature or the like, the output voltage of the power supply battery 1 is boosted by the booster circuit 3 to the lower limit level VL. Is supplied to the load, so that even if the output voltage value of the power supply battery 1 is out of the range between the lower limit level L and the upper limit level H due to temperature fluctuation or the like, the voltage value supplied to the load can be kept within the range. .
【００２０】なお、以上説明した実施の形態の電圧供給
装置は昇圧回路および降圧回路の双方を備えるものであ
ったが、温度低下時においても下限レベルＶL以上の電
圧が出力されるように電源電池１を設計しておくことに
より、昇圧回路を省略した装置構成にすることもでき
る。Although the voltage supply device according to the above-described embodiment has both a booster circuit and a step-down circuit, the power supply battery is designed to output a voltage equal to or higher than the lower limit level VL even when the temperature drops. By designing 1, a device configuration in which the booster circuit is omitted can also be obtained.
【００２１】[0021]
【発明の効果】以上のように本発明では、電源となる電
池の出力電圧を監視し、その電圧が所定の値以上になっ
たときにその電圧を降圧して負荷に供給する構成とした
ので、温度上昇などによって電池の出力電圧が所定の値
以上になったとしても、負荷に供給する電圧を所定の値
以下に抑えることができるという効果が得られる。As described above, according to the present invention, the output voltage of the battery serving as the power supply is monitored, and when the voltage exceeds a predetermined value, the voltage is reduced and supplied to the load. In addition, even if the output voltage of the battery becomes higher than or equal to a predetermined value due to a rise in temperature or the like, the effect that the voltage supplied to the load can be suppressed to or below the predetermined value is obtained.
【００２２】また、電源となる電池の出力電圧を監視
し、その電圧が所定の第１の値以上になったときにその
電圧を降圧して負荷に供給して負荷に供給し、前記電圧
が所定の第２の値（ただし、第２の値＜第１の値）以下
になったときに前記電圧を昇圧して前記負荷に供給する
構成としたので、温度変動などによって電池の出力電圧
値が第１の値から第２の値の間の範囲外になったとして
も、負荷に供給する電圧値を前記範囲内に抑えることが
できるという効果が得られる。Also, the output voltage of the battery serving as a power supply is monitored, and when the voltage becomes equal to or higher than a predetermined first value, the voltage is stepped down and supplied to a load and supplied to the load. When the voltage becomes equal to or less than a predetermined second value (however, the second value <the first value), the voltage is boosted and supplied to the load. Is outside the range between the first value and the second value, the voltage value supplied to the load can be suppressed within the range.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明を適用した電源供給装置の構成を示すブ
ロック図、FIG. 1 is a block diagram showing a configuration of a power supply device to which the present invention is applied;
【図２】本発明を適用した電源供給装置の動作を示すフ
ローチャート、FIG. 2 is a flowchart showing the operation of the power supply device to which the present invention is applied;
【図３】本発明を適用した電源供給装置における電源電
池の出力電圧と負荷に供給される電圧との関係を示す特
性図である。FIG. 3 is a characteristic diagram showing a relationship between an output voltage of a power supply battery and a voltage supplied to a load in a power supply device to which the present invention is applied.
１ 電源電池 ２ 昇圧回路 ３ 降圧回路 ４ スイッチング回路 ５ 電圧監視回路 ６ 制御装置 DESCRIPTION OF SYMBOLS 1 Power supply battery 2 Step-up circuit 3 Step-down circuit 4 Switching circuit 5 Voltage monitoring circuit 6 Control device
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5H410 BB04 CC02 DD02 EA37 EB37 FF03 FF22 5H730 AA04 AS04 AS05 BB82 FD11 5K060 CC00 DD04 HH39 JJ23 LL11 LL21 MM02 MM03 MM06 PP01 PP05 5K067 AA23 BB02 EE02 KK05 LL11 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5H410 BB04 CC02 DD02 EA37 EB37 FF03 FF22 5H730 AA04 AS04 AS05 BB82 FD11 5K060 CC00 DD04 HH39 JJ23 LL11 LL21 MM02 MM03 MM06 PP01 PP05 5K067 AA23 BB02 EE02 KK
Claims (4)
を監視する電圧監視手段と、前記電池の出力電圧を降圧
する降圧手段とを備え、前記電圧監視手段が所定の値以
上の電圧を検出しているときに前記降圧手段を作動させ
ることを特徴とする電圧供給装置。1. A battery as a power source, a voltage monitoring means for monitoring an output voltage of the battery, and a step-down means for stepping down an output voltage of the battery, wherein the voltage monitoring means outputs a voltage equal to or higher than a predetermined value. A voltage supply device, wherein the voltage step-down means is operated during detection.
を監視する電圧監視手段と、前記電池の出力電圧を降圧
する降圧手段と、前記電池の出力電圧を昇圧する昇圧手
段とを備え、前記電圧監視手段が所定の第１の値以上の
電圧を検出しているときに前記降圧手段を作動させ、前
記電圧監視手段が所定の第２の値（ただし、第２の値＜
第１の値）以下の電圧を検出しているときに前記昇圧手
段を作動させることを特徴とする電圧供給装置。2. A battery as a power supply, comprising: a voltage monitoring unit that monitors an output voltage of the battery; a step-down unit that steps down the output voltage of the battery; and a step-up unit that steps up the output voltage of the battery. When the voltage monitoring means detects a voltage equal to or higher than a predetermined first value, the step-down means is operated, and the voltage monitoring means operates at a predetermined second value (where the second value <
A voltage supply device that activates the booster when a voltage equal to or less than (first value) is detected.
の電圧が所定の値以上になったときにその電圧を降圧し
て負荷に供給することを特徴とする電圧供給方法。3. A voltage supply method comprising: monitoring an output voltage of a battery serving as a power supply; and, when the voltage becomes equal to or higher than a predetermined value, decreasing the voltage and supplying the voltage to a load.
の電圧が所定の第１の値以上になったときにその電圧を
降圧して負荷に供給し、前記電圧が所定の第２の値（た
だし、第２の値＜第１の値）以下になったときに前記電
圧を昇圧して前記負荷に供給することを特徴とする電圧
供給方法。4. An output voltage of a battery serving as a power supply is monitored, and when the output voltage becomes equal to or higher than a predetermined first value, the voltage is reduced and supplied to a load, and the voltage is set to a predetermined second value. A voltage supply method, wherein the voltage is boosted and supplied to the load when the voltage becomes equal to or less than a value (a second value <the first value).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11102905A JP2000293241A (en) | 1999-04-09 | 1999-04-09 | Device and method for supplying voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11102905A JP2000293241A (en) | 1999-04-09 | 1999-04-09 | Device and method for supplying voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000293241A true JP2000293241A (en) | 2000-10-20 |
Family
ID=14339887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11102905A Pending JP2000293241A (en) | 1999-04-09 | 1999-04-09 | Device and method for supplying voltage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000293241A (en) |
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| JP2009027866A (en) * | 2007-07-20 | 2009-02-05 | Sumitomo Heavy Ind Ltd | Controller of step-up/step-down converter |
| JP2009106145A (en) * | 2007-10-19 | 2009-05-14 | Syspotek Corp | Power supply device with voltage converter circuit |
| JP2010086477A (en) * | 2008-10-02 | 2010-04-15 | Hitachi Automotive Systems Ltd | Power supply control unit |
| JP2014045593A (en) * | 2012-08-27 | 2014-03-13 | Sharp Corp | Radio communication device and portable electronic apparatus |
| JP2016157222A (en) * | 2015-02-24 | 2016-09-01 | セイコーエプソン株式会社 | Circuit apparatus and electronic device |
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| JP2009027866A (en) * | 2007-07-20 | 2009-02-05 | Sumitomo Heavy Ind Ltd | Controller of step-up/step-down converter |
| JP2009106145A (en) * | 2007-10-19 | 2009-05-14 | Syspotek Corp | Power supply device with voltage converter circuit |
| JP2010086477A (en) * | 2008-10-02 | 2010-04-15 | Hitachi Automotive Systems Ltd | Power supply control unit |
| JP2014045593A (en) * | 2012-08-27 | 2014-03-13 | Sharp Corp | Radio communication device and portable electronic apparatus |
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| CN111200356A (en) * | 2018-11-16 | 2020-05-26 | 力晶积成电子制造股份有限公司 | Power switch control circuit and control method thereof |
| JP2020088448A (en) * | 2018-11-16 | 2020-06-04 | 力晶積成電子製造股▲ふん▼有限公司Ｐｏｗｅｒｃｈｉｐ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ Ｍａｎｕｆａｃｔｕｒｉｎｇ Ｃｏｒｐｏｒａｔｉｏｎ | Power switch control circuit and control method thereof |
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