JP3416958B2 - Charger with AC adapter - Google Patents
Charger with AC adapterInfo
- Publication number
- JP3416958B2 JP3416958B2 JP18251792A JP18251792A JP3416958B2 JP 3416958 B2 JP3416958 B2 JP 3416958B2 JP 18251792 A JP18251792 A JP 18251792A JP 18251792 A JP18251792 A JP 18251792A JP 3416958 B2 JP3416958 B2 JP 3416958B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- charging
- function
- current value
- unit
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】本発明は、ＶＴＲ一体型ビデオカ
メラ等の機器の電源として用いられるＡＣアダプター付
充電器に関するものである。The present invention relates is related with AC adapter charger used as a power source for devices such as VTR integrated video mosquitoes <br/> camera.
【０００２】[0002]
【従来の技術】ＶＴＲ一体型ビデオカメラ等の機器の電
源としてＤＣ出力機能と充電機能とを有するＡＣアダプ
ター付充電器が実施されている。すなわちこのＡＣアダ
プター付充電器では、ＤＣ出力機能を用いて機器に駆動
用のＤＣを供給できると共に、充電機能を用いて機器の
駆動用の２次電池の充電を行うことができる。2. Description of the Related Art Chargers with an AC adapter having a DC output function and a charging function have been implemented as a power source for devices such as VTR integrated video cameras. That is, in this charger with an AC adapter, DC for driving can be supplied to the device by using the DC output function, and the secondary battery for driving the device can be charged by using the charging function.
【０００３】このようなＡＣアダプター付充電器におい
て、従来は、ＤＣ出力機能と充電機能とは互いに独立し
て使用することができない。すなわち例えば充電中はＤ
Ｃ出力を得ることができないようにされていた。これは
ＤＣ出力機能と充電機能とを同時に使用すると、例えば
ＤＣ出力を最大出力で得ようとした場合に、充電機能と
の間で放熱等に問題を生じる恐れがあるためである。In such a charger with an AC adapter, conventionally, the DC output function and the charging function cannot be used independently of each other. That is, for example, D during charging
It was made impossible to obtain the C output. This is because when the DC output function and the charging function are used at the same time, there is a possibility that a problem may occur in heat dissipation and the like with the charging function, for example, when trying to obtain the DC output at the maximum output.
【０００４】しかしながら従来から、ＤＣ出力機能と充
電機能とを同時に使用することの要求は、極めて多く出
されているものであった。この出願はこのような点に鑑
みて成されたものである。However, conventionally, there has been an extremely large demand for using the DC output function and the charging function at the same time. This application is made in view of such a point.
【０００５】[0005]
【発明が解決しようとする課題】解決しようとする問題
点は、ＤＣ出力機能と充電機能とを同時に使用すると、
例えばＤＣ出力を最大出力で得ようとした場合に、充電
機能との間で放熱等に問題を生じる恐れがあるというも
のである。The problem to be solved is that when the DC output function and the charging function are used at the same time,
For example, when trying to obtain the DC output at the maximum output, there is a possibility that a problem may occur in heat dissipation and the like with the charging function.
【０００６】[0006]
【課題を解決するための手段】本発明による第１の手段
は、ＤＣ出力機能と充電機能とを有するＡＣアダプター
付充電器において、上記ＤＣ出力機能のＤＣ出力部４と
上記充電機能の充電部６とが独立に設けられると共に、
上記ＤＣ出力部の出力電流値（差動アンプ８）に応じて
上記充電部の充電電流値が制御（可変電流ドライバー回
路５）され、上記充電部の充電電流値の制御は、上記Ｄ
Ｃ出力部の出力と上記充電部の出力の電力和を所定値以
下に保つように制御することを特徴とするＡＣアダプタ
ー付充電器である。The first means according to the present invention is, in a charger with an AC adapter having a DC output function and a charging function, a DC output section 4 of the DC output function and a charging section of the charging function. 6 and 6 are provided independently,
The charging current value of the charging unit is controlled (variable current driver circuit 5) according to the output current value of the DC output unit (differential amplifier 8), and the charging current value of the charging unit is controlled by the D
The power sum of the output of the C output unit and the output of the charging unit is less than a predetermined value.
It is a charger with an AC adapter that is controlled so as to keep it below .
【０００７】[0007]
【０００８】本発明による第２の手段は、上記充電部６
の充電電流値の制御（可変電流ドライバー回路５）は、
上記ＤＣ出力部４の出力電流値を検出（電流検出抵抗
７、差動アンプ８）し、この検出値に応じて制御するこ
とを特徴とする第１の手段記載のＡＣアダプター付充電
器である。A second means according to the present invention is the charging section 6 described above.
Control of the charging current value (variable current driver circuit 5) of
This of the DC detecting an output current value of the output unit 4 (current detecting resistor 7, the differential amplifier 8) is controlled in accordance with the detected value
Preparative a first hand Danki charger with mounting AC adapter characterized by.
【０００９】[0009]
【００１０】[0010]
【作用】これによれば、ＤＣ出力部の出力電流値に応じ
て充電部の充電電流値を制御することによって、放熱等
に問題を生じることなく、ＤＣ出力機能と充電機能とを
同時に使用することができる。According to this, by controlling the charging current value of the charging section in accordance with the output current value of the DC output section, the DC output function and the charging function can be used at the same time without causing a problem in heat radiation or the like. be able to.
【００１１】[0011]
【実施例】図１は本願の発明によるＡＣアダプター付充
電器の回路の一例のブロック図を示す。この図におい
て、１は例えば１００〜２４０ボルトのＡＣ電源の供給
されるＡＣ入力部であって、このＡＣ入力部１に供給さ
れるＡＣ電源がスイッチングレギュレータ回路２に供給
される。1 is a block diagram showing an example of a circuit of a charger with an AC adapter according to the present invention. In the figure, reference numeral 1 denotes an AC input section to which AC power of 100 to 240 V is supplied, for example, and the AC power supplied to the AC input section 1 is supplied to the switching regulator circuit 2.
【００１２】このスイッチングレギュレータ回路２から
の電源がドライバー回路３に供給され、このドライバー
回路３からＤＣ出力がＤＣ出力部４に取り出される。ま
たこのドライバー回路３からＤＣ出力が可変電流ドライ
バー回路５を通じて充電部６に取り出される。The power from the switching regulator circuit 2 is supplied to the driver circuit 3, and the DC output from the driver circuit 3 is taken out to the DC output section 4. Further, the DC output from the driver circuit 3 is taken out to the charging section 6 through the variable current driver circuit 5.
【００１３】さらにＤＣ出力部４に直列に電流検出抵抗
７が接続され、この電流検出抵抗７の両端の電圧が差動
アンプ８に供給されて、ＤＣ出力部４を流れる電流に応
じた信号が取り出される。この信号が可変電流ドライバ
ー回路５の制御端子に供給される。Further, a current detection resistor 7 is connected in series to the DC output unit 4, the voltage across the current detection resistor 7 is supplied to the differential amplifier 8, and a signal corresponding to the current flowing through the DC output unit 4 is generated. Taken out. This signal is supplied to the control terminal of the variable current driver circuit 5.
【００１４】従ってこの装置において、ＤＣ出力部４を
流れる負荷電流が電流検出抵抗７、差動アンプ８を通じ
て検出される。そしてこの検出信号に応じて可変電流ド
ライバー回路５にて、充電部６に取り出される充電電流
が制御される。Therefore, in this device, the load current flowing through the DC output section 4 is detected through the current detection resistor 7 and the differential amplifier 8. Then, the variable current driver circuit 5 controls the charging current extracted to the charging unit 6 according to the detection signal.
【００１５】ここでこのようなＡＣアダプター付充電器
として、例えば本願出願人が販売するＡＣ−Ｓ１０の場
合には、ドライバー回路３の最大出力は１２ＶＡであ
る。従ってＤＣ出力部４の最大出力は７．５Ｖ、１．６
Ａである。また充電部６の充電出力は１０Ｖ、１．２Ａ
である。In the case of the AC-S10 sold by the applicant of the present invention as such a charger with an AC adapter, the maximum output of the driver circuit 3 is 12 VA. Therefore, the maximum output of the DC output unit 4 is 7.5V, 1.6
It is A. The charging output of the charging unit 6 is 10V, 1.2A.
Is.
【００１６】これに対してＶＴＲ一体型ビデオカメラ等
の機器として、例えば本願出願人が販売するＣＣＤ−Ｔ
Ｒ７０５の場合には、再生のみの駆動では、７．５Ｖ、
０．５Ａであり、〔７．５×０．５＝３．７５〕ＶＡが
負荷で消費される電力となる。On the other hand, as a device such as a VTR integrated video camera, for example, a CCD-T sold by the applicant of the present application.
In the case of R705, it is 7.5V in the drive only for reproduction,
It is 0.5 A, and [7.5 × 0.5 = 3.75] VA is the power consumed by the load.
【００１７】よってドライバー回路３には、〔１２─
３．７５＝８．２５〕ＶＡの余裕があり、１０Ｖ、０．
８２５Ａの充電出力を充電部６に取り出すことができ
る。すなわち０．８２５Ａの充電電流が取り出されるよ
うに可変電流ドライバー回路５を制御することにより、
ＤＣ出力と充電とを同時に得ることができる。なおこの
場合に充電時間は、〔１．２／０．８２５＝１．４５
５〕倍の時間で可能になる。Therefore, in the driver circuit 3, [12-
3.75 = 8.25] There is a margin of VA, 10V, 0.
The charging output of 825A can be taken out to the charging unit 6. That is, by controlling the variable current driver circuit 5 so that the charging current of 0.825 A is taken out,
DC output and charging can be obtained at the same time. In this case, the charging time is [1.2 / 0.825 = 1.45
5] It will be possible in double the time.
【００１８】また上述のＣＣＤ−ＴＲ７０５の場合に
は、記録時のズーム動作中では、７．５Ｖ、０．８Ａで
あり、〔７．５×０．８＝６〕ＶＡが負荷で消費される
電力となる。In the case of the above-mentioned CCD-TR705, 7.5V and 0.8A are used during the zoom operation at the time of recording, and [7.5 × 0.8 = 6] VA is consumed by the load. It becomes electric power.
【００１９】よって、ドライバー回路３には、〔１２─
６＝６ＶＡ〕の余裕があり、可変電流ドライバー回路５
を制御して１０Ｖ、０．６Ａの充電出力を充電部６に取
り出すことができる。この場合に充電時間は、〔１．２
／０．６＝２〕倍の時間で可能になる。なお可変電流ド
ライバー回路５での電流値の制御は、実際にはアナログ
的ではなく、ディジタル的に変化される。Therefore, in the driver circuit 3, [12-
6 = 6VA], and the variable current driver circuit 5
The charging output of 10 V and 0.6 A can be taken out to the charging section 6 by controlling. In this case, the charging time is [1.2
/0.6=2] times as long as possible. Note that the control of the current value in the variable current driver circuit 5 is actually changed digitally rather than analog.
【００２０】さらに図２は本願の発明によるＡＣアダプ
ター付充電器の外観を示す。この図において、２１はＡ
Ｃアダプター付充電器を全体として示す。このＡＣアダ
プター付充電器２１には、２次電池２２の装着される充
電部６の端子の露出された凹部が設けれると共に、ＶＴ
Ｒ一体型ビデオカメラ等の機器２３の接続されるＤＣ出
力部４が設けれている。Further, FIG. 2 shows the external appearance of the charger with an AC adapter according to the present invention. In this figure, 21 is A
The charger with a C adapter is shown as a whole. The charger 21 with an AC adapter is provided with an exposed concave portion of the terminal of the charging portion 6 in which the secondary battery 22 is mounted, and the VT
A DC output unit 4 to which a device 23 such as an R-integrated video camera is connected is provided.
【００２１】こうして上述の装置によれば、ＤＣ出力部
の出力電流値に応じて充電部の充電電流値を制御するこ
とによって、放熱等に問題を生じることなく、ＤＣ出力
機能と充電機能とを同時に使用することができるもので
ある。Thus, according to the above-mentioned device, by controlling the charging current value of the charging unit according to the output current value of the DC output unit, the DC output function and the charging function can be realized without causing a problem in heat radiation or the like. It can be used at the same time.
【００２２】すなわち上述の装置において、ＤＣ出力機
能のＤＣ出力部と充電機能の充電部とが独立に設けられ
ると共に、ＤＣ出力部の出力電流値に応じて充電部の充
電電流値が制御される。また充電部の充電電流値の制御
は、ＤＣ出力部の出力と充電部の出力の電力和を所定値
以下に保つように制御される。さらに充電部の充電電流
値の制御は、ＤＣ出力部の出力電流値を検出し、この検
出値に応じて制御される。That is, in the above-mentioned device, the DC output section of the DC output function and the charging section of the charging function are provided independently, and the charging current value of the charging section is controlled according to the output current value of the DC output section. . Further, the control of the charging current value of the charging unit is controlled so as to keep the sum of electric power of the output of the DC output unit and the output of the charging unit below a predetermined value. Further, the control of the charging current value of the charging unit is performed by detecting the output current value of the DC output unit and controlling according to the detected value.
【００２３】また上述の装置において、リフレッシュ放
電中は、放熱を考慮しつつＤＣ出力部４の出力を最大限
に取り出すことができる。Further, in the above-mentioned device, during the refresh discharge, the output of the DC output unit 4 can be maximized while taking heat dissipation into consideration.
【００２４】[0024]
【発明の効果】この発明によれば、ＤＣ出力部の出力電
流値に応じて充電部の充電電流値を制御することによっ
て、放熱等に問題を生じることなく、ＤＣ出力機能と充
電機能とを同時に使用することができるようになった。According to the present invention, by controlling the charging current value of the charging section in accordance with the output current value of the DC output section, the DC output function and the charging function can be realized without causing a problem in heat radiation or the like. Can be used at the same time.
【図１】本発明によるＡＣアダプター付充電器の一例の
回路ブロック図である。FIG. 1 is a circuit block diagram of an example of a charger with an AC adapter according to the present invention.
【図２】本発明によるＡＣアダプター付充電器の一例の
外観図である。FIG. 2 is an external view of an example of a charger with an AC adapter according to the present invention.
１ ＡＣ入力部 ２ スイッチングレギュレータ回路 ３ ドライバー回路 ４ ＤＣ出力部 ５ 可変電流ドライバー回路 ６ 充電部 ７ 電流検出抵抗 ８ 差動アンプ 1 AC input section 2 Switching regulator circuit 3 driver circuit 4 DC output section 5 Variable current driver circuit 6 charging section 7 Current detection resistor 8 differential amplifier
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平４−150728（ＪＰ，Ａ) 特開 昭63−124731（ＪＰ，Ａ) 特開 平４−105524（ＪＰ，Ａ) 特開 昭61−218330（ＪＰ，Ａ) 特開 昭63−59739（ＪＰ，Ａ) 特開 平２−36735（ＪＰ，Ａ) 特開 平３−273832（ＪＰ，Ａ) 実開 平３−34640（ＪＰ，Ｕ) 実開 昭62−61131（ＪＰ，Ｕ) 実開 昭58−150340（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02J 7/00 - 7/34 ─────────────────────────────────────────────────── --- Continuation of the front page (56) Reference JP-A-4-150728 (JP, A) JP-A-63-124731 (JP, A) JP-A-4-105524 (JP, A) JP-A-61- 218330 (JP, A) JP-A-63-59739 (JP, A) JP-A-2-36735 (JP, A) JP-A-3-273832 (JP, A) Actual Kaihei 3-34640 (JP, U) 62-61131 (JP, U) 58-150340 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H02J 7/ 00-7/34
Claims (2)
アダプター付充電器において、 上記ＤＣ出力機能のＤＣ出力部と上記充電機能の充電部
とが独立に設けられると共に、 上記ＤＣ出力部の出力電流値に応じて上記充電部の充電
電流値が制御され、 上記充電部の充電電流値の制御は、上記ＤＣ出力部の出
力と上記充電部の出力の電力和を所定値以下に保つよう
に制御する ことを特徴とする ＡＣアダプター付充電器。1. An AC having a DC output function and a charging function.
In the charger with the adapter, the DC output unit having the DC output function and the charging unit having the charging function are independently provided, and the charging current value of the charging unit is controlled according to the output current value of the DC output unit. , The charging current value of the charging unit is controlled by the output of the DC output unit.
Force and the sum of the electric power of the output of the charging part should be kept below a specified value.
Charger with AC adapter, which is controlled by
ＤＣ出力部の出力電流値を検出し、この検出値に応じて
制御することを特徴とする請求項１記載のＡＣアダプタ
ー付充電器。2. A control charging current value of the charging unit detects an output current value of the DC Output section, with AC adapter according to claim 1 Symbol placement and controls in accordance with the detected value Charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18251792A JP3416958B2 (en) | 1992-07-09 | 1992-07-09 | Charger with AC adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18251792A JP3416958B2 (en) | 1992-07-09 | 1992-07-09 | Charger with AC adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0638399A JPH0638399A (en) | 1994-02-10 |
| JP3416958B2 true JP3416958B2 (en) | 2003-06-16 |
Family
ID=16119688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18251792A Expired - Lifetime JP3416958B2 (en) | 1992-07-09 | 1992-07-09 | Charger with AC adapter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3416958B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0423358A4 (en) * | 1989-04-15 | 1992-05-06 | Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai | Postostatin and related compound thereof, or their salts |
| JP3824185B2 (en) * | 1996-03-11 | 2006-09-20 | Ｔｄｋ株式会社 | Piezoacoustic transducer |
| JP5390545B2 (en) | 2011-01-24 | 2014-01-15 | 株式会社タムラ製作所 | Piezoelectric sensor |
-
1992
- 1992-07-09 JP JP18251792A patent/JP3416958B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638399A (en) | 1994-02-10 |
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