JP2003304650A - Motor drive - Google Patents

Motor drive

Info

Publication number
JP2003304650A
JP2003304650A JP2002105881A JP2002105881A JP2003304650A JP 2003304650 A JP2003304650 A JP 2003304650A JP 2002105881 A JP2002105881 A JP 2002105881A JP 2002105881 A JP2002105881 A JP 2002105881A JP 2003304650 A JP2003304650 A JP 2003304650A
Authority
JP
Japan
Prior art keywords
motor
motor drive
power source
drive device
power supply
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.)
Withdrawn
Application number
JP2002105881A
Other languages
Japanese (ja)
Inventor
Takahide Morikane
崇英 森金
Takayoshi Yotsutsuji
孝良 四辻
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.)
Tokin Corp
NEC Tokin Hyogo Ltd
Original Assignee
NEC Tokin Corp
NEC Tokin Ceramics 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 NEC Tokin Corp, NEC Tokin Ceramics Corp filed Critical NEC Tokin Corp
Priority to JP2002105881A priority Critical patent/JP2003304650A/en
Publication of JP2003304650A publication Critical patent/JP2003304650A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a motor drive for rotating a disc-shaped recording media, having a structure capable of attaining power saving by performing temporary supply of large current with high efficiency and miniaturization of main power source. <P>SOLUTION: A disc-shaped recording media (2) is rotated by a spindle motor (1). After data are read/written from and on the recording media by a head (4), the spindle motor (1) is stopped by a brake or rotated by inertia. The kinetic energy consumed, in this case is converted into electrical energy for regeneration. <P>COPYRIGHT: (C)2004,JPO

Description

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

【0001】[0001]

【発明が属する技術分野】本発明は主電源、補助電源、
エネルギー回生ユニットを有した、ディスク状の記録メ
ディアを回転させるモーター駆動装置に関し、モーター
回転停止時に運動エネルギーを電気エネルギーとして回
生させ前記補助電源に充電し、負荷用に再利用する事に
より、省電力化及び主電源の小型化を目的としたモータ
ー駆動装置に関する。
TECHNICAL FIELD The present invention relates to a main power source, an auxiliary power source,
Concerning a motor drive device for rotating a disk-shaped recording medium having an energy regeneration unit, kinetic energy is regenerated as electric energy when the motor rotation is stopped, and the auxiliary power source is charged and reused for load to save power. The present invention relates to a motor drive device for the purpose of downsizing and downsizing of a main power supply.

【0002】[0002]

【従来の技術】従来、この種のモーター駆動装置は図1
に示す様な、単数もしくは複数個の記録メディア(2)
がセットされたスピンドルモーター(1)を、主電源か
らの電力で回転させ、ヘッド(4)で記録メディアの内
容を読みとったあとスピンドルモーター(1)は、惰性
でそのまま回転させているか、ブレーキにより強制的に
回転を停止させていた。
2. Description of the Related Art Conventionally, a motor drive device of this type is shown in FIG.
Single or multiple recording media as shown in (2)
The spindle motor (1) is set by rotating it with the electric power from the main power source, and after reading the contents of the recording medium with the head (4), the spindle motor (1) is rotating by inertia or by a brake. The rotation was forcibly stopped.

【0003】一時的な大電流に対応するためには、大き
な電源回路が必要であるが、特開2000−35832
6号公報では、図4に示す様にモーター駆動機器(7)
等の定常的な負荷の一時的な大電流に対応するため、電
気二重層コンデンサ(8)を設け主電源(3)の電力を
電気二重層コンデンサ(8)に充電しておき一時的な大
電流が必要な場合、主電源(3)のみからではなく電気
二重層コンデンサ(8)からも電力を供給することによ
り電源回路を小型化させる提案がなされている。
A large power supply circuit is required to cope with a temporary large current.
In the publication No. 6, as shown in FIG. 4, a motor drive device (7)
An electric double layer capacitor (8) is provided to charge the electric double layer capacitor (8) with the electric power of the main power source (3) in order to cope with a temporary large current of a steady load such as. When a current is required, it has been proposed to downsize the power supply circuit by supplying power not only from the main power supply (3) but also from the electric double layer capacitor (8).

【0004】ところが、ここに開示されている特開20
00−358326号公報では、図3に示すモーター駆
動機器(11)において、回転のON、OFFを繰り返
すといった様な一時的に大電流の供給を何度もおこなう
と、モーター等の回転ユニットは、回転を行っている時
に比べ回転を開始する時に多くの電力を消費するため、
電源が電池で構成されている場合、結果として機器全体
の使用時間を短くする。
However, Japanese Unexamined Patent Application Publication No.
In Japanese Patent Publication No. 00-358326, in a motor drive device (11) shown in FIG. 3, when a large current is temporarily and repeatedly supplied, such as repeating ON / OFF of rotation, a rotating unit such as a motor Since it consumes a lot of power when starting rotation compared to when rotating,
If the power supply is composed of batteries, it will result in a shorter overall usage time of the device.

【0005】[0005]

【発明が解決しょうとする課題】本発明が解決しようと
する問題は、ディスク状の記録メディアを回転させるモ
ーター駆動装置において、どの様にすれば回転開始時等
の一時的な大電流の供給を効率よく行い省電力化出来る
のか、また、主電源の小型化が行えるのかという点であ
る。
SUMMARY OF THE INVENTION The problem to be solved by the present invention is to provide a motor drive for rotating a disk-shaped recording medium so as to temporarily supply a large current when starting rotation. The question is whether it can be done efficiently and save power, and whether the main power supply can be made smaller.

【0006】[0006]

【課題を解決するための手段】前述の課題を解決する手
段を、図2を用いて説明する。ディスク状の記録メディ
ア(2)は、スピンドルモーター(1)により回転させ
られ、ヘッド(4)により記録メディアにデータの読み
書きが行われる。この読み書きが行われた後は、ブレー
キによりスピンドルモーター(1)を停止、もしくは惰
性により回転をさせているわけであるが、この場合にお
いて消費してしまっている運動エネルギー等を、電気エ
ネルギーに変換し回生させる。
Means for solving the above problems will be described with reference to FIG. A disk-shaped recording medium (2) is rotated by a spindle motor (1), and data is read from and written to the recording medium by a head (4). After this reading and writing, the spindle motor (1) is stopped by the brake or rotated by inertia, but the kinetic energy consumed in this case is converted into electrical energy. Regenerate.

【実施例】【Example】

【0007】本発明たる第一の発明の実施例を、図2を
用いて説明する。ディスク状の記録メディア(2)の回
転を停止させる場合において、まずスピンドルモーター
(1)の回転を停止させるわけであるが、スピンドルモ
ーター(1)の回転停止にエネルギー回生ユニット
(5)により運動エネルギーを電気エネルギーに変換す
る。この電気エネルギーを補助電源(6)に充電し、次
に記録メディア(2)の回転開始時等の一時的に大電流
が必要な場合、もしくは、記録メディア(2)回転時定
常的に、主電源(3)と補助電源(6)から電力を負担
分担させ、スピンドルモーター(1)に電力を供給す
る。
An embodiment of the first aspect of the present invention will be described with reference to FIG. When the rotation of the disk-shaped recording medium (2) is stopped, first, the rotation of the spindle motor (1) is stopped. The rotation of the spindle motor (1) is stopped by the energy regeneration unit (5). To electrical energy. This electric energy is charged to the auxiliary power source (6), and then when a large current is needed temporarily when the recording medium (2) starts to rotate, or when the recording medium (2) rotates, it is mainly used. Electric power is supplied from the power source (3) and the auxiliary power source (6) to the spindle motor (1).

【0008】本発明たる第二の発明の実施例を、図3を
用いて説明する。ディスク状の記録メディア(2)の回
転を停止させる場合において、まずスピンドルモーター
(1)の回転を停止させるわけであるが、スピンドルモ
ーター(1)回転停止にエネルギー回生ユニット(5)
により運動エネルギーを電気エネルギーに変換する。こ
の電気エネルギーを主電源(3)に充電し、ピンドルモ
ーター(1)に電力を供給する。
The second embodiment of the present invention will be described with reference to FIG. When the rotation of the disc-shaped recording medium (2) is stopped, the rotation of the spindle motor (1) is stopped first. The energy regeneration unit (5) is stopped when the rotation of the spindle motor (1) is stopped.
To convert kinetic energy into electric energy. This electric energy is charged into the main power source (3) to supply power to the pindle motor (1).

【発明の効果】【The invention's effect】

【0009】以上述べた如く本発明により、モーター駆
動装置において、運動エネルギーとして消費していたエ
ネルギーを電気エネルギーとして回生することにより、
使用する電力を低減させることができ、さらに主電源が
二次電池で構成されている場合においては、電源の容量
を小型化させることができ、使用可能時間を長くするこ
とが可能となる。
As described above, according to the present invention, in the motor drive device, the energy consumed as kinetic energy is regenerated as electric energy,
The amount of power used can be reduced, and when the main power source is composed of a secondary battery, the capacity of the power source can be reduced and the usable time can be lengthened.

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

【図1】従来の電力供給を示す図である。FIG. 1 is a diagram showing a conventional power supply.

【図2】本発明たる第一の発明の実施例を示す図であ
る。
FIG. 2 is a diagram showing an embodiment of the first invention as the present invention.

【図3】本発明たる第二の発明の実施例を示す図であ
る。
FIG. 3 is a diagram showing an embodiment of the second invention as the present invention.

【図4】特開2000−358326号公報における電
源回路の実施形態のブロック図である。
FIG. 4 is a block diagram of an embodiment of a power supply circuit disclosed in Japanese Patent Laid-Open No. 2000-358326.

【符号の説明】[Explanation of symbols]

1 スピンドルモーター 2 記録メディア 3 主電源 4 ヘッド 5 エネルギー回生ユニット 6 補助電源 7 モーター駆動機器 8 電気二重層コンデンサ 9 パルス発生素子 10 積層型ポリマ電池 11 定常負荷素子 12 低電圧IC回路 13 給電線 1 Spindle motor 2 recording media 3 main power supply 4 heads 5 Energy regeneration unit 6 Auxiliary power supply 7 Motor drive equipment 8 Electric double layer capacitors 9 pulse generator 10 Stacked polymer battery 11 Steady load element 12 Low voltage IC circuit 13 power lines

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 5D109 EA04 GA01 GA03 5G003 AA04 AA08 BA04 CC02 DA06 DA18 5G065 AA00 AA01 DA01 EA02 EA04 EA10 GA01 HA09 5H530 BB14 CC18 DD02 DD23 DD24 EE05 EE08    ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 5D109 EA04 GA01 GA03                 5G003 AA04 AA08 BA04 CC02 DA06                       DA18                 5G065 AA00 AA01 DA01 EA02 EA04                       EA10 GA01 HA09                 5H530 BB14 CC18 DD02 DD23 DD24                       EE05 EE08

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 商用電源もしくは電池を使用した主電
源、蓄電機能を有した補助電源、エネルギー回生ユニッ
トを有した、ハードディスク、CD−ROM、DVD−
ROM等のディスク状の記録メディアを回転させるモー
ター駆動装置において、モーター回転時に発生させた運
動エネルギーを、モーター停止時に前記エネルギー回生
ユニットにより、運動エネルギーから電気エネルギーに
変換して前記補助電源に充電し、モーター回転開始時等
の一時的に大電流を必要とする場合に、前記主電源と前
記補助電源から同時に負担分担をさせ、モーターに電力
供給する事を目的としたモーター駆動装置。
1. A hard disk, a CD-ROM, a DVD-, which has a commercial power supply or a main power supply using a battery, an auxiliary power supply having a power storage function, and an energy regeneration unit.
In a motor drive device for rotating a disc-shaped recording medium such as a ROM, kinetic energy generated when the motor is rotated is converted from kinetic energy into electric energy by the energy regeneration unit when the motor is stopped, and the auxiliary power supply is charged. A motor drive device for supplying electric power to a motor by causing the main power source and the auxiliary power source to share the load at the same time when a large current is temporarily required when the motor starts rotating.
【請求項2】 商用電源もしくは電池を使用した主電
源、蓄電機能を有した補助電源、エネルギー回生ユニッ
トを有した、ハードディスク、CD−ROM、DVD−
ROM等のディスク状の記録メディアを回転させるモー
ター駆動装置において、モーター回転時に発生させた運
動エネルギーを、モーター停止時に前記エネルギー回生
ユニットにより、運動エネルギーから電気エネルギーに
変換して前記補助電源に充電し、定常的に前記主電源と
前記補助電源から同時に負担分担をさせ、モーターに電
力供給する事を目的としたモーター駆動装置。
2. A hard disk, a CD-ROM, a DVD-, which has a commercial power supply or a main power supply using a battery, an auxiliary power supply having a power storage function, and an energy regeneration unit.
In a motor drive device for rotating a disc-shaped recording medium such as a ROM, kinetic energy generated when the motor is rotated is converted from kinetic energy into electric energy by the energy regeneration unit when the motor is stopped, and the auxiliary power supply is charged. , A motor drive device for the purpose of constantly sharing the burden from the main power source and the auxiliary power source at the same time and supplying electric power to the motor.
【請求項3】 電池を使用した電源、エネルギー回生ユ
ニットを有した、ハードディスク、CD−ROM、DV
D−ROM等のディスク状の記録メディアを回転させる
モーター駆動装置において、モーター回転時に発生させ
た運動エネルギーを、モーター停止時に前記エネルギー
回生ユニットにより、運動エネルギーから電気エネルギ
ーに変換して前記電源に充電し、モーターに電力供給す
る事を目的としたモーター駆動装置。
3. A hard disk, a CD-ROM, and a DV having a power source using a battery and an energy regeneration unit.
In a motor drive device for rotating a disk-shaped recording medium such as a D-ROM, kinetic energy generated when the motor is rotated is converted from kinetic energy into electric energy by the energy regeneration unit when the motor is stopped, and the power source is charged. A motor drive device that aims to supply power to the motor.
【請求項4】 前記補助電源に電気二重層等の電気化学
キャパシタを使用することを特徴とした請求項1または
2に記載したモーター駆動装置。
4. The motor drive device according to claim 1, wherein an electrochemical capacitor such as an electric double layer is used as the auxiliary power source.
【請求項5】 前記補助電源に二次電池を使用すること
を特徴とした請求項1または2に記載したモーター駆動
装置。
5. The motor drive device according to claim 1, wherein a secondary battery is used as the auxiliary power source.
JP2002105881A 2002-04-09 2002-04-09 Motor drive Withdrawn JP2003304650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002105881A JP2003304650A (en) 2002-04-09 2002-04-09 Motor drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002105881A JP2003304650A (en) 2002-04-09 2002-04-09 Motor drive

Publications (1)

Publication Number Publication Date
JP2003304650A true JP2003304650A (en) 2003-10-24

Family

ID=29390360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002105881A Withdrawn JP2003304650A (en) 2002-04-09 2002-04-09 Motor drive

Country Status (1)

Country Link
JP (1) JP2003304650A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101004933B (en) * 2006-01-21 2010-09-29 鸿富锦精密工业(深圳)有限公司 Brake mechanism, and media recording / playing back device possessing the brake mechanism
KR20200040601A (en) * 2018-10-10 2020-04-20 임천규 Large-capacity Brown Gas Production System with Improved backfire prevention and self-generating functions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101004933B (en) * 2006-01-21 2010-09-29 鸿富锦精密工业(深圳)有限公司 Brake mechanism, and media recording / playing back device possessing the brake mechanism
KR20200040601A (en) * 2018-10-10 2020-04-20 임천규 Large-capacity Brown Gas Production System with Improved backfire prevention and self-generating functions
KR102152762B1 (en) * 2018-10-10 2020-09-07 김용호 Large-capacity Brown Gas Production System with Improved backfire prevention and self-generating functions

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