JP2546429B2 - centrifuge - Google Patents
centrifugeInfo
- Publication number
- JP2546429B2 JP2546429B2 JP2290520A JP29052090A JP2546429B2 JP 2546429 B2 JP2546429 B2 JP 2546429B2 JP 2290520 A JP2290520 A JP 2290520A JP 29052090 A JP29052090 A JP 29052090A JP 2546429 B2 JP2546429 B2 JP 2546429B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- holder
- centrifuge
- data holder
- rotating body
- 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
Landscapes
- Centrifugal Separators (AREA)
Description
【発明の詳細な説明】 〔発明の利用分野〕 本発明は、遠心分離機用回転体へデータを保持させる
ための装置に関するものである。Description: FIELD OF THE INVENTION The present invention relates to a device for holding data in a rotor for a centrifuge.
データ保持器を持つ遠心分離機用回転体からデータを
読み込み、また書き込むといった動作を行う際、読み書
きを行う磁気ヘッドはデータ保持器と接触、またはある
一定の距離以下でしか読み込み書き込みが行えない。し
かし遠心分離機の場合、超高速に回転させるため、前記
回転体は細いシャフトで回転駆動部を接続し、前記シャ
フトの１次個有振動数よりも高速側で使用する構造とな
っている。また、遠心分離を行う試料や、これを入れる
回転体の重量アンバランスも上記構造にて許容できるよ
うになる。この様な構造の為、前記データ保持装置部分
は回転数により第４図のような振幅となる。１次固有振
動数Nd及び、高速回転時に、磁気ヘッドに接触しない距
離a2まで離す必要がある。しかし、ヘッドの検出距離が
a1以下の場合、a2まで離しておくことができない。When performing operations such as reading and writing data from a centrifuge rotor having a data holder, the magnetic head for reading and writing can only read or write data within a certain distance or in contact with the data holder. However, in the case of a centrifuge, in order to rotate at an extremely high speed, the rotary body has a structure in which the rotary drive unit is connected by a thin shaft and is used at a speed higher than the primary vibration frequency of the shaft. Further, the weight unbalance of the sample to be centrifuged and the rotating body in which the sample is placed can be allowed by the above structure. Due to such a structure, the data holding device portion has an amplitude as shown in FIG. 4 depending on the rotation speed. It is necessary to separate the primary natural frequency Nd and a distance a 2 that does not contact the magnetic head during high speed rotation. However, the detection distance of the head
For a 1 or less, it can not be kept away until a 2.
本発明の目的は、上記した欠点をなくし、この種の回
転体へのデータ保存用磁気ヘッドの検出距離が、回転体
の振幅より小さくても、正確に動作できるようにするこ
とである。An object of the present invention is to eliminate the above-mentioned drawbacks and to enable accurate operation even if the detection distance of the data storage magnetic head to this type of rotating body is smaller than the amplitude of the rotating body.
本発明は、データ保持器部の振幅が、ある一定回転数
では小さくなることに注目し、その時のみ磁気ヘッドを
前記データ保持器部に近付けるように工夫したものであ
る。In the present invention, attention is paid to the fact that the amplitude of the data holder portion becomes small at a certain number of rotations, and only in that case, the magnetic head is devised so as to approach the data holder portion.
本発明の実施例を第１図、第２図、第３図に示す。 An embodiment of the present invention is shown in FIGS. 1, 2 and 3.
回転体４の底部には円筒状のデータ保持器２が設けて
あり、回転駆動部とフレキシブルシャフト10に接続され
たハブ３の上に乗って回転する。データ保持器２の外周
近傍に磁気ヘッド１があり、データの読み込み書き込み
を行う。即ち、本実施例において磁気ヘッド１は、デー
タ読み込み装置でもあり、データ書き込み装置でもあ
る。磁気ヘッド１はデータ保持機２に対しての距離を変
更できるようになっており、その機構部は次のように構
成されている。磁気ヘッド１はヘッドベース６の上に固
定され横方向にスライドする。ヘッドベース６の下側に
クランプベース13があり、これも横方向にスライドする
構造である。ヘッドベース６とクランプベース13は２コ
のスプリング19により引張られており、その間にＴバー
９があってＴバー９の回転によりヘッドベース６とクラ
ンプベース13は逆方向にスライドする、Ｔバー９は駆動
部ハウジング11に固定されたホルダ７に支持され回転で
き、同ホルダ７に固定されたソレノイド８と連動して回
転する。A cylindrical data holder 2 is provided at the bottom of the rotator 4, and the data holder 2 is mounted on a hub 3 connected to the rotary drive unit and the flexible shaft 10 to rotate. The magnetic head 1 is located near the outer circumference of the data holder 2 and reads and writes data. That is, in this embodiment, the magnetic head 1 is both a data reading device and a data writing device. The magnetic head 1 can change the distance with respect to the data holder 2, and its mechanical section is configured as follows. The magnetic head 1 is fixed on the head base 6 and slides laterally. There is a clamp base 13 below the head base 6, which also has a structure that slides in the lateral direction. The head base 6 and the clamp base 13 are pulled by two springs 19, and there is a T bar 9 between them, and the rotation of the T bar 9 causes the head base 6 and the clamp base 13 to slide in opposite directions. Is supported by a holder 7 fixed to a drive unit housing 11 and can rotate, and rotates in conjunction with a solenoid 8 fixed to the holder 7.
回転体４が停止中及び一次固有振動数Nd（100〜400mi
m-1）を含む回転数（第４図のN1以下）では第３図の様
に磁気ヘッド１及びデータ保持器２を支える３コのロー
ラ５はデータ保持器外周18からδ′＞a2となる状態まで
離れている。回転体１の回転数がN1を越え約1,000mim-1
の時点でソレノイド８がONし、ヘッドベース６とクラン
プベース13が移動し、３コのローラ５がデータ保持器２
を支え、磁気ヘッド１とデータ保持器外周18との距離が
０＜δ＜a1となる位置になる。この状態にてデータ保持
器２よりデータを読み込む。その後、再びソレノイド８
をOFFし、２コのスプリング19に引張られ、再度第３図
の状態に戻り、回転体４は分離を行う回転数まで加速す
る。分離後減速し、再び1,000min-1の時点で第２図の状
態になり、新しいデータを書き込み、その後、再々度第
３図の状態に戻って回転体は停止する。The rotating body 4 is stopped and the primary natural frequency Nd (100 to 400 mi
At rotation speeds including m −1 (N 1 or less in FIG. 4), the three rollers 5 supporting the magnetic head 1 and the data retainer 2 from the outer periphery 18 of the data retainer to δ ′> a as shown in FIG. It is far from the state of 2 . Rotational speed of rotor 1 exceeds N 1 and is approximately 1,000mim -1
At that time, the solenoid 8 is turned on, the head base 6 and the clamp base 13 are moved, and the three rollers 5 are connected to the data holder 2.
Thus, the distance between the magnetic head 1 and the outer circumference 18 of the data holder is at a position where 0 <δ <a 1 . In this state, data is read from the data holder 2. After that, the solenoid 8 again
Is turned off, the spring 19 is pulled by two springs 19, the state returns to the state shown in FIG. 3 again, and the rotating body 4 accelerates to the number of rotations for separation. After the separation, the speed is decelerated, and at the time of 1,000 min −1 again, the state shown in FIG. 2 is reached, new data is written, and then the state shown in FIG. 3 is returned again and the rotor is stopped.
なお、第１図から第３図ではローラを３個使用した実
施例を開示したが、クランプベース13上のローラ5aは特
になくても同様の効果を得ることができる。また、第１
図から第３図までの実施例は磁気ヘッドをフレキシブル
シャフト10に対して垂直方向に移動するように構成して
いるが、フレキシブルシャフト10に対して平行方向即ち
上下方向に移動させてもよい。Although FIGS. 1 to 3 disclose the embodiment in which three rollers are used, the same effect can be obtained without the roller 5a on the clamp base 13. Also, the first
In the embodiments shown in FIGS. 3 to 3, the magnetic head is configured to move in the vertical direction with respect to the flexible shaft 10, but the magnetic head may be moved in parallel with the flexible shaft 10, that is, in the vertical direction.
本発明によれば、データ読み書き装置（磁気へッド）
を、実際に読み込む時と、書き込む時のみに回転体のデ
ータ保持器に近付けておき、他の場合は離してしまうの
で、フレキシブルシャフトの１次固有振動数や、高速回
転時回転体のアンバランスにより振幅が、データ読み書
装置の検出距離よりも大きくなっても、回転体（データ
保持器）と接触することなく、データを読み書きするこ
とができる。According to the present invention, a data read / write device (magnetic head)
Is brought close to the data holder of the rotating body only during actual reading and writing, and is separated in other cases, so the primary natural frequency of the flexible shaft and the unbalance of the rotating body during high-speed rotation Thus, even if the amplitude becomes larger than the detection distance of the data reading / writing device, the data can be read / written without contact with the rotating body (data holder).
第１図は本発明になる一実施例を示す縦断面図、第２
図、第３図は、第１図の上面図、第４図はデータ保持器
部分の振幅を示すグラフである。 図において、１は磁気ヘッド、２はデータ保持器、３は
ハブ、４は回転体、5a、5bはローラ、６はヘッドベー
ス、７はホルダ、８はソレノイド、９はＴバー、10はフ
レキシブルシャフト、11はハウジング、12はベロー、13
はクランプベース、14は回転センサ、15は軸受、16はボ
トムプレート、17はホトセンサ、18はデータ保持器外
周、19はスプリングである。FIG. 1 is a vertical sectional view showing an embodiment according to the present invention, and FIG.
FIG. 3 and FIG. 3 are top views of FIG. 1, and FIG. 4 is a graph showing the amplitude of the data holder part. In the figure, 1 is a magnetic head, 2 is a data holder, 3 is a hub, 4 is a rotating body, 5a and 5b are rollers, 6 is a head base, 7 is a holder, 8 is a solenoid, 9 is a T bar, and 10 is flexible. Shaft, 11 is housing, 12 is bellows, 13
Is a clamp base, 14 is a rotation sensor, 15 is a bearing, 16 is a bottom plate, 17 is a photo sensor, 18 is a data holder outer circumference, and 19 is a spring.
Claims (3)
心分離機であって、該回転体にはデータを保持するデー
タ保持器を具備しており、更に該データ保持器のデータ
を読み込むデータ読み込み装置を備えた遠心分離機にお
いて、 前記データ読み込み装置が前記データ保持器に保持され
たデータを読み込む時に、前記データ読み込み装置が前
記データ保持器に近づくように構成された機構部を有す
ることを特徴とする遠心分離機。1. A centrifuge for exchanging a plurality of types of rotating bodies for use, wherein the rotating body is provided with a data holder for holding data, and further the data of the data holder is stored. In a centrifuge having a data reading device for reading, when the data reading device reads the data held in the data holder, the data reading device has a mechanism portion configured to approach the data holder. A centrifuge characterized in that.
心分離機であって、該回転体にはデータを保持するデー
タ保持器を具備しており、更に該データ保持器にデータ
を書き込むデータ書き込み装置を備えた遠心分離機にお
いて、 前記データ書き込み装置が前記データ保持器にデータを
書き込む時に、前記データ書き込み装置が前記データ保
持器に近づくように構成された機構部を有することを特
徴とする遠心分離機。2. A centrifuge which is used by exchanging a plurality of types of rotating bodies, wherein the rotating body is provided with a data holder for holding data, and the data holder further stores data. In a centrifuge including a data writing device for writing, when the data writing device writes data to the data holder, the data writing device has a mechanism portion configured to approach the data holder. And centrifuge.
位置に回転可能に支持する少なくとも１つ以上の支持部
材を有しており、前記データ保持器を所定の位置に支持
した状態で、前記データ保持器と前記データ読み込み装
置又は前記データ書き込み装置との間隙が一定となるよ
う構成されていることを特徴とする請求項１又は請求項
２記載の遠心分離機。3. The mechanism section has at least one support member that rotatably supports the data holder at a predetermined position, and supports the data holder at a predetermined position. The centrifuge according to claim 1 or 2, wherein a gap between the data holder and the data reading device or the data writing device is constant.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290520A JP2546429B2 (en) | 1990-10-26 | 1990-10-26 | centrifuge |
| EP90123591A EP0431645B1 (en) | 1989-12-08 | 1990-12-07 | System for management of body of rotation of centrifuge |
| DE69026039T DE69026039T2 (en) | 1989-12-08 | 1990-12-07 | System for determining the operating conditions of centrifuge rotors |
| US08/107,428 US5342280A (en) | 1989-12-08 | 1993-08-17 | System for management of body rotation of centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290520A JP2546429B2 (en) | 1990-10-26 | 1990-10-26 | centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04166248A JPH04166248A (en) | 1992-06-12 |
| JP2546429B2 true JP2546429B2 (en) | 1996-10-23 |
Family
ID=17757093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2290520A Expired - Lifetime JP2546429B2 (en) | 1989-12-08 | 1990-10-26 | centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2546429B2 (en) |
-
1990
- 1990-10-26 JP JP2290520A patent/JP2546429B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04166248A (en) | 1992-06-12 |
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