JP2542463B2 - Storage disk module and storage disk device using the same - Google Patents

Description

Detailed Description of the Invention

(Table of Contents) Industrial Application Field of the Prior Art (FIG. 9) Problem to be Solved by the Invention Means for Solving the Problem (FIG. 1) Action Example (a) Description of Module of One Example ( 2 to 6) (b) Description of storage disk device of one embodiment (FIGS. 7 to 8) (c) Description of another embodiment

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage disk module which accommodates a storage disk drive mechanism section and a control section in a frame and is mounted on the back of a rocker, and a storage disk apparatus using the same.

[0003] Storage disk devices such as magnetic disk devices and optical disk devices are widely used as external storage devices in electronic computer systems.

With the recent large use of magnetic disk devices, the proportion of them in the computer room is increasing, and there is a great demand to reduce the installation floor area of the magnetic disk devices.

For this reason, there is a strong demand for an increase in the number of magnetic disk drives mounted in the magnetic disk device and an increase in the mounting density.

[0006]

2. Description of the Related Art FIG. 9 is an explanatory diagram of the prior art.

As shown in FIG. 9, the magnetic disk module 1 includes a magnetic disk drive mechanism 2 for positioning a magnetic head by an access mechanism with respect to a rotating magnetic disk, a power supply 3, and operation of the magnetic disk drive mechanism 2. And a circuit unit 4 are accommodated in a frame 10.

As the arrangement of the magnetic disk module 1, for example, as disclosed in Japanese Patent Laid-Open No. 2-266599, the magnetic disk drive mechanism 2 is fixed to the rear portion of the frame 10 with a fixing frame 11, and There has been a device in which a power source 3 and a circuit unit 4 which are control units are provided in the front part, and the magnetic disk drive mechanism 2, the power source 3 and the circuit unit 4 are connected by a connection cable.

In this structure, the upper and lower portions of the frame 10 can be opened, and effective cooling can be performed by the cooling flow from the bottom to the top of the arrow in the figure.
The front surface can be maintained by providing the front surface with.

Further, a connection to a host device such as a string control circuit or a magnetic disk control circuit is made by connecting a cable to the front surface.

Then, the magnetic disk module 1 is mounted on a locker from the both sides back to back to enable maintenance on both sides.

[0012]

However, the prior art has the following problems.

Since the module including the mechanism section and the control section has a rectangular parallelepiped shape, mounting the modules back to back increases the depth dimension of the device.

Since the cable for connecting to the host is provided on the front surface, it takes time and effort to mount the module 1, and it is not easy to replace or add the module 1.

Since the magnetic disk drive mechanism is provided at the rear of the module 1, it takes time and effort to replace the magnetic disk drive mechanism alone, and the maintainability is poor.

Since the module 1 requires a cable space, it is difficult to miniaturize the module 1, the number of modules mounted on the device cannot be increased, and high-density mounting cannot be achieved.

Therefore, it is an object of the present invention to provide a storage disk module and a storage disk device which can reduce the depth dimension of the device and facilitate the replacement of each part.

It is another object of the present invention to provide a storage disk module and a storage disk device which can easily replace or add modules.

A further object of the present invention is to provide a storage disk module and a storage disk device which can be miniaturized and which enables high-density mounting.

[0020]

FIG. 1 is a diagram illustrating the principle of the present invention.

According to a first aspect of the present invention, there is provided a disk drive mechanism section 2 for positioning a head by an access mechanism with respect to a rotating storage disk, and control sections 3, 4 for operating the disk drive mechanism section 2. In the storage disk module that is housed in the frame 10 and mounted back to back from the front and rear surfaces of the locker 7, the frame 1
0, the disk drive mechanism section 2 and the control sections 3 and 4 are arranged side by side so that the dimensions in the depth direction are different.

According to claim 2 of the present invention, in claim 1,
A connector 6 for connecting to the device side connector 8 of the locker 7 is provided.

According to a third aspect of the present invention, in the first and second aspects, the frame 10 is provided with a back panel 5 for connecting the disk drive mechanism section 2 and the control sections 3 and 4. Characterize.

According to a fourth aspect of the present invention, in the first, second, and third aspects, the disc drive mechanism section 2 has a disc drive main body 20 attached to a frame 21, and a guide rail of the frame 10. The frame 2 in 11
The disk drive mechanism section 2 is set by fitting 1 into it.

According to a fifth aspect of the present invention, in the fourth aspect,
The frame 21 is provided with a connector 23 for connection with the back panel 5, and the connector 23 is movably provided within a limited range with respect to the frame 21.

According to claim 6 of the present invention, in claim 3
The control units 3 and 4 are composed of a power supply 3 and a circuit unit 4, and the power supply 3 and the circuit unit 4 are connected to the back panel 5.

According to claim 7 of the present invention, in claim 6,
The disk drive mechanism 2, the power source 3, and the circuit unit 4 are vertically arranged in the frame 10 and arranged side by side in the horizontal direction, and the frame 10 is opened at the top and bottom.

The eighth aspect of the present invention comprises a disk drive mechanism section 2 for positioning a head by an access mechanism with respect to a rotating storage disk, and control sections 3, 4 for operating the disk drive mechanism section 2. In a storage disk device in which a plurality of storage disk modules 1 housed in a frame 10 are housed in a locker 7,
The disk drive mechanism section 2 and the control sections 3 and 4 are arranged side by side so that the dimensions in the depth direction are different, and the storage disk module 1 is mounted from the front surface and the rear surface of the rocker 7 back to back. It is characterized by having done.

A ninth aspect of the present invention is based on the eighth aspect.
The storage disk module 1 is provided with a connector 6, and the locker 7 is provided with an apparatus-side connector 8 for connecting to the connector 6 of the storage disk module 1.

A tenth aspect of the present invention is characterized in that, in the ninth aspect, the device side connector 8 is provided so as to be movable within a limited range of the rocker 7.

According to an eleventh aspect of the present invention, in the eighth aspect, the storage disk module 1 is replaced by the locker 7.
It is characterized in that it has a duct structure in which the cooling air passages are formed in the upper and lower parts by accommodating the upper and lower parts in multiple stages.

[0032]

According to the first aspect of the present invention, since the disk drive mechanism section 2 and the control sections 3 and 4 are provided side by side on the frame 10 so as to have different dimensions in the depth direction, they are mounted on the back surface of the rocker. At this time, one module having a smaller depth dimension and the other module having a larger depth dimension can be arranged so as to face each other, and the depth dimension of the device can be reduced, and the size of the device can be significantly reduced. Along with this, the disk drive mechanism section 2 and the control sections 3 and 4 are provided side by side, so that it is possible to easily replace each section.

According to the second aspect of the present invention, since the connector 6 for connecting to the device-side connector 8 of the locker 7 is provided, the rear surface of the module can be used to connect to the device, and the front surface of the module can be connected. Since it is opened, it is easy to replace and add modules.

According to the third aspect of the present invention, since the disk drive mechanism section 2 and the control sections 3 and 4 are connected by the back panel 5, it is not necessary to provide a cable space for these connections in the module. The module can be downsized, and high-density mounting can be achieved.

According to the fourth aspect of the present invention, since the disk drive main body 20 is attached to the frame 21 and set by being fitted into the guide rail 11 of the frame 10, the replacement of the disk drive mechanism section 2 becomes easier.

According to the fifth aspect of the present invention, since the connector 23 for connecting to the back panel 5 is movably provided on the frame 21, the vibration of the disk drive body 20 is absorbed even if the back panel is connected. , Secure the connection.

In the sixth aspect of the present invention, since the power source 3 of the control units 3 and 4 and the circuit unit 4 are connected by the back panel 5, the cable space between the control units can be reduced and the module can be miniaturized. It will be possible.

According to the seventh aspect of the present invention, since the upper and lower sides of the frame 10 are opened, the cooling can be effectively performed even if the back panel is connected.

In the eighth aspect of the present invention, the frame 10 is
Since the disk drive mechanism unit 2 and the control units 3 and 4 are provided side by side so that the dimensions in the depth direction are different and are mounted on the back face of the rocker 7, one module having a smaller depth dimension and another The module having the larger depth dimension can be disposed so as to face each other, the depth dimension of the device can be reduced, and the size of the device can be significantly reduced. At the same time, the disk drive mechanism unit 2 and the control units 3 and 4 are provided side by side, so that external replacement can be facilitated.

According to the ninth aspect of the present invention, since the device side connector 8 is provided in the locker 7, it becomes possible to connect with the connector 6 of the storage disk module 1 by a plug-in operation, so that the device can be connected and the front surface of the module. Open, making it easier to replace and add modules.

In the tenth aspect of the present invention, since the device side connector 8 is movably provided on the rocker 7, the plug-in operation of the module 1 can be facilitated.

According to the eleventh aspect of the present invention, since the storage disk modules 1 are housed in the rocker 7 in the upper and lower stages, a duct structure having upper and lower cooling air passages can be formed and sufficient cooling can be performed.

[0043]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (a) Description of Module of One Embodiment FIG. 2 is an exploded view of one embodiment module of the present invention, FIG. 3 is an exploded view of one embodiment drive of the present invention, and FIG. 4 is one embodiment of the present invention. FIG. 5 is an exploded view of an example module, FIG. 5 is a configuration diagram of a back panel of an example of the present invention, and FIG. 6 is a rear view of an example module of the present invention.

As shown in FIG. 2, the frame 10 is L-shaped when viewed from the top, the front is open, the side is provided with a pair of side plates 12, and the rear is a rear plate 13 and the back panel 5. It is surrounded by.

The frame 10 is divided into a drive accommodating portion and a power / circuit accommodating portion on the left and right sides of the drawing by a partition plate 14, and the drive accommodating portion has a long depth and the power / circuit accommodating portion has a short depth. Has been done.

Guide rails 11 are provided above and below the drive accommodating portion, and a power supply guide rail 15 and three circuit guide rails 16 are provided above and below the power supply / circuit accommodating portion, as shown in FIG. And are provided, and the other top and bottom are open.

The back panel 5 is provided in front of the rear plate 13, and the back panel 5 has a front surface shown in FIG.
As shown in (A), a drive connector 50 for connection with the drive 2, a power supply connector 51 for connection with the power supply 3, and three circuit connectors for connection with the circuit unit 4. 52 are provided, and four connectors 6 for connecting to the device are provided on the back surface of the back panel 5, as shown in FIG. 5 (B).

On the other hand, the drive 2 is, as shown in FIG.
Drive body 20 for positioning the magnetic head by the access mechanism with respect to the frame 21 and the rotating magnetic disk
And a printed board 22.

The frame 21 is provided with protrusions 21a for engagement with the guide rails 11 vertically, and the drive body 20 is attached by screwing a screw into the cushioning rubber 20a of the drive body 20 from the attachment hole 21c.

An amplifier is attached to the mounting arm 21b of the frame 21,
A printed board 22 having an AGC circuit mounted thereon is attached by screws.

The printed board 22 is provided with a connector 23 for connection with the connector 50 of the back panel 5 and a printed cable 24 for connection with the drive body 20. By making it slightly larger, the printed board 22 and the connector 23 can be moved with respect to the frame 21 within a limited range.

By the movement of the printed board 22 and the printed cable 24, vibrations in the operation of the drive body 20 are absorbed so that an unreasonable force is not applied to the connector 23.

As shown in FIG. 2, the drive 2 thus constructed is fitted with the frame 21 on the guide rail 11 of the frame 10 and slidably inserted, and the connector 23 is attached to the back panel 5.
21a of the frame 21 by inserting and connecting to the connector 50 of
To cover the guide rail 11 and cover the front cover 17 as shown in FIG.

Further, as shown in FIG. 4, a connector 30 is provided at the tip of the power source 3, a connector 40 is provided at the tip of each of the three circuit units 4, and these are fitted into the guide rails 15 and 16 of the frame 10. , Slide-insert the connector 30 into the connector 51 of the back panel 5 and the connector 4
0 is inserted into the connector 52 of the back panel 5, and is connected and fixed.

In the magnetic disk module 1 thus configured, the drive accommodating portion has a long depth and the control portion (power supply / circuit) accommodating portion has a short depth. The drive storage portion of one module 1 and the control storage portion of the other module 1 can face each other, and the depth of the device can be reduced.

At this time, the drive accommodating section is limited by the length of the drive 2 and the depth cannot be shortened. However, the control section can freely determine the sizes of the power source 3 and the circuit printed board 4, and the power source 3 is thick. Thicker, the circuit unit 4 has a larger number of printed boards, and the power source 3 and the circuit unit printed board 4 are provided.
Is shortened, and the depth of the control section accommodating section is shortened.

Since the drive 2, power supply 3 and circuit unit 4 are connected by the back panel 5, no cable space is required in the module, the module 1 can be miniaturized, the number of units mounted in the device can be increased, and high density can be achieved. Can be implemented.

Since the connector 6 is provided on the rear surface of the back panel 5, cable connection with a host device can be made on the rear surface of the module 1, and it is not necessary to provide a cable on the front surface. It will not be easy.

Since the drive 2, the power source 3, and the circuit unit 4 are arranged in parallel in the module 1, each can be replaced independently from the front side, and the replacement is easy.

Since the drive main body 20 is attached to the frame 21 and set by being fitted into the guide rails 11 of the frame 10, replacement and maintenance of the drive 2 are easy.

Since the printed board 22 provided with the connector 23 is movably provided in a limited range on the frame 21,
Even if the drive body 20 vibrates, no excessive force is applied to the connector 23, and the connector 23 can be prevented from falling off.

Since the four side surfaces of the frame 10 are enclosed and the upper and lower sides are open, a cooling passage can be formed in the vertical direction, and the duct structure provides good cooling efficiency.

(B) Description of Storage Disk Device of One Embodiment FIG. 7 is an overall view of a magnetic disk device of one embodiment of the present invention, and FIG. 8 is a mounting view of a module of one embodiment of the present invention. The same components as those shown in FIGS. 1 to 6 are designated by the same symbols.

The example of FIG. 6 shows a slave type magnetic disk device equipped with only a drive, and is used by being connected to a master type magnetic disk device having means for connecting with a host device such as a string control circuit. The master type device is different from the master type device only in that the string control circuit is provided, and the description thereof will be omitted.

In FIG. 7, in the locker 7, the module 1 is placed in each module housing portion 73 so that the drive housing portion of one module 1 faces the control portion housing portion of another module 1 from the front surface to the rear surface. In addition, they are mounted, and four module storage parts 73 are provided in the upper and lower parts, so that 16 magnetic disk modules 1 can be mounted.

Then, for each two-stage module storage section,
Two cooling fans (not shown) are provided, and doors (not shown) are provided on the front surface and the rear surface.

As shown in FIG. 8, the module storage portion 73
Has an L shape when viewed from above, the front surface is open, the side surface plate 74 is provided on the side surface, the rear surface plate 75 is provided on the rear surface, the guide portions 76 are provided on both sides of the lower surface, and the others are open. The upper surface is open.

Four device-side connectors 8 are screwed to the rear plate 75 so as to correspond to the connectors 6 (see FIG. 6) on the module 1 side. By forming the screw hole of the device-side connector 8 slightly larger, the device-side connector 8
Can be moved within a limited range.

A cable (not shown) to the string control circuit is connected to the rear surface of the device side connector 8.

In this module storage section 73, the drive storage section of the L-shaped module 1 is replaced by the module storage section 7
The connector 3 is inserted into the back of the L-shape to be positioned, and the connectors 6 and 8 can be opposed to each other, which facilitates the connector connection.

Moreover, since the device side connector 8 is movable,
Even if there is an error such as inclination in the plug-in operation by hand,
It absorbs this and makes the plug-in operation easier.

Further, even when the module 1 is pulled out, the connectors 6 and 8 can be pulled out easily without applying excessive force.

As described above, the plug-in operation of the module 1 makes it possible to easily connect the host apparatus and the front surface of the module 1 is opened, so that the replacement and extension of the module 1 are further facilitated.

Since the device side connector 8 is movable, the connector connection by the plug-in operation of the module 1 becomes easy.

Since the module 1 is mounted on the locker 7 from the front surface to the rear surface so as to be back-to-back, high-density mounting is possible.

Since the top and bottom of the module 1 are opened and the storage portion 73 of the rocker 7 is also opened and closed, it is possible to form a duct structure that forms a cooling air passage in the vertical direction, and the cooling fan 7
2 improves the cooling efficiency.

Since the connection with the string control circuit or the like is performed on the back surface of the module 1, a connection cable is not required on the front surface of the module 1, and even if the module 1 is not partially mounted, the duct structure can be obtained by closing the door. Can be maintained and cooling can be performed efficiently.

(C) Description of Other Embodiments In addition to the above embodiments, the present invention can be modified as follows.

Although the depth of the drive accommodating portion is long and the depth of the control portion accommodating portion is short, the relationship may be reversed depending on the length of the drive.

The locker 7 is provided with the device side connector 8, but the cable may be directly connected to the connector 6 of the module 1 without providing the device side connector 8.

Although the magnetic disk device has been described, the present invention can be applied to other storage disk devices such as an optical disk device and a magneto-optical disk device.

The present invention has been described above with reference to the embodiments.
Various modifications are possible within the scope of the invention, and these modifications are not excluded from the scope of the invention.

[0083]

As described above, according to the present invention,
The following effects are obtained.

Since the dimensions of the drive mechanism section and the control section of the module in the depth direction are made different, the depth of the device can be shortened and the device can be downsized when the module is mounted on the back surface.

Since the drive mechanism section and the control section of the module are arranged in parallel, each section can be replaced easily and independently, and maintenance is also easy.

[Brief description of drawings]

FIG. 1 is a principle diagram of the present invention.

FIG. 2 is an exploded view of a module according to an embodiment of the present invention.

FIG. 3 is an exploded view of the drive according to the embodiment of the present invention.

FIG. 4 is an exploded view of a module according to an embodiment of the present invention.

FIG. 5 is a configuration diagram of a back panel according to an embodiment of the present invention.

FIG. 6 is a rear view of the module according to the embodiment of the present invention.

FIG. 7 is a configuration diagram of a magnetic disk device according to an embodiment of the present invention.

FIG. 8 is a mounting diagram of a module according to an embodiment of the present invention.

FIG. 9 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 1 magnetic disk module 2 magnetic disk drive mechanism section 3 power supply 4 circuit unit 5 back panel 6 connector 7 rocker 8 device side connector 10 frame

Claims (11)

(57) [Claims] 1. A disk drive mechanism section (2) for positioning a head by an access mechanism with respect to a rotating storage disk, and a control section (3, 4) for operating the disk drive mechanism section (2). In a storage disk module that is housed in a frame (10) and mounted from the front and rear surfaces of a locker (7) back to back, the frame (10) includes the disk drive mechanism section (2) and the control section (3). , 4) are arranged side by side so that the dimensions in the depth direction are different from each other. 2. The storage disk module according to claim 1, further comprising a connector (6) for connecting to a device-side connector (8) of the locker (7). 3. The frame (10) is provided with a back panel (5) for connecting the disk drive mechanism section (2) and the control section (3, 4) to each other. The storage disk module according to claim 2. 4. The disk drive mechanism section (2) comprises:
The disk drive body (20) is attached to the frame (21), and the guide rail (11) of the frame (10)
The storage disk module according to claim 1, 2 or 3, wherein the frame (21) is fitted in the disk drive mechanism part (2) to set the disk drive mechanism part (2). 5. The frame (21) is provided with a connector (23) for connection with the back panel (5), and the connector (23) is within a limited range with respect to the frame (21). 5. The storage disk module according to claim 4, wherein the storage disk module is movably provided. 6. The control unit (3, 4) comprises a power supply (3) and a circuit unit (4), and the power supply (3) and the circuit unit (4) are provided on the back panel (5). The storage disk module according to claim 3, wherein the storage disk module is connected. 7. The frame (10) is provided with the disk drive mechanism section (2), the power source (3) and the circuit unit (4) arranged vertically and laterally side by side. 7. The storage disk module according to claim 6, wherein the upper and lower sides of (10) are opened. 8. A disk drive mechanism section (2) for positioning a head by an access mechanism with respect to a rotating storage disk, and a control section (3, 4) for operating the disk drive mechanism section (2). Locker (7) for storage disk module (1) housed in frame (10)
In a plurality of storage disk devices housed in the above, the disk drive mechanism section (2) and the control section (3, 4) are provided side by side in the frame (10) so as to have different dimensions in the depth direction. A storage disk device, wherein the storage disk module (1) is mounted on the locker (7) such that the front surface and the rear surface of the locker (7) are aligned back to back. 9. A device side connector (8) for connecting a connector (6) to the storage disk module (1) and connecting to the connector (6) of the storage disk module (1) to the locker (7). 9. The storage disk device according to claim 8, further comprising: 10. The storage disk device according to claim 9, wherein the device-side connector (8) is provided movably within a limited range of the locker (7). 11. The storage disk module (1)
9. The storage disk device according to claim 8, wherein the locker (7) has a duct structure in which the cooling air passages are vertically housed in the locker (7) in multiple stages.