JPH0553690A - Computer - Google Patents

Abstract

PURPOSE:To easily exchange an auxiliary storage device in a short time without disconnecting the power supply even when the system is in operation in the computer. CONSTITUTION:A lock lever 11 the edge part of which is engaged with a computer 2 at the time of mounting and is disengaged from it at the time of removal by sliding is provided to a detachable disk unit 1 with a built-in disk driver 13. A current supply control switch 16 linking with the lock lever 11 and stopping the current supply to the disk driver 13 when the disk unit 1 is removed from the computer 2 is provided. Accordingly, sliding the lock lever 11 enables the removal of the disk unit 1 and stops the current supply to the disk unit 1, resulting in one-touch exchange of the disk unit 1 without disconnecting the power supply of the computer 2 for every exchange.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer device having a detachable auxiliary storage device for storing data by driving a storage medium with a supply current.

[0002]

2. Description of the Related Art In a conventional computer device, an auxiliary storage device such as a hard disk unit is multiplexed in order to increase the reliability of data storage, and the same data is stored in a plurality of auxiliary storage devices, so that the same data is stored. There is a device that backs up data.

In such a computer device, even if one auxiliary storage device fails, the system can be continued by backing up the data in the other auxiliary storage devices.

[0004]

By the way, in such a conventional computer device, when a certain auxiliary storage device among the multiplexed auxiliary storage devices fails, the auxiliary computer fails in order to improve the reliability of this device. It is necessary to replace the auxiliary storage device with a new one.

However, in such a computer device, when the auxiliary storage device is replaced, the system,
In other words, it is necessary to stop the application software running on the computer device, and because the casing of the auxiliary storage device is screwed to this device, it is necessary to disassemble the casing, which requires a short time. There is a problem that the replacement work is very difficult.

Therefore, the present invention has been made by paying attention to such a problem, and when the auxiliary storage device fails,
An object of the present invention is to provide a computer device in which the auxiliary storage device can be easily replaced in a short time without requiring complicated operations such as turning off the power and disassembling the housing even when the system is in operation. ..

[0007]

To achieve the above object, the present invention comprises an auxiliary storage device which is detachably connected via a connector and which drives a storage medium by a supply current to store data. In computer equipment,
A lock lever provided on the auxiliary storage device, the end portion of which is projected toward the computer device side or retracted into the auxiliary storage device, and the end portion of which is engaged or disengaged with the computer device; A current supply control that is provided in the storage device and that interlocks with the lock lever to stop the current supply to the auxiliary storage device when the end of the lock lever is disengaged from the computer device. A switch and a ground pin provided in the connector of the auxiliary storage device or the computer device and projecting from other signal pins are provided.

[0008]

In the above structure, when the auxiliary storage device is detached from the computer device, if the end portion of the lock lever is disengaged from the computer device, the auxiliary storage device can be detached, and at the same time, the auxiliary storage device can be detached. A current supply control switch provided inside the switch interlocks with the lock lever to stop the current supplied to the driver in the auxiliary storage device.

Therefore, it is not necessary to stop the power supply of the computer device, and the auxiliary storage device is always removed after the current supply to the auxiliary storage device is stopped.

Further, since the ground pin in the connector on the side of the auxiliary storage device or the computer device protrudes longer than other pins such as signal pins, the ground pin must be different from the other pins when the auxiliary storage device is attached or detached. The signal and data passing through each signal pin are stabilized by entering earlier and leaving later.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a computer device according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an external appearance of a hard disk unit (hereinafter referred to as a disk unit) 1 which is an auxiliary storage device and a portion of the computer device 2 in which the disk unit 1 is built.

The computer device 2 is a multiplex disk device in which the same data is stored in two disk units 1 to back up the data to improve the reliability of data storage. Slots 3 for mounting disk units are provided at two locations so that each disk unit 1 can be built in.

The front surface 1a of the disk unit 1 is slidable along the front surface, and when it is slid rightward in the drawing, the engaging end portion 11a is formed on the right side surface 1b of the disk unit 1.
Is provided so that the lock lever 11 is engaged with the engaged portion 4 formed on the inner wall of the slot 3 of the computer device 2. Further, when the lock lever 11 is slid to the left in the drawing, the engaging end 11a does not project and is housed in the disc unit 1.

FIG. 2A shows the insertion side, that is, the rear side surface of the disk unit 1. As shown in the drawing, a large number of signal pins for inputting data and a ground for grounding to supply power. A connector having (GND) pins (hereinafter,
A unit side connector) 12 is provided.

(B) shows the unit-side connector 12 in an enlarged manner, and eight pins on both left and right sides in the drawing are provided as ground pins 12a. The ground pin 12a has a larger pin length than the other signal pins 12b, and has a sequence of so-called first-in / first-out.

FIG. 3 shows the configuration of the slot of the computer apparatus 2 and the disk unit 1. The slot side of the computer apparatus 2 is used for data transfer with the disk unit 1 and power supply. There is provided a disk / power supply bus 21 and a connector (hereinafter, referred to as a main body side connector) 22 that is connected to the disk / power supply bus 21 and is coupled to the unit side connector 12.

On the other hand, the disk unit 1 includes, in addition to the lock lever 11 and the unit side connector 12 described above,
A disk driver 13 for storing data by rotating a hard disk 13a, which is generally made of metal, a disk bus 14 for transmitting data between the disk driver 13 and the unit side connector 12, and a disk from the computer device 2 side. It has a power supply bus 15 for supplying a current to the driver 13 and a current supply control switch 16 for interlocking with the lock lever 11 to turn it on and off to cut off the power supply bus 15.

FIGS. 4 (a) and 4 (b) show the connection state between the lock lever 11 and the current supply control switch 16, respectively. The lock lever 11 and the current supply control switch 1 are shown in FIG.
6 switch pieces 16a are connected via a connecting rod 16b. It should be noted that (a) shows that the lock lever 11 is slid to the right in the figure and the current supply control switch 16 is on, and (b) shows that the lock lever 11 is slid to the left in the figure and the current supply control switch is on. 16 indicates an off state.

Next, the operation of the disk unit 1 when the disk unit 1 configured as described above is attached to or detached from the computer device 2 will be described.

First, when the disk unit 1 is attached to the computer device 2, the lock lever 11 is slid to the left in the figure as shown in FIG. 4B, the current supply control switch 16 is turned off, and The disk unit 1 is inserted into the slot 3 (see FIG. 1).

At this time, since the ground pin 12a of the unit side connector 12 is longer than the other signal pin 12b, it is connected to the main body side connector 22 before the other signal pin 12b, and passes through each signal pin 12b to the disk unit. 1
The signal input to is stable and the signal is not disturbed when the disk unit is attached.

After the unit side connector 12 is completely connected to the body side connector 22, the lock lever 11 is slid to the right in the figure as shown in FIG. Projects from the inside of the disk unit 1 to the engaged portion 4 (see FIG. 1), and the current supply switch 16 is turned on.

Therefore, the disk unit 1 is fixed to the slot 3 of the computer device 2, and the disk driver 13 is supplied with an electric current to rotate the hard disk 13a, so that data can be recorded on the disk 13a. Become.

On the other hand, when removing the disk unit 1 from the computer device 2, first, as shown in FIG. 4B, the lock lever 11 is slid to the left in the figure,
The current supply switch 16 is turned off, and the engaging end portion 11a is housed in the disk unit 1.

Then, the current supplied to the disk driver 13 is stopped, the rotation of the hard disk 13a is stopped, the fixing of the disk unit 1 to the computer apparatus 2 is released, and the disk unit 1 can be removed. .. When the disk unit 1 is removed, the ground pin 12a comes off after the other signal pins 12b.

Therefore, according to the present embodiment, when the disk unit 1 is detached, the signal passing through each signal pin 12b of the connector 12 becomes stable and affects the input or output signal of another operating disk unit 1. Will not be given.

Further, according to this embodiment, the lock lever 1
Since the disk unit 1 can be removed only after the power supply of the disk unit 1 is stopped by the one-touch operation of No. 1, the power supply of the main device, that is, the computer device side, is stopped, that is, the system that is temporarily running is shut down. The hard disk 13a will not be stopped
It is also possible to remove the disk unit 1 while the disk is rotating and to damage the disk due to vibrations and shocks at that time to destroy the data.

Therefore, in the computer device having the duplicated disk unit as in this embodiment,
When one disk unit fails, the system is run on another disk unit, but even if you remove and replace the failed disk unit during execution,
You can switch to a new disk unit without shutting down the running system by turning off the power of the main computer unit.

In this embodiment, the description has been given of the multiplexing system in which the two disk units which are the auxiliary storage devices are provided. However, in the present invention, even if the disk unit is adopted in one computer device, the disk unit is also used. 2 units
It may be adopted in a multiplex system such as triple, quadruple, ...

Further, in the present embodiment, the disk unit is described as being built in the computer apparatus, but in the present invention, the disk unit may be externally connected outside the computer apparatus.

In the present embodiment, the ground pin in the unit side connector is set longer than the other signal pins, but in the present invention, the ground pin in the main body side connector is set longer than the other signal pins. You may.

Furthermore, in the present embodiment, the auxiliary storage device has been described as a hard disk unit using a hard disk made of metal as a storage medium. However, in the present invention, the storage medium is a floppy disk, magnetic tape, or An auxiliary storage device such as a floppy disk unit which is a magneto-optical disk, a magnetic tape unit, and a magneto-optical disk unit may be used.

[0034]

As described above, according to the present invention, in the removable auxiliary storage device, the lock lever which is engaged or disengaged with the computer device and the lock lever which is interlocked with the lock lever are connected to the computer. Since the current supply control switch for stopping the current supply to the auxiliary storage device when the device is disengaged is provided, the lock lever can be disengaged from the computer device to remove the auxiliary storage device. For example, when this auxiliary storage device can be removed, the current supply to the auxiliary storage device is stopped at the same time,
The auxiliary storage device can be removed only after the current supply to the auxiliary storage device is stopped.

Therefore, according to the present invention, the auxiliary storage device is mistakenly removed while the storage medium such as a disk is being driven, and the storage medium is not damaged by the vibration or shock at that time, so that the data is not destroyed. In addition, the auxiliary storage device can be replaced without stopping the main power source of the computer device one by one.

Further, since the ground pin of the connector on the auxiliary storage device side or the computer device side is made longer than the other signal pins, the auxiliary storage device comes in first and comes out later when the auxiliary storage device is attached or detached. The passing signal is stable.

[Brief description of drawings]

FIG. 1 is a perspective view showing the appearance of a computer device according to the present invention and a disk unit that is an auxiliary storage device.

FIG. 2 is an explanatory view showing a rear side surface of a disk unit and a connector, respectively.

FIG. 3 is an explanatory diagram showing a configuration of a slot and a disk unit of a computer device.

FIG. 4 is an explanatory diagram showing a connection state between a lock lever and a current supply control switch.

[Explanation of symbols]

 1 Hard Disk Unit (Auxiliary Storage Device) 2 Computer Device 3 Slot 11 Lock Lever 11a Engaging End (End) 12 Connector 13 Disk Driver 13a Hard Disk (Storage Medium) 14 Disk Bus 15 Power Supply Bus 16 Current Supply Control Switch 21 Disk Power bus 22 connector

Claims (1)

[Claims] 1. A computer device, which is detachably connected via a connector and has an auxiliary storage device for storing data by driving a storage medium by a supply current, wherein the auxiliary storage device is provided with an end portion. A lock lever that protrudes toward the computer device side or is retracted into the auxiliary storage device and whose end is engaged or disengaged with the computer device; and a lock lever provided in the auxiliary storage device and interlocked with the lock lever. By doing so, a current supply control switch for stopping the current supply to the auxiliary storage device when the end portion of the lock lever is disengaged from the computer device, and the auxiliary storage device or the computer device. And a ground pin that is provided in the connector and that projects from other signal pins. Computer device.