JPH0751743Y2 - Connector device for live maintenance - Google Patents

Description

[Detailed description of the device]

[Summary] A connector device for live maintenance that enables the connector that connects the device body and the I / O mounting frame in an electronic device such as a computer to be inserted and removed in a live state. The connector device that connects the device body and the I / O mounting frame with the power supply connector and the signal connector is designed to accurately determine the insertion / removal order without changing the A moving mechanism that has a spring and moves forward and backward by a predetermined amount is provided on either one of the I / O mounting frames, and the power source connector is attached to the moving mechanism in a free state by protruding from the signal connector by a spring. The spring repulsive force of the spring is set to be larger than the insertion / extraction force of the power supply connector.

[Industrial applications]

The present invention relates to a live-maintenance connector device capable of inserting and removing a connector for connecting an apparatus body and an I / O mounting frame in an electronic device such as a computer in a live state. Generally, in a computer, an I / O mounting frame such as a Winchester disk drive is connector-connected to the main body of the apparatus, and only this I / O mounting frame may be separately maintained and inspected. When the power of the device main body is turned off during maintenance of such I / O mounting frame, the operation rate decreases, so in recent years it has been called a non-top computer and the power supply of the device main body is turned on to keep the live state while mounting the I / O. There is a tendency to separate the frame and perform maintenance to improve the operating rate. By the way, in the case of the above-mentioned live maintenance, the power connector and the signal connector that connect the I / O mounting frame and the main body of the device are hot-plugged and unplugged. Or, if the signal connector is inserted and connected before inserting, the I / O mounting frame will be the one that only inputs the signal with the power off. In that case, in the element of the I / O mounting frame, signal current may flow to the power supply side and cause a short circuit or other damage.Therefore, when pulling out the hot-plugging / unplugging the signal connector first, and when inserting the power supply It is necessary to operate the connector first and set the insertion / removal order so that the elements of the I / O mounting frame are always kept in the power supply state.

[Prior art]

Therefore, as a conventional connector device applied to the above-mentioned live maintenance, there is one shown in FIG. That is, reference numeral 1 is the main body of the apparatus, and the housing 2 has a power connector 3a and a signal connector.
4a is projected. Reference numeral 5 is an I / O mounting frame, and a housing 6
The power supply and signal connectors 3b and 4b are provided on the cable, and the connectors 3b and 4b are connected to the I / O device 80 by the cable 7. Inside, a device 8 such as TTL or C-MOS is installed. Here, the stroke H ₁ of the pin 3c on the power supply side is set longer than the stroke H ₂ of the pin 4c on the signal side in order to determine the order of hot-plugging and unplugging. This allows signal contacts with short pin strokes to be pulled out and inserted during live maintenance, connectors 4a and 4b to be inserted first, and power contacts with long pin strokes to be pulled out and connectors 3a and 3b to be inserted first. Of.

[Problems to be solved by the device]

By the way, in the above-mentioned conventional example, since the order of hot-plugging and unplugging is determined by the increase of the pin stroke on the power source side, the force for inserting and pulling out the contacts for power source and the connectors 3a and 3b becomes remarkably large. This increase in the insertion / removal force becomes remarkable as the power supply capacity, the number of pins, etc. increase, and the imbalance with the signal side deteriorates the insertion / removal workability. Further, the contacts for power supply and the connectors 3a, 3b cannot be used for general purpose and need to be specially manufactured, which causes a problem of high cost. The present invention has been made in view of the above point, and an object thereof is to accurately determine the insertion / removal order without changing the structures of the signal and power connectors, the insertion / removal force, and improve the workability at low cost. An object of the present invention is to provide a live-maintenance connector device that can perform such maintenance.

[Means for Solving the Problems]

In order to achieve the above object, the connector device of the present invention is a connector device in which the device body 1 and the I / O mounting frame 5 are connected by the power supply connector 3b and the signal connector 4b. 5, a moving mechanism 10 having a spring 15 for moving forward and backward by a predetermined amount is provided, and the power source connector 3b is provided to the moving mechanism 10 in a free state.
Mounted so as to protrude from the signal connector 4b by 15, and the spring repulsive force W3 of the spring 15 is inserted and removed with the power connector 3b.
It is set larger than W2.

[Action]

Based on the above configuration, when inserting and removing signal and power connectors that connect to I / O, etc. during live maintenance, the power connector should be inserted quickly and pulled out by the stroke and spring force of the moving mechanism. Works slow. Thus, even if the signal connector and the power connector have substantially the same structure and insertion / removal force, they are inserted / removed in a predetermined order.

【Example】

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is an apparatus main body, 5 is an I / O mounting frame,
2, 6 are housings, 3a, 4a are power and signal contacts, 3
b and 4b are power and signal connectors, 7 is a cable, and 8 is a device. Where the power and signal connectors 3
Pin strokes of b and 4b are almost the same, and the former insertion and removal force W
Insertion / extraction force W ₁ of ₂ and the latter is set to W ₂ ≦ W ₁ . Therefore, while the signal connector 4b is directly fixed to the housing 6, the power connector 3b is attached to the housing 6 with a moving mechanism with a spring.
Mounted via 10. In this moving mechanism 10, a guide shaft 12 is erected on a concave member 11 of a housing 6, and a leg 14 of a mounting base 13 is fitted to the guide shaft 12 so as to move by a predetermined amount. A spring 15 is biased between the two. Then, the connector 3b is fixed to the mounting base 13. Here, the spring repulsive force W ₃ is set to have a relationship of W ₃ > W ₂ with respect to the insertion / removal force W ₂ of the connector 3b, and allows the connector 3b to be inserted before the spring 15 is compressed. It should be noted that in the housing 2 of the apparatus body 1, the power contact 3a
The amount of protrusion is adjusted by the convex member 16 in accordance with the amount of movement of the moving mechanism 10. The operation of this structure will be described with reference to FIGS. First, when the I / O mounting frame 5 is separated from the apparatus main body 1, the power supply connector 3b is most advanced by the spring 15 of the moving mechanism 10 as shown in (a) and protrudes forward from the signal connector 4b. There is. Therefore, when the I / O mounting frame 5 is moved toward the main body 1 of the device during the insertion of live maintenance, first the power source connector 3b protruding forward is brought into contact with the contact 3a as shown in (b), and W ₃ > Due to the relationship of W ₂ , the connector 3b in the protruding state is further inserted into the contact 3a to be plugged in and power is supplied to the I / O mounting frame 5. After that, when I / O mounting frame 5 is pushed in, as shown in (c), the contacts for power supply and connector 3
Insertion of a and 3b is completed and insertion of signal contacts and connectors 4a and 4b is started.After this, the spring 15 is compressed to retract the power supply connector 3b and the signal contacts and connectors 4a and 4b. Plugs in and a signal is input to the I / O mounting frame 5. In this way, when connecting the connector for the power source and the connector for the signal, it is as shown in (d). On the other hand, the I / O mounting frame 5 is used for the main unit 1 when pulling out the live maintenance.
As it moves away from, the spring repulsive force W3 of the moving mechanism 10 causes the power connector 3b with the power contact inserted,
Projecting from the signal connector 4b, the signal connector 4b immediately comes out of the contact 4a as shown in (c). On the other hand, the power supply connector 3b is held by the repulsive force W3 of the spring 15 with the contact 3a inserted, and the power supply connector 3b contacts after the spring 15 is most extended and the connector 3b reaches the original forward position. Get out of 3a. Thus, in this case
The signal is first cut to the I / O mounting frame 5, and then the power is turned off. The moving mechanism 10 may be provided on the apparatus body 1 side.

[Effect of device]

As described above, according to the present invention, the sequence of insertion / removal during live maintenance is set by the spring-loaded movement mechanism, and the signal and power connectors and contacts can have the same structure and insertion / removal force. , Good workability and cheaper. The stroke of the moving mechanism and the spring force can be used to easily and appropriately set the timing of inserting and removing the signal and the power supply. It is also preferable that the spring can absorb impacts and the like.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a connector device for hot maintenance of the present invention, FIGS. 2 (a) to 2 (d) are explanatory views showing a state of insertion and removal, and FIG. 3 is a view showing a conventional example. . In the figure, 1 is the main body of the apparatus, 3b is a power connector, 4b is a signal connector, 5 is an I / O mounting frame, 10 is a moving mechanism, and 15 is a spring.

Claims (1)

[Scope of utility model registration request] 1. A connector device for connecting a device body (1) and an I / O mounting frame (5) with a power connector (3b) and a signal connector (4b), wherein the device body (1) and I / O mounting On either side of frame (5)
A moving mechanism (10) having a spring (15) for moving forward and backward by a predetermined amount is provided, and a power source connector (3b) is provided to the moving mechanism (10) in a free state by a spring (15) for a signal connector (4b). ) The spring repulsive force (W3) of the spring (15) is set to be larger than the insertion / extraction force (W2) of the power supply connector (3b).