JPH08102590A - Electronic rack - Google Patents

Abstract

(57) [Summary] [Object] The present invention relates to an electronic rack device used for communication equipment, and an object thereof is to improve reliability of power supply to each electronic device unit. [Structure] A frame 31 having a hollow rear pillar 36 and four electronic device units 32 _{-1 to} 32 _-4 mounted on the frame 31 in a stacked state. The frame 31 has a power supply bus bar 45 extending vertically inside a rear pillar 36, and power supply connectors 51 _{-1 to} 51 _-4 connected to the power supply bus bar 45 on the front surface side of the rear pillar 36. Have. The power supply connectors 51 _{-1 to} 51 _-4 are provided at heights corresponding to the respective electronic device units 32 _{-1 to} 32 _-4 to be mounted. Each electronics unit 32 _-1 to 32 _-4, has a power reception connector 62 on the back of backboard. Electronic device unit 32
_{When -1} to 32 _-4 mounted on rack frame 31 is configured to power reception connector 62 is connected to the corresponding power supply connector 51 ₁ and the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic rack device constituting communication equipment, and more particularly to a system for supplying electric power to an electronic equipment unit constituting the electronic rack device.

Generally, a communication facility has a structure in which a plurality of electronic racks are installed side by side, and a signal cable and a power supply bus bar are arranged between the side surfaces of adjacent electronic racks.

In recent years, communication equipment is required to be downsized.

Along with this, the distance between adjacent electronic frames tends to be narrowed.

Therefore, it is desired to realize a structure capable of forming the power supply path with high reliability even when the space between the adjacent electronic frames is narrowed.

[0006]

2. Description of the Related Art FIG. 22 shows an example of a conventional electronic frame device 10 disclosed in Japanese Patent Laid-Open No. 4-283996.

The electronic frame device 10 has a frame 11 installed on the floor, and a plurality of electronic device units 12 _{-1 to} 12 _-6 mounted on the frame 11 and stacked.

The frame 11 has a power receiving terminal board 13 at the lowest position.
Have.

Each of the electronic equipment units 12 _{-1 to} 12 _-6 includes
Unit power busbars 14 _{-1 to} 14 _{-6 on} both sides
Is attached.

Further, each electronic equipment unit 12 _{-1 to} 12 _-6
The plurality of plate-shaped electronic circuit packages 15 are housed side by side in the vertical direction.

Next, each electronic equipment unit 12 _{-1 to} 12 _-6
Let's look at the power supply route to.

Reference numeral 20 is a power supply cable, which is pulled out from a main power supply (not shown).

The power supply cable 20 is connected to the power receiving terminal board 13.

With respect to the unit power supply bus bars 14 _{-1 to} 14 _-6 , the power supply is as follows: power receiving terminal board 13-electric wire 21-unit power supply bus bar 14 _-1 -electric wire 23-unit power supply bus bar 14 _-2 -electric wire 25 -Unit power supply bus bar 14 _-2 ...- Unit power supply bus bar 14 _-6 is supplied.

Power is supplied to the electronic device unit 12 _-1 from the unit power source bus bar 14 _-1 through the electric wire 22.

Power is supplied to the electronic equipment unit 12 _-2 from the unit power bus bar 14 _-2 through the electric wire 24.

That is, each electronic device unit 12 _{-1 to} 12 _-6
Power is supplied to each of the units from the unit power source bus bars 14 _{-1 to} 14 _-6 provided therein.

A plurality of electronic racks 10 are installed side by side, and a columnar space (not shown) is formed between the opposite side surfaces of adjacent electronic racks 10.

Power supply bus bar 14 _-1 to 1 for the above unit
4 _-6 is positioned above columnar space.

A large number of signal cables extend in the vertical direction and are laid in the columnar space.

[0021]

SUMMARY OF THE INVENTION The electronic rack device 10 described above.
In the above, the work of forming the power supply path needs to be performed separately from the work of mounting the electronic device units 12 _{-1 to} 12 _-6 on the frame 11.

Moreover, this work is a troublesome work for connecting the electric wires 21 to 25.

Furthermore, since the working space is small, it is difficult to work.

As described above, in the work of installing the communication equipment, the electronic equipment units 12 _-1 to 12 _-1 of the electronic frame device 10 are installed.
Since it is necessary to perform a work for forming a power feeding path to 2 _-6 , and this work is difficult to perform, the installation workability of the electronic rack device 10 is not good.

The unit power bus bars 14 _-1 to 1
Since 4 _-6 is exposed, the unit power supply bus bar 14
_{-1 to} 14 _-6 and the signal cable are liable to interfere with each other, and the power feeding path has a problem in reliability.

Therefore, an object of the present invention is to provide an electronic rack device that solves the above problems.

[0027]

The invention according to claim 1 has a frame having hollow columns, a backboard on the back side, and an electronic circuit package inserted and accommodated from the front side. A plurality of electronic device units mounted in a stacked state on the frame, the frame having one end connected to a power cable and extending inside the hollow column. A power supply bus bar provided at present, and a plurality of power supply connectors electrically connected to the power supply bus bar and provided at positions corresponding to the heights at which the electronic device units are mounted, Each of the above electronic device units,
A configuration in which the backboard side has a power supply / reception connector electrically connected to the backboard, and the power supply / reception connector is connected to the power supply connector in a state where the electronic device units are mounted. It was done.

According to a second aspect of the present invention, the frame has a hollow rear pillar arranged on the rear side, the power bus bar is provided in the rear pillar, and the power supply connector is provided. But,
It is configured to be attached to the front side of the rear pillar.

The invention according to claim 3 is a frame having a base,
The electronic device includes a backboard on the back side, an electronic circuit package inserted and housed from the front side, and a plurality of electronic device units mounted on the frame in a stacked state. Has a lower bus bar that is connected to a power cable and is provided on the base and has a connecting portion on the upper portion, and each electronic device unit has an internal A unit power supply bus bar having a length approximately equal to the height of the electronic device unit, an upper end side connecting portion on the upper end side, and a lower end side connecting portion on the lower end side, and the unit power source bus bar and the backboard. And an electric wire for connecting the electronic equipment unit at the lowest position, the lower end side connecting portion of the unit power supply bus bar of the electronic equipment unit is connected to the connecting portion of the lower bus bar. Further, in a state in which the electronic device unit is mounted at a position other than the lowermost position, the lower end side connection portion of the unit power supply bus bar of the electronic device unit is mounted immediately below the unit power supply bus bar of the electronic device unit. It is configured to be connected to the upper end side connection portion of.

The invention according to claim 4 is a frame having a base,
Having a backboard on the back side, having an electronic circuit package inserted and accommodated from the front side, the frame, a plurality of electronic device units mounted in a stacked state,
The frame includes a plurality of connection plugs connected to each other, the frame is connected to a power cable, is provided on the base, and has a lower bus bar having a connection portion at an upper portion. , Inside thereof, at a side and front side portion, has a length substantially equal to the height dimension of the electronic device unit, and the upper end side has an upper end side connecting portion and the lower end side has a lower end side connecting portion. A unit power supply bus bar having
A unit of the mounted electronic device unit, which has an electric wire connecting the unit power bus bar and the backboard, and in which the electronic device unit is mounted at the lowest position, the connection plug is inserted The lower end side connection portion of the power supply bus bar is electrically connected to the connection portion of the lower bus bar via the connection plug, and the electronic device unit is mounted at a position other than the lowermost position, and the connection is made. The lower end side connection portion of the unit power supply bus bar of the electronic device unit mounted with the plug inserted therein is connected to the upper end side of the unit power supply bus bar of the electronic device unit mounted immediately below via the connection plug. It is configured to be connected to the connecting portion.

According to the invention of claim 5, the electronic equipment unit is
On the side where the unit power source bus bar is provided, a side plate attached by screwing is provided.

According to a sixth aspect of the present invention, there is further provided a protective member attached so as to cover the upper end side connecting portion of the unit power source bus bar of the electronic equipment unit mounted at the uppermost position.

[0033]

According to the electronic frame apparatus of claim 1, when the frame is provided with the power supply connector and the electronic equipment unit is provided with the power supply connector, when the electronic equipment unit is mounted on the frame, the electronic equipment unit is connected to the electronic equipment unit. It acts so that a power feeding path is formed.

A power supply bus bar is provided in the rear pillar of claim 2,
Similarly, the configuration in which the power supply connector is provided on the front surface side of the rear pillar acts to minimize the length of the power supply path from the power supply bus bar to the power supply connector.

In the electronic frame apparatus of claim 3, a lower power source bus bar is provided in the frame, a unit power source bus bar is provided in each electronic device unit, and the unit power source bus bar is provided with connection portions at upper and lower ends thereof. When the electronic device unit is mounted on the frame, the device operates so that a power feeding path to the electronic device unit is formed.

In the electronic frame apparatus of claim 4, a lower power source bus bar is provided on the frame, a unit power source bus bar is provided on the front side of each electronic device unit, and the unit power source bus bar has connecting portions on the upper and lower ends thereof. With this configuration, the electronic device unit is mounted on the frame, and then the connection plug is attached from the front side to form a power supply path to the electronic device unit.

In the electronic rack apparatus according to the fifth aspect, the structure in which the side plate of the electronic equipment unit is screwed works so that the side plate can be easily removed as necessary.

In the electronic rack device according to the sixth aspect, the protection member acts to insulate the exposed upper end side connection portion of the unit power source bus bar of the electronic equipment unit mounted at the uppermost position from the outside. .

[0039]

【Example】

[First Embodiment] As shown in FIG.
It has a frame 31 and four electronic device units 32 _{-1 to} 32 _-4 .

A plurality of electronic racks 30 are installed side by side on the floor, and communication equipment is constructed.

First, the frame 31 will be described.

The frame 31 includes a base 33, two front left and right front columns 34, 35 standing on the base 33, two rear left and right rear columns 36, 37, and a top plate. 38 and.

As shown in FIG. 3, rails 39 are mounted on the left and right sides of the base 33 while being supported on supporting legs 40.

Reference numeral 45 denotes a power source bus bar which is an essential part of the present invention, and is fixed to the inner surface of the rear pillar 36 having a hollow U-shaped cross section (see FIG. 4) and incorporated in the rear pillar 36. The rear pillar 36 extends from approximately the top to the bottom.

The electronic device unit 32 _{-1 and the} like have a power source-45.
It is driven by V and G and has a safety ground. For this reason,
As shown in an enlarged view in FIG. 3, the power supply bus bar 45 has a structure in which three conductive layers 46, 47 and 48 are laminated with insulating layers 49 and 50 sandwiched therebetween.

Here, the conductive layers 46, 47 and 48 are made of a tough pitch copper plate. The insulating layers 49 and 50 are made of polyester.

Reference numeral 51 denotes a power supply cable, which is pulled out from a main power supply (not shown), extends along the top plate 38 of the frame 31, enters the rear pillar 36, and supplies power. It is connected to the upper side of the bus bar 45.

Reference numerals 52 _{-1 to} 52 _-4 are power supply connectors which form an essential part of the present invention. Particularly, as shown in FIG.
Of the above, when the electronic device units 32 _{-1 to} 32 _-4 are mounted, the electronic device units are attached to positions P _{1 to} P ₄ facing the power supply connector, which will be described later, of the electronic device unit.
6 protrudes to the front side.

[0049] Each power supply connector 52 _-1 to 52 _-4 by wire 53 _-1 to 53 _-4 respectively three, power bus bars 4
It is connected to the part in the middle of 5. Electric wire 53 _{-1 to} 53
_-4 has a short length L (see FIG. 4) and is present inside the rear column 36.

Next, the electronic device unit 32 _{-1 and the} like will be described.

The electronic equipment unit 32 _-1 is shown in FIGS.
As shown in FIG. 5, it has a box body 60, a backboard 61 _-1 , a power supply receiving connector 62 _-1 , which is an essential part of the present invention, and a plurality of electronic circuit packages 63.

The box 60 has left and right side plates 65 and 66, upper and lower front rungs 67 and 68 with guide rails, and back up and down rungs 69 (the other side is not shown).

The box body 60 has handles 70 and 71 on the left and right sides of the front face, rails 72 and 73 on the upper ends of the left and right side plates 65 and 66, and groove portions on the lower ends of the left and right side plates 65 and 66. 74 (other not shown).

The backboard 61 _-1 has a structure in which a plurality of connectors 80 are arranged on the front side of the backboard 61-1.
It is attached to the back side of 0.

The power receiving connector 62 _-1 is provided in the electronic device unit 32 at the left end portion of the backboard 61 _-1.
-It is fixed by protruding to the back side of _-1 and backboard 6
1 _-1 in the power supply pattern (not shown) are electrically connected.

The electronic circuit package 63 has its upper and lower ends guided and supported by the guide rails of the upper and lower horizontal rails 67 and 68, and the connector 81 on the front end side is connected to the connector 80. They are housed side by side within the body 60.

The plurality of electronic circuit packages 63 are electrically connected by the backboard 61 _-1 , and the electronic device unit 32 _-1 is functionally integrated.

Positioning pins 82 and 83 project from the tips of the rails 72 and 73.

The other electronic equipment units 32 _{-2 to} 32 _-4 are
Having electronics unit 32 ₁ and substantially the same structure described above, a back board 61 _-2 to 61 _-4 and power reception connector 62 _-2 to 62 _-4.

Next, the assembling of the electronic frame device 30 and the formation of the power feeding path associated with the assembling will be described.

The electronic frame device 30 is assembled in the following procedure.

[Factory] The frame 31 is assembled and the electronic device unit 32 is installed.
Assemble _{-1 to} 32 _-4 .

With respect to the frame 31, an empty electronic device unit in which an electronic circuit package is not housed 32 ₋₁ ,
32 _-2 , 32 _-3 , 32 _-4 are mounted in this order from bottom to top.

The electronic device units 32 _{-1 to} 32 _-4 are pushed into the frame 31 while being guided on the left and right sides by the rails 39, 72 and 73, and the pins 82 and 83 are inserted into the rear column 3.
6 is fitted in the hole 84 and positioned and mounted.

At the final stage of mounting, the power supply receiving connector 62 is connected to the corresponding power supply connector 51 _-1 or the like.

Therefore, it is not necessary to electrically connect the power supply bus bar 45 to each of the electronic equipment units 32 _{-1 to} 32 _-4 .

Finally, the electronic circuit package 63 is
Store in each empty electronics unit.

The electronic circuit package 63 may be housed in an empty electronic device unit and then the electronic device unit may be mounted on the frame 31.

[Site] The electronic frame device 30 is installed on the site.

Connect the power cable 51 to the power bus bar 4
Connect to the top side of 5.

The signal cable 90 is guided into the columnar space between the adjacent electronic rack devices 30, and the electronic circuit package 6 of each of the electronic device units 32 _{-1 to} 32 _-4.
Connect to 3.

As described above, the assembly of the electronic frame device 30 is completed, and the communication equipment is completed.

The electronic frame device 30 is as shown in FIG.

The power supply bus bar 45 is located inside the rear pillar 36, and since the wall portion of the rear pillar 36 exists between the power supply bus bar 45 and the signal cable 90, the signal cable 90 and the power supply bus bar. It does not interfere with 45. Therefore, it is safe.

The power supply path of the electronic frame device 30 is schematically shown in FIG.

Electronic equipment unit 32 at the lowest position of the main power source
_-Power supply path to _-1 .

Main power supply-Power supply cable 51-Power supply bus bar 45-Electrical wire 53 _-1 -Power supply connector 51 _-1 -Power supply receiving connector 62 _-1 -Backboard 61 _-1 Power supply to main electronic device unit 32 _-2 Route.

Main power supply-Power supply cable 51-Power supply bus bar 45-Electrical wire 53 _-2 -Power supply connector 51 _{-2 -Power} supply receiving connector 62 _-2 -Backboard 61-2 _-Power supply to electronic device unit 32 _{-3 of} main power supply Route.

[0079] The main power - power cable 51- Power bus bar 45- wire 53 _-3 - power supply connector 51 _-3 - power reception connector 62 _-3 - backboard 61 _-3 mains uppermost position of the electronics unit _32-4 Power supply path to.

Main power supply-Power supply cable 51-Power supply bus bar 45-Electrical wire 53 _-4 -Power supply connector 51 _{-4 -Power} supply receiving connector 62 _-4 -Backboard 61 _-4 Electronic device units 32 _{-1 to} 32 _-4 Even when the work of mounting the power supply on the frame 31 is performed on site, the work of forming the power feeding path is unnecessary.

Although not shown in FIG. 1, the electronic rack device 30 also has the same power supply path as above on the right side surface. This power supply path is for emergency use.

Second Embodiment FIGS. 5 to 12 show an electronic rack device 100 according to a second embodiment of the present invention.

In each drawing, the same components as those shown in FIG. 1 are designated by the same reference numerals, and the components corresponding to those shown in FIG. 1 are designated by the same reference numeral with the suffix “A”.

The electronic frame apparatus 100 includes a frame 31A and four electronic equipment units 32A- ₁ to 32A- ₁ mounted in a stack.
32A _-4 .

In FIG. 6, for convenience of illustration, only two electronic equipment units are shown.

First, the frame 31A is shown in FIGS.
This will be described with reference to 8 and 9.

As shown in FIGS. 5 and 8, the cable duct 101 is provided on the base 33.

A power supply bus bar 51 passes through the cable duct 101.

8 and 9, reference numeral 102 denotes a lower bus bar, which has an L-shaped notch 102a and a convex portion 102b on the upper end side.

Each conductive layer forming the lower bus bar 102
Is a portion extending from the top surface of the convex portion 102b to the vertical side surface.
And the slit 102c as a connecting part_-1, 102c_-2,
102c _-3And a terminal 102 at a side surface.
d_-1, 102d_-2, 102d_-3Having.

The lower bus bar 102 has a U-shaped cutout 1
02a is exposed from the end of the rail 39, and the slit 10
2c- _{1 to} 102c- ₃ are attached to the inside of the support leg 40 in a state where the terminals 102d- _{1 to} 102d _{- 3} are exposed from the end of the rail 39 and the terminals 102d- _{1 to} 102d _{- 3} are exposed from the end of the support leg 40.

The end of the power cable 51 is connected to the terminal 102.
It is connected to d _{-1 to} 102 d _-3 .

Accordingly, the frame 31A has a structure in which power is supplied from the base 33 side.

Next, the electronic device unit 32A _-1 will be described mainly with reference to FIG.

The electronic device unit 32A _-1 mainly has a unit power source bus bar 105 _-1 and also has electric wires 106 _-1 ,
3 has the same structure as that of the electronic device unit 32 _-1 shown in FIG. 3 _except that it has 107 _-1 and 108 _-1 and does not have the power receiving connector in FIG.

The unit power supply bus bar 105 _-1 is shown in FIG.
As shown in (A), (B), and (C), it has a length 1 corresponding to the height dimension h of the electronic device unit 32A _-1 .

The unit power supply bus bar 105 _-1 has a terminal 11 protruding from each conductive layer at a substantially intermediate height position.
It has 0 _-1 , 111 _-1 , 112 _-1 .

The unit power supply bus bar 105 _-1 is shown in FIG.
In (B), an L-shaped notch 113 _-1 is provided on the right side of the upper end, and a convex portion 114 _-1 relatively formed by the notch 113 _-1 is provided on the left side of the upper end.

[0099] The convex portion 114 _-1, each conductive layer, as also shown in FIG. 12, ranging from the top surface of the projection 114 _-1 on a surface opposite to the notch 113 _-1, slits 115 _{- 1} , 11
6 _-1 , 117 _-1 are formed.

Further, the unit power supply bus bar 105 _-1 is
In FIG. 11B, an inverted L-shaped notch 118 _-1 is provided on the left side of the lower end, and this notch 118 is provided on the right side of the lower end.
_{-1 has} a convex portion 119 _-1 formed relatively.

This convex portion 119 _-1 has a conductive layer shown in FIG.
2, the fins 120 _-1 , 121 _-1 , 122 _-1 projecting from the notch 118 _-1 are provided.

The unit power source bus bar 105 _{-1 having the} above structure
However, it is attached to the left side surface and the front surface side of the inside of the box body 60.

The convex portion 114 _-1 is exposed at the end of the rail 72.

The fin 120 _{-1 and the} like are exposed at the end of the groove 74.

As shown in FIG. 10, the backboard 61 _-1
3 is not attached to the power receiving connector 62 _-1 in FIG. 3, and instead, the three terminals 123 are provided at the left end thereof.
_-1 , 124 _-1 , 125 _-1 are attached. This terminal 1
23 _-1 , 124 _-1 , 125 _-1 are electrically connected to a power source pattern (not shown) in the backboard 61.

[0106] 126 _-1, 127 _-1, 128 _-1 is a wire having a plug at each end, terminal 110 _-1 respectively once, 1
11 _-1 , 112 _-1 , extends in the direction of the backboard 61 _-1 , is stretched across the electronic device unit 32A _-1 , and the other end is connected to terminals 123 _-1 , 124 _-1 , 12
It is connected to 5 _-1 .

Reference numeral 130 denotes a side plate, which is attached by a screw 131.

Therefore, the side plate 130 can be freely removed. By removing the side plate 130, the electric wire 1
26 _-1 , 127 _-1 , 128 _-1 are connected to terminals 123 _-1 , 12
The work of connecting and wiring to 4 _-1 , 125 _-1 can be easily performed.

Other electronic device units 32A _-2 , 32
A _-3 and 32A _-4 have the same structure as the electronic device unit 32A _-1 .

Next, the assembling of the electronic rack device 100 and the formation of the power feeding path associated with the assembling will be described.

The electronic rack device 100 is assembled by mounting the electronic device units in the order of 32A _-1 , 32A _-2 , 32A _-3 , 32A _-4 while stacking them in order from the bottom.

Here, the formation of the feeding path will be described mainly with reference to FIG.

[0113] By pushing the rack frame in 31A along the electronics unit 32A _-1 rails 39, when mounting the electronics unit 32A _-1 in the lowermost position, in the final stage of mounting, the electronics unit 32A _-1 Fins 120 _-1 , 121 _-1 , 12 of the unit power busbar 105 _-1 of
2 _-1, as shown in FIG. 11, opposed to the lower bus bar 102 of the rack frame 31A side, the slit 102c _-1 ~102c _-3
Is inserted into.

As a result, the unit power supply bus bar 105 _-1 is electrically connected to the lower bus bar 102.

That is, when the electronic equipment unit 32A _-1 is mounted, at the same time, the backboard 61 _-1 of the electronic equipment unit 32A _-1 passes through the power source 126 _{-1, the} lower bus bar 102, the power cable 51, and the main power source ( (Not shown).

[0116] Then, when the electronics unit 32A _-2 mounted in stacked electronics unit 32A _-1, the unit power supply bus bar 105 _-2 are incorporated into electronics unit 32A within _-2 is mounted above It is electrically connected to the module power supply bus bar 105 _-1 electronics unit 32A in _-1.

[0117] That is, when mounting the electronics unit 32A _-2, and at the same time the electronics unit 32A backboard 61 _{-2 -2} wire 126 _-2, etc. - Unit power bus bar 105 _-1 - lower bus bar 102- power cable Via 51, it is electrically connected to a main power source (not shown).

Next, when the electronic device unit 32A _-3 is stacked and mounted on the electronic device unit 32A _-2 , the unit power supply bus bar 105 _-3 incorporated in the electronic device unit 32A _-3 is mounted first. It is electrically connected to the module power supply bus bar 105 _-2 electronics unit 32A in _2.

[0119] That is, when mounting the electronics unit 32A _-3, which the backboard 61 _-3 of the electronics unit 32A _-3 simultaneously, the electric wire 126 _-2, etc. - Unit power bus bar 105 ₂ - Unit power bus bar 105 _{- 1} -lower bus bar 102-electrically connected to a main power source (not shown) via a power cable 51.

Finally, the uppermost electronic device unit 32
When A _-4 is stacked and mounted on the electronic device unit 32A _-3 , the unit power supply bus bar 105 _-4 incorporated in the electronic device unit 32A _-4 is installed in the electronic device unit 32A _-3 previously installed. Unit power bus bar 105 _-3
Electrically connected to.

That is, when the electronic device unit 32A _-4 is mounted, at the same time, the electronic device unit 32A _-4 has the backboard 61 _-4 , the electric wire 126 _-4, etc.-the unit power source bus bar 105 _{-3 the} unit power source bus bar. 105 _-2 -unit power supply bus bar 105 _-1 -lower bus bar 102 -electrically connected to a main power supply (not shown) via a power supply cable 51.

Further, in FIGS. 5 and 6, reference numeral 135 denotes a protective metal member as a protective member, which covers the rail 39 of the electronic equipment unit 32A _{-4 at} the uppermost position and is screwed to the frame 31A by the screw 136. It is fixed and attached.

Rubber plate 13 adhered inside the protective metal member 135
7 is the unit power supply bus bar 105 _-FourThe upper end of the
It covers the part that is.

[Third Embodiment] FIGS. 12 to 20 show an electronic rack 200 according to a third embodiment of the present invention.

The electronic frame device 200 is a modification of the electronic frame device 100 according to the second embodiment.

In each drawing, the same components as those shown in FIGS. 4 to 11 are designated by the same reference numerals, and the corresponding components are designated by the same reference numerals.
The same reference numerals with "subscript A '" are attached.

The electronic rack apparatus 200 is different from the electronic rack apparatus 10 described above except that the lower bus bar and the unit power source bus bar are slightly different in shape and the connection plugs are provided accordingly.
Same as 0.

As shown in FIG. 17, the lower bus bar 102a does not have an L-shaped cutout at the upper end, and each conductive layer is
Slits 201, 202, 2 near the top of the front surface
Has 03.

As shown in FIGS. 18A, 18B, and 18C, the unit power source bus bar 105A ' _-1 has L at the upper and lower ends.
It does not have a V-shaped cutout.

The unit power supply bus bar 105A ' _-1 has slits 204, 205, 206 in the conductive layers in the vicinity of the lower end of the front surface, and similarly slits in the conductive layers in the vicinity of the upper end. 207, 208,
209.

As shown in FIG. 19, the slits 204 to 206 of the unit power source bus bar 105A'- ₁ are connected to the window 210.
It is more exposed, and the slits 207 to 209 are also exposed from the window 211.

Electronic device units 32A ' _{-1 to} 32A' _-3
After mounting the stacks on the frame 31A in a stacked state, as shown in FIG.
0 (A), (B), (C) connection plug 215,
As shown in FIG. 12, FIG. 14 and FIG.
From the front side of 0, the lower bus bar 102A 'and the unit power supply bus bar 105A' _-1 are connected to each other, and the unit power supply bus bar 105A'- ₁ and the unit power supply bus bar 105
Connect across A'- ₁ .

Thereby, for example, the electronic equipment unit 3
2A'- ₂ is a connection plug 215-unit power supply bus bar 105A'- ₁ -connection plug 215-lower bus bar 102
Main power (not shown) via A'-power cable 51
Electrically connected to.

The connection plug 215 is attached by a screw 216.
It is fixed by screwing.

[0135]

As described above, according to the first aspect of the invention, since the power supply path to the electronic equipment unit is formed by mounting the electronic equipment unit, the electronic equipment unit is used as the frame. There is no need for a very troublesome and troublesome work of electrically connecting the electronic device unit to the power cable after the mounting, and therefore, the installation of the electronic frame device can be performed with good workability.

Further, since it is not necessary to connect the electronic equipment unit to the power cable, it is not necessary to provide a space for this connecting work in advance, and therefore, the adjacent electronic frame devices are installed sufficiently close to each other. You can

Further, since the power supply bus bar is housed inside the pillar, the signal cable laid along the side surface of the frame does not interfere with the power supply bus bar, has a high degree of safety, and can supply power. The reliability can be improved.

According to the second aspect of the present invention, the power supply bus bar can shorten the length of the power supply path to the backboard, so that the drop of the supply voltage to each electronic device unit can be suppressed and the power supply can be suppressed. The reliability can be improved.

According to the third aspect of the invention, since the power supply path to the electronic equipment unit is formed by mounting the electronic equipment unit, the electronic equipment unit is mounted on the frame and then the electronic equipment unit is mounted. There is no need for a very troublesome and troublesome work of electrically connecting to the power cable, and therefore, the installation of the electronic rack device can be performed with good workability.

Further, since it is not necessary to connect the electronic equipment unit to the power cable, it is not necessary to provide a space for this connecting work in advance, and therefore, the adjacent electronic frame devices are installed sufficiently close to each other. You can

Further, since the power supply bus bar is housed inside the electronic equipment unit, the signal cable laid along the side surface of the frame does not interfere with the power supply bus bar, and has high safety and power supply. The reliability of supply can be improved.

According to the fourth aspect of the invention, since the power supply path to the electronic equipment unit is formed by mounting the connection plug from the front side after mounting the electronic equipment unit, the work for forming the power supply path is performed. Can be performed much more easily than in the past.

Further, it is not necessary to provide a space for forming the above-mentioned power supply path on the side surface side of the electronic frame device, and therefore, the adjacent electronic frame devices can be installed sufficiently close to each other.

Further, since the power supply bus bar is housed inside the electronic device unit, the signal cable laid along the side surface of the frame does not interfere with the power supply bus bar, and has high safety and power supply. The reliability of supply can be improved.

According to the invention of claim 5, the work of striking the electric wire between the unit power source bus bar and the backboard can be performed with good workability by removing the side plate.

According to the invention of claim 6, it is exposed.
The upper end side connection portion of the unit power supply bus bar of the electronic equipment unit at the uppermost position can be surely recorded to the outside, and the safety can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an electronic rack device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a schematic configuration of a power feeding path of the electronic frame device of FIG.

FIG. 3 is a diagram showing a frame and an electronic device unit in association with each other.

FIG. 4 is a diagram showing a state in which an electronic device unit is mounted and the electronic device unit is electrically connected to a power supply bus bar.

FIG. 5 is a perspective view showing an electronic rack device according to a second embodiment of the present invention.

6 is a side view of the electronic frame device of FIG.

FIG. 7 is a diagram showing a schematic configuration of a power feeding path of the electronic frame device of FIG.

FIG. 8 is a diagram showing the configuration of the lower side of the frame in FIG.

FIG. 9 is an enlarged view of a lower bus bar portion in FIG.

10 is a diagram showing an electronic device unit in FIG.

11 is a diagram showing a unit power supply bus bar in FIG.

FIG. 12 is a diagram for explaining electrical connection between the unit power supply bus bar and the lower bus bar and electrical connection between the unit power supply bus bars.

FIG. 13 is a perspective view showing an electronic rack device according to a third embodiment of the present invention.

14 is a side view of the electronic frame device of FIG. 13. FIG.

15 is a diagram showing a schematic configuration of a power feeding path of the electronic rack device of FIG.

16 is a diagram showing a lower side of the frame in FIG. 13. FIG.

FIG. 17 is an enlarged view showing a lower bus bar portion in FIG. 16;

FIG. 18 is a diagram showing an electronic device unit in FIG. 13.

19 is a diagram showing a unit power supply bus bar in FIG. 18. FIG.

FIG. 20 is a diagram for explaining electrical connection between the unit power supply bus bar and the lower bus bar and electrical connection between the unit power supply bus bars.

FIG. 21 is a diagram showing a connection plug in FIG. 20.

FIG. 22 is a diagram showing an example of a conventional electronic frame device.

[Explanation of symbols]

30 electronic frame device 31A frame 32 _{-1 to} 32 _-4 32A _{-1 to} 32A _-4 32A ' _{-1 to} 3
2A'- ₃ Electronic device unit 33 Base 34,35 Front pillar 36,37 Rear pillar 38 Top plate 39 Rail 40 Supporting foot 45 Power busbar 46,47,48 Conductive layer 49,50 Insulating layer 51 Power cable 52 _-1 ~ 52 _-4 power supply connector 53 _{-1 to} 53 _-4 electric wire 60 box body 61 _{-1 to} 61 _-4 backboard 62 _{-1 to} 62 _-4 power supply connector 65, 66 side plate 67, 68, 69 horizontal rail 70, 71 Handles 72, 73 Rails 74, 75 Grooves 82, 83 Pins 84 Holes 90 Signal cables 100, 200 Electronic racks 101 Cable ducts 102, 102A 'Lower busbars 102a U-shaped notches 102b Convex parts 102c _-1 Slits 102d _-1 Terminals 105 _{-1 ~105 -4 105A '-1 ~105A'} -3 unit power bus bar 106 _-1, 107 _-1, 108 _-1 wire 110 _-1, 11 _-1, 112 _-1 terminal 113 _-1 L-shaped notch 114 _-1 protrusion 115 _-1, 116 _-1, 117 _-1 slit 118 _-1 inverted L-shaped notch 119 _-1 protrusion 120 _-1 , 121 _-1 , 122 _-1 fins 123 _-1 , 124 _-1 , 125 _-1 terminals 126 _-1 , 127 _-1 , 128 _{-1 to} 126 _-4 , 127 _-4 ,
128 _-4 electric wire 130 side plate 131 screw 135, 135A protective metal fitting 136 screw 137 rubber plate 201-203, 204-206, 207-208 slit 210, 214 window 215 connection plug 216 screw

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akira Kikuchi 1015 Kamiodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Fujitsu Limited

Claims (6)

[Claims] 1. A frame having a hollow pillar, a backboard on the back side, an electronic circuit package inserted and accommodated from the front side, and mounted in a stacked state on the frame. A plurality of electronic device units, the frame is connected to a power cable at one end thereof, and inside the hollow pillar, a power bus bar extending inside the pillar is provided; A plurality of power supply connectors electrically connected to the power supply bus bar and provided at positions corresponding to the heights at which the electronic device units are mounted, the electronic device units being provided on the backboard side. A power supply connector electrically connected to the backboard, wherein the power supply connector is connected to the power supply connector in a state where the electronic device units are mounted. That electronic rack unit. 2. The frame has a hollow rear pillar arranged on the rear side, the power bus bar is provided in the rear pillar, and
2. The electronic rack device according to claim 1, wherein the power supply connector is attached to the front side of the rear column. 3. A frame having a base, a backboard on the back side, an electronic circuit package inserted and housed from the front side, and mounted on the frame in a stacked state. A plurality of electronic equipment units, the frame is connected to a power cable and is provided on the base, and has a lower bus bar having a connecting portion at an upper portion, and each electronic equipment unit has A unit power supply bus bar having a length substantially equal to the height dimension of the electronic device unit at the inner side and having an upper end side connecting portion at the upper end side and a lower end side connecting portion at the lower end side is provided inside the side portion. Having, and having an electric wire connecting the unit power source bus bar and the backboard, with the electronic device unit mounted at the lowest position,
The lower end side connection part of the unit power supply bus bar of the electronic device unit is connected to the connection part of the lower bus bar, and the electronic device unit is mounted at a position other than the lowermost position, and the unit of the electronic device unit is An electronic rack device characterized in that a lower end side connection portion of a power supply bus bar is connected to an upper end side connection portion of a unit power supply bus bar of an electronic device unit mounted immediately below the power supply bus bar. 4. A frame having a base, a backboard on the back side, an electronic circuit package inserted and housed from the front side, and mounted on the frame in a stacked state. A plurality of electronic device units that are connected to each other and a plurality of connection plugs that are connected to each other. However, each of the electronic device units has a length substantially equal to the height dimension of the electronic device unit inside the electronic device unit on the side and the front side, and the upper end side connecting portion is provided on the upper end side. , A unit power supply bus bar having a lower end side connecting portion on the lower end side,
Also, with the electric wire connecting the unit power bus bar and the backboard, with the electronic device unit mounted at the lowest position,
The connection plug is inserted, the lower end side connection portion of the unit power supply bus bar of the electronic device unit mounted above,
The electronic device unit is electrically connected to the connecting portion of the lower bus bar through the connecting plug, and the electronic device unit is mounted at a position other than the lowermost position, and the connecting plug is inserted and mounted. The lower end side connection part of the unit power supply bus bar of the electronic device unit is connected to the upper end side connection part of the unit power supply bus bar of the electronic device unit mounted immediately below the unit power supply bus bar via the connection plug. An electronic frame device characterized by the above. 5. The electronic device unit according to claim 3 or 4,
An electronic frame apparatus comprising a side plate attached by screwing on the side on which the unit power bus bar is provided. 6. The structure according to claim 3, further comprising a protective member attached so as to cover the upper end side connection portion of the unit power source bus bar of the electronic equipment unit mounted at the uppermost position. Electronic rack device.