JP2841024B2 - Power supply bar assembly and socket connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply bar assembly and a socket connector, and more particularly to a power supply bar assembly used for a power supply method to a package in a bookshelf mounting and a socket connector connected thereto. is there.

[0002]

2. Description of the Related Art Conventionally, in bookshelf mounting, a method of supplying power to each package through a printed wiring on a back panel and a package connector has been adopted. FIG.
An example of a conventional bookshelf implementation is shown in FIG. In this example, both the signal data and the power are transmitted from the wiring (printed wiring) on the back panel 2 to the package board 3 by the package connectors 5 and 4. Further, in FIG. 13, reference numeral 25 denotes a reinforcing metal fitting for reinforcing the back panel, and reference numeral 9 denotes a housing mounting hardware.

[0003]

However, the above-described conventional power supply system has the following disadvantages because the power is supplied to the package board through the printed wiring on the back panel and the package connector.

First, since a power supply layer or a power supply line enters a wiring of the back panel, power supply noise is generated in a signal line on the back panel. In addition, the number of layers of the back panel increases due to an increase in the amount of information and power consumption.

Further, since signal lines and power supply lines are mixed in the package connector, there is a problem that power supply noise is generated inside the package connector. In addition, an increase in power consumption leads to an increase in the number of power pins in the package connector.

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the above-mentioned disadvantages, prevent the occurrence of power supply noise in signal lines and package connectors of a back panel, and reduce the number of layers of the back panel and the number of power supply pins of a package connector. ,
An object of the present invention is to provide a power supply bar assembly and a socket connector.

[0007]

According to the present invention, a first contact and a power supply bar having a groove for incorporating the first contact and fixed to a back panel are provided. A power bar assembly is obtained.

Further, according to the present invention, a plurality of the power supply bars are provided, and the plurality of power supply bars are fixed to the back panel with their surfaces parallel to the longitudinal direction facing each other, and further opposed to each other. A power supply bar assembly is obtained, wherein an insulating plate is interposed between the surfaces parallel to the longitudinal direction.

Further, according to the present invention, there is provided a power supply bar assembly, wherein the power supply bar is provided with an insulator for insulating the power supply bar from the back panel.

According to the present invention, a power supply bar assembly is provided, wherein the power supply bar is provided with an insulator for insulating between the power supply bar and a unit frame for fixedly supporting the power supply bar. A solid is obtained.

According to the present invention, a power supply bar assembly is provided, wherein a power supply pin connected to a cable connector provided at one end of a power supply path is attached to the power supply bar. .

Further, according to the present invention, the power supply pin includes:
A power supply bar assembly is provided, wherein an insulating cap that penetrates through the back panel and is attached to the power supply bar and insulates between the power supply pin and the back panel is mounted on the power supply pin. Can be

According to the present invention, there is provided a power supply bar assembly wherein the first contact is plate-shaped.

Further, according to the present invention, there is provided a socket connector to be connected to the power supply bar assembly, wherein the housing is provided on a mounting surface of a package board; A socket connector having a socket contact for holding the contact and making contact with the first contact is obtained.

According to the present invention, the housing has a groove, and the groove is formed so as to correspond to the first contact sandwiched between the socket contacts, and is formed in parallel with the mounting surface. A socket connector characterized by being extended is obtained.

[0016]

In the present invention having the above-described structure, the power supplied from the external power source is distributed to and supplied to each package board through the power supply bar assembly and the socket connectors on the plurality of package boards. Further, the signal data is transmitted to the package board by each package connector on the plurality of package boards. Therefore, the signal data and the power are supplied to the package board through different paths, and the power can be supplied to the package board without going through the wiring and the package connector on the back panel. Therefore, power supply noise does not occur in the signal lines or the package connector of the back panel, and the number of power supply pins of the package connector and the back panel can be prevented from increasing.

[0017]

Embodiments of the present invention will be described below. FIG. 1 illustrates a power supply bar assembly according to first and second embodiments of the present invention installed in a unit frame. In this figure, the power supply bar assemblies 6 and 7 are attached to the unit frame 1 by screws. A back panel 2 is attached to the power supply bar assemblies 6 and 7. Here, the power supply bar assemblies 6, 7 and the unit frame 1 are electrically insulated. A plug-side package connector 4 is attached to an end face of the package board 3. A socket connector 8 according to one embodiment of the present invention is mounted between the package connectors 4. Also,
The back panel 2 is fitted with the package connector 4,
A package connector 5 to be connected is attached.

Here, a reinforcing metal fitting is conventionally attached to a portion of the unit frame 1 where the power supply bar assemblies 6 and 7 are attached. In the present embodiment, the reinforcing bracket is removed, and the power supply bar assemblies 6 and 7 are attached using the space. Thus, the present invention can be applied without changing the dimensions of the package connector 5 and the like.

FIG. 2 is a perspective view of FIG. 1 as viewed from the back side. A housing mounting hardware 9 is provided on the back surface of the back panel 2 as in the related art. Further, the housing mounting hardware 9 has a plurality of windows as shown, and power supply pins 10 provided on the power supply bar assemblies 6 and 7 protrude from the windows. These power supply pins 10 are terminals for supplying power to the power supply bar assemblies 6 and 7 from an external power supply, and the cable connector 11 is fitted and connected as shown in the figure. The power supply pin 10 is connected to the housing mounting hardware 9.
And the back panel 2 are electrically insulated.

FIG. 3 is a perspective view of the power supply bar assembly 7. The power supply bar assembly 7 includes a plate-shaped pin contact 1.
3 and a power supply bar 12 fixed to the back panel 2 as described above. The pin contact 13
As shown in the figure, two rows are provided, that is, a pair of two pieces are provided. The power supply bar 12 has the pin contact 13
Is formed. These grooves 12
“a” is also provided on the power supply bar 12 at equal pitches in two rows corresponding to the power supply bar 12. Pin contacts 13 are screwed into these grooves 12a.

Here, the pin contact 13 is in the form of a plate having a wide width in order to increase the current capacity. Further, as described above, the pin contact 13
Is provided so that, at the time of contact with the socket contact 16, the contact area can be made larger to allow more current to flow.

FIG. 4 is a perspective view of the power supply bar assembly 6. The power supply bar assembly 6 has a configuration in which power supply bars 12 to which pin contacts 13 are attached are arranged in two rows in the same manner as the power supply bar assembly 7, and an insulating plate 14 is interposed therebetween. That is, the two power supply bars 12 have their surfaces parallel to the longitudinal direction facing each other, and the insulating plate 14 is interposed between the surfaces parallel to the longitudinal direction. By configuring the power supply bar assembly with two rows of power supply bars 12 and the like, two types of power sources can be passed through the power supply bar assembly 6 as described later.

FIG. 5 is a perspective view of the socket connector 8 according to one embodiment of the present invention. This socket connector 8
Is connected to the power supply bar assemblies 6 and 7 and includes a socket housing 15 and a socket contact 16.

The socket contacts 16 are arranged in two vertical rows in a direction perpendicular to the mounting surface of the package board 3, and one end of each of them is connected to the package board 3.
Is soldered to the through hole formed in the substrate. The other end of the socket contact 16 is bent at a substantially right angle and is housed in the socket housing 15.

The socket housing 15 is provided with a through groove 15a in the lateral direction. The groove 15 a is formed so as to correspond to the pin contact 13 sandwiched between the socket contacts 16. The through-groove 15a extends in parallel with the mounting surface of the package board 3. Then, the feed bar assemblies 6, 6 are formed by these through grooves 15a.
The backlash at the time of engagement with the pin contact 13 is absorbed. Thereby, the socket housing 15 and the plate-shaped pin contact 13 are easily fitted.

FIG. 6 shows a socket connector 8 according to the present invention.
FIG. 4 is a cross-sectional view showing a fitting state between the power supply bar assembly 7 and the power supply bar assembly 7. In the figure, a set of two pin contacts 13 is provided at the same pitch as the arrangement pitch of the package boards 3 as described above.
Are lined up. The pin contact 13 is a flathead screw 1
9 are attached to the power supply bars 12 respectively. Here, an insulator 17 that insulates between the power supply bar 12 and the back panel 2 is provided on the power supply bar 12 or the back panel 2 side.

The above-mentioned socket contact 16
Due to its spring property, it is mechanically and electrically connected to the pin contact 13. That is, the pin contact 13 is sandwiched by the socket contact 16 and comes into contact with the socket contact 16. Further, the socket contacts 16 are connected to the through holes of the package board 3 as described above, whereby power is supplied to the package board 3 via the socket contacts 16. The operation of fitting / removing the package board 3 is performed by sliding the package board 3 with respect to the power supply bar assembly 7.

FIGS. 7 and 8 show the essential parts shown in FIG. 6 when viewed from the side. Here, the socket connector 8
The power supply bar assemblies 6 and 7 are disposed between the package connectors 4 and 5, respectively. In FIG. 8, two power supply bars 1 electrically insulated by an insulating plate 14 are shown.
2, different types of power can be supplied. Therefore, two kinds of power can be supplied to the package board 3 by the power supply bar assembly 6.

FIGS. 9 and 10 are sectional views of the power supply pins 10 of the power supply bar assemblies 6 and 7 to which power is supplied from the outside. The power supply pin 10 penetrates the back panel 2 and is attached to the power supply bar 12 by screwing or the like. As a result, an electrical connection is made between the power supply bar 12 and the power supply pin 10 connected to the cable connector 11 provided at one end of the power supply path. This power supply pin 10
The back panel 2 and the housing mounting hardware 9 are electrically insulated by an insulating cap 23 attached to the power supply pin 10.

FIG. 11 is a sectional view of a connection portion between the power supply bar assembly 7 and the unit frame 1. An insulating block 20 is attached to an end of the power supply bar 12 constituting the power supply bar assembly 7.
The power supply bar assembly 7 is fixed to the unit frame 1 by being fixed to the unit frame 1 at 1. The power supply bar assembly 6 is similarly fixed to the unit frame 1. The insulating block 20 has a structure in which the current of the power supply bar 12 does not leak to the unit frame 1.

FIG. 12 shows a power supply bar assembly 6 of this embodiment.
7 shows a state in which the package board 3 is connected on the back panel 2 using the socket connector 7 and the socket connector 8. In this configuration, power is transmitted to the socket connector 8 by the power supply bar assemblies 6,7. The signal data is transmitted to the package board 3 by the package connectors 4 and 5.

[0032]

As described above, by using the power supply bar assembly and the socket connector of the present invention, power can be supplied to the package board without passing through the wiring of the back panel and the package connector. Therefore, power supply noise does not occur in the signal lines and package connectors of the back panel, the number of layers in the back panel can be reduced, and power supply pins can be eliminated from the package connector.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a power supply bar assembly and a socket connector according to an embodiment of the present invention are installed in a unit frame.

FIG. 2 is a perspective view showing a state in which FIG. 1 is viewed from the back side.

FIG. 3 is a perspective view of the power supply bar assembly of the first embodiment shown in FIG. 1;

FIG. 4 is a perspective view of the power supply bar assembly of the second embodiment shown in FIG.

FIG. 5 is a perspective view of a socket connector according to one embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a fitted state of the power supply bar assembly and the socket connector in the embodiment.

FIG. 7 is an explanatory diagram of a state where a main part shown in FIG. 6 is viewed from the side.

FIG. 8 is an explanatory view of a state where the main part shown in FIG. 6 is viewed from the side.

FIG. 9 is a cross-sectional view illustrating a connection state of power supply pins according to the present embodiment.

FIG. 10 is a cross-sectional view illustrating a connection state of power supply pins according to the present embodiment.

FIG. 11 is a cross-sectional view of a joint between the power supply bar assembly and the unit frame in the present embodiment.

FIG. 12 is an explanatory view showing an arrangement state and the like of a power supply bar assembly and a socket connector in the present embodiment.

FIG. 13 is an explanatory diagram showing a connector arrangement state and the like in a conventional bookshelf mounting.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Unit frame 2 Back panel 3 Package board 4 Package connector 5 Package connector 6 Power supply bar assembly 7 Power supply bar assembly 8 Socket connector 10 Power supply pin 11 Cable connector 12 Power supply bar 13 Pin contact 14 Insulating plate 15 Socket housing 16 Socket contact 17 Insulation plate 18 Insulation plate 20 Insulation block

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toru Kishimoto 1-6-1 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Katsumi Kaizu 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan (56) References JP-A-6-62592 (JP, A) JP-A-5-18082 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) H01R 23 / 68 H05K 7/14

Claims (9)

(57) [Claims] 1. A power supply bar assembly comprising: a first contact; and a power supply bar having a groove for incorporating the first contact and fixed to a back panel. 2. A plurality of power supply bars are provided, the plurality of power supply bars are fixed to the back panel with their surfaces parallel to the longitudinal direction facing each other, and furthermore, the plurality of power supply bars are parallel to the opposed longitudinal direction. 2. The power supply bar assembly according to claim 1, wherein an insulating plate is interposed between the surfaces. 3. The power supply bar assembly according to claim 1, wherein an insulator that insulates between the power supply bar and the back panel is provided on the power supply bar. 4. The power supply bar according to claim 1, wherein an insulator that insulates between the power supply bar and a unit frame that fixedly supports the power supply bar is provided on the power supply bar. Power bar assembly. 5. A power supply pin connected to a cable connector provided at one end of a power supply path is attached to the power supply bar.
A power supply bar assembly as described. 6. The power supply pin is attached to the power supply bar through the back panel, and an insulation cap for insulating between the power supply pin and the back panel is attached to the power supply pin. The power supply bar assembly according to claim 5, wherein: 7. The power supply bar assembly according to claim 1, wherein the first contact has a plate shape. 8. A socket connector connected to the power supply bar assembly according to claim 1, wherein the housing is provided on a mounting surface of a package board, and the first housing is housed in the housing, And a socket contact that sandwiches the contact and makes contact with the first contact. 9. The housing has a groove, the groove comprising:
9. The socket connector according to claim 8, wherein the socket connector is formed so as to correspond to the first contact sandwiched between the socket contacts, and extends in parallel with the mounting surface.