JPS594549Y2 - Noise prevention connector device - Google Patents

Description

[Detailed description of the invention] The present invention relates to a connector device that connects highly sensitive equipment such as audio equipment and communication equipment. The present invention provides a noise prevention connector device that can eliminate radiation.

First, a conventional noise prevention connector device of this type will be explained with reference to FIGS. 1 and 2.

In Fig. 1, 1 is the housing of the electrical equipment, and 2 is the housing 1 mentioned above.
A plurality of connection pins are supported within this male connector 2.

Female connectors 3, 3' are connected to both sides of this male connector 2, and inside these female connectors 3, 3', the male connector 2 is connected.
A contact holding a connecting pin is supported.

The female connector 3 has a cable 4 that connects electrical equipment.
is connected, and an electric wire 5 is connected to the female connector 3'.

Reference numeral 6 denotes a through-type capacitor, and the electric wire 5 is connected to an internal electrode 7 of the through-type capacitor 6 by soldering.

8 is solder.

The other end of the internal electrode 7 is connected by soldering to a printed circuit board 9 on which an electric circuit is constructed using printing technology or the like.

10 is solder. On the other hand, the external electrode 11 of the feedthrough capacitor 6 is connected to a conductive plate 12 by soldering, and the conductive plate 12 is connected to the housing 1 by soldering.

10, 16, and 16' are solder.

FIG. 2 is an enlarged view of the main part of FIG.

An external electrode 11 of a feedthrough capacitor 6 is inserted into a through hole 14 formed in one conductive plate 12 and connected with solder 15.

Note that the internal electrodes 7 penetrate through the through holes 14 of the conductive plate 12 without contacting them, and the plurality of internal electrodes 7 maintain insulation from each other.

As mentioned above, in the conventional connector device, in order to eliminate the intrusion of interference radio waves and the radiation of unnecessary radio waves, the connectors 2, 3, 3', which connect electrical devices, and the printed circuit board 9, which constitutes an electrical circuit, are It was necessary to interpose a capacitor block consisting of a plurality of feedthrough capacitors 6 and one conductive plate 12 between them.

The present invention provides a noise prevention connector device that does not require a condenser block like the conventional example described above and has a noise prevention capacitor built into the connector.
An embodiment of the present invention will be described below.

In FIG. 3, 17 is an insulating housing, and a partition plate 18 is integrally formed within this insulating housing 17.

Reference numeral 19 represents a connection pin implanted in the partition plate 18.

Reference numeral 20 denotes a groove formed from the upper part of both side plates of the insulating housing 17.

21 is a conductive plate, and this conductive plate 21 has a circular protrusion 2.
A plurality of 2 are formed.

23 is a hole formed in the protrusion 22, and 24 and 24' are protrusions integrally formed on the outer periphery of the conductive plate 21.

Reference numeral 25 designates a donut-shaped container with a hole 26 formed in the center, and as shown in FIG. An electrode 28 is formed.

29 is a shield case made by bending a conductive plate into a box shape, and a mounting piece 3 is provided on the upper side of the shield case 29.
0 and 30' are integrally formed.

31.degree. 31' are screw holes formed in the mounting pieces 30, 30'.

Reference numeral 32, 32' indicates a tongue piece obtained by cutting the side surface of the shield case 29 into a U-shape, and this tongue piece 32, 32' is slightly bent inward.

33 is a long hole formed in the lower surface of the shield case 29.

Next, the assembly method of this embodiment will be explained.

Donut-shaped container 25 in FIGS. 3 and 4
is soldered to the inner surface of the protrusion 22 of the conductive plate 21.

The conductive plate 21 to which the capacitor 25 is soldered in this way
into the recess at the bottom of the insulating case 17.

At this time, the connection pin 19 implanted in the insulating case 17 is
As shown in FIG. 5, the hole 23 of the protrusion 22 and the hole 26 of the capacitor 25 are penetrated.

Next, with the protrusion 22 of the conductive plate 21 in contact with the partition plate of the insulating case 17, the connecting pin 19 and the electrode 27 of the capacitor 25 are soldered.

Next, cast resin 34 (
Fig. 6) is injected and solidified.

In this way, the conductive plate 21. An insulating housing 29 in which the container 25 is housed and a casting resin 34 is injected and solidified.
is inserted through the upper opening of the shield case 29.

7A, B, and C show the process of inserting the insulating housing 17 into the shield case 29. FIG.

As the insulating housing 17 is inserted, the tongue pieces 32 and 32' formed on the shield case 29 are pushed outward (
Figure 7B).

As the insulating housing 17 is further inserted, the tongue piece 32
．． 32' engages with the groove 20, 20' of the insulating housing 17, and the insulating housing 17 is prevented from being removed.

When the insulating housing 17 is housed in the shield case 29 as described above, the connection pin 19 protrudes downward from the elongated hole 33 of the shield case 29, and the conductive plate 2
The tips of the protruding pieces 24 and 24' of 1 also protrude from the elongated hole 33.

The tips of the projecting pieces 24, 24' and the shield case 29 are soldered.

Note that the lower part of the connecting pin 19 can be bent as shown in FIG. 6 if necessary.

Figures 8 to 10 show the completed state of this embodiment;
The figure shows the BB' cross section in FIG.

FIG. 12 shows the electric circuit of this embodiment, in which a capacitor 25 is placed between each connection pin 19 and the shield case 29.
is connected, and interference radio waves from the outside and unnecessary radio waves generated inside are removed via the above-mentioned capacitor 25.

Next, another embodiment of the present invention will be described.

In FIG. 13, 17 to 20.20' are the same insulating housing, partition plate, connecting pin, and groove as in the previous embodiment.

In FIG. 13, 35 is a printed circuit board, and this printed circuit board 35 is formed with a hole 36 through which the connecting pin 19 passes, and a conductor pattern 37 is formed on the edge of the hole 36 on the lower surface of the printed circuit board 35. ing.

38 is a conductive pattern formed on one side of the lower surface of the printed circuit board 35.

39 is a chip type capacitor, and electrodes 40 and 41 are formed at both ends thereof.

The capacitor 39 is connected between the conductor pattern 37 and the conductor pattern 38.

That is, the electrode 40 of the capacitor 39 is the conductor pattern 3.
7, and the electrode 41 is soldered to the conductive pattern 38.

42 is an L-shaped conductive plate, and protrusions 43, 43' are integrally formed on this conductive plate 42.

In FIG. 3, numerals 29 to 33 are the same shield case, mounting piece, screw hole, tongue piece, and elongated hole as in the previous embodiment.

Next, the assembly method of this embodiment will be explained.

As described above, first, the capacitor 39 is fixed to the printed circuit board 35 by soldering the electrode 40 of the capacitor 39 to the conductor pattern 37 and the electrode 41 to the conductor pattern 38, respectively.

Next, the conductive plate 42 is placed on one side of the printed circuit board 35 so that the upper surface of the L-shaped conductive plate 42 is on the upper surface of the printed circuit board 35, and the conductive pattern 38 of the printed circuit board 35 is
and the conductive plate 42 are soldered.

The printed circuit board 3 to which the conductive plate 42 is soldered in this way
5 into the recess at the bottom of the insulating housing 17.

At this time, the connection pin 19 passes through the hole 36 of the Pnont board 35.

Here, the connection pins 19 and the conductor pattern 37 of the printed circuit board 35 are soldered, and then the casting resin 34 is injected and solidified.

The insulating housing 17 in which the capacitor 39 is housed in this way is housed in the shield case 29 as in the previous embodiment, and the protrusions 43° and 43' of the conductive plate 42 are soldered to the shield case 29, and as needed. This is completed by bending the connecting pin 19.

FIG. 14 shows a cross section of the main part of this embodiment, FIG. 15 shows a cross section of the completed state, and FIGS. 16 to 18 show the external shape of the completed state.

The present invention has the above configuration, and according to the invention, the following effects can be obtained.

(a) Since the connector has a built-in capacitor, there is no need to provide a separate through-type condenser etc. inside the housing of an electrical device as in the past, and there is no need to solder the connector and this through-type condenser. It's something that doesn't exist.

(b) Since the capacitor is housed in an insulating housing and covered with cast resin, no harmful gases, water vapor, etc. can enter from the outside, and the capacitor can withstand sudden temperature changes in the external atmosphere. can maintain stable characteristics without being damaged.

(C) Assembly and manufacturing are easy because the conductive plate and printed circuit board are inserted into the insulating housing after the capacitor is attached to the conductive plate or printed circuit board.

(d) A multi-pole noise prevention connector can be manufactured easily.

[Brief explanation of the drawing]

Fig. 1 is a side view of a conventional connector device, Fig. 2 is a cross-sectional view of the same essential parts, Fig. 3 is an exploded perspective view of a noise prevention connector device according to an embodiment of the present invention, and Fig. 4 is an exploded perspective view of the same device. A cross-sectional view of the conductive plate and the capacitor, and Figure 5 is a cross-sectional view of the main parts of the device.
Fig. 6 is a cross-sectional view of the device (A-A' cross-sectional view in Fig. 9);
Figures 7A, B, and C are sectional views of essential parts of the process of inserting the insulating housing into the shield case, Figure 8 is a top view of the equipment, Figure 9 is a front view, and Figure 10 is the same. Side view, 1st
Figure 1 is a cross-sectional view taken along line BB' in Figure 10, Figure 12 is an electrical circuit diagram of the noise prevention connector device of the present invention, Figure 13 is an exploded perspective view of another embodiment of the present invention, and Figure 14 is an exploded perspective view of another embodiment of the present invention. FIG. 15 is a sectional view of the main parts of the device, and FIG. 15 is a sectional view of the device (CC' in FIG.
16 is a top view of the same device, FIG. 17 is a front view of the same, and FIG. 18 is a side view of the same. 17... Insulation housing, 18... Partition plate, 19... Connection pin, 20, 20'...
...Groove, 21...Conductive plate, 22...
Projection, 23... Hole, 24.24'...
Projection piece, 25... Container, 26...
- Hole, 27, 28... Electrode, 29...
Shield case, 30.30'...Mounting piece, 3
1.31'...screw hole, 32.32'...
... Tongue piece, 33 ... Long hole, 34 ... Casting resin, 35 ... Printed circuit board, 36 ...
... Hole, 37, 38... Conductor pattern, 39.
...Container, 40.41...Electrode, 42...Conductive plate, 43゜43'...
protrusion.

Claims (3)

[Scope of utility model registration request] (1) An insulating housing in which a partition plate is formed, a plurality of connection pins implanted in the partition plate, a plurality of holes through which the connection pins pass are formed, and a capacitor is installed near the holes. The plate is housed in the insulating housing, the connecting pins are inserted into the holes of the plate, each of the connecting pins is connected to one electrode of each of the capacitors, and the plate is housed in the insulating housing. A noise prevention connector device comprising: injecting resin into the plate side of the housing; inserting the insulating housing into a shield case; and connecting the other electrode of the capacitor and the shield case. (2) Utility Model Registration Scope of Claim 1. The noise prevention connector device according to claim 1, which uses a conductive plate having a protrusion with a hole through which a connecting pin passes. (3) Utility model registration In the noise prevention connector device according to claim 1, a plurality of holes through which connection pins pass, a conductor pattern formed at the edge of the hole, and a common conductor pattern are formed. A noise prevention connector device using a printed circuit board and connecting a capacitor between the conductor patterns.