JP3326507B2 - 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 connector, and more particularly to a connector comprising a connector plug for housing a transmission line block having a transmission line pattern in a housing and a connector receptacle fitted and connected to the connector plug.

[0002]

2. Description of the Related Art First, a conventional connector will be outlined with reference to FIG.

[0003] This type of connector generally includes a connector receptacle 80 and a connector plug 90 that are fitted and connected to each other, and a socket contact 83 is press-fitted and held in a housing 81 in the connector receptacle 80. Further, the connector plug 90 is provided with a pin contact 93 fitted to the socket contact 83.

[0004]

In the above-mentioned connector, it is structurally impossible to attach a filter element for noise suppression to the connector itself. In addition, when transmitting a high-speed signal in this type of connector, a signal pin and a ground pin are arranged in a predetermined arrangement for impedance matching and measures against crosstalk. However, in the conventional connector, since the contacts are fixed to the housing, the characteristic range in which impedance matching and measures against crosstalk can be realized is naturally limited. That is, there is a problem that it is difficult to effectively implement the characteristic impedance matching and the crosstalk reduction measure, and it is impossible to substantially transmit a high-speed signal.

An object of the present invention is to provide a connector that can effectively realize characteristic impedance matching and crosstalk reduction measures.

Another object of the present invention is to provide a connector capable of effectively implementing noise suppression.

[0007]

According to the present invention , each other
Connector plug and connector receptacle to be mated and connected
Wherein the connector plug comprises a housing,
Transmissions arranged at predetermined intervals in the housing
And a transmission block, wherein the transmission block has a predetermined pattern.
The housing having a transmission line pattern formed by
Is fixed by positioning
The connector receptacle engages with the transmission path block
Socket electrically connected to a part of the transmission line pattern
Connector provided with contacts
Is obtained .

[0008]

According to the present invention, the transmission block is stored in the housing of the connector plug, and a transmission line pattern (for example, a strip line) is formed in the transmission block. Therefore, the structure of the connector is not complicated. Moreover, characteristic impedance matching, crosstalk reduction measures, and noise measures can be effectively realized.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments.

FIG. 1 is a partially cutaway perspective view showing a connector of the present invention. The connector shown in FIG. 1 includes a connector receptacle 1 and a connector plug 3.

The connector receptacle 1 includes a housing 10
And a socket contact 13 having a spring property is press-fitted and held in the housing 10. The housing 10 is formed in a comb-like shape on the connection side with the connector plug 3, and a connector plug 3 described later is provided between the comb teeth.
Transmission line block 33 is fitted.

In the embodiment shown, the socket contacts 13
Are arranged in four stages at predetermined intervals in the vertical direction, and are arranged in a predetermined number of rows at predetermined intervals in the width direction of the connector receptacle 1. The number of stages and the number of socket contacts 13 in the width direction are not limited to the illustrated embodiment.

As shown in FIG. 2, the connector plug 3 has a housing 30, and an opening is formed in the housing on the side connected to the connector receptacle 1. A back wall portion 31 is formed on a side opposite to the opening side. The rear wall portion 31 is provided with slots 32 extending vertically at predetermined intervals in the width direction.

As shown in FIGS. 1 and 2, a transmission path block 33 having a transmission path pattern 34 is inserted and held in a slot 32 from the rear side of the back wall 31 in an upright state. A groove 30a is formed inside the upper and lower wall surfaces of the housing 30, and a projection 33a is formed on the upper and lower side surfaces of the transmission path block 33. By fitting the transmission path block 33 into the slot 32, the projection 33a
a, whereby the positioning and fixing of the transmission path block 33 in the housing 30 are performed. In the drawing, reference numeral 35 denotes a board mounting pin connected to the transmission line pattern 34.

There are various types of materials for the transmission line block 33. For example, any material may be used as long as it is made of an insulating material such as glass epoxy, ceramic, and plastic. The material of the transmission path block 33 is appropriately selected depending on the required strength, dielectric constant, and the like.

FIG. 3 shows an example of the structure of the transmission line block 33. At a predetermined position in the middle of each transmission path pattern 34, an element 4 such as an inductor is provided as a noise suppression filter. The transmission path pattern 34 is formed by means such as copper foil etching, application of conductive ink, and plating. The transmission path pattern 34 is formed on both sides or one side of the transmission path block 33 as necessary. When forming one transmission line pattern 34 only on the surface of the transmission line block 33, the other surface ground
It is preferable to form a pattern. For example, a microstrip line can be formed by forming a ground pattern on substantially the entire surface.

At this time, an arbitrary value can be obtained as the characteristic impedance depending on the width of the transmission line pattern 34 and the material of the transmission block 33. That is, the transmission line pattern 34
The reflection and crosstalk can be suppressed by appropriately selecting and designing the width of the transmission path block 33 and the material of the transmission path block 33. As a result, a connector suitable for high-speed transmission can be obtained.

FIGS. 1 to 3 show an example in which the board mounting pins 35 are projected to the lower surface side of the housing 30. However, the present invention is not limited to this. You may make it protrude to a back side. In this case, for example, a transmission path block having a structure as shown in FIG. 4 is used.

Next, the state of fitting and connection between the connector receptacle 1 and the connector plug 3 configured as described above will be described.

FIG. 5 is a plan sectional view showing the connector receptacle 1 and the connector plug 3 connected to each other in the direction of the thick arrow in FIG. 1, and FIG. 6 is a side sectional view thereof. The transmission block 33 of the connector plug 3 is inserted between the comb teeth of the connector receptacle 1 in a state where the connector receptacle 1 has entered the opening of the connector plug 3, and the transmission pattern 34 is formed by the pair of socket contacts 13. The transmission block 33 is clamped at the position where the transmission block 33 is located. As a result, the socket contact 13 and the board mounting pin 35 are electrically connected.

[0021]

As described above, according to the present invention, a signal transmission line pattern can be formed on one surface of a transmission line block and a ground pattern can be formed on the other surface. The characteristic impedance can be set to a desired value by appropriately designing and selecting the width dimension, the material of the transmission path block, and the like. As a result, transmission of high-speed signals can be suppressed while suppressing reflection and crosstalk.

Further, in the present invention, since the filter element is provided in the middle of the transmission line pattern, the filter element can be easily formed, and there is an effect that noise countermeasures can be effectively realized.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a connector according to the present invention, partially cut away.

FIG. 2 is a perspective view showing the connector plug shown in FIG.

FIG. 3 is a side view showing an example of a transmission line block used in the connector according to the present invention.

FIG. 4 is a plan view showing another example of a transmission line block used in the connector according to the present invention.

FIG. 5 is a plan sectional view for explaining a connection state of the connector shown in FIG. 1;

FIG. 6 is a side sectional view for explaining a connection state of the connector shown in FIG. 1;

FIG. 7 is a side view showing a conventional connector with a part cut away.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector receptacle 3 Connector plug 4 Elements such as inductors 10 Housing 13 Socket contact 30 Housing 33 Transmission path block 34 Transmission path pattern

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/658 H01P 5/02 H01R 13/514 H01R 13/648 H01R 23/02 H01R 13/719

Claims (3)

(57) [Claims] 1. A a fitting connected thereto a connector plug and the connector receptacle together, said connector plug
Between the housing and the housing predetermined
And a transmission line block arranged at a distance.
The transmission block is a transmission line pattern formed in a predetermined pattern.
Positioning by fitting into the housing
Are fixed, the connector, characterized in that the said connector receptacle socket contact with a portion electrically connected to the transmission line pattern engaged with the transmission line blocks are provided. 2. The connector according to claim 1, wherein the transmission line block has a plate shape, the transmission line pattern is formed on one surface of the transmission line block, and the other of the transmission line block is provided. A ground pattern is formed on the surface of the connector. 3. The connector according to claim 1, wherein the transmission line pattern includes a filter element.