Coaxial cable harness connection structure and manufacturing method thereof

Abstract

The present invention provides a small and compact coaxial cable bundle connection structure and a method for manufacturing the same. According to the connection structure, a parallel coaxial cable group in which a plurality of coaxial cables are arranged in parallel is stacked in multiple layers. In the structure, the thickness in the lamination direction and the length in the width direction are reduced, and the insulating properties and shape stability are combined. In the coaxial cable bundle, a parallel coaxial cable group is stacked in multiple layers. made of. In addition, the outer conductors of all the coaxial cables are integrated by solder, the center conductor is exposed by a predetermined length at the tip of each coaxial cable, and the insulator is exposed between the exposed center conductor and the solder integrating the outer conductors. In the plurality of stacked parallel coaxial cable groups, the total length of the exposed insulator and the center conductor is sequentially longer from one side toward the other side in the stacking direction for each layer of the stack.

Description

technical field [0001] The present invention relates to a connection structure and a manufacturing method of a coaxial cable harness in which a coaxial cable harness in which parallel coaxial cable groups are laminated in multiple layers is connected to a connected member such as a board, and a manufacturing method thereof. A cable set is formed by paralleling multiple coaxial cables. Background technique [0002] In the wiring of medical equipment and various small information equipment, cables obtained by bundling multiple ultra-fine coaxial cables are used. The cable is a coaxial cable bundle for connection with an end board for electrical connection with a control device or the like. In this case, the circuit board is connected to the end portion of the coaxial cable harness. On the circuit board, the contact pads are arranged in the width direction, and the set pads are also arranged in multiple layers in the longitudinal direction, so that the center conductors of th...

AI Technical Summary

Problems solved by technology

[0013] However, in the coaxial cable harness of the above-mentioned conventional structure, since the ground rod is separately connected to a plurality of parallel coaxial cable groups, the volume of the coaxial cable harness increases, and the thickness in the stacking direction becomes large.

In addition, since the both ends of the ground rod protrude in the parallel direction from the parallel direction both ends of the coaxial cables, the width of the coaxial cable bundle increases accordingly. There is a problem that the ground pad of the board becomes larger and the board itself becomes larger

In addition, solder for connecting the ground rod to the parallel coaxial cable set, and solder for connecting the ground rod to the ground pad are required, resulting in an increase in the size of the coaxial cable harness assembly

[0014] In addition, when the outer conductor is connected to the ground rod by soldering, the insulator of the coaxial cable may be melted due to the heat of soldering, and the central conductor and the outer conductor may be conducted, causing insulation failure.

Or, since the ground rod itself is made of rigid and relatively hard material, there is also the problem that it is easy to peel off from the substrate

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