Novel direct connection method for metal wires

A technology of metal wires and new methods, applied in the direction of connection and connection through deformation, which can solve the problems of unsuitable connection of ultra-fine wires and unsuitable bonding

Inactive Publication Date: 2014-07-16
NANKAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although bonding can connect various wires, the bonding joint cannot allow current to pass through, so bonding is not suitable for the technical requirements of electrification.
And the connection methods of bonding, screwing, riveting and mortise are not suitable for the technical requirements of connecting extremely thin wires.

Method used

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  • Novel direct connection method for metal wires

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Experimental program
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Effect test

Embodiment 1

[0013] The connection objects in this embodiment are: ultra-fine metal wires with a diameter of ≤0.05 mm and thick metal wires with a diameter of about 1 mm.

[0014] The specific connection steps of the method are as follows: figure 1 Shown:

[0015] 1. Prepare a thick metal wire with a diameter of about 1 mm;

[0016] 2. Smash one end of the above-mentioned thick metal wire into a flat sheet;

[0017] 3. Then use scissors to cut the flat sheets in step 2 into narrow strips;

[0018] 4. Then bend the narrow part in step 3 to an angle less than 90 degrees;

[0019] 5. Put one end of the ultra-fine metal wire with a diameter of ≤0.05 mm at the corner;

[0020] 6. Then press the corner tightly to complete the connection.

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Abstract

A novel direct connection method for metal wires is mainly used for connection of a relatively thick metal wire with the diameter larger than or equal to 0.1 millimeter and a relatively thin metal wire with the diameter less than or equal to 0.1 millimeter. The method comprises the specific steps as follows: one end of the thick metal wire is hit to be flat and then is sheared into a strip with a pair of scissors; the strip part is bent to form a 90-degree angle; and one end of the thin metal wire is placed at the bending angle part, then the bending angle is compressed, and the connection is finished. The method provided by the invention is mainly used for circuit welding of precision instruments such as a conductance cell in a gas chromatograph; and since the connection point is small, so that the method has less influence to the resistance of a circuit compared with tin soldering and other methods. According to the improved method provided by the invention, the diameter (or width) of the joint can be less than or equal to the sum of the diameters of the two connected conducting wires or even less than the diameter of the thick metal wire.

Description

technical field [0001] The invention belongs to the technical field of electric engineering, and in particular relates to a connection method of ultra-thin wires. Background technique [0002] Up to now, the connection methods in production and life are mainly welding, bonding, screwing, riveting and tenon jointing. Welding is mainly used for the connection of metals. The welding temperature is high, and the error of the resistance of the welding head is relatively large due to tin welding. Such technology is not suitable for the connection of ultra-fine wires in precision instruments. Although bonding can connect various wires, the bonding joint cannot allow current to pass through, so bonding is not suitable for the technical requirements of electrification. The connection methods of bonding, screwing, riveting and mortise are not suitable for the technical requirements of connecting extremely thin wires. This technology does not need the above-mentioned method and can c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R43/04
Inventor 栗方星
Owner NANKAI UNIV
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