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Welding method and system for electrode plate of surge protector

A surge protector and welding method technology, applied in welding equipment, tin feeding devices, auxiliary devices, etc., can solve the problems of high welding defect rate, uneven heat absorption, and solder embrittlement.

Active Publication Date: 2020-07-07
SHENZHEN HAIPENGXIN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a welding method and welding system for the electrode sheet of a surge protector, aiming to solve the technical problems such as uneven heat absorption, solder embrittlement, and high welding failure rate existing in the soldering of electric soldering irons

Method used

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  • Welding method and system for electrode plate of surge protector
  • Welding method and system for electrode plate of surge protector
  • Welding method and system for electrode plate of surge protector

Examples

Experimental program
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Embodiment 1

[0075] The surge protector to be welded in this embodiment includes a housing, a slider, and an electrode piece, the slider is arranged between the housing and the electrode piece, the electrode piece includes a welding end, and the housing There is a pad area for welding the electrode sheet.

[0076] The welding process of the electrode sheet and the pad area of ​​the surge protector specifically includes the following steps:

[0077] 1. Take the above surge protector for processing

[0078] A first positioning concave platform and a second positioning concave platform are provided in the center of the welding end, and both the first positioning concave platform and the second positioning concave platform are recessed toward the pad area side, and the second positioning concave platform is arranged on the first positioning concave platform both sides of the stage.

[0079] 2. Solder paste injection

[0080] Use a dispenser to inject solder paste into the pad area, attach t...

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Abstract

The invention relates to a welding method and system for an electrode plate of a surge protector. The welding method provided by the invention comprises the steps that the surge protector to be weldedis provided, wherein the surge protector comprises a housing, a sliding block and the electrode plate, the sliding block is arranged between the housing and the electrode plate, the electrode plate comprises a welding end, and a bonding pad area used for welding the electrode plate is arranged on the housing; solder paste is injected into the bonding pad area, the welding end is attached to the solder paste, and a first workpiece is obtained; the first workpiece is obtained, the distance between the welding end and the bonding pad area is adjusted and fixed, the thickness of the solder pasteis smaller than or equal to the distance between the sliding block and the bonding pad area, the space between the welding end and the bonding pad area is filled with the solder paste, part of the solder paste is extruded to the edge of the outer side of the welding end, and a second workpiece is obtained; and the second workpiece is obtained, and reflow soldering is conducted. On the premise thatthe safety protection effect of the surge protector is not affected, qualified welding spots are obtained, the welding reject ratio is decreased, and the welding method and system are suitable for mass production of the surge protector with excellent and stable performance.

Description

technical field [0001] The invention belongs to the technical field of surge protector preparation, and in particular relates to a welding method and a welding system for electrode sheets of a surge protector. Background technique [0002] Surge protector is an electronic device that provides safety protection for various electronic equipment, instruments and meters, and communication lines. When the electrical circuit or communication line suddenly generates a peak current or voltage due to external interference, the surge protector can conduct the shunt in a very short time, so as to avoid the damage of the surge to other equipment in the circuit. The shell and the electrode sheet are the core components of the surge protector. The shell is provided with a pad area, and the welding end of the electrode sheet is welded to the pad area. The welding performance of the electrode sheet and the pad area directly affects the safety protection effect of the surge protector. When...

Claims

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Application Information

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IPC IPC(8): B23K1/08B23K3/06B23K3/08
CPCB23K1/08B23K3/0607B23K3/08B23K3/087
Inventor 魏改梅李叶来肖茂庆陈亚
Owner SHENZHEN HAIPENGXIN ELECTRONICS
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