PORTABLE SPOT WELDER
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United States of America Patent
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Issued Date -
Feb 23, 2023
app pub date -
May 19, 2022
filing date -
May 19, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a portable spot welder. The spot welder includes a control board; a battery connected to the control board; an analog-to-digital converter (ADC) detection module connected to the control board; a power metal oxide semiconductor (MOS) module connected to the battery; an optical-coupler isolation driving module connected to the power MOS module and the control board; a battery protection module connected to the battery and the control board; a power supply module connected to the battery protection module and the control board; and a soldering iron module connected to the battery protection module and provided with spot welding pen interfaces. The spot welder can be connected to an external spot welding pen for use or used as an emergency power bank. A safety coefficient is improved, risks of overheating, overcurrent and a short circuit of a portable spot welder body are reduced, and a size is reduced.
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