Smart Door Lock ESD Protection
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Smart Door Lock ESD Protection

Views: 0     Author: Site Editor     Publish Time: 2023-08-03      Origin: Site

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Static introduction

 

The charge transfer caused by objects with different electrostatic potentials approaching each other or in direct contact.
ESD is a common near-field hazard source, which can form a high-voltage source, arc electric field, and instantaneous large current, accompanied by strong electromagnetic radiation, forming an electrostatic discharge electromagnetic pulse.
Current>1A
Rise time ~ 15ns, decay time ~ 150ns

 

The harm of electrostatic discharge door locks

 

Electrostatic discharge has mechanical effects, thermal effects, strong electric field effects, and electromagnetic pulse effects, which will have a great impact on smart door locks, causing damage to components and abnormal functions.Electrostatic damage is concealed, potential, random, and complex, causing incalculable losses to enterprises and production. Therefore, to avoid this loss, adequate anti-static measures must be taken.

 

Common methods of electrostatic protection

 

1. Media isolation
2. Shielding
3. Grounding and bonding
4. Others such as the use of ESD protection devices, etc.

 

ESD protection standard reference

 

IEC61000-4-2 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
GB/T17626.2 Electromagnetic Compatibility Test and Measurement Technology Test Method for Electrical Disturbance Generated by Electrostatic Discharge

 

 

Smart door lock system diagram

 

info-1280-549

Reference plan:

 

info-1401-374

 

info-1373-344

info-1389-398

 

 

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