Portable Fan TeardownThis quide provides a look at the inner workings of the a small portable fan. The guide consists of

images of each teardown step along with narrative.

Written By: Benjamin

Portable Fan Teardown

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INTRODUCTION

This fan comes from Guangdong, China. The take down looks at all the components used for theproper functionality of this product.

TOOLS:Phillips #0 Screwdriver (1)

Soldering Station (1)

Portable Fan Teardown

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Step 1 — Portable Fan Teardown

Front of fan consists of two buttonsfor user interface.

Pressing the green button powersup the fan on setting 1 (Highestspeed setting).

Pressing the red button powersdown the fan from any speedsetting.

Pressing the green button a secondtime moves the fan functionality tosetting 2 (Medium speed setting).

Pressing the green button a thirdtime moves the fan functionality tosetting 3 (Slowest speed setting).

Pressing the green button a fourthtime turns off the fan speed andturns on the led on the side forflashlight mode.

Portable Fan Teardown

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Step 2 — Fan Side View

The side of the fan contains a micro-USB port through which the devicereceives it's charge.

Step 3 — Back of the Fan

The back of the fan possesses thebattery compartment covered by aplastic cover.

The four screws that hold the fan'sentire green plastic structuretogether can be seen coming fromthe back of the fan in through thefour holes to the front to secure it.

Portable Fan Teardown

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Step 4 — Removal of the Battery Compartment and Structural Screws

The four screws that keep the greenfan cage together are removed andplaced on the table.

The unsecured green plastic fancage is separated into halves andplaced beside the screws on thetable.

The Lithium-ion 18650-3.7V batteryis removed from the batterycompartment and placed next to theother fan components on the tablealongside the plastic batterycompartment cover.

The PCB controlling the fan speedand LED light is not visible.

Two wires connect it to the DCmotor found in the center of the fan.

The PCB is soldered to two metallatches connected to the batterycompartment coming through the fanin order to secure it to the plasticstructure.

Portable Fan Teardown

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This document was last generated on 2017-12-20 06:38:23 PM.

Step 5

The PCB is disconnected from theDC motor and desoldered from therest of the fan structure and laid torest next to the remaining fancomponents.

The DC motor cannot be removedwith destruction of the fan since it isglued to the plastic fan wings itself.

Portable Fan Teardown

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