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倹約DIY

12 Apr 202414:36

Summary

TLDRIn this DIY video, the creator explores the feasibility of building a cost-effective soldering fume extractor. They discuss the health hazards of inhaling soldering fumes and the high cost of commercial extractors. The experiment involves using affordable PC fans and various filters, including HEPA and activated carbon, to create a homemade version. Despite initial attempts with axial flow fans, the video concludes that a centrifugal fan or cyclone type might be necessary for effective filtration, suggesting that while a budget approach is possible, it may not suffice for capturing harmful particles.

Takeaways

😷 The video discusses a DIY project to create a soldering fume extractor to avoid inhaling harmful fumes during soldering.
🛠️ The creator aims to make a cost-effective and high-performance soldering fume extractor, challenging the expensive commercial options.
💡 The basic structure of a soldering fume extractor consists of a fan to draw in the fumes and a filter to remove harmful substances.
🛒 The video recommends using a PC fan for its affordability, availability, and quiet operation, but notes its drawback of low suction power.
🔌 The creator suggests stacking fans to overcome the suction power issue, despite the potential loss of efficiency.
🔋 A PD trigger cable is used to power multiple fans, allowing for a feasible DIY solution within a reasonable power consumption.
💸 Commercial filters are expensive and need frequent replacement; the video proposes using air purifier filters as a cost-effective alternative.
🧹 The video demonstrates the use of HEPA filters combined with activated carbon for superior performance.
📏 The creator uses a 3D printer to make a fixture for holding the filters, showcasing the utility of 3D printing in DIY projects.
🔧 The DIY process involves cutting the filters to size, attaching them to the fixture, and ensuring they fit securely without leakage.
🚫 Despite the efforts, the video concludes that using inexpensive PC fans for a proper fume extractor is not feasible due to their low static pressure, which prevents effective filtration.
🌀 The video suggests that a centrifugal fan or a siphon fan might be necessary for a truly effective DIY soldering fume extractor.

Q & A

What is the main purpose of a soldering smoke extractor?
-A soldering smoke extractor is a device designed to capture and remove smoke generated during soldering processes, which can be harmful to health and cause discomfort due to coughing and irritation.
Why are commercially available soldering smoke extractors expensive?
-Commercially available soldering smoke extractors are expensive due to their brand value, the cost of the filters used to remove harmful substances, and the overall manufacturing and marketing costs.
What is the DIY approach to creating a soldering smoke extractor as described in the script?
-The DIY approach involves using affordable PC fans, which are cheaper and can be found easily, to create a fan system that can draw in smoke. The script also mentions using a 3D printer to create a fixture for the filter and experimenting with different types of filters.
What type of fan did the script suggest using for the DIY soldering smoke extractor?
-The script suggested using a 12cm PC fan, which is cost-effective and has good silent performance, but noted that it has a significant drawback of being underpowered.
What is the issue with using multiple PC fans stacked vertically for the DIY extractor?
-Stacking PC fans vertically can help increase the suction power, but since these fans are not designed for this purpose, they may not perform optimally, and the overall performance might not meet the expectations for a smoke extractor.
What is the role of filters in a soldering smoke extractor?
-Filters in a soldering smoke extractor are crucial for removing harmful substances from the smoke. They are typically made of activated carbon, which can adsorb these harmful components.
Why are activated carbon filters expensive and require frequent replacement?
-Activated carbon filters are expensive because of the material cost and the process involved in activating the carbon. They require frequent replacement because they can become saturated with harmful substances over time, reducing their effectiveness.
What alternative filter did the script suggest for the DIY extractor?
-The script suggested using air purifier filters, which are more cost-effective and come with a combination of activated carbon and HEPA filters, offering a high-performance solution.
What is the significance of static pressure in the context of the DIY extractor's fan?
-Static pressure is significant because it determines the fan's ability to overcome resistance, such as that from filters. Fans with low static pressure, like the PC fans used in the DIY project, struggle to pull air through filters effectively.
What was the conclusion of the experiment regarding the use of PC fans for a soldering smoke extractor?
-The conclusion was that while it is possible to create a basic smoke extractor using PC fans, the results are not satisfactory for effectively capturing and filtering harmful substances due to the low static pressure of the fans.
What type of fan is recommended for a more effective DIY soldering smoke extractor?
-The script suggests that a centrifugal fan or a siphon fan, which has higher static pressure, would be more suitable for an effective DIY soldering smoke extractor that can handle filters with higher resistance.

Outlines

00:00

🛠️ DIY Smoke Absorber Introduction

The script introduces a DIY project to create a cost-effective soldering smoke absorber. The author discusses the health hazards of inhaling soldering fumes and the high cost of commercial smoke absorbers, which often include expensive filters. The goal is to build a functional smoke absorber with a focus on affordability and performance, using a simple structure consisting of a fan to draw in the smoke and a filter to remove harmful substances. The choice of fan is a PC 12cm fan for its affordability, availability, and quiet operation, despite its low static pressure which may hinder the smoke absorption when filters are used.

05:05

🔧 Experimenting with Fan Configurations and Filters

The author experiments with different configurations of the affordable PC fans to improve the smoke absorption capabilities, including stacking fans vertically and connecting them in series. The use of a PD trigger cable is mentioned to power multiple fans with a single 12V 3A power supply. The script also explores the use of alternative filters, such as repurposed air purifier filters, which offer a combination of activated carbon and HEPA filters for superior performance. However, issues arise with wind leakage and insufficient static pressure, leading to the conclusion that a more robust fan type may be necessary.

10:08

🚫 Limitations of Axial Fans and the Need for Centrifugal Fans

The script concludes with the realization that the low static pressure of axial fans, such as the PC fans used in the experiment, makes them unsuitable for driving smoke through effective filters like HEPA and activated carbon filters. The author suggests that a centrifugal fan or a similar type with higher static pressure would be necessary to create a truly functional smoke absorber. Experiments with thinner non-woven fabric filters show some promise but are still not sufficient. The author expresses a desire to create an improved version of the smoke absorber, possibly using centrifugal fans, and encourages viewers to subscribe for more cost-saving DIY information.

Mindmap

Keywords

💡Soldering Smoke

Soldering smoke refers to the fumes produced during the soldering process, which can be harmful when inhaled. In the video, the creator discusses the health hazards of inhaling soldering smoke and the need for a soldering smoke extractor to mitigate these risks.

💡Soldering Smoke Extractor

A soldering smoke extractor is a device designed to capture and remove smoke generated from soldering activities. The video's theme revolves around the DIY (Do It Yourself) creation of such a device, aiming for a cost-effective and efficient solution to the problem of soldering smoke.

💡DIY (Do It Yourself)

DIY stands for 'Do It Yourself,' a concept central to the video where the creator attempts to build a soldering smoke extractor from scratch. The term reflects the maker culture and the desire to create practical solutions with available resources.

💡PC Fan

A PC fan is a type of cooling device used in personal computers to maintain optimal temperatures. In the context of the video, the creator considers using a PC fan as the basis for the soldering smoke extractor due to its affordability and availability.

💡Static Pressure

Static pressure in the context of fans refers to the pressure developed across the fan when there is no flow, which is crucial for understanding the fan's ability to overcome resistance, such as that from filters. The video explains that the low static pressure of PC fans makes them unsuitable for driving smoke through filters.

💡Filter

Filters in the video are components designed to remove harmful substances from the smoke. The creator discusses the use of activated carbon and HEPA filters, which are common in air purifiers, as a cost-effective alternative to commercial soldering smoke extractor filters.

💡Activated Carbon

Activated carbon is a form of carbon processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions. It is used in filters to remove contaminants. The video mentions the high cost and the need for frequent replacement of activated carbon filters in commercial products.

💡HEPA Filter

A HEPA (High-Efficiency Particulate Air) filter is a type of air filter that can remove at least 99.97% of airborne particles of 0.3 micrometers. The video suggests using a HEPA filter in combination with activated carbon for a highly effective smoke filtration system.

💡3D Printer

A 3D printer is a device that creates three-dimensional objects from digital models. In the video, the creator uses a 3D printer to fabricate parts for the DIY soldering smoke extractor, demonstrating the utility of 3D printing in custom fabrication.

💡Centrifugal Fan

A centrifugal fan is a type of fan that uses a rotating impeller to generate pressure and move air. The video concludes that a centrifugal fan, or 'sirokko fan' in Japanese, would be more suitable for a soldering smoke extractor due to its higher static pressure compared to axial flow fans like the PC fan.

💡Cost-Effectiveness

Cost-effectiveness in the video refers to the creator's goal of building a soldering smoke extractor that is both affordable and performs well. The experiment with PC fans and the consideration of alternative filter materials reflect the pursuit of a balance between cost and functionality.

Highlights

Introduction to a DIY experiment to create a soldering fume extractor on a budget.

Soldering fume extractors are devices that capture smoke produced during soldering, which is harmful to health.

Commercial fume extractors are expensive, prompting the creator to consider a homemade alternative.

The basic structure of a fume extractor consists of a fan for smoke suction and a filter to remove harmful substances.

The choice of a PC fan for its affordability and high performance, despite its low static pressure.

Experimenting with stacking fans to overcome the issue of low suction power due to the low static pressure.

Using a PD trigger cable to power multiple fans, allowing for a cost-effective solution.

Discussion on the high cost and frequent replacement needs of commercial activated carbon filters.

Innovative approach of repurposing air purifier filters as an alternative to expensive activated carbon filters.

Explanation of the properties and benefits of activated carbon and HEPA filters in capturing harmful particles.

Utilizing a 3D printer to create a simple and cost-effective fixture for securing the filters.

Demonstration of cutting the air purifier's HEPA filter to fit the homemade fume extractor.

Testing the homemade fume extractor and observing air leakage issues due to insufficient static pressure.

Experimenting with connecting multiple fans in series to improve suction power and reduce air leakage.

Realization that using PC fans may not be effective for creating a proper fume extractor due to their low static pressure.

Consideration of using a centrifugal fan or a siphon fan for better static pressure and filtration.

Experiment with thin non-woven fabric as a filter to test the limits of suction with a low-cost solution.

Using a DIY vacuum cleaner with a centrifugal fan as a test, demonstrating the necessity for higher static pressure.

Conclusion that a proper fume extractor may require higher costs but is necessary for effective filtration.

Call to action for viewers to subscribe for more cost-saving DIY information and to rate the video if found helpful.