Thingiverse
Atorch DL24 Electronic Load Case by wisestone
by Thingiverse
Last crawled date: 3 years, 2 months ago
This project takes an Atorch DL24 Electronic Load module and makes some minor modifications to it and encloses it into a custom 3D printed enclosure to provide improved handling and board protection. The project also converts the DL24 from needing a mains power adapter to being battery powered.
There’s a lot to like about the DL24. It’s core function as an electronic load is well done. Areas that need significant improvement includes the documentation and supports apps on Windows, iOS and Android tarnishing an otherwise useful tool in the lab. This project is focused only on the DL24 module core function.
The DL24 draws less than 1W of power, so it will work nicely from a battery source, making it portable, too. The chosen 18650 2500mAh battery should drive the signal generator for 10+ hours between charges. The 18650 3.7V output voltage is brought up to the needed 6-12V by a MT3608 buck booster module. For my needs, I have not included a battery charging port nor charging circuit. Instead, when charging is due, I remove the 18650 and charge it externally.
Note: Keeping in mind the introduced battery power source. If you intend to place the DL24 under test for more than a day at a time, this project is not for you.
See included PDF User Manual (where site allows) for further details.
The module is readily available. I purchased my Atorch DL24 Electronic Load module and Au power adapter from eBay for less than AU$60 from here:https://www.ebay.com.au/itm/150W-Battery-Capacity-Tester-20A-Discharge-Constant-Current-Electronic-Load-200V/353351870107?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Here is my 3D design. My design may match your needs, too.
To make the print result more interesting, I do a filament colour swap near the end so that the raised text is printed in another colour and make it more visible. The filament colour swap is setup in your slicer software. Setting up the filament colour is easy in PrusaSlicer, other slicers probably, too.
My print is made in PETG 1.75mm Aurarum silver and black filaments, with 0.2mm layer height and 15% infill on a PRUSA I3 MK3S printer.
I hope you can find this design useful, too.
Remember to leave me some feedback or even a tip to keep me enthused to make more of these drawings.
There’s a lot to like about the DL24. It’s core function as an electronic load is well done. Areas that need significant improvement includes the documentation and supports apps on Windows, iOS and Android tarnishing an otherwise useful tool in the lab. This project is focused only on the DL24 module core function.
The DL24 draws less than 1W of power, so it will work nicely from a battery source, making it portable, too. The chosen 18650 2500mAh battery should drive the signal generator for 10+ hours between charges. The 18650 3.7V output voltage is brought up to the needed 6-12V by a MT3608 buck booster module. For my needs, I have not included a battery charging port nor charging circuit. Instead, when charging is due, I remove the 18650 and charge it externally.
Note: Keeping in mind the introduced battery power source. If you intend to place the DL24 under test for more than a day at a time, this project is not for you.
See included PDF User Manual (where site allows) for further details.
The module is readily available. I purchased my Atorch DL24 Electronic Load module and Au power adapter from eBay for less than AU$60 from here:https://www.ebay.com.au/itm/150W-Battery-Capacity-Tester-20A-Discharge-Constant-Current-Electronic-Load-200V/353351870107?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Here is my 3D design. My design may match your needs, too.
To make the print result more interesting, I do a filament colour swap near the end so that the raised text is printed in another colour and make it more visible. The filament colour swap is setup in your slicer software. Setting up the filament colour is easy in PrusaSlicer, other slicers probably, too.
My print is made in PETG 1.75mm Aurarum silver and black filaments, with 0.2mm layer height and 15% infill on a PRUSA I3 MK3S printer.
I hope you can find this design useful, too.
Remember to leave me some feedback or even a tip to keep me enthused to make more of these drawings.
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