Battery Communcation Utility Project
Hi,
Here are one of the first results of my project: https://www.youtube.com/edit?o=U&video_id=-oevROzBgAg Intending to measure cells inside battery pack before to open the casing. Be back with updates. Felix. |
Your link doesn't work for me
Don |
Yeah, link doesn't work. I think it goes to his account's video edit page.
I have chargers that monitor each battery cell in an electric model but they are only two to six cells. Each cell has its own wires to a separate plug the charger can connect to for monitoring. So, the battery pack has a power plug and a monitor/balancing plug. The dozens of cells in a Segway do not have that kind of wiring so I wonder how they can check individual cells without a voltmeter put on each one (case opened). |
I would guess he can't monitor individual cells either - Probably only the 23 groups of 4 cells in parallel
Don |
here is new link:
https://youtu.be/-oevROzBgAg of course not each cell, but 23 groups, (23 raw values, scaled , but for the moment not offseted, working on it...). and: -average temperature -four temperature sensors, -state of charge bar graph, -chemistry and Rev.XX, -statuses registers, and so on... Be back with updates! |
We have software that does this as well along with many other functions. It looks like your doing a great job so far!
|
Hiello MTO,
Is only a beginning, I'm working on it, now i have implemented a touchscreen TFT display, the 20x4 was very poor for this application. Basically is about challenge an ambition to do that, but on the other side i really need this tool in my workshop. Will implement charge/discharge function to integrate the current and calculate the real capacity of the battery, useful function when i have to sort the best or weakest batteries from a lot. be back soon! |
https://youtu.be/VJa-NJ7qd3Q
New TFT Display implemented. Next is the menu and a nice look, good page arrangement and alignment. Most of the parameters are ready calculated and good to be displayed. Cheers! |
1 Attachment(s)
New graphics
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Nice display.
Take a look at the old Cellpro 4s lithium battery chargers FMA used to make (might still). It is just a circuit board with standoffs that hold a metal face plate/display with heavy clear shrink wrap around the whole assembly. A nice sticker covered the face plate so it looked professional. No case needed (shrink wrap is the case) and easy access to the mode switch and cable connectors. I think that is how they made them when they were a start up. Cellpro 4s pics: http://www.bing.com/images/search?vi...x=4&ajaxhist=0 http://www.bing.com/images/search?vi...=17&ajaxhist=0 |
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