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Spies
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 2:05 pm

Image

Holy CHAdeMO Batman! Looking at it I think the only way this Frankenstein would fit under the current charge port hood on the Leaf if both the CHAdeMO socket and the J1772 socket were removed and this was put in its place sideways!
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Nekota
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 2:32 pm

This is an improvement ? No locking mechanism apparent, tilted connector prevention, gravity torque issues, (e.g. the dog ran under the cable and tilted up the connector!) Any cross-section / cut away views to see the internal operation?

I was looking forward to a well designed connector but is this really what SAE proposed? So we have to open three doors now to insert one large connector - well at least it's one plug now and I'm sure the ADA will like the size, weight and the 3 door juggling.
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LeafinThePark
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 2:41 pm

Nekota wrote:This is an improvement ? No locking mechanism apparent
I think that is a locking mechanism at the top of the plug...along with a push button release on top of the handle...right where one's thumb would be.
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hodad66
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 2:45 pm

That's one hell of a plug!!
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UhClem
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 3:13 pm

It looks like their main goal was to provide backwards compatibility with existing J1772 plugs. Existing J1772 EVSEs will plug into the new socket and new L2 EVSEs will continue to use the old J1772 plugs. The ridge between on the new plug between the L2 part and the QC part will keep it from plugging into existing J1772 sockets.

To me, it's more disturbing that it appears that the new SAE proposal uses a different signalling protocol than CHAdeMO, which means that a simple connector swap won't be enough to get the new stuff working with the LEAF.

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johnr
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 3:23 pm

I like the ability to use either the quick charge cable or just the J1772 cable in the same socket, but to solve the problem by simply combining it together into an ugly, unwieldy monstrosity sounds rather lazy. Back to the drawing board, this could use some refining for sure. For that matter, I don't get why the J1772 plug cannot accept high voltage DC. Why not simply add a center pin for high-voltage positive and use one of the regular pins as a universal ground connector.
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Spies
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 3:25 pm

UhClem wrote:To me, it's more disturbing that it appears that the new SAE proposal uses a different signalling protocol than CHAdeMO, which means that a simple connector swap won't be enough to get the new stuff working with the LEAF.
I don't think there is anything simple about a connector swap on the Leaf with this thing. It just does not look like it would fit vertically under the current Leaf charge port door. A pigtail adapter might work but I think it would be a massive and expensive adapter. If the protocol does change hopefully all would be needed on the Leaf is a firmware update but I am not holding my breath.
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UhClem
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 4:07 pm

Spies wrote:I don't think there is anything simple about a connector swap on the Leaf with this thing.
I probably should have put "simple" in quotes, or added a :roll: or two :)

If a retrofit happens at all, I'd expect it to be expensive.

Hopefully, if QC manufacturers feel pressure to implement the new standard, they'll just put two "heads" on QCs with each plug.

By the time they get the standard ready, there will likely be 2+ years of LEAF production and 1+ years of Mitsubishi i's.

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JPWhite
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Re: Jamb this in your LEAF

Thu Aug 18, 2011 4:19 pm

The cheapest retrofit will be via a adapter cable/dongle.

The bottom part of the connector looks like it's just to help physically guide the connector into position. Or am I missreading it? Looks like just a 220 connector with a positive guide.
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