Tango
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Pics of the EVSE Innards

Wed Dec 01, 2010 6:17 pm

So, i had my AV EVSE installed today. I wasn't sure if anyone posted pics of the insides yet, so while they were doing it, i took a couple of pictures of the innards.

They're on my blog (http://electriceptor.wordpress.com), but here they are too:
Image
(http://electriceptor.files.wordpress.co ... l-1600.jpg)


Image
(http://electriceptor.files.wordpress.co ... l-1600.jpg)

...alex...
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gudy
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 6:23 pm

wow ... and they want me to believe that this is worth $720 ?
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GroundLoop
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 6:25 pm

Oh wow.
Image

It's a wiring junction box, with a relay and some indicators. Where's the circuit board that does the pilot signal? Is it behind the indicators, or in a shrink-wrap lump on the wire? :0

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sdbonez
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 7:15 pm

gudy wrote:wow ... and they want me to believe that this is worth $720 ?
Logo and marketing of 'Zero Emission' is at least $699 of that....
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mitch672
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 7:19 pm

I predict a Chinese knock off within 90 days, at less than $400, and most of that will be for the J-1772 connector/cable assembly.
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johnr
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 8:06 pm

Thanks Tango for posting the pics!!

LOL, I can count about $50 worth of parts in there. Oh, and to answer GroundLoop regarding the power signalling circuit board, there is this little board at the top left corner, could this be it?
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mitch672
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 8:15 pm

doesn't look like it, therre is no wire going to the J-1772 cabling area from that area..

My guess is the pilot signal generation is done on the PC board that the LEDs and switches are mounted to, there are several small gauge wires running from the PCB to the J-1772 wiring area. Again, these will be knocked off in China very quickly (maybe), as the EVs start arriving in 2011, these will be dropping in price quickly. the only thing keeping the price high will possibly be such low demand for these EVSEs, and 20-30K Nissan Leafs is not "high demand", now talk hundreds of thousands and multiple Chinese mfrs would be interested, and the price would fall faster...
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EVDRIVER
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 8:21 pm

I believe it is on the right side where the small control wires are. I saw the inside of one of these cheap devices a few months ago and laughed at how little is inside, nothing like the old AVCON models. This thing is really worth about $200-250 retail at best with the highest cost being the copper in the cable.

tps
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Re: Pics of the EVSE Innards

Wed Dec 01, 2010 9:03 pm

It will be interesting when we get a chance to compare the innards of the AV with the innards of the Leviton (and other) units... Clipper Creek this ain't!

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garygid
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Re: Pics of the EVSE Innards

Thu Dec 02, 2010 12:31 am

The light blue in the cable to the e-hose appears to be the strain-relief cutoff, pulling out of a spade connector on the left side of the relay.

The "device" at the upper left (circled in red in one picture) MIGHT be the 240v AC to +/-12v DC power supply, but I cannot see the DC wires (if any).

The Toroidal core is to detect the unbalanced 240v current flow, and possibly Ground-current, as the GFI sensing element.

It looks like the controling "circuit board" might be under the relay, perhaps to make it difficult to access? Perhaps it includes a thermal sensor for the relay?

The twisted red and black pairs from the cover are probably the Start and Stop switches.
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