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Old 11-28-2009, 09:11 PM   #1
Sawdustguy
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Default I can't leave well enough alone.

Well Kladue has inspired me to look into automation and I have decided to do just that. The project will bring automation to my existing Natural Gas Fired E-RIMS Brewery. I have been looking at alot of the arduino hardware out there and have decided not to reinvent the wheel, so I will go with a Brewtroller (http://www.brewtroller.com). I have started collecting hardware to get this thing going and I will start with the Control Panel which will be the heart of the new automated brewery.

I have the design of the control panel pretty much set in concrete and I will post the drawings below. I will start with the control panel metal work next week. A neighbor of mine owns a machine shop and has agreed to let me use one of his Bridgeports of Saturdays for some Home Brew. I have done this in the past when building my audio equipment so it should work out fine.

The project will not happen over night. I do not want to take the brewery out of commission for the upgrade until I have everything all set to go, to minimize downtime. I will be able to build and test the control panel over the winter and plumb in the necessary sensors and valves in early spring. If I can scrounge up some extra scratch, I will re-plumb the brewery in stainless steel tube. We will see how it goes. I will update this thread from time to time as I progress. I welcome any questions or comments.


This is the brewery as it stands today utilizing simple automation via PID's





Here are the Plans and Drawings to upgrade the Brewery to near Full Automation (you will still have to add grain and hops manually when prompted by the automation for now)


Brew Stand Plumbing Schematic (.pdf file)

Brew Stand Plumbing Schematic


Gas Control Schematic (for both HLT and BK) (.pdf file)

Gas Control Schematic


E-RIMS Schematic (.pdf file)

E-RIMS Schematic


Control Panel Overall Schematic (.pdf file)

Control Panel Schematic


Relay Boards Schematic (.pdf file) *(Note: U1 has been replaced by a DIP Switch so the Brewtroller can control the relays directly)

Relay Board Schematic


USB-BUB Schematic (.pdf file)

USB-BUB Schematic


Power Sopply Data Sheet (.pdf file)

Power Supply Data Sheet


Control Panel Electronics Deck Layout (.pdf file)

Control Panel Electronics Deck Layout


Control Panel Electronics Deck Mechanical Drawing (.pdf file)

Control Panel Electronics Deck


Control Panel Front Cover Labeling Diagram (.pdf file)

Control Panel Front Cover Labeling Diagram


Control Panel Front Cover Mechanical Drawing (.pdf file)

Control Panel Front Cover


Control Panel Top Side Labeling Diagram (.pdf file)

Control Panel Top Side Labeling Diagram


Control Panel Top Side Mechanical Drawing (.pdf file)

Control Panel Top Side Mechanical Drawing


Control Panel Bottom Side Mechanical Drawing(.pdf file)

Control Panel Bottom Side Mechanical Drawing


Control Panel Left Side Mechanical Drawing (.pdf file)

Control Panel Left Side Mechanical Drawing


Control Panel Right Side Labeling Diagram (.pdf file)

Control Panel Right Side Labeling Diagram


Control Panel Right Side Mechanical Drawing (.pdf file)

Control Panel Right Side Mechanical Drawing


Control Panel SSR Heatsink Mechanical Drawing (.pdf file)

Control Panel SSR Heatsink Mechanical Drawing

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Last edited by Sawdustguy; 11-29-2009 at 02:55 AM.
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Old 11-29-2009, 01:59 AM   #2
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Looks like a well planned automation build, have you decided on which level sensors you are going to use for level measurement?.

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Old 11-29-2009, 02:32 AM   #3
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Subscribed! I'm currently designing my herms and got my hands on some 3 piece ss solenoids and this just might make me automat things! I love the orginal but this is even better!

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Old 11-29-2009, 02:49 AM   #4
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Quote:
Originally Posted by kladue View Post
Looks like a well planned automation build, have you decided on which level sensors you are going to use for level measurement?.
Kevin,

I will use the Motorola MPX5010. One of the local semiconductor sales guys who calls on me promised me a half a dozen samples. I chose the sensor because of the built in amplifier and temperature compensation. I will drill a hole in the keggles as low as I can and attach 1/4" weldless coupling without a dip tube. I want to minimize the amount of metal in contact with the hot liquid to prevent the air in the silicone tube from heating up too much and affecting the pressure readings. I will adapt to a 1/8" hose barb and run 1/8" silicone tubing to the sensor which will be mounted in a waterproof cast aluminum box I will mount the sensor box away from any heat source. Does this sound about right to you?
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Old 11-29-2009, 03:40 AM   #5
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I am curious about the possibility of using silicone oil as an inert isolator material for below keggle mounting of the motorola sensors. I dont know if the sensors require isolation from water because of corrosion or if it is any liquid. I have seen some SS isoated pressure transmitters on ebay that would work, ranged at 0 - 55"Wc.

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Old 11-29-2009, 03:57 AM   #6
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You make a great project manager.
I looked at all your PDF files, well done.

This project will be a piece of cake for you, compared to your one of a kind turntable project.


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Old 11-29-2009, 04:06 AM   #7
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Quote:
Originally Posted by ClaudiusB View Post
You make a great project manager.
I looked at all your PDF files, well done.

This project will be a piece of cake for you, compared to your one of a kind turntable project.


Cheers,
ClaudiusB
Thank you. Wow! I consider that a big compliment coming from you! I doubt I will ever top the turntable. There was a lot of physics involved in the turntable design. Writing the G-Code for CNC Machining the platter and bearing was fun having never done it before. Is was a fun project.
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Old 11-29-2009, 04:12 AM   #8
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Quote:
Originally Posted by kladue View Post
I am curious about the possibility of using silicone oil as an inert isolator material for below keggle mounting of the motorola sensors. I dont know if the sensors require isolation from water because of corrosion or if it is any liquid. I have seen some SS isoated pressure transmitters on ebay that would work, ranged at 0 - 55"Wc.
Kevin,

I would love to mount below the kettle but I am using Gas. I saw some guys over on the Brewtroller site who use bottom mounts in their electric brewery's. Unfortunately the Motorola sensors can't get wet as they utilize a strain gage and I can't beat the price being free.
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Old 11-29-2009, 04:21 AM   #9
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That was why I was curious if you could use a high viscosity silicone oil in the tubing that connects to the sensor to isolate it from the water.

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Old 11-29-2009, 05:50 AM   #10
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That was why I was curious if you could use a high viscosity silicone oil in the tubing that connects to the sensor to isolate it from the water.
I see your point. I am only using 3 sensors and am getting 6 of them. It is worth a try with one of them. What type of oil do you suggest?
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