240v to 12v transducer

Submitted: Thursday, Jan 05, 2017 at 23:39
ThreadID: 134056 Views:2714 Replies:3 FollowUps:5
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Looking for the best place to get a 240v to 12v transducer to be able to run a Techniice car fridge. Thanks for any info

Regards Ray

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Reply By: Member - DW Lennox Head(NSW) - Friday, Jan 06, 2017 at 04:15

Friday, Jan 06, 2017 at 04:15
Ray

I think you mean a transformer. I have several for my portable fridges. Jaycar would be a good place to possibly get one. https://www.jaycar.com.au/12vdc-7-5a-switchmode-power-supply-mains-to-cigarette-lighter-socket/p/MP3575

A transducer is an electronic device that converts energy from one form to another. Common examples include microphones, loudspeakers, thermometers, position and pressure sensors, and antenna.

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Duncan
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Follow Up By: Kazza055 - Friday, Jan 06, 2017 at 09:26

Friday, Jan 06, 2017 at 09:26
You might want to get Jaycar to plug this in and run it, they have a small fan and can be very noisy.
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Follow Up By: Member - Raymond J - Friday, Jan 06, 2017 at 19:15

Friday, Jan 06, 2017 at 19:15
Hi Duncan
After all the info went to jaycar and got a transformer, it was for the mates fridge and thanks again.

Regards Ray.

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Reply By: Denis H - Friday, Jan 06, 2017 at 07:42

Friday, Jan 06, 2017 at 07:42
Hi Raymond,

As per Duncan but before you start looking you need to know how much power (Watts) the Fridge will use on 12VDC. This figure maybe given in 'Amp's' which can be high for non compressor Fridges.

Cheers

Denis
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Follow Up By: Member - Raymond J - Friday, Jan 06, 2017 at 19:18

Friday, Jan 06, 2017 at 19:18
Hi Denis,

As you wrote, had to check the Amps to get the write one. Di so and thanks again.

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Reply By: Allan B (Member, SunCoast) - Friday, Jan 06, 2017 at 10:18

Friday, Jan 06, 2017 at 10:18
-
I thought Techniice fridges had the capability to directly accept either 240vac or 12vdc.
The following is from their website......

"Power Supply Options:
With our in built 12v / 24v and 240v connections, you can use your fridge / freezer when connected to mains or when mobile in most vehicles including trucks, 4x4’s and boats making it a very versatile option for keeping your product cold. Both connections can be plugged in simultaneously and can interchange depending on the available source."

Or perhaps that is only the current models. Maybe earlier models were 12vdc only?

However, if that is not the case, a good solution is to use a battery charger that has the "SUPPLY" option of a constant 13.6 volt output. This way you would have the benefit of having a multi-stage battery charger as well as a fridge power supply. My Waeco fridge is running at the moment in my workshop from such an arrangement.
A Ctek MXS-10 or -15 is one such charger.
Not the cheapest option however.

Depending on current draw, a cheap option is to use an external power supply from a discarded laptop computer. Some of these provided 12vdc at up to 7 Amps and can be found at secondhand shops, computer repair shops and council recycle depots


Cheers
Allan

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Follow Up By: TomH - Friday, Jan 06, 2017 at 13:45

Friday, Jan 06, 2017 at 13:45
Just be careful with the lappy supplies as a lot are actually 19 volts and 3.5amps.

Why not look at a Waeco or similar supply that is built for the job

http://www.springers.com.au/product/1761/Waeco-Mobitronic-Rectifier-12V-Power-Supply

http://www.allvolts.com.au/catalogue/WAECO-TRANSFORMER-FRIDGE-POWER-SUPPLY-240VOLT-TO-12VOLT-6AMP-AC-EPS817A-1101_item.html
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Follow Up By: Member - Raymond J - Friday, Jan 06, 2017 at 19:28

Friday, Jan 06, 2017 at 19:28
Hi ALLAN,

The mate and went to jaycar and got a transformer to suit the fridge. His only had the 12 and 24 options so he went with that but thanks for the info on the battery charger. I used to breed finches in large aviaries and used to run light from car tail lights through a battery charger to attract insects for the finches to feed their young. Thanks again.

Regards Ray.

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