Questions tagged [peltier]

The Peltier effect is a reversible physical process which is exploited in Peltier cooler/heater. The flow of current through this device pumps heat from one plate of the device to the other. This can be used to both heat and cool electronic components.

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Unconventional TEC peltier use (heating)

I'm going to be breeding reptiles, so I'll need an incubator. I'm currently thinking about using tec coolers as a heater inside an insulated box. The issue I'm thinking I'll have is that with a cheap ...
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Feasibility of Sub-Zero Peltier Cooler

So I want to build a micro-cooler (Cooling volume of 1l) to cool a block of tofu from 25C to -5C within 1-2 hours. I'd like to do this with Peltier coolers and I wanted to get some insight from anyone ...
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yet another burned MOSFET issue in H-bridges

I'm trying to get into how H-bridges could be utilised in a heating/cooling peltier module for a personal fun project; I designed the circuitry (shown below), which BTW your feedback and suggestions ...
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Using a Peltier element to power an Arduino

I got myself a Peltier element and want to use it for an IOT project. What is the best way to use the Peltier in order to power an Arduino or something similar every few minutes? (For my project it ...
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6 x TEC1-12706 in series cannot reach desired amperage, why?

]I have 6 EC1-12706 in series connected to a variable DC Power Supply (rated with maximum 30V and 10A). I set the power supply to 30V and 1.50A. My problem is that the DC Power Supply when the output ...
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Peltier Kits Cooling [closed]

I bought 4 12V Tech-12706 Peltier Kits Room Temperature Average 30' C How many Kits I have to install to cool a Insulated ACP Sheet Box Area of 3 Cubic Feet / 90 Litre ? I tried Calculator but could ...
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LED lighting using peltier modules

I want to use a peltier element to power some small test LEDs. The power source should be a TEC (thermal energy converters) or A TEG (thermal energy generators) element. I see a lot of people that don'...
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Fixing hot plate and the heat sink, which thermoelectric module would produce more power?

Thermoelectric coolers (TECs) are typically used to generate temperature difference. Thermoelectric generators (TEGs), however, are used for power generation. While TECs are much cheaper than TEGs, ...
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Optimise Peltier cooling system: PWM or not?

SETUP I have a special test setup for some small circuits that should be cooled down (by air) in a closed box with Peltier elements. It mainly consists of 2 peltier elements (ET-127-20-15 from ...
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Peltiers in series protection

I would like to make a Peltier project and in order to save a little bit of money I would like to connect couple of Peltier in series directly into the power line. As far as I have read I should treat ...
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What is the practical difference between Peltiers of different rated current, e.g., TEC1-12706 vs TEC1-12703?

I'm no expert, but from playing with Peltier modules I understand that, for a constant temperature difference between the two sides, they behave almost as a resistive load, with an almost linear ...
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Peltier questions [duplicate]

Can you use both sides of a Peltier module to distill water? Using one side for heating and the other side for cooling? If so, what type of Peltier module do you need and can you make it solar powered?...
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Performance of thermoelectric generator

I would like to build a self-powered device on the surface of a vehicle without modifying it. It is possible to generate enough power though thermoelectric generator by the temperature difference of ...
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147 views

Can you desalinate or distill water with a Peltier module?

Can you use both sides of a Peltier module to distill water? Using one side for heating and the other side for cooling. If so what type of Peltier module do you need and can you make it solar powered? ...
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Heatsink selection and datasheet specifications for Thermoelectric Generator

I have bought this TEG. I am planning to use it as a generator, for energy harvesting applications. I am having trouble though understanding both the diagrams and the meaning of the TEG's ...
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How to PWM a load regardless of the direction of current?

I'm helping a student at our art academy with an interesting project. She is building an array of peltier elements (let's say 25 to start with). She wants to control them individually using PWM and be ...
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Peltier Heat Generation and Dissipation

Trying to retrofit an old Peltier wine cooler and I a question about the wattage and heat calculations. If I have a 12V power source (switched) so the maximum Wattage it can convert to heat is (105W)...
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Peltier Fridge Heat Loss

I have built a micro fridge to store a breadmaking sourdough starter at 9-10C. The cold compartment is 10x10x10cm, so size is 1 litre with removable lid. Insulation is 50mm polyiso foam all round. ...
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Can I wire these automotive peltier heating/cooling devices as on/off without a temperature controller?

I have an seat removed from a Lincoln MKX that I mounted using scrap wood and heavy casters to use as an office chair that has power adjustment as well as Peltier heating/cooling components in the ...
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My TEC1-12710 peltier cell not cooling enough

I have a TEC1-12710 Peltier cell which supposedly consumes 10 Amps but when I connected to the power supply (12-15 Vdc 15Amp 180 Watt) the cell only used 4-5 Amp and didn't give me good cooling the ...
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Peltier heating/cooling

I live in a reasonable warm place, which requires me to run an AC all day, but I also need to use hot water for shower and other purposes. In this regard, I had the following idea, though I am unable ...
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Can we generate electricity efficiently from a peltier device by supplying heat?

Is it possible to generate electricity from a Peltier device by only supplying heat (not ice)(something above 343 K )? How efficient can it be? Which is more efficient?- Using Peltier device or ...
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Arduino incubator

For my project I am building an incubator using Arduino. I use a DS18B20 to read the peltier temperature (TEC1-12706) a DHT22 to read the room temperature and the peltier. I also have 2 fans on both ...
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Peltier died. Burn out? Condensation leakage? What could cause this?

This is a 12706 module. Running in a 15 minute "on", 2 minute "off" cycle for about 3 days. I have used it another maybe 4 days max since I purchased it. So definitely nowhere near its rated life ...
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Why does the voltage drop when connected to loads and what's the solution? [closed]

I have thermoelectric modules and set it in series, then I connected to a DC to DC step up (CN6009) to enhance the voltage. Then I connected to my phone with usb charger to try charge with it, but the ...
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Why does a Peltier cooler heat up when cooled by ice?

On this post, the question presents a problem of a Peltier cooler heating up after operating for a while. The explanation was that the Peltier cooler is only able to maintain a fixed temperature ...
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101 views

How to calculate output of TEG

I am working on a personal side project and trying to learn what I can about electrical engineering as I progress. I want to use the CP60231H TEG/TEC but I need to calculate it's potential output ...
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What's this thing in a peltier cooler?

I've taken apart a peltier cooling box to salvage the peltier element and also found this thing. The block seems to be plain aluminum, I'm interested in the cylindrical thing at the bottom. The ...
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Under-power a peltier TEC1-12706 [closed]

Is it possible to power a peltier with 12 V and 1 or 2 A?
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How to power 2 15.2v 57.2 watts peltier plates [closed]

I am building a custom peltier cooler out of aluminum insulated with styrofoam I currently have 2 tec-12706 peltier plates and 2 PC fans what would be a adequate power supply for this setup?
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Is it better to run a 24V tec on 12V supply if no controller is available?

I’ve built a prototype cooler using tec modules to liquid cool a human body powered from a 12-14v supply with 30A maximum, using 4 x 70W 12V modules. It works fairly well but looking at the graphs for ...
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Advice for using 60 watt peltiers. Is 12V 3A enough to get the job done?

The weather right now is so bad and hot! A friend of mine runs a mobile stream and his phone refuses to charge when it is hot. His stream crashes because he can't charge his phone or it overheats. Not ...
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General Peltier (lack of) cooling - why?

The physics here are beyond simple. 1ml of water requires 4 watts of cooling to drop 1 degree C. Thus: 30ml x 4W x 33c = 3.96kW (IE cool 30ml by 33c needs 3.96kW of cooling) The TEC01-02015 spec ...
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Peltier module voltage drop

I have built the following circuit - first, I soldered together all the mt3608 components on PCB and tested it (I created DIY voltage step up module), then using jumper wires I connected the battery ...
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Cooling Peltier Maths

I want to construct a peltier cooling system. However, I have limited mathematical skills. Can I ask how to do the maths to calculate how much temperature differential can a specific peltier cool ...
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Water-Based Heat Sink

I am trying to incorporate a TEC in a portable system. The heat from the interior of the system needs to be transfered to the exterior where it can be dissipated freely into the environment. Now, I ...
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Peltier Cooling

I am trying to incorporate a peltier module on a relatively small space. Is there a way to incorporate a 40 x 40 mm heat sink (+- 10mm) to a 40 x 40 mm peltier module in such a way that it can run for ...
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Current Consumption

I have a 3S LiPo as a power source for my circuit. My load consists of a peltier cooler module, a DC fan, and a water pump all running at 12V. Now, the question is: if i incorporate a DC fan that has ...
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12VDC Switching to 17VDC high amerage

It's been years since my undergrad work as an EE. I am a physicist and medical researcher now, but, as a startup, we all take on anything we can. Let's face it... 12VDC high current PSU's are cheap. ...
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General Peltier-tivity

[EDIT: Found a couple of 12715 units in the pile that did suck the full amperage, but despite excellent cooling of the hot side, could not deliver much cooling.] I'm waist deep in project to keep ...
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Energy lost in in Peltier device?

Suppose I power a Peltier device to heat up/cool down some water. Then I later use the same Peltier device, in reverse, to convert the separated heat energy back into electricity. I have read ...
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Will this Cooler Master i70 CPU cooler work for Peltier Module TEC12706? [closed]

I am trying to make a Peltier cooler using TEC12706 and CPU coolers, the data sheet doesn't mention the cooling capacity of the cooler. Cooler Master i70 A TEC12706 typically works on 12V and takes ...
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Peltier AC Operating curve

I was looking at the product description of a 300W Peltier AC (Link) and encountered a curve like this While I'm aware that there will be a dT between the Peltier hot and cold sides, I am not able ...
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Peltier cooling only half of one side

I got my peltier device three days ago and plugged it in as soon as I could with a heatsink. On the first few runs it got cold enough that there was condensation forming on it's cold side. But now ...
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Peltier behaves strangely

I've been trying to test my Peltier moodule (tec1-12706) with 2 1.3V batteries (2.6 in total in series) connected parallel to the module.. ...
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Is there a name for this effect? [closed]

Is there a name for the point where a Peltier cooler loses power and the cold side becomes warmer than the temperature around it and vice versa after power has been lost?
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Peltier thermal electric generator power output

I am new to the Peltier thermal electric generator scene and I am wondering if you could recover some of the electrical energy needed for the cooling of a refrigeration system by using another Tec as ...
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Thermoelectric cooler powered by 12V battery too hot?

I am very much an amateur when it comes to this stuff. Basically I have a set up that goes as follows: Aluminum plate -> TEC (cold side) -> TEC (hot side) -> heat sink -> fan. The battery is 12V ...
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Peltier high limit temperature

Let's say I placed a peltier on the stove, at what temperature will the device fail? Would a temporary failure happen, if so what temperature and is there a permanent failure temperature, whereas the ...
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H-bridge design for Peltier

I am using a pelter module to cool a chamber, I also use the same module to heat the chamber just by reversing the voltage to to.(separately tested and working). This lead me to look for a H-bridge IC ...

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