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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62 views

Why does the voltage drop when connected to loads and what's the solution? [on hold]

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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190 views

What can you tell about our circuit diagram? Any suggestions?

This is our circuit for our research which is the conversion of heat to electricity. The TEG module will convert the heat to direct current. It will give energy to the voltage booster moduleto and the ...
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168 views

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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32 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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102 views

Overvolting Peltier

I currently have a 12v 6A Peltier bolted to 2 heatsinks, with 2 separate fans. The old PSU I used for this system went kaput, so I would like to find a temporary replacement before I buy a new power ...
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Is it worth to try making peltier based refrigerator?

I built a box from 5cm thick Styrofoam with outer dimensions 60x55x80cm. I wanted to use it as a fermentation chamber for home brew purposes. The reason why I did not choose regular (some used cheap) ...
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42 views

How can I connect a Peltier Element?

I need help to anyone who can help me 🙂 A peltier can be reversed. So If I supply + to RED and - to BLACK it works as expected. But if I reverse the polarity, ( - to RED, + to BLACK), it will also ...
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601 views

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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72 views

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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Need help in wiring two Peltier Plates together

I have two of the BXQINLENX 55x55MM 7V 1.25A TEG1-241-1.4-1.2 Thermoelectric Power Generation Peltier Modules. I am trying to make something like an Ecofan by sandwiching them between one aluminum ...
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68 views

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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car A/C using peltier devices, is it feasable'

In a couple of forums where we are working on kit cars with VW air cooled engines and therefore little room for conventional air con compressors etc we are looking at electronic means of getting ...
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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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89 views

Testing a diode's electrical characteristics with temperature control

I would like to test a few diodes electrical characteristics at their device low limit, ambient, and device high limit temperatures. I was thinking of using a Peltier element with a heat sink, but I'...
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343 views

Adding Peltier module to an evaporative cooler

I'm planning to add a two Peltier module (TEC 12706 with heatsink on both sides) on a evaporative cooler but I cannot decide where should I put them. Here's the idea: Idea B would be good but I'm ...
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How efficient is a Peltier TEC1-12706 and TEC1-12715

I need to know some details about Peltier coolers before moving into making an air-conditioner. I have watched several videos on YouTube that demonstrate making air-conditioners with Peltier thermo-...
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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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335 views

Confusing peltier efficiency COP/Volts and COP/Amps graphs question

Is peltier efficiency (COP) based on current and not voltage and could I have any voltage I want and get a high COP if I limit current? Whats confusing is that one graph shows efficiency based on ...
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127 views

drive peltier element

Hi People... I`m working on a Project to create a Colling controled box using peltier elements.. The circuit above works as a voltage follower, dropping DC voltage on the peltier. Allthough its ...
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56 views

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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60 views

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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Thermoelectric Module and DPDT switch

I am trying to develop a product using thermoelectric modules. This thermoelectric module (TEC) is a heat pump that is capable of pumping heat from one side into the other by applying voltage. By ...
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1answer
57 views

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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569 views

How do I connect the wires on a PC Power Supply that supplies +3.3V, +5V, +12V, -12V, and +5Vsb to make 15 Volts for Peltier module?

I've selected the Corsair CS450m as the PSU. I also found a 12V DC 30A 360W Switching Power Supply on eBay for about $54 AUD (I'm not allowed to show the link), but I wouldn't know how to get it to ...
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68 views

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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12k views

What power supply do I need to power 4 peltier plates with 5A 12V each?

I need to power 4 peltier plates (tec1-12706) with 12V and 5A for a thermoelectric cooler project. I wish to have maximum cooling. Also I need to attach a few(4) computer cooling fans to dissipate ...
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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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2k views

2 nos Peltier connection… Series or parallel

I'd like to build a mini AC using two Tec1 12706 Peltier modules. If I use two of them, should they be connected in series or parallel? Can I use a 12VDC power supply that outputs 2A and takes 220VAC ...
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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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58 views

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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53 views

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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607 views

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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197 views

12V PWM controller for 12V fan that gets faster with the COLD

I need a controller for a 12 V - 1A fan, blowing on the cold side of a Peltier element to keep it at constant temperature. I have the hot side under control. I have seen multiple cheap PWM ready-to-...
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Trying to understand Peltier module specification

I baught this module The specifcation says: ...
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1answer
31 views

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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228 views

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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45 views

tec laser diode cooling

I would like to cool a laser diode, which has maximum thermal power of 1 W (actually according to datasheet should not be higher than 830 mW). The operating temperature range is (25-30) Celsius. I ...
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185 views

Limiting Cold Side Temperature on Peltier

I'm trying to cool my computer's CPU by sticking a peltier between the CPU and the heatsink, however I don't want to deal with preparing my motherboard and for condensation. Therefore I want to keep ...
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47 views

Thermoelectric Cooler sensor

My team and I are testing our Peltier Thermo-Electric Cooler Module+Heatsink Assembly - 12V 5A from Adafruit. We are using an external power source and sensors to get readings for the current, voltage,...
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65 views

Peltier temperature change speed

I currently have four 12V 6A peltiers connected to PID's, heatsinks, a power supply and I use Labview program to control them. What I want to achieve is changing the temperature of the Peltier devices ...
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59 views

Is it possible to produce electricity with a candle via converting it on a 12v TEC peltier?

Im a Grade 12 Student and planning to work a project on our research paper with an engineering course related proto type machine. Im planning to make a TEC1-12706 12v peltier converts and produce ...
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1answer
69 views

Assemble Peltier Cooler to Li-poly Rc Battery

I have procured a thermoelectric cooler (TEC, this one) and my purpose of the TEC is to produce current for the Li-poly RC battery to increase its battery life. The Li-poly RC battery has 7.4V stated ...
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73 views

Is there a SSR like device that can switch at kHz frequencies?

I'm designing an industrial control system that incorporates several peltier devices. As I understand it, these devices are more efficient when driven with a constant voltage, vs being cycled every ...