Thermoelectric Peltier Refrigeration Cooling System DIY Kit without TEC-12706
❄️ Thermoelectric Peltier Refrigeration Cooling System DIY Kit (Without TEC-12706)
DIY Cooling • Thermoelectric Technology • STEM Learning
The Thermoelectric Peltier Refrigeration Cooling System DIY Kit is a compact thermoelectric cooling assembly designed for building small cooling systems and learning projects. This kit demonstrates the Peltier Effect, where electric current passing through a thermoelectric module creates a temperature difference between two sides—one side becomes cold and the other hot.
⚠️ This version of the kit does not include the TEC-12706 Peltier module, so the thermoelectric module must be purchased separately.
📊 Infographic Overview
🔹 Basic Specifications
| Feature | Details |
|---|---|
| 🔌 Operating Voltage | 12V DC |
| ❄ Cooling Method | Thermoelectric (Peltier) |
| 🔧 Kit Type | DIY Assembly |
| 🧊 Cooling Component | Requires TEC-12706 module |
| 🧰 Assembly | Screw-mounted components |
| 🌀 Heat Dissipation | Aluminum heat sinks + fan |
🧩 Main Components in the Kit
| Component | Description |
|---|---|
| ❄ Cold Side Heat Sink | Absorbs heat from cooling surface |
| 🔥 Hot Side Heat Sink | Dissipates heat from Peltier module |
| 🌀 Cooling Fan | Improves heat dissipation |
| 🔩 Mounting Bracket & Screws | Holds the system together |
| 🧊 Cold Plate | Surface used for cooling |
⚠️ Not Included:
TEC-12706 Thermoelectric Peltier Module
⚙️ Working Principle
The system operates based on the Peltier thermoelectric effect.
Step-by-Step Operation
1️⃣ Electric current passes through the Peltier module.
2️⃣ One side of the module becomes cold while the opposite side becomes hot.
3️⃣ The cold heat sink absorbs heat from the object being cooled.
4️⃣ The hot heat sink and fan remove heat from the system.
5️⃣ Continuous cooling is achieved as long as power is supplied.
📐 Cooling System Structure
Thermoelectric Cooling Assembly
Cooling Plate
❄
┌────────────────┐
│ Cold Heat Sink │
└────────────────┘
│
┌────────────────┐
│ Peltier Module │
│ (TEC-12706) │
└────────────────┘
│
┌────────────────┐
│ Hot Heat Sink │
└────────────────┘
🌀 Fan
📊 Typical Performance (With TEC-12706)
| Parameter | Value |
|---|---|
| Voltage | 12V |
| Current | 5–6 A |
| Maximum Temperature Difference | ~65°C |
| Cooling Capacity | ~50–60 W |
🤖 Common Applications
🧊 Mini refrigerators
💻 CPU or electronic component cooling
🌡 Temperature control experiments
🧪 Thermoelectric learning projects
📦 Portable cooling boxes
🔌 Compatible Power Sources
The cooling kit can be powered using:
12V DC Power Adapter
12V Battery Pack
DC power supply module
💡 Advantages
✅ Compact cooling system
✅ No refrigerant gas required
✅ Silent operation (only fan noise)
✅ Ideal for DIY electronics projects
✅ Easy assembly
⚠️ Limitations
❌ Lower efficiency than compressor refrigerators
❌ Requires good heat dissipation
❌ High current consumption
❌ Cooling capacity is limited
🔧 Example DIY Project
🧊 Mini Portable Refrigerator
Components
Thermoelectric cooling kit
TEC-12706 Thermoelectric Peltier Module
12V power supply
Insulated container
Features
✔ Compact portable cooling box
✔ No moving compressor parts
✔ Ideal for cooling drinks or small items
