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Home> Industry News> How does pressure IH technology change the way traditional rice cookers work?

How does pressure IH technology change the way traditional rice cookers work?

2025,04,08
Pressure IH technology fundamentally transforms traditional rice cooker operation through three-dimensional innovation in heating dynamics, temperature/pressure control, and material engineering:
 
1.Heating Mechanism Revolution 
Traditional rice cookers rely on bottom-mounted heating plates with thermal conduction (heating plate → pot → rice). Pressure IH replaces this with multi-layer electromagnetic coils wrapping around the inner pot, generating eddy currents for direct metal heating. This eliminates 30-40% heat loss . Advanced models like Midea's Chiyan series add top-mounted IH coils (126°C) and side heating bands for 360° wraparound thermal penetration .
 
2. Smart Pressure-Temperature Synergy  
   Integrated microprocessors dynamically adjust pressure (0.3-1.8 atm) and temperature (up to 105°C). For example:  
   - Pre-soak phase: 0.5 atm maintains 40°C for optimal water absorption  
   - Boiling phase: 1.2 atm accelerates starch gelatinization via "three-stage pressure pulses" mimicking wood-fire intensity     - Simmering phase: Instant pressure drop triggers Maillard reaction for aroma enhancement   
 
3. Material Breakthroughs 
   - Inner Pots: Titanium alloy pots with 68 honeycomb nodes (Midea) or diamond-coated copper bases (Toshiba) enable rapid heat diffusion   
   - Sealing Systems: Nine-curve steam valves maintain 100Pa micro-pressure during simmering, preventing nutrient loss   
 
Comparative Impact  
| Aspect                         | Traditional Cookers          | Pressure IH Cookers                      |  
|-------------------------|-----------------------------|--------------------------------------|  
| Heating Efficiency       | 60-70%                             | 90-95%                                          |  
| Rice Expansion Rate   | 120-140%                          | 162% (Midea data)                        |  
| Flavor Compounds     | Low (single boiling)           | 389% aroma increase via Maillard|  
| Energy Use                 | 0.12kWh/meal                   | 0.08kWh/meal (1.8atm models)     |  
 
Small Drum Rice Cooker (5)
High quality Small Rice Cooker (3)
Smart Digital Pressure Cooker (2)
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Author:

Mr. Andy

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luodehua@elecpro.cn

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+86 17727116830

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Author:

Mr. Andy

E-mail:

luodehua@elecpro.cn

Phone/WhatsApp:

+86 17727116830

Popular Products
Company News
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Exhibition News
The 137th Canton Fair -Elecpro Electrical Appliance Sales Co., LTD
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