To connect the circuit for the porridge and pho cooker with two modes (custom cooking and quick cooking), first, AC power is supplied to the circuit breaker (MCB) to protect the circuit from overload and short circuit. From the circuit breaker, the wire is connected to the mode switch, which helps to switch between the custom cooking mode and quick cooking mode. In the custom cooking mode, the user can adjust the heating element power through the potentiometer or power controller. When switching to quick cooking mode, the heating element operates at maximum power. Finally, the heating element is connected to the circuit and the indicator light is connected to display the operating status of the pot. This simple circuit helps the porridge and pho cooker operate flexibly, save time and easily adjust the cooking power.
I. Determine the equipment needed for the system
1. FOTEK SSR-25VA 1-phase semiconductor
Number of load phases | 1 phase |
Input voltage | Variable resister (250kOhm/110VAC), Variable resister (500kOhm/220VAC) |
Load voltage | 24...380VAC |
Load current | 25A |
Switching characteristics | Zero-cross |
Type | Solid state relay for heating equipment |
Integrated heatsink | No |
Status indicator | Led indicator |
Leakage current (main circuit) | 3.0mA |
Maximum voltage drop when output is ON (main circuit) | 1.6V |
Installation method | Surface Mount |
Connection method | Screw |
Ambient temperature | -20...80°C |
Relative mass | 105g |
Overall width | 45mm |
Overall height | 60mm |
Overall Depth | 22.5mm |
Representative standards | CE, RoHS |
2. RCBO CHINT 1P+N 20A NXBLE-32 1P+N C20 30MA
This circuit breaker is an ideal choice for protecting electrical circuits in industrial and civil applications, helping to ensure safety during the use of electricity. The circuit breaker has the ability to protect against overload, short circuit, current isolation and leakage, helping to protect electrical equipment and prevent possible electrical incidents. The device meets international standards such as IEC/EN60947-2 and is CE certified.
Detailed parameters of the device include:
+ Rated load current: 20A
+ Rated leakage current: 0.03A
+ Rated voltage: 230V~
+ Frequency: 50/60Hz
+ Thermal magnetic circuit breaker: C
+ Number of poles: 1P+N
+ Mechanical durability: 20,000 cycles
+ Electrical durability: 10,000 cycles
+ Rated short-circuit breaking capacity (Icu): 6000A
+ Short-circuit breaking capacity (Ics): 6000A
+ Rated impulse withstand voltage (Uimp): 4kV
With these parameters and features, the device provides strong protection, ensuring safety for users and electrical equipment in many different environments, from industrial to residential.
Operating principle of RCBO CHINT 1P+N 20A NXBLE-32 1P+N C20 30MA
When any unexpected incident occurs such as short circuit (risk of fire), exposed wire sheath or accidentally cutting the wire with current running through it (risk of death), etc., this device will automatically cut off the power supply to protect people and the circuit.
Wiring diagram of RCBO CHINT 1P+N 20A NXBLE-32 1P+N C20 30MA
Size RCBO CHINT 1P+N 20A NXBLE-32 1P+N C20 30MA
Application
- In industry, this device plays an important role in protecting expensive equipment and machinery from incidents such as short circuits, exposed wires and other problems related to electrical faults. It helps ensure the safety of both workers and electrical systems in the production environment, avoiding major damage to equipment and minimizing the risk of fire or occupational accidents.
- In the residential environment, this device helps protect electrical equipment such as washing machines, refrigerators, air conditioners, and other household appliances from incidents such as short circuits or exposed wires. This not only helps protect the health and safety of the family but also increases the durability of electrical equipment in the home, minimizing the risk of damage and fire due to electricity.
3. CB TÉP (MCB) BKN-B-1P- C16
3.1 Introducing synthetic products
MCB BKN-b 1P 16A LS circuit breaker is mainly made of insulating and heat-insulating plastic, with high resistance to harsh environments. With a rated current of 6A, BKN-b 1P 16A is commonly used in electrical systems in many different projects.
3.2 Specifications
Product Name | MCCB BKN-b 1P 16A LS |
Number of phases | 1P |
Rated current In (A) | 16A |
Short circuit current Icu (kA) | 10kA |
Rated insulation voltage Ui (V) | (1 pole) 230/400VAC 50/60Hz |
Rated impulse withstand voltage Uimp (kV) | 6kv |
Accessory | Shuntrip, auxiliary contact, alarm contact, power cable |
Standard | IEC 60898 |
Manufacturer | LS – Korea |
3.3 Features of MCB BKN-b 1P 16A LS
- BKN-b 1P 10A switching devices are manufactured with overload, short circuit or overvoltage protection.
- The device has a cutting current of up to 10kA.
3.4 Application
- MCB BKN-b 1P 6A automatic circuit breaker is applied in fields related to the electrical industry, electrical cabinets, automation.
- The product is suitable for construction works, buildings, offices, civil works.
- CB BKN-b 1P 16A LS is present in almost all factories, enterprises, and modern production lines.
- The device is installed in sports centers, commercial centers, complexes.
4. POTENTIOMETER RV24YN20S-B504
4.1 General product introduction
4.2 Product size
5. U-SHAPED HEATING BAR
5.1 Product Introduction
The U-shaped heating element is the most suitable type for pho cooking pots with the main material being high-quality 304 stainless steel that is rust-proof, heat-resistant, durable and easy to disassemble and repair when replacing.
There are 2 types of U-shaped heating elements commonly used for pho cooking pots:
+ 2kw U-shaped heating element: specialized for pho cooking pots with capacities of 20L, 30L, 40L, 50L and 60L
+ 3Kw U-shaped heating element: used for pho cooking pots with capacities of 80L, 100L, 120L, 150L, 200L,
6. HANYOUNG INDICATOR LIGHTS BLUE CRP-25AG, RED CRP-25AR
6.1 Product introduction
Hanyung CRP series indicator light has a power supply voltage of 100-240VAC.Max. 4.4VA current consumption can be best preserved at temperatures from -40-60℃ (suitable for normal conditions).CRP works well, consumes little energy.
6.2 Product code selection table
6.3 Product dimensions
6.4 Application
Indicator lights CRP-25AG, CRP-25AR are used to display the status of control circuits and power circuits commonly found in industrial and civil electrical cabinets.
7. CHINT INDICATOR LIGHT ND16-22C/2 220V YEL
7.1 General product introduction
- Hole size Ø22-
- Use bright LED bulbs, long life
- Protection structure: IP65
- There are 6 types of colors: Green, blue, red, yellow, orange, white.
7.2 Specifications
Product Name | Indicator light phi 22 ND16-22C2 220V YEL |
Type | LED lights |
Power supply | 220VDC/AC |
Color | Yellow |
Ambient temperature | -5 ~ 44 ℃. |
Humidity | Max 90% |
Standard | IEC/EN60947-5-1 |
Certificate | UL, CE |
7.3 Product code selection table
7.4 Dimensions
7.5 Applications
ND16 indicator light is an indispensable device on the control cabinet, used to signal the operating status of the equipment inside the electrical cabinet. The product is compactly designed but has a long life and high reliability, suitable for all types of cabinets.
II. CONNECTION DIAGRAM OF 2-MODE PORRIDGE AND PHO COOKER
III. APPLICATIONS OF THE CIRCUIT
The electric circuit of porridge and pho cookers is commonly used in practice, with 2 operating modes to meet the needs of users:
Custom cooking mode: the capacity of the heating element can be customized with the potentiometer knob, helping users to apply many different cooking situations.
Quick cooking mode: the heating element operates at maximum capacity to help reduce cooking time for users.
III. Applications of electrical circuits
The porridge and pho cooker circuit is a system widely used in food businesses, restaurants, and bars, making cooking dishes such as porridge and pho easy and time-saving. The electrical circuit of porridge and pho cookers usually has 2 main operating modes, designed to meet the diverse needs of users.
IV. Video on how to connect the electrical circuit for a simple two-mode porridge and pho cooker
Conclusion
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