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Dish-washing machine

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  • This series of products are mainly used for the electronic control of dish-washing machine. They can cooperate with the corresponding operation parts and executive parts to realize all the control functions of oven. They have friendly human-machine interface and optional control units which are designed according to the requirements of customers.


    Man-machine interface mode

    Display mode: digital tube display, liquid crystal display, TFT color screen, etc.

    Key mode: touch the switch, sensing button, etc.


    Executing components

    Dish-washing machine:water heater, drying heater, washing DC motor, drainage pump, water inlet valve, soft water valve, push rod motor, drying fan, distributor, ultrasonic interface

    Temperature measurement of heater detector: thermocouple, platinum resistor, thermistor


    Technical parameters

    I. EMC performance parameters:

    1. Electrostatic immunity (EDS) refers to GB / T 17626.2, level 4 standard: contact discharge 8KV; air discharge 15KV.

    2. Radiated radio-frequency electrom agnetic field immunity refer to national standard GB / T 17626.3, level 3: 80mhz-1000mhz; 10V / M

    3. Electrical Fast Transient/Brust refer to national standard GB/T 17626.4-2008, level 4 standard: 4KV/5KHz;L;N;E, two minutes for positive and negative poles of each phase.

    4. Surge immunity (surge) refers to national standard GB / T 17626.5, line-line 2KV; line -ground 4KV

    5. Conducted susceptibility immunity refer to national standard GB / T 17626.6, level 3 standard: 10V / 150khz-80mhz;

    6. Voltage dips and short interruptions refer to national standard GB / T 17626.11: 2 standard of voltage: 1) fail to 0% last 0.01s,0.02s, fail to 70% last 0.5s 2) 2 standard of short time interruption: fail to 0% last 5s.

    7. Disturbance voltage at mains refer to national standard GB / T 4343.1, the frequency range:(148.5Khz-30MHZ).

    II. Ambient temperature: 0 ℃ ~ 70 ℃; humidity < 80%

    Storage environment: - 20 ℃ ~ 80 ℃; humidity < 80%

    III. working input voltage: 220VAC 50Hz

    Input voltage range value: 187vac < x < 252vac 50Hz


  • Product design highlight

    1. Direct current brushless motor frequency controller

    (1) Advanced FOC vector algorithm. Through the algorithm of three-phase current closed-loop + speed PID closed-loop + FOC vector system, the power, torque and speed can be effectively controlled to ensure that the motor works in the high efficiency area.

    (2) Under the rated speed, adopt the constant torque control, the speed accuracy reaches ± 1%.

    (3) Above the rated speed, adopt the constant power weak magnetic control algorithm.

    2. The standby power consumption of the controller is less than 1W, and the shutdown power is 0.5W lower than the national standard;

    3. Energy efficiency index < 63, which reaches class A standard of dish-washing machine industry;

    4. Power failure recovery: the controller automatically recovers to the working mode and working state at the moment of power failure and runs downward;

    5. The patented touch key spring structure has more reliable contact and higher sensitivity consistency;

    6. 6 major fault defection: Water inlet fault detection, heater fault detection, push rod fault detection, sensor fault detection, BLDC spray motor detection (including locked rotor, overheating, overcurrent), communication fault detection;

    7. 4 major safety protection: super high temperature fire protection, leakage multiple protection, water inlet software and hardware protection, software fault protection;

    8. Software evaluation level B: for the control system with protective electronic circuit, the software can prevent the danger caused by non software fault;

    9. Standard compliance: fully comply with the relevant national dishwasher energy efficiency index, standby power consumption, shutdown power consumption, EMC and safety standards.


    Performance & function introduction

    Menu function: The corresponding washing procedure can be selected according to different washing objects ;

    Power down memory function: After the power supply is restored, it can be operated from the place of power failure to avoid repeated operation and save time.

    Child lock function: prevent misoperation;

    Fault alarm function: stop the machine for alarm after the fault occurs, and display the fault code to ensure the safety of human and machine;

    Timing and clock function: realize the functions of timing washing, appointment washing and clock;

    Glue filling intelligent control board is waterproof and dustproof with longer service life;

    The detection of turbidity can achieve the function of cleaning then stopping.