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Electric hoists represent their own machinery, strength, and toughness, while the stage is elegant, flowing, and soft, with conflicts and collisions between the two.

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stage hoist control box |

intelligent stage electric hoist control box

Time：2025-01-08

Brief Explanation :

The control box of the electric hoist is an important component of the electric hoist. It is like the "brain" of the electric hoist, mainly used to control actions such as the lifting, lowering, and l

Category : Controller

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Product Details

Main Components of the Electric Hoist Control Box

Contactor

The contactor is one of the key components of the control box. Its main function is to control the on and off of the circuit, thereby achieving the start and stop control of the electric hoist motor. When the control box issues commands such as lifting or lowering, the contactor will close or open the circuit accordingly. For example, during the lifting process, the contactor closes, energizing the motor to rotate and driving the lifting mechanism of the electric hoist to work. Moreover, the contactor can withstand a relatively large current, ensuring the stable operation of the motor under normal working current and effectively protecting the motor from damage caused by overloaded current.

Relay

The relay plays a role in signal conversion and amplification in the control box. It can convert weak control signals into signals capable of driving execution elements such as contactors. For instance, when an operator presses a control button, the weak electrical signal generated by the button is first transmitted to the relay. After being amplified and converted by the relay, the signal then controls the action of the contactor. At the same time, the relay can also implement some logical control functions, such as the interlock function, to ensure that the electric hoist does not perform mutually conflicting actions simultaneously, for example, it will not perform upward and downward operations at the same time.

Control Buttons

The control buttons are the direct interface for operators to interact with the control box. They generally include function buttons such as up, down, left, and right. These buttons usually adopt an ergonomic design to facilitate operation by the operator. When a button is pressed, an electrical signal is generated, and this signal is transmitted to the internal circuit of the control box to trigger corresponding actions. Additionally, the buttons usually have clear markings to prevent misoperation by the operator.

Circuit Board

The circuit board is the core carrier of the control box, with various electronic components integrated on it, such as chips, resistors, capacitors, etc. It plays a role in connecting and controlling each electrical component. Through pre-designed circuit wiring and programs, precise control of the electric hoist can be achieved. For example, the chip on the circuit board can, based on the signals transmitted from the control buttons, perform operations and processing, and then output appropriate signals to control the actions of the contactor and relay, thus achieving the precise movement of the electric hoist. At the same time, the circuit board can also monitor the operating status of the motor, such as detecting parameters like the motor's current and voltage, so as to take timely measures in case of abnormal situations.

Stage Hoist Controller