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Guangzhou Leitai Electronic Technology Co., Ltd

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Introduction to the power distribution and lightning protection system of smart greenhouses?
Date: 2022-02-09Read: 28
The use of intelligent greenhouse control systems in greenhouses can help save manpower and resources. After all, with intelligence, there is no need to worry so much about the environment changing at any time.
1. The vegetable factory adopts the TN-S system for grounding. The N line and PE line inside the Sunshine Vegetable Factory are laid separately, and the cable is grounded according to the specifications at the distribution box only, with a grounding resistance of less than 4 Ω.
2. The vegetable factory control box can be controlled automatically, manually, or stopped according to the controlled object. When manually operated, the contactor can be directly controlled through the panel switch; During automatic operation, the computer sends a signal to control the intermediate relay, which then operates the contactor to control it.
3. Each span of the vegetable factory is equipped with one set of single and three item power sockets, which are convenient for mobile facilities to use electricity and have good waterproof, impact resistant, and anti drop functions.
4. The control box is equipped with an electronic leakage protection unit with a sensitivity of 30Ma, which can ensure personal safety in high humidity environments.
5. Each motor is equipped with overload protection and missing item protection, and the top window motor is equipped with dual limit protection to minimize the risk of shutdown caused by motor damage.
6. Lightning protection system: For the lightning protection of the main body of the vegetable factory, as the main skeleton of the vegetable factory adopts a metal frame, we use a reliable grounding of the metal frame (this grounding system is connected to the grounding system of the power supply); For lightning protection of equipment, a lightning protector is installed at the main power inlet of the Sunshine Vegetable Factory to prevent lightning from entering the equipment through the power cord.