Public case

24

2021-12

Various characteristics of outdoor distribution cabinets

The characteristics of outdoor distribution cabinets, also known as rainproof distribution cabinets, are that they incorporate waterproof functions in their design. These types of distribution cabinets are primarily used outdoors to protect against harsh weather conditions. Firstly, it goes without saying that rainproof distribution cabinets must have dustproof and waterproof capabilities, and they also need to be resistant to acids and alkalis. The protection level requirements are particularly high, needing to reach IP56.

2021-12-24

Various characteristics of outdoor distribution cabinets

16

2021-12

Classification of lighting distribution boxes and box structure

The lighting distribution box is divided into two types based on installation methods: closed hanging type (surface-mounted) and embedded type (flush-mounted). The main structure consists of components such as the box shell, panel, installation bracket, neutral busbar, and grounding busbar.

2021-12-16

Classification of lighting distribution boxes and box structure

10

2021-12

Key points of high-power DC power supply technology

In the 1960s, the emergence of high-power DC power supplies gradually replaced linear voltage regulators and SCR phase-controlled power supplies. Over the past 40 years, high-power DC power supply technology has undergone rapid development and changes, experiencing three stages of development: power semiconductor devices, high frequency and soft switching technology, and the integration technology of high-power DC power supply systems.

2021-12-10

Key points of high-power DC power supply technology

04

2021-12

Several situations that may occur when using a DC power supply.

1. In one scenario of a DC power supply, there is current but no operating voltage; in another scenario, there is operating voltage but no current. When either of these situations occurs, the operator should check whether the power supply load is good, whether there is a short circuit fault or disconnection, and whether the load meets the standards. Additionally, before operating the DC power supply, it is important to check if the power circuit is connected incorrectly. If connected incorrectly, the power supply may be damaged, affecting operational efficiency.

2021-12-04

Several situations that may occur when using a DC power supply.

12

2021-11

Technological innovation is the key to core competitiveness.

The group believes that in the era of economic globalization and information, informatization will be an essential path for small and medium-sized enterprises to enhance their competitiveness, and e-commerce will be the key route for enterprises to achieve informatization. Therefore, the group will continue to focus on promoting the e-commerce and informatization process of Chinese small and medium-sized enterprises, continuously innovating, and launching more and better services to create intelligent Chinese enterprises and achieve smart entrepreneurs!

2021-11-12

Technological innovation is the key to core competitiveness.

12

2021-11

Information technology will become the only way for small and medium-sized enterprises to enhance their competitiveness.

The group believes that in the era of economic globalization and information, informatization will be an essential path for small and medium-sized enterprises to enhance their competitiveness, and e-commerce will be the key pathway for enterprises to achieve informatization. Therefore, the group will continue to focus on promoting the e-commerce and informatization processes of small and medium-sized enterprises in China, continuously innovating, and launching more and better services to create intelligent Chinese enterprises and achieve wise entrepreneurs!

2021-11-12

Information technology will become the only way for small and medium-sized enterprises to enhance their competitiveness.
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