How is the trunk-type power supply system powered by the industrial and mining enterprises?

The wiring mode of the trunk power supply system for power supply at both ends of the industrial and mining enterprise is shown in Figures 1-7. This wiring method has less investment. However, the automation is poorly adaptable and complicated. It can be applied to the secondary load. When there is a tie line on the low voltage side. It is even possible to use a primary load.

Car Phone Holder

The vehicle mobile Phone Holder is to facilitate the driver to place the mobile phone in an appropriate position on the road, and it is convenient to take it down or operate it directly. Convenience and safety are the basic requirements. Car mobile phone bracket mainly has the following fixed ways
1, instrument panel suction cup type. As the first generation of mobile phone holder, the disadvantage is that the sucker is not fast and the mobile phone is easy to drop; The second generation of instrument table sucker type, adding glue pouring process, washable adhesive, effectively solve the generation of suction cup type mobile phone bracket in the instrument table sucker is not fast defects; The advantage of the instrument panel suction cup is that the instrument panel position is optional and placed in the most comfortable position.
2, front stop suction cup type. Installed on the front windshield, the disadvantage is far away, hand operation is not convenient, the installation position has the doubt of blocking the line of sight; The advantage is that the suction is firm, there will be no doubt about the injury of the car, more assured; Look at the navigation can almost face to face, navigation is more convenient;
3, outlet type (hook, clip blade). Installed in the air conditioning outlet position, the disadvantage is that due to different models, the fixed structure and position is limited, can not rotate and adjust the Angle; The advantage is the close distance and convenient operation;
4. Magnetic 360-degree rotating paste mobile phone holder. Installed in any plane position convenient for the driver to operate, the disadvantage is a small suction on the mobile phone after the adjustment Angle is limited, paste will be placed to remove the mark, the advantage is compact, do not block the line of sight, can be taken down by one hand to answer the phone.
5, silica gel or other anti-slip bracket, the shortcomings can not adjust the direction, the mobile phone is not secure enough, the advantages of fixation and convenient removal of the mobile phone

Reteck Electronic Co., Ltd. , https://www.reteck.com

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