Low-voltage power distribution system and low-voltage power distribution box

Abstract

The invention discloses a low-voltage power distribution system which comprises multiple low-voltage power distribution boxes, wherein the low-voltage power distribution boxes are connected with production equipment, can provide power sources to the production equipment and receives the running state information of the production equipment; each low-voltage power distribution box comprises a display screen, a running state signal processing module and an maintenance information storage module; the running state signal processing module is used to carry out corresponding processing on the received running state information and send to the display screen for displaying; and the maintenance information storage module is used to store the maintenance information and send the maintenance information to the display screen for displaying according to a retrieving instruction. The invention also provides the low-voltage power distribution box. The invention has the following advantages: the installation and operation costs of the low-voltage power distribution system can be reduced for the enterprises, the accuracy of displaying the running state of the production equipment can be improved and the response speed of the equipment maintenance can be improved and the like.

Description

technical field [0001] The invention relates to the field of power supply equipment, in particular to a low-voltage power distribution system and a low-voltage power distribution cabinet. Background technique [0002] In industrial production, in order to ensure the safe and stable operation of production equipment, it is necessary to provide electric energy for each production equipment of the enterprise through a low-voltage power distribution system. see figure 1 , showing a schematic diagram of an existing low-voltage power distribution system, including a main controller 11, a display 12 and a plurality of low-voltage power distribution cabinets 13. The low-voltage power distribution cabinets 13 are connected to the production equipment 14 and are arranged near the production equipment 14 to provide the production equipment 14 with Stable power supply, and at the same time receive the operating status information of the production equipment 14 in real time. Such as th...

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Problems solved by technology

[0003] The above-mentioned low-voltage power distribution system can solve the problems of power supply, control and maintenance in the production of enterprises. However, if the enterprise is large in scale, has multiple production workshops, has many production equipment, is more complicated, and the location is relatively scattered, each low-voltage power distribution The cabinet 13 needs to receive a variety of operating status information of the production equipment 14 in real time and send it to the main controller 11, which affects the data processing capabilities of each voltage distribution cabinet 13 and the main controller 11, as well as the There are high requirements for data communication capabilities between enterprises, which will lead to the cost of installing and operating low-voltage power distribution systems for enterprises

[0004] Most of the operating status information of production equipment is a low-range voltage signal. For example, a 1V-5V analog signal is used to represent the temperature range of 0-100 degrees, and a 1V or 5V signal is used to represent the switching signal of the equipment. The low-voltage signal is in the In long-distance transmission, due to problems such as high-voltage signal interference, large deviations may occur, resulting in a large gap between the operating status of the production equipment displayed on the display 12 and the actual operating status of the production equipment, directly affecting the production efficiency and production safety of the enterprise.

[0005] Applying the above-mentioned low-voltage power distribution system, when the production equipment or the low-voltage power distribution cabinet 13 breaks down, maintenance personnel need to rush to the main control room to check the cause of the failure, and then bring relevant maintenance data to the failed production equipment or low-voltage power distribution cabinet Maintenance at 13 places affects the response speed of equipment maintenance, increases the burden on maintenance personnel, and reduces the efficiency of equipment maintenance

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