An outdoor intelligent control cabinet and its control method
An intelligent control cabinet and outdoor technology, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve the problems that the humidity is difficult to reach the required range, condensation, and affect the safe operation of the intelligent control cabinet grid. Normal operation and service life, the effect of isolating air
Active Publication Date: 2016-09-14
STATE GRID CORP OF CHINA +1
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Problems solved by technology
However, for the outdoor intelligent control cabinet, since the control cabinet is a sealed structure, during its operation and use, the temperature inside the intelligent control cabinet changes greatly due to climatic factors.
Especially when the outdoor temperature is low, due to the heating of the internal equipment of the intelligent control cabinet, it is easy to cause condensation, which seriously affects the safe operation of the intelligent control cabinet and even the power grid.
In addition, the existing outdoor intelligent control cabinets mainly use ventilation holes and temperature and humidity control systems to adjust the temperature inside the cabinet. Due to the inflow of air, the humidity in some areas (such as the humid areas in the south) is difficult to reach the required range. The pressure change in the cabinet will affect the normal operation and service life of each equipment in the cabinet
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[0021] The present invention is described in further detail below in conjunction with accompanying drawing:
[0022] refer to figure 1 and figure 2 , the outdoor intelligent control cabinet of the present invention includes a sealed cabinet, a nitrogen chamber and a control system 11 arranged in the cabinet; the gas inlet of the cabinet is connected to the gas outlet of the nitrogen chamber through an inflation valve 10, The top of the cabinet is provided with a rainproof roof 1, the front of the cabinet is provided with a door, the cabinet is fixed with a steel plate 8 for placing objects, the side of the cabinet is provided with a pressure release valve 4, and the nitrogen chamber is provided with a nitrogen gas charging hole 7 The control system 11 comprises a first temperature sensor, a nitrogen concentration detector, a pressure sensor and a controller, and the output of the temperature sensor, the output of the nitrogen concentration detector and the output of the pres...
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The invention discloses an outdoor intelligent control cabinet and a control method thereof. The outdoor intelligent control cabinet comprises a sealed cabinet body, a nitrogen chamber and a control system arranged in the cabinet body, wherein a gas inlet of the cabinet body is connected with a gas outlet of the nitrogen chamber through an inflation valve; a waterproof top cover is arranged at the top of the cabinet body; a door is arranged on the front surface of the cabinet body; steel plates for accommodating objects are fixed in the cabinet body; a pressure relief valve is arranged on the side surface of the cabinet body; the nitrogen chamber is provided with a nitrogen inflating hole; the control system comprises a first temperature sensor, a nitrogen concentration detector, a pressure sensor and a controller; a second temperature sensor, a processor and a temperature controller are arranged in the nitrogen chamber. According to the outdoor intelligent control cabinet and the control method thereof, the automatic regulation of temperature, gas components and pressure in the cabinet body can be realized, so that the normal operation and the service lives of all equipment in the cabinet body are ensured.
Description
technical field [0001] The invention belongs to the technical field of intelligent control cabinets for high-voltage electrical appliances in smart grids, and relates to an outdoor intelligent control cabinet and a control method thereof. Background technique [0002] With the development of the smart grid, more and more smart devices are required on the GIS in the substation and the local equipment of the main transformer. At present, there are many types of smart control cabinets, and the manufacturers are different. However, for the outdoor intelligent control cabinet, since the control cabinet is a sealed structure, during its operation and use, the temperature inside the intelligent control cabinet changes greatly due to climatic factors. Especially when the outdoor temperature is low, due to the heating of the internal equipment of the intelligent control cabinet, it is easy to cause condensation, which seriously affects the safe operation of the intelligent control ca...
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IPC IPC(8): G05D23/20
Inventor 沈溢升蔡晓兰张功望杨凯常彩霞乔耀洲景钰王楠徐梦洁
Owner STATE GRID CORP OF CHINA