Remote-control dehumidification high-frequency switching power supply cabinet
A high-frequency switching power supply and remote control technology, applied in the field of power supply cabinets, can solve the problem of non-insulation of high-frequency switching power supply cabinets, and achieve the effect of saving energy consumption and prolonging service life.
Inactive Publication Date: 2014-03-26
SICHUAN HUADIAN COMPLETE EQUIP
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Problems solved by technology
[0006] In view of the above prior art, the purpose of the present invention is to provide a remote control dehumidification type high-frequency switching power supply cabinet, which aims to solve the problem of dew condensation inside the high-frequency switching power supply cabinet and the electronic components inside the high-frequency switching power supply cabinet power cabinet. Surface condensation causes non-insulation of high-frequency switching power supply cabinets
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0019] A remote control dehumidification type high-frequency switching power supply cabinet is characterized in that it includes a high-frequency switching power supply cabinet body, a relative humidity sensor, a triode, a relay, a single-chip microcomputer, a semiconductor refrigeration chip and an RS-485 communication interface; the high-frequency switching power supply cabinet The cabinet as a whole has a sealed structure, and a drying box is provided on the left panel of the high-frequency switching power supply cabinet, and at least one bag of desiccant is placed in the drying box; the P0 port of the single-chip microcomputer is connected to the signal output terminal of the relative humidity sensor, P1 The port is connected to the RS-485 communication interface, the P3 port is connected to the base of the triode, the emitter of the triode ...
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The invention discloses a remote-control dehumidification high-frequency switching power supply cabinet. The remote-control dehumidification high-frequency switching power supply cabinet is characterized by comprising a high-frequency switching power supply cabinet body, a relative humidity sensor, a triode, a relay, a single-chip microcomputer, a semiconductor chilling plate and an RS-485 communication interface. The P0 port of the single-chip microcomputer is connected with the signal output end of the relative humidity sensor, the P1 port is connected with the RS-485 communication interface, the P3 port is connected with the base electrode of the triode, the emitting electrode of the triode is connected to a control coil of the relay, and the normally-open contact of the relay is in series connection with a direct-current power supply which supplies power to the semiconductor chilling plate. According to the remote-control dehumidification high-frequency switching power supply cabinet, remove control over the semiconductor chilling plate can be realized, dehumidification can be realized through a drying agent when relative humidity is low, a remote center can remotely control the semiconductor chilling plate to be opened or closed when the relative humidity is high, in this way, energy consumption is reduced, and the service life of the semiconductor chilling plate is prolonged.
Description
[0001] technical field [0002] The invention relates to the technical field of power supply cabinets, in particular to a remote control dehumidification type high-frequency switching power supply cabinet. Background technique [0003] At present, the high-frequency switching rectifier power supply has been widely used in telecommunications, electric power, petroleum and other fields. Once the AC mains fails, the high-frequency switching rectifier power supply must rely on its backup battery pack to maintain the power supply for the DC load. The discharge time of the battery pack Limited, does not sustain discharge for long periods of time. [0004] In various occasions such as power plants, substations, UPS systems, etc., the battery pack is an important device to ensure uninterrupted power supply and emergency use. When the battery pack is working normally, its operating temperature is an important parameter to measure whether the battery pack is working normally. Many co...
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IPC IPC(8): G05D22/02
Inventor 朱颜勇
Owner SICHUAN HUADIAN COMPLETE EQUIP