Switchgear control device and method based on electrolytic dehumidification membrane with wide working range

A switchgear control device based on an electrolytic dehumidification membrane with a working range, comprising a switchgear,

• wherein an internal area of the switchgear is provided with a ventilation flow channel, an electrolytic dehumidification component, a direct current (DC) voltage regulator connected to the electrolytic dehumidification component, a temperature sensor, and a humidity sensor,
• wherein an external area of the switchgear is provided with a single-chip microcomputer control system,
• wherein a side wall of the switchgear is provided with an air exchange hole connected to an outlet of the ventilation flow channel,
• wherein the electrolytic dehumidification component at least in part separates the ventilation flow channel from a rest of the internal area of the switchgear, the electrolytic dehumidification component comprises an upper shell, a lower shell and a dehumidification membrane electrode pressed and connected to the upper shell and the lower shell, wherein two sides of the upper shell and the lower shell are respectively connected to an air intake fan and an ventilator, and wherein the dehumidification membrane electrode comprises a first mesh electrode, an electrolytic dehumidification membrane and a second mesh electrode arranged in turn;
• wherein a working temperature and humidity range of the electrolytic dehumidification membrane with the working range is −10 to 70° C., 20%-100% RH;
• an electrolytic dehumidification membrane material is a proton-conducting polymer doped with a hygroscopic inorganic filler and a thermally stable organic filler, comprising, according to weight percentage:
• 1-10% hygroscopic inorganic filler, 1-30% thermally stable organic filler, 60-98% proton conducting polymer;
• wherein the first mesh electrode and the second mesh electrode have the same structure, both of which are a metal mesh structure sprayed with a composite coating of catalyst and inorganic hygroscopic filler;
• wherein the composite coating comprises components according to the following weight percentage:
• 50-89% catalyst particles, 10-40% proton-conducting polymer, 1-10% hygroscopic inorganic filler, and wherein a metal mesh material is one of titanium, nickel, molybdenum, stainless steel and alloys thereof, and wherein a thickness of the metal mesh is 0.5-2 mm and a mesh number is 5-20;
• wherein the hygroscopic inorganic filler is selected from SiO2, ZrO2, and TiO2;
• the thermally stable organic filler is a low water swelling fluorine-containing polymer or a polymer containing an ether group, a sulfone group, or a ketone group;
• and wherein the proton-conducting polymer is one of perfluorosulfonic acid resin, sulfonated polysulfone, or aryl polymer.