Intrinsically safe explosion -proof type air conditioner display the action panel
The utility model discloses an intrinsically safe explosion -proof type air conditioner display the action panel, including the LCD display screen, LCD display screen drive circuit, LCD display screen supply circuit and operating panel are according to strong, air conditioner main control board powe...
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| Hauptverfasser: | , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses an intrinsically safe explosion -proof type air conditioner display the action panel, including the LCD display screen, LCD display screen drive circuit, LCD display screen supply circuit and operating panel are according to strong, air conditioner main control board power transformer's output is connected to LCD display screen supply circuit's input, air conditioner main control board power transformer's input circuit is provided with two parallelly connected zener diode, the winding technique is supplied power on the different posts of iron core to air conditioner main control board power transformer's input winding and LCD display screen, air conditioner main control board power transformer's output is connected to LCD display screen power supply winding, be provided with ground connection copper foil shielding layer, the earth conductor ground connection of copper foil shielding layer through corresponding between air conditioner main control board power transformer's input win |
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