To prevent load from being abruptly applied to a drive source driving an electromagnetic clutch.SOLUTION: A controller 200 comprises a power supply unit 230, a receiving unit 210, and an electrification control unit 220. The electrification control unit 220 is configured to, when a signal S is input from the receiving unit 210, switch between first control of applying relatively high voltage necessary for conducting relatively high current to an electromagnetic coil 93 (1) and a second control of applying voltage lower than the high voltage of (1) necessary for conducting current lower than the high current of (1) and enough to connect an armature 94 to a rotor 92 (2), wherein the voltage is used as voltage applied to the electromagnetic coil 93, according to at least one of a rotational frequency E and discharge side pressure P of a compressor 100 in activation.SELECTED DRAWING: Figure 1
【課題】電磁クラッチを駆動している動力源に対して、負荷が急激に掛るのを抑制する。【解決手段】制御装置200は電力供給部230と受付部210と通電制御部220とを備え、通電制御部220は,受付部210から信号Sが入力されると、起動時のコンプレッサ100の回転数E及び吐出側圧力Pの少なくとも一方に応じて、電磁コイル93に印加する電圧として、(1)電磁コイル93に相対的に高い電流を流すのに必要な相対的に高い電圧を適用する第1の制御と、(2)(1)の高い電流よりも低い電流であってアーマチュア94をロータ92に連結させるのに十分な電流を流すのに必要な、(1)の高い電圧よりも低い電圧を適用する第2の制御と、を切り替える。【選択図】図1
CONTROLLER FOR ELECTROMAGNETIC CLUTCH OF GAS COMPRESSOR
気体圧縮機の電磁クラッチに対する制御装置
2019-01-10
Patent
Electronic Resource
Japanese
IPC: | F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS , Rotationskolben- oder Schwenkkolbenmaschinen [Kraft- und Arbeitsmaschinen] für Flüssigkeiten / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen |