Arelaychinhu chemagetsi chinoshandisa misimboti yemagetsi kana mamwe maitiro ekuita kuti uwane "otomatiki pa / kudzima" kwemaseketi. Basa rayo repakati ndere kudzora pa-off yeazvino / yakakwira voltage maseketi ane madiki ezvino / masaini, ukuwo uchiwana kuparadzaniswa kwemagetsi pakati pemaseketi kuti ave nechokwadi chekuchengetedzwa kwekupedzisira kwekutonga.

Mabasa ayo makuru anogona kuiswa muzvikamu zvitatu:

1. Kudzora uye Amplification: Inogona kushandura zviratidzo zvekudzivirira zvisina simba (zvakadai semilliampere-level currents inobuda ne-single-chip microcomputers uye sensors) mumagetsi ane simba akakwana kutyaira michina ine simba guru (zvakadai semotor uye heaters), kushanda se "signal amplifier". Semuyenzaniso, mudzimba dzakangwara, tumasaini tudiki twemagetsi anotumirwa nemaapps enharembozha anogona kudzorwa kuburikidza nemareyi ekubatidza nekudzima simba remaair conditioner nemarambi.

2. Kuparadzaniswa kwemagetsi: Hapana kuwirirana kwemagetsi kwakananga pakati pedhipatimendi rekutonga (low voltage, duku ikozvino) uye dunhu rinotungamirirwa (high voltage, yakakura ikozvino). Mirayiridzo yekudzora inofambiswa chete kuburikidza nemagetsi emagetsi kana masaini masaini kudzivirira yakakwira voltage kuti isapinda mugedhi rekutonga uye kukuvadza michina kana kuisa pangozi kuchengetedza kwevashandi. Izvi zvinowanzowanikwa mumaseketi ekudzora emaindasitiri emuchina maturusi nemidziyo yemagetsi.

3. Logic uye Kudzivirirwa: Inogona kusanganiswa kuti iite yakaoma yedunhu logic, yakadai sekubatanidza (kudzivirira maviri motors kubva pakutanga panguva imwe chete) uye kunonoka kutonga (kunonoka kusungirirwa kwemutoro kune imwe nguva yenguva mushure mekugadzirisa simba). Mamwe marelay akazvipira (senge overcurrent relays uye overheating relays) anogona zvakare kutarisa kusaenzana kwedunhu. Kana yazvino yakakurisa kana tembiricha yakawandisa, ivo vanozocheka dunhu kuti vadzivirire midziyo yemagetsi kubva mukukuvadzwa kwakanyanya.