Thaum siv lub twj tso kua mis submersible, yog tias cov dej theem ntawm ib puag ncig uas nws siv yog qis dua lub twj tso kua mis submersible, lub twj tso kua mis submersible uas siv los ntawm alternating tam sim no yuav khiav lub cev qhuav dej. Txawm li cas los xij, nyob rau hauv cov ntaub ntawv no, lub twj tso kua mis submersible dej tsis tuaj yeem dissipate cua sov zoo heev, thiab lub cev muaj zog ntawm lub twj tso kua mis submersible dej phwj tuaj yeem hlawv tsis pub dhau ob peb feeb. Yog li ntawd, cov neeg siv yuav tau ceeb toom thaum siv cov twj tso kua dej submersible: kev ua haujlwm lub cev qhuav dej ntawm cov twj tso kua dej submersible yog nruj me ntsis txwv!
Yuav kom daws tau qhov teeb meem no kom zoo, peb yuav tsum tau tsim ib lub tshuab hluav taws xob submersible dej phwj twj tso kua mis lub cev tiv thaiv uas tuaj yeem txiav tawm lub zog ua haujlwm ntawm lub twj tso kua mis submersible thaum cov dej theem qis dua li cov dej teev.
In order to achieve the above purpose, we need to set up a water level sensor, which converts the water level signal into an electrical signal and sends it to the signal processing circuit 2 composed of the resistor R1, the three-terminal switching element and the relay coil for signal processing. When the water level is lower than the set value, the signal processing circuit 2 outputs a control signal to drive the execution circuit 3 to work, which will automatically cut off the power supply, thereby protecting the submersible sewage pump motor from being burned. Among them, the three-terminal switch element can be a field effect transistor, transistor or thyristor semiconductor discrete device, or a switch integrated circuit; the water level sensor can be a moisture sensitive or photosensitive electronic sensitive element, or a bimetallic sheet mechanical Sensor; in order to make the signal processing circuit 2 work normally, the value range of R1 should be between 0.5Ω-100MΩ.
Hauv cov ntsiab lus, vim yog siv cov hluav taws xob hauv hluav taws xob, lub twj tso kua mis submersible tau txhim khu kev siv ntau dua. Thaum cov dej theem qis dua li qhov tsim nyog, lub zog ua haujlwm ntawm lub twj tso kua mis submersible yuav raug txiav tam sim ntawd; Tsis tas li ntawd, nws cov kev siv ntau yam muaj zog, txawm tias nws yog ib qho -theem domestic submersible dej phwj twj tso kua mis los yog peb -theem industrial submersible dej phwj twj tso kua mis, lub hwj chim ranges ntawm pua pua ntawm watts mus rau kaum ntawm kilowatts Tag nrho cov muaj peev xwm zoo tiv thaiv lub submersible dej phwj twj tso kua mis, ua rau lub submersible dej phwj twj tso kua mis ntev kev pab cuam lub neej.
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