Munthawi yotsatiraDC yamagetsi katundu, zomwe zilipo nthawi iliyonse ndizofanana, ndipo dera liyenera kugwira ntchito moyenera. Malingana ngati njira yomwe imadutsamo kudzera mu gawo limodzi imayendetsedwa mu mndandanda, zomwe zachitika kale zomwe timatha kuzilamulira zitha kukwaniritsidwa.
Gawo losavuta laposachedwa, lomwe limagwiritsidwa ntchito pogwiritsa ntchito ndi mphamvu zochepa komanso zofunikira. Mwa ntchito zina, dera ili lilibe mphamvu, monga: pomwe magetsi olowera ndi 1v ndi zolowera pano ndi 30a,
Chofunikira ichi sichingatsimikizire ntchitoyo, ndipo siyosavuta kwambiri kudera kuti asinthe zomwe zachitikazo.
Chimodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri, madera oterowo ndiosavuta kupeza mfundo zokhazikika komanso zolondola, ndipo Vref ndi chizindikiro chopatsidwa.
Mfundo ya malo ogwirira ntchito yaderayo, yomwe idapatsidwa Vref: Mphamvu ya R3 itachepera kuposa Vref, ndiye kuti, a OP07 imachulukitsa, kotero kuti Mos imachulukitsidwa Ndipo za R3 zimachulukitsidwa;
Mphamvu ya R3 ili yoposa vref, - wamkulu kwambiri kuposa + mkati, ndipo op07 amachepetsa opareshoni;
Pamene vref wopatsidwa ndi 10mv ndi r3 ndi 0,01 ohm, omwe alipo kale pa 1A Kulowetsa kwa MCU,
Kutulutsa komwe kumatha kusinthidwa pamanja pogwiritsa ntchito pontrantimeter. Ngati malo a dac amagwiritsidwa ntchito, mawonekedwe oyendetsedwa bwino amagetsi omwe ali ndi magetsi amatha kukwaniritsidwa. Malo okhazikika
Khazikitsani m'lifupi ndi kutalika pa chida. Kumbuyo kumatha kukhazikitsidwa. Imatha kusintha bwino chithunzicho komanso lembani mawu ndikupanga template yanu.
Kutsimikizika kwa Magesi:
Nthawi zonse magetsi
Gawo losavuta losasinthika, ingogwiritsa ntchito ma a zener a a Zener.
Magetsi olowera ndi ochepa ku 10v, ndipo magetsi a m'manja omwe ali othandiza kwambiri akamagwiritsa ntchito kuyesa kuwongolera. Titha kusintha pang'onopang'ono magetsi kuti tiyese mayankho osiyanasiyana a charger.
Mphamvu pamtunda pa mphika wagawidwa ndi R3 ndi R2 ndikutumizidwa ku Amkono Ampurry mu ulamulirowo + poyerekeza ndi mtengo wopatsidwa ndi mtengo womwe wapatsidwa. Monga momwe chithunzichi chikuwonekera, pomwe pontrantimeter ili pa 10%, mu-V, ndiye kuti voliyumu pamtunda iyenera kukhala 2V.
Nthawi zonse kukana madera
Kuti mugwire ntchito nthawi zonse, munthawi inayakekatundu wamagetsi, palibe dera lapadera lomwe lapangidwa, koma lomwe limawerengedwa ndi magetsi omwe apezeka ndi ac pamaziko okhazikika apano, kuti akwaniritse cholinga cha ntchito yolimbana.
Mwachitsanzo, kukana nthawi zonse ndi ma 10 ohms, ndipo a McU amazindikira kuti magetsi olowetsera magetsi ndi 20V, adzawongolera zomwe zilipo ndi 2A.
Komabe, njirayi imayankha pang'onopang'ono ndipo imangokhala yolondola kwa nthawi yomwe izi zimasintha pang'onopang'ono ndipo zofuna zake sizokwera. Professintal nthawi zonse kupewakatundu wamagetsiamadziwika ndi zida.
Maudindo Akuluakulu
Mphamvu yopitilira muyesokatundu wamagetsiamakhazikitsidwa ndi gawo laposachedwa. Mfundo yake ndikuti MCU imawerengetsa zomwe zilipo malinga ndi mtengo wa Mphamvu ya Mphamvu mutatha kusintha magetsi olowetsa.
Post Nthawi: Oct-19-2022