Na ọganihu nke nkà na ụzụ ọgbara ọhụrụ, mpụta nke inverters enyela ọtụtụ ihe dị mma maka ndụ onye ọ bụla, ya mere, gịnị bụ inverter?Kedu ka inverter si arụ ọrụ?Ndị enyi ndị nwere mmasị na nke a, bịanụ chọpụta ọnụ.
Gịnị bụ ihe inverter:
Ihe ntụgharị ntụgharị na-atụgharị ike DC (batrị, batrị nchekwa) ka ọ bụrụ ike AC (n'ozuzu 220V, 50Hz sine wave).Ọ mejupụtara akwa inverter, mgbagha njikwa na sekit nzacha.A na-ejikarị eme ihe na ikuku oyi, ụlọ ihe nkiri, igwe igwe eletriki igwe, ngwaọrụ eletriki, igwe akwa, DVD, VCD, kọmputa, TV, igwe ịsa akwa, mkpuchi nso, friji, VCRs, massagers, Fans, ọkụ, wdg Na mba ọzọ, ruru eru. na ọnụ ọgụgụ dị elu nke ntinye ụgbọ ala, enwere ike iji inverter jikọọ batrị iji kwọọ ngwa eletriki na ngwaọrụ dị iche iche iji rụọ ọrụ mgbe ị na-aga ọrụ ma ọ bụ njem.
Ụkpụrụ ọrụ inverter:
The inverter bụ a DC ka AC transformer, nke bụ n'ezie a usoro nke voltaji inversion na onye ntụgharị.Onye ntụgharị na-atụgharị voltaji AC nke grid ike ka ọ bụrụ nrụpụta 12V DC kwụsiri ike, ebe onye ntụgharị na-atụgharị mmepụta voltaji 12V DC site na nkwụnye ọkụ n'ime nnukwu ọkụ eletrik dị elu nke AC;akụkụ abụọ a na-ejikwa usoro pulse width modulation (PWM) na-ejikarị eme ihe.Akụkụ ya bụ isi bụ onye njikwa agbakwunyere PWM, ihe nkwụnye ahụ na-eji UC3842, onye ntụgharị na-eji mgbawa TL5001.The arụ ọrụ voltaji nso nke TL5001 bụ 3.6 ~ 40V.Ejiri ya na amplifier njehie, onye na-achịkwa, oscillator, onye na-emepụta PWM nwere njikwa mpaghara nwụrụ anwụ, sekit nchebe dị ala na sekit nchebe dị mkpirikpi.
Akụkụ ntinye ntinye:Enwere akara 3 na akụkụ ntinye, 12V DC ntinye VIN, ọrụ na-eme ka voltaji ENB na akara ngosi njikwa ugbu a DIM.A na-enye VIN site na nkwụnye ọkụ, ENB voltaji na-enye MCU na motherboard, uru ya bụ 0 ma ọ bụ 3V, mgbe ENB = 0, inverter anaghị arụ ọrụ, na mgbe ENB = 3V, inverter na-arụ ọrụ nkịtị;ebe voltaji DIM Na-enye site na bọọdụ isi, oke mgbanwe ya dị n'etiti 0 na 5V.A na-enyeghachi ụkpụrụ DIM dị iche iche na nzaghachi nzaghachi nke onye na-ahụ maka PWM, na nke ugbu a nke onye ntụgharị na ibu ga-adị iche.Dị ntakịrị uru DIM, ka ntanye mmepụta nke inverter dị ntakịrị.ibu.
Sekit mmalite mmalite voltaji:Mgbe ENB nọ n'ọkwa dị elu, ọ na-ewepụta voltaji dị elu iji mee ka tube azụ azụ nke Panel.
Onye njikwa PWM:Ọ nwere ọrụ ndị a: voltaji ntụaka dị n'ime, amplifier njehie, oscillator na PWM, nchebe overvoltage, nchebe n'okpuru voltaji, nchebe obere sekit, na transistor mmepụta.
Ntughari DC:Ihe ntụgharị ntụgharị voltaji bụ nke MOS na-atụgharị tube na inductor nchekwa ike.A na-eme ka pulse ntinye ahụ dịkwuo elu site na ihe nrịbama nke push-pull wee mee ka MOS tube rụọ ọrụ mgbanwe, nke mere na voltaji DC na-akwụ ụgwọ ma na-agbapụta inductor, ka njedebe nke ọzọ nke inductor wee nweta voltaji AC.
LC oscillation na mmepụta sekit:hụ na voltaji 1600V chọrọ maka oriọna ka ọ malite, ma belata voltaji na 800V mgbe oriọna malitere.
Nzaghachi voltaji pụta:Mgbe ibu na-arụ ọrụ, a na-enyeghachi voltaji nlele azụ ka ọ kwụsie ike mmepụta voltaji nke inverter.
Oge nzipu: Jul-07-2023