Injin marufi hadedde gwajin da'ira, babban ya kamata a auna mabuɗin gwajin.
Hanyar gabaɗaya ita ce yin amfani da gwajin kayan aiki kowane ƙarfin ƙafar ƙafa da fil zuwa juriya na ƙasa, shigarwa da ƙarfin fitarwa, amfani da wutar lantarki da tsarin shigar da fitarwa, kuma sakamakon gwajin ya bambanta da sigogin da'ira na yau da kullun, na iya yin hukunci da haɗaɗɗen da'irar da za a gwada shine. al'ada.
a cikin
injin marufi, da aka saba amfani da hadedde da'irar microprocessors, lokacin farin ciki film hadedde kewaye da kuma canza wutar lantarki aiki amplifier IC.
Bari mu yi cikakken bincike game da waɗannan.
injin shiryawa hadedde gwajin da'ira a cikin maɓalli na hadedde da'ira gwajin maki.
1.
Maɓallin madaidaicin madaidaicin wurin gwajin kewayawa
maɓalli na microprocessor hadedde wurin gwajin kewayawa shine galibi gefen samar da wutar lantarki na VDD, SAKE, SAKE SAKE, crystal IN shigar da siginar girgiza, Xor crystal vibration siginar fitarwa na shigarwar, fitarwa, da sauran da'irori.
gwajin kan layi yana auna maɓallin maɓalli na juriya da ƙimar ƙarfin lantarki kuma na yau da kullun na iya yin hukunci akan haɗaɗɗun da'ira na al'ada;
2.
Maɓalli na sauya wutar lantarki IC gwajin batu
maɓalli na sauya wutar lantarki IC gwajin batu shine galibi ƙarshen shigarwar ganowar Vc, ƙarfin lantarki, shigarwar ganowa na yanzu, fitarwar bugun jini, da sauransu.
An yi amfani da gwajin kan layi don auna ƙarfin lantarki mai haɗawa da juriya na kowane fil, sannan idan aka kwatanta da bayanai akan al'ada, kamar babban bambance-bambance, ya kamata kuma a gwada abubuwan da ke da alaƙa, an ƙayyade ɓangaren a ƙarƙashin yanayin al'ada, na iya yin hukunci da hadedde da'ira ya lalace.
A cikin canji hadedde circuit sauya tube ne core bangaren, da ginannen lokacin farin ciki film hadedde da'irar babban ikon canza tube a lokacin da ba shi da kyau a yi shakka canza tube za a iya auna ta sauya tube c, b, e sosai tsakanin gaba da baya juriya. ga hukunci.
3.
Maɓallin aiki amplifier IC gwajin batu
mabuɗin aikin amplifier IC gwajin batu yafi shine shigarwa da fitarwa.
Wannan batu na ƙimar ƙarfin lantarki a tsaye ya fi girma.
gwada, multimeter zuwa dc ƙarfin lantarki, aunawa fitarwa ƙarfin lantarki darajar tsakanin karshen da korau samar da wutar lantarki.
Tare da tweezers karfen hannu, bi da bi, danna ƙarshen shigarwar biyu na amplifier mai aiki (
Shiga siginar cunkoso)
, da kuma kallon yanayin oscillation na agogo, al'ada, mai nuna alama na multimeter zai sami mafi girma oscillation, kamar mai nuna ba ya motsawa, to, amplifier mai aiki ya lalace.
4.
Gwajin ƙayyadaddun ƙayyadaddun mahaɗan kekuna na lantarki.
a cikin na'ura mai marufi, mafi yawan amfani da 555 lokaci tushe hadedde kewaye TL494 kewaye da kewaye.
Bari mu bincika takamaiman mahimman abubuwan hanyoyin gwaji na musamman (
1)
Ƙaddamar da hadedde kewaye T494
na'ura mai shiryawa hadedde gwajin da'ira don tantance hadedde da'ira T494 a matakai kamar haka.
1)
Shirya kayan aiki.
Gwajin haɗaɗɗun da'irori don zaɓar ƙarin ayyuka, kamar dijital multimeter, ƙira tare da nau'in aiki na MY68 da nau'in multimeter dijital na nau'in MS820.
za su iya gano mitar 150 KHZ da 200 KHZ.
Hakanan kuna buƙatar oscilloscope, juriya mai juriya mai juriya, da sauransu.
2)
Auna mitar motsi.
Na farko dunƙule multimeter zuwa 200 KHZ, na farko binciken ƙimar oscillation T494 (
A kan sauran da'irar da aka haɗa kamar ƙasa da 200 Hz, na iya daidaita kayan aiki)
, domin daidai.
T494 oscillation a 5, da 6 ƙafa, don haka multimeter alkalama kuma a cikin wadannan ƙafa biyu, za su iya ƙayyade sawtooth kalaman.
Caja da da'irar sarrafawa na mitar oscillation na 20 ~ 80 kh, sakamakon ƙaddara yana da wasu ƙima, haɗaɗɗen kewayawa na al'ada ne na al'ada, ƙimar ƙarfin juriya daidai ne.
idan babu alamun oscillation, za a duba wurin tuntuɓar da alkaluma da, wayoyi, da dai sauransu.
Idan sake gwadawa har yanzu ƙasa da ma'aunin lambobi na haɗaɗɗiyar da'irar yana da matsala.
idan ba a yarda mitar ba, gaya wa Rr ko Cr, yanayin gani da ya dace gyare-gyare ko sauyawa.
3)
Auna rabon aiki.
Shirye don oscilloscope, zai T494 fitarwa fil 9, 10, haɗa haɗin shigarwar oscillograph, kuma gaba zuwa ƙafa 9, 10 da ƙimar ƙima.
A nan yana da mahimmanci a lura cewa babu nauyin da aka ƙididdigewa, nauyin nauyin nauyin ba daidai ba ne, ya bambanta daga darajar ƙirar asali.
Lura da oscilloscope 9, ƙafa 10 na siginar fitarwa, a lokaci guda daidaita rabon aiki: don sarrafa kashi, daidaita madaidaicin sarrafa saurin, ta 0 juya;
Caja, daidaita ƙimar juriya daga ƙafa 0 zuwa 6 (
The capacitance C, a lokaci guda daidaita)
.
A wannan lokacin daga oscilloscope ya kamata ganin rabon aiki ya canza daga sifili zuwa kewayon kashi ɗari.
shirya kayan haɗaɗɗen da'ira na al'ada ne ko a'a yana da alaƙa da injin na iya aiki na yau da kullun, don haka yana da mahimmanci, Ina fatan wannan labarin shirya injin haɗaɗɗen gwajin kewayawa yana taimaka muku.
A duk lokacin da aka taso da tambayar injin auna ma'aunin nauyi, mutum ya zo kan kalmar ''.
Don ƙarin nasiha da dabaru kan ingantattun hanyoyin duba awo, sami zaɓinku a Smart Weighing And
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