Hei wāhanga matua o ētahi taputapu aunoa, ka pā tika te pono me te pumau o te pūnaha whakahaere nekehanga ki te mahi a te taputapu, ā, ko tētahi o ngā mea matua e pā ana ki tōna pono me te pumau ko te raruraru ārai-whakararuraru. Nō reira, ko te huarahi ki te whakaoti pai i te raruraru whakararuraru he raruraru e kore e taea te wareware i roto i te hoahoa o te pūnaha whakahaere nekehanga.
1. Te āhuatanga o te pokanoa
I roto i te tono, ka tūtaki pinepinehia ngā āhuatanga matua o te pokanoa e whai ake nei:
1. Ina kore te pūnaha whakahaere e tuku whakahau, ka huri pōturi te motuka.
2. Ina mutu te neke o te motuka servo, ā, ka pānuihia e te kaiwhakahaere nekehanga te tūranga o te motuka, ka peke matapōkeretia te uara e tukuna ana e te encoder photoelectric i te pito o te motuka.
3. Ina oma te motuka servo, kāore te uara o te pānui encoder e ōrite ana ki te uara o te whakahau i tukuna, ā, he matapōkere, he koretake hoki te uara hapa.
4. Ina oma te motuka servo, he pumau te rerekētanga i waenga i te uara encoder kua pānuihia me te uara whakahau kua tukuna, ka huri rānei i ia wā.
5. Kāore e mahi tika ana ngā taputapu e whakamahi tahi ana i te pūnaha hiko AC (pēnei i te whakaaturanga, me ētahi atu).
2. Tātaritanga pūtake pokanoa
E rua ngā momo hongere matua e ārai ana i te urunga ki te pūnaha whakahaere nekehanga:
1, te pokanoa o te hongere tuku tohu, ka tomo te pokanoa mā te hongere tāuru tohu me te hongere putanga e hono ana ki te pūnaha;
2, te pokanoa o te pūnaha tuku hiko.
Ko te hongere tuku tohu te huarahi mō te pūnaha whakahaere, te taraiwa rānei ki te whiwhi tohu urupare me te tuku atu i ngā tohu whakahaere, nā te mea ka whakaroahia, ka whakapohehetia hoki te ngaru pāorooro i runga i te raina tuku, ka whakaitihia, ka pokanoa hoki te hongere, ā, i roto i te tukanga tuku, ko te pokanoa roa te mea matua.
He ātete ā-roto kei roto i ngā raina hiko me ngā raina tuku hiko katoa. Ko ēnei ātete ā-roto te take o te haruru e pokanoa ana ki te pūnaha hiko. Ki te kore he ātete ā-roto, ahakoa te momo haruru ka mimitihia e te ara poto o te pūnaha hiko, kāore he ngaohiko pokanoa e whakatūria ki roto i te raina. , ko te taraiwa pūnaha servo AC tonu he pūtake kaha o te pokanoa, ka taea e ia te pokanoa ki ētahi atu taputapu mā roto i te pūnaha hiko.
Pūnaha Whakahaere Nekehanga
E toru, ngā mahi ārai-whakararuraru
1. Te hoahoa ārai-whakararuraru o te pūnaha tuku hiko
(1) Whakatinanahia te pūhiko hiko i roto i ngā rōpū, hei tauira, wehea te mana taraiwa o te motuka mai i te mana whakahaere hei ārai i te pokanoa i waenga i ngā taputapu.
(2) Mā te whakamahi i ngā tātari haruru ka taea hoki te pehi i te pokanoa o ngā puku servo AC ki ētahi atu taputapu. Ka taea e tēnei mahi te pehi i ngā āhuatanga pokanoa kua whakahuatia ake nei.
(3) Kua whakamahia te whakawhiti wehewehe. I te mea ka haere te haruru auau-teitei mā te whakawhiti, ehara i te mea mā te hononga ine-whakaurunga o ngā koiri tuatahi me tuarua, engari mā te hononga o ngā kaha pirinoa tuatahi me tuarua, ka wehea ngā taha tuatahi me tuarua o te whakawhiti wehewehe mā ngā paparanga ārai hei whakaiti i tō rātou kaha tohatoha hei whakapai ake i te kaha ki te ātete i te pokanoa aratau noa.
2. Te hoahoa ārai-whakararuraru o te hongere tuku tohu
(1) Ngā inenga wehewehe hononga hikohiko
I roto i te tukanga tuku tawhiti, mā te whakamahi i ngā hononga whakaahua ka taea te tapahi i te hononga i waenga i te pūnaha whakahaere me te hongere whakauru, te hongere putanga, me ngā hongere whakauru me te putanga o te puku servo. Mena kāore te wehewehenga whakaahua e whakamahia ana i roto i te ara iahiko, ka uru te tohu pokanoa o waho ki te pūnaha, ka uru tika rānei ki te taputapu puku servo, ka puta te āhuatanga pokanoa tuatahi.
Ko te painga matua o te hononga hiko-whakaahua ko tōna kaha ki te pehi i ngā titi me ngā momo pokanoa haruru,
Nō reira, kua tino pai ake te ōwehenga tohu-ki-haruru i roto i te tukanga tuku tohu. Ko te take matua: Ahakoa he nui te kaha o te ngaohiko o te haruru whakararuraru, he iti tōna kaha, ā, ka taea anake te hanga i tētahi iahiko ngoikore. Ka mahi te diode rama-whakaputa o te wāhanga whakauru o te photocoupler i raro i te āhua o iahiko, ā, ko te iahiko kawe whānui he 10-15mA, nō reira ahakoa he nui te kaha o te whakararuraru, ka pehia nā te mea kāore e taea te whakarato i te iahiko nui.
(2) Waea ārai takirua-whiri me te tuku waea-roa
Ka pāngia te tohu e ngā āhuatanga pokanoa pēnei i te papa hiko, te papa aukume me te aukati whenua i te wā e tuku ana. Mā te whakamahi i te waea ārai whenua ka taea te whakaiti i te pokanoa o te papa hiko.
Ki te whakatauritea ki te taura coaxial, he iti ake te auau o te taura takirua-whiri, engari he nui te aukati ngaru me te ātete kaha ki te haruru aratau noa, ka taea te whakakore i te pokanoa hikohiko o tetahi ki tetahi.
Hei tāpiritanga, i roto i te tukanga tuku tawhiti, ka whakamahia te tuku tohu rerekētanga hei whakapai ake i te mahi ārai-whakararuraru. Mā te whakamahi i te waea ārai takirua-whiri mō te tuku waea roa ka taea te pehi i te āhuatanga whakararuraru tuarua, tuatoru, me te tuawhā.
(3) Whenua
Ka taea e te whenua te whakakore i te ngaohiko haruru e puta mai ana i te rere o te iahiko mā te waea whenua. Haunga te hono i te pūnaha servo ki te whenua, me whenua anō hoki te waea ārai tohu hei ārai i te whakaoho hiko me te pokanoa hikohiko. Ki te kore e tika te whenua, ka puta pea te pokanoa tuarua.
Wā tuku: Maehe-06-2021