Ngā Mita Taumata Ultrasonic: Ngā Mātāpono, Ngā Painga, me Ngā Whakamahinga Ahumahi

Te Kaupapa Mahi Matua

Ka mahi ngā mita taumata orooro i runga i te mātāpono wā-o-te-rere (ToF), he tikanga māmā engari he whai hua e karo ana i te pa tika ki te reo inehia. Kei roto i te taputapu he pūoko whakawhiti (pūoko) e tuku ana i ngā ngaru orooro auau-teitei (te nuinga o te 20 kHz ki te 200 kHz, i tua atu i te rongonga o te tangata) ki te mata o te wai, o te totoka rānei (hei tauira, te witi, te paura). Ina pā ēnei ngaru ki te mata o te reo, ka whakaatahia anō ki te pūoko whakawhiti.

Ka tatau te mita i te wā i waenganui i te tukunga me te whiwhinga o ngā ngaru. Mā te whakamahi i te tere o te oro e mōhiotia ana i te hau (i te hau rānei e karapoti ana), ka tatauhia te tawhiti ki te mata o te reo me te tātai: Tawhiti = (Tere o te Oro × Te Wā i Pahemo) / 2 (wehea ki te 2 nā te mea ka haere ngā ngaru ki te mata, ka hoki whakamuri). Mā te tango i tēnei tawhiti mai i te teitei katoa o te tāke, o te oko rānei, ka whakatau te mita i te taumata tika o te reo.

He maha ngā wā ka whakaurua ngā āhuatanga whakatikatika pāmahana ki ngā tauira hou, nā te mea ka rerekē te tere o te oro i runga i te pāmahana. Mā tēnei whakatikatika ka tika te ine ahakoa i roto i ngā taiao e rerekē ana te pāmahana.

Ngā Painga Matua o ngā Mita Taumata Ultrasonic​

Ko te mea e wehewehe ana i ngā mita taumata ultrasonic i ngā hangarau whakapā tuku iho (hei tauira, ngā pana pōturi, ngā tuku pēhanga) ko ō rātou painga ahurei:

1. Ine Kore-Pa: Nā te mea kāore te ine whakawhiti e pā ki te rauemi, ka karohia e te mita ngā take pēnei i te waikura, te poke, te kakahu miihini rānei—he raruraru noa tēnei me ngā taputapu whakapā ina ine ana i ngā wai kaha (hei tauira, ngā waikawa) me ngā totoka piri (hei tauira, te paru). Ka whakakorea hoki e tēnei ngā tūponotanga poke, ā, he pai mō ngā tono kai, rongoā, me te wai inu.

2. Ngāwari te Tāutanga me te Tiaki iti: Ko te nuinga o ngā mita ultrasonic ka whakairihia ki runga i ngā tāke, i ngā oko rānei, kāore e hiahiatia he whakarerekētanga ki te ipu, he aukati rānei i ngā mahi. Ki te kore he wāhanga neke, he iti noa ngā mahi tiaki e hiahiatia ana—he horoi noa i te transducer i ētahi wā hei tango i te puehu, i ngā paru rānei, hei whakaiti i te wā kore mahi me ngā utu whakahaere.

3. Whānui te Awhe Ine me te Tika: Ka taea e rātou te whakahaere i te whānuitanga o ngā taumata, mai i te torutoru henimita (mō ngā tāke iti) ki te neke atu i te 30 mita (mō ngā kaipuke ahumahi nui). Mēnā he tukatuka tohu matatau, ko te tika noa kei waenganui i te ±0.2% ki te ±1% o te awhe ine, e tutuki ai ngā hiahia o te nuinga o ngā tukanga ahumahi.

4. Te Whakarerekētanga ki ngā Pāpāho Kanorau: Kāore i rite ki ētahi hangarau (hei tauira, ngā mita radar, e raru ana ki ngā totoka iti-kiato), ka mahi ngā mita ultrasonic me ngā wai (wai, hinu, matū) me ngā totoka (witi, waro, pirepire kirihou). Ka pai hoki te mahi i roto i ngā taiao he puehu, he kohu, he pōrearea ngawari rānei, nā te tātari tohu kua hangaia ki roto.

Ngā tono ahumahi

He maha ngā whakamahinga o ngā mita taumata ultrasonic, ā, he maha ngā āhuatanga e whakamahia ana i roto i ēnei rāngai:

• Wai me te Wai Para o te Tāone: Ka aroturukihia e rātou ngā taumata o roto i ngā tāke rokiroki wai, ngā teihana hiki wai para, me ngā puna wai ua, kia mau tonu ai te tuku me te ārai i ngā waipuke. He mea nui te hoahoa kore-pā hei karo i te poke o te wai inu me te waikura mai i te wai para.

• Kai me te Inu: I roto i ngā wheketere e whakaputa ana i ngā miraka, i ngā inu, i ngā kai tukatuka rānei, ka ine ngā mita i ngā taumata o ngā kai (hei tauira, te tirikara, te hinu) me ngā hua kua oti i roto i ngā tāke. Ko tā rātou hoahoa akuaku, kāore e pā atu, e tutuki ana i ngā paerewa haumaru kai (hei tauira, FDA, EU 10/2011).

• Matū me te Rongoā: Mō te whakahaere i ngā matū waikura (hei tauira, ngā waikawa, ngā whakarewa) me ngā otinga rongoā tairongo, ka whakakorea e ngā mita ultrasonic te mōrearea o te poke o te reo me te kino o ngā taputapu. Ka mahi hoki i roto i ngā oko hiri hei pupuri i ngā āhuatanga parakore.

• Ahuwhenua me te Keri: I roto i te ahuwhenua, ka aroturukihia e rātou ngā taumata o ngā whare witi, ngā tāke wai whakamakuku rānei. I roto i te keri, ka aroturukihia e rātou ngā taumata o te paru o te konganuku, te waro, ngā paura kohuke rānei, hei tautoko i te whakahaere rauemi me te whakahaere rawa.

Whakamutunga

Ka whakakotahi ngā mita taumata orooro i te māmā, te pono, me te whānui o ngā mahi, ka waiho hei taputapu nui mō te ine taumata ahumahi hou. Mā te hoahoa kore-pa ka whakatauhia ngā uauatanga matua o ngā hangarau tuku iho, ā, mā te tika me te iti o ngā hiahia tiaki ka whakaitihia ngā utu whakahaere. I te mea kei te whakatairanga tonu ngā ahumahi i te whai huatanga me te haumaru, ka noho tonu ēnei mita hei wāhanga nui i roto i te whakahaere tukanga—mai i te whakahaere wai ā-tāone ki te hanga rongoā tino tika. Mō ngā pakihi e rapu ana i tētahi otinga ine taumata utu-whai hua, iti-mōrearea, ka tukuna e ngā mita taumata orooro he uara kore e taea te whakataurite.