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  • Te Tikanga Mahi a Thermopile Infrared Sensor – Thermoelectric Effect

    Te Tikanga Mahi a Thermopile Infrared Sensor – Thermoelectric Effect

    Pānga Thermoelectric(Panga Seebeck)

     Mēnā e rua ngā rawa rerekē, ngā ahanoa A me B he rite tonu ngā rauemi i te mea he rereke te mahi mahi, ina hono ana ki te pito wera (Hot Junction Area), ka whakatuwheratia ki te pito makariri (Whahanga Hunga Matao), me te rōnaki pāmahana i waenga i te wera. Ko te mutunga me te mutunga makariri he ΔTHC, na i te pito makariri ka puta he topana hikohiko Vki waho.

    yysensor- hanganga pūoko

     I te wa e whiti ana te iraruke infrared o waho i te waahi whakauru o te kairapu, ka uru te rohe whakaurunga i te iraruke infrared ka huri hei hiko wera.Ka puta he rōnaki pāmahana i te wāhi tūhononga wera me te wāhi tūhononga makariri.Ma te Seebeck Effect o te rauemi thermocouple, ka taea te huri i te rōnaki pāmahana ki te whakaputa tohu ngaohiko.

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    Pānga Thermoelectric (Panga Seebeck)

    Tātari(ko te ahua o te tātari IR he mea whiriwhiri): tohua te roopu infrared, karohia etahi atu roangaru o te marama kia pa ki te puoro.

    Cap: te hanganga miihini tautoko o te tātari IR.

    TPS Tipi: ki te mohio i te tohu infrared e haere ana i roto i te tātari IR.

    Pane: te hanganga miihini tautoko o te maramara.

    Weariki maramara(Kōwhiringa): Aroturuki i te pāmahana o te wahanga hononga makariri o te maramara TPS.

    ASIC tukatuka iahiko maramara(mehemea, te whakaputa tohu tohu ): te whakamaarama i te tohu whakaputa tairitenga o te maramara TPS.

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      Ka kitea ko te kaupapa mahi o te maramara pūoko thermopile ko nga huringa tinana e rua o te "marama-waariki-hiko".Ko nga mea kei runga ake i te kore tino (tae atu ki te tinana o te tangata) ka tuku i nga hihi infrared, mena ka kowhiria te roangaru e tika ana na roto i te tātari infrared (5-14μm te matapihi o te roopu), i te wa e mimiti ai te wera infrared i runga i te maramara ka huri te rama ki te wera. , ka puta te pikinga o te pāmahana o te rohe whakauru, ka huri te rereketanga o te pāmahana i waenga i te rohe whakauru me te rohe urunga makariri ki te whakaputa ngaohiko na roto i nga rau o nga huinga o te hononga raupapa micro thermocouples, a ka kitea te tohu infrared i muri i te putanga o te ngaohiko. hangaia.

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      Ma te titiro mai i te hanganga, he rereke te pukoro infrared thermopile a Sunshine Technologies i nga hua noa, he "koputaputa" tona hanganga.He uauatanga hangarau matua mo tenei hanganga, ara, me pehea te whakatakoto i tetahi paparanga o te kiriata whakatara 1μm matotoru ki runga i te waahi 1 mm anake.2, me te whakarite kia nui te tere o te hurihanga o te kiriata ki te huri i te rama infrared ki te whakaputa tohu hiko, kia tutuki ai nga whakaritenga kaha tohu o te puoro.Na te mea kua riro i te Sunshine Technologies tenei hangarau matua ka taea e ia te wawahi i te mana whakahaere mo te wa roa o nga hua ke i te wa kotahi.


    Wā tuku: Tihema-01-2020