I ia wā e kōrero ana mātou ki ngā kiritaki, kotahi te kupu e whakahuatia ana i ngā wā katoa: te pūtāhui. E hiahia ana ia kiritaki ki tētahi wā pūtāhui rerekē, mai i te rua tau ki te toru tau, ā, ko ētahi e hiahia ana ki te rima tau.
Engari i roto i te nuinga o ngā wā, kāore pea ngā kiritaki e mōhio ki te pūtake o tēnei wā pūtāhui, e whai noa ana rānei rātou i te mano, e whakaaro ana me pūtāhui ngā LED mō tētahi wā roa pēnei.
I tēnei rā, ka haria koutou e ahau ki te ao o te rama LED kia kitea ai te huarahi e tautuhia ai te roa o te ora o ngā rama, me te aromatawai hoki i aua mea.
Tuatahi, ina tae ki ngā rama LED, i runga i te āhua, ka kitea wawetia he rerekē rātou i ngā puna rama tuku iho, nā te mea he āhuatanga motuhake tō te nuinga o ngā rama LED -he totohu wera.
Ehara i te mea hei whakapaipai i ngā rama LED ngā momo totohu wera, engari hei whakapai ake i te mahi a ngā rama LED.
Kātahi ka miharo ngā kaihoko he aha i kore ai i whakamahia e ngā puna rama o mua ngā whakamahana, engari i te wā o te rama LED tata katoa ngā rama e whakamahi ana i ngā whakamahana?
Nā te mea i whakawhirinaki ngā pūtake mārama o mua ki te irahiko wera hei tuku mārama, pērā i ngā rama miro tungsten, e whakawhirinaki ana ki te wera hei tuku mārama, nō reira kāore rātou e wehi i te wera. Ko te hanganga taketake o te LED he hononga PN semiconductor. Mena he paku teitei ake te pāmahana, ka heke te mahi, nō reira he mea tino nui te marara o te wera mō te LED.
Tuatahi, me titiro tātou ki te hanganga me te hoahoa kauwhata o te LED.
Tohutohu: Ka whakaputa wera te maramara LED ina mahi ana. Ka kiia te pāmahana o tōna hononga PN o roto ko te pāmahana hononga (Tj).
Ā, ko te mea tino nui, ko te roa o te ora o ngā rama LED e pā tata ana ki te pāmahana o te hononga.
He ariā me mārama tātou: Ina kōrero tātou mō te roa o te ora o te rama LED, ehara i te mea kāore e taea te whakamahi, engari ina eke te putanga rama LED ki te 70%, ko te tikanga ka whakaaro tātou 'kua mutu tōna ora'.
E kitea ana i te pikitia i runga ake nei, ki te whakahaerehia te pāmahana o te hononga i te 105°C, ka heke te rerenga mārama o te rama LED ki te 70% ina whakamahia te rama LED mō te 10,000 hāora pea; ā, ki te whakahaerehia te pāmahana o te hononga i te 60°C pea, ka tata ki te 100,000 hāora + hāora te roa o tōna wā mahi, ka heke te rerenga mārama ki te 70%. Ka piki ake te ora o te rama mā te 10 ngā wā.
I roto i te oranga o ia rā, ko te mea e tūtaki pinepine ana tātou ko te roanga ora o te rama LED he 50,000 hāora, he raraunga tēnei ina whakahaerehia te pāmahana hononga i te 85°C.
He mea nui te pāmahana hononga i roto i te oranga o ngā rama LED, me pēhea te whakaiti i te pāmahana hononga? Kaua e manukanuka, me titiro tuatahi tātou ki te whakamararatanga o te wera e te rama. Kia mārama koe ki te tikanga whakamararatanga wera, ka mōhio noa koe me pēhea te whakaiti i te pāmahana hononga.
Me pēhea te whakamararatanga o te wera e ngā rama?
Tuatahi, me mōhio koe ki ngā ara matua e toru o te whakawhiti wera: te kawe wera, te whakawhiti wera, me te irahiko.
Ko ngā ara tuku matua o te radiator ko te tohatoha wera mā te kawe me te kawe hiko, me te tohatoha wera irahiko i raro i te kawe hiko taiao.
Ngā mātāpono taketake o te whakawhiti wera:
Te Arataki: Ko te ara e haere ai te wera i roto i tētahi mea mai i tētahi wāhanga mahana ki tētahi wāhanga matao.
He aha ngā āhuatanga e pā ana ki te kawe wera?
① Te kawe wera o ngā rauemi whakamarara wera
② Te ātete wera i puta mai i te hanganga whakamarara wera
③ Te āhua me te rahi o te rauemi kawe wera
Te irahiko: Ko te āhuatanga o ngā mea pāmahana-tiketike e tuku tika ana i te wera ki waho.
He aha ngā āhuatanga e pā ana ki te irahiko wera?
① Te ātete wera o te taiao me te reo e karapoti ana (te nuinga e whakaarohia ana te hau)
② Ngā āhuatanga o te rauemi irahiko wera tonu (ko te tikanga he kaha ake te whiti o ngā tae pouri, engari ko te tikanga kāore i te tino hira te whakawhiti irahiko, nā te mea kāore i te tino teitei te pāmahana o te rama, ā, kāore hoki i te tino kaha te irahiko)
Te whakawhiti: He tikanga whakawhiti wera mā te rere o te hau, o te wai rānei.
He aha ngā āhuatanga e pā ana ki te kawe wera?
① Te rere me te tere o te hau
② Te kaha wera motuhake, te tere rere me te rōrahi o te wai
I roto i ngā rama LED, ko te totohu wera te nuinga o te utu o te rama. Nō reira, mō te hanganga o te whakamahana, ki te kore e pai ngā rauemi me te hoahoa, ka maha ngā raruraru i muri i te hoko o te rama.
Heoi, he tohu noa iho ēnei, ā, koinei te arotahi inaianei.
Hei kaihoko, me pēhea e whakatau ai koe mēnā he pai te tohatoha wera o te rama?
Ko te tikanga ngaio rawa atu ko te whakamahi i ngā taputapu ngaio hei whakahaere i ngā whakamātautau pāmahana o ngā hononga.
Heoi, he uaua pea ēnei taputapu ngaio mō te hunga noa, nō reira ko te mea anake e toe ana ko te whakamahi i te tikanga tuku iho o te pā atu ki te rama hei rongo i te pāmahana.
Kātahi ka ara ake tētahi pātai hou. He pai ake te wera, kāore rānei?
Ki te wera te whakamahana ina pā atu koe, ehara i te mea pai.
Ki te wera te pā o te whakamahana, kua kino pea te pūnaha whakamatao. Kāore i te rawaka te kaha o te whakamahana ki te tuku wera, ā, kāore e taea te tuku wera o te maramara i te wā tika; kāore rānei i te rawaka te horapa wera whai hua, ā, he ngoikoretanga kei roto i te hoahoa hanganga.
Ahakoa kāore te tinana o te rama e wera ki te pā atu, ehara i te mea he pai.
Ina mahi tika te rama LED, me iti ake te pāmahana o te radiator pai, engari kāore e tika ana kia pai te pāmahana o te radiator matao.
Kāore e nui te wera e whakaputaina ana e te maramara, he pai te kawe, he nui te wera e tukuna ana, ā, kāore e tino wera ki te ringa. He pūnaha whakamatao pai tēnei, ko te "ngā ngoikoretanga" anake he moumou rauemi noa iho.
Mena he paru kei raro i te papa, ā, kāore he hononga pai ki te totohu wera, e kore te wera e tukuna ki waho, engari ka kohia ki runga i te maramara. Kāore i te wera ki te pā ki waho, engari kua tino wera kē te maramara i roto.
I konei, e hiahia ana ahau ki te tūtohu i tētahi tikanga whai hua - te "tikanga whakamārama hawhe-haora" hei whakatau mena he pai te marara o te wera.
Tuhipoka: I ahu mai te "Tikanga whakamārama hawhe-haora" i te tuhinga
Tikanga whakamārama mō te hawhe haora:E ai ki tā mātou i kōrero ai i mua, i te pikinga o te pāmahana hononga LED, ka heke te rerenga mārama. Kātahi, i te mea ka inehia e tātou te huringa o te māramatanga o te rama e tiaho ana i te tūranga kotahi, ka taea e tātou te whakatau i te huringa o te pāmahana hononga.
Tuatahi, whiriwhiria he wāhi kāore e whakakorikoria e te mārama o waho, kātahi ka tahuna te rama.
I muri i te tahu, tangohia tonutia he mita mārama ka ine, hei tauira 1000 lx.
Kaua e whakarerekē te tūnga o te rama me te mita whakamārama. I muri i te hawhe haora, whakamahia te mita whakamārama hei ine anō. Ko te tikanga o te 500 lx kua heke te rerenga mārama mā te 50%. He tino wera rawa te roto. Ki te pā atu koe ki waho, he pai tonu. Ko te tikanga kāore anō kia puta te wera. He rerekētanga.
Mena he 900 lx te uara i inehia, ā, he 10% noa iho te hekenga o te māramatanga, ko te tikanga he raraunga noa, ā, he tino pai te tohatoha wera.
Te whānuitanga o te whakamahinga o te "tikanga whakamārama hawhe-hāora": Ka whakarārangihia e mātou te pihi whakarerekētanga o te "mahana rere mārama VS pāmahana hononga" o ētahi maramara e whakamahia whānuitia ana. Mai i tēnei pihi, ka taea e tātou te kite i te maha o ngā lumens kua heke te rere mārama, ā, ka taea hoki e tātou te mōhio ā-kore ki te maha o ngā nekehanga Celsius kua piki ake te pāmahana hononga.
Pou tuatahi:
Mō te maramara OSRAM S5 (30 30), kua heke te rerenga mārama mā te 20% ki te whakaritea ki te 25°C, ā, kua neke atu i te 120°C te pāmahana o te hononga.
Pou ruao:
Mō te maramara OSRAM S8 (50 50), kua heke te rerenga mārama mā te 20% ki te whakaritea ki te 25°C, ā, kua neke atu i te 120°C te pāmahana o te hononga.
Pou tuatoru:
Mō te maramara OSRAM E5 (56 30), kua heke te rerenga mārama mā te 20% ki te whakaritea ki te 25°C, ā, kua neke atu i te 140°C te pāmahana o te hononga.
Pou tuawhā:
Mō te maramara mā OSLOM SSL 90, he 15% te iti iho o te rerenga kanapa i tērā i te 25°C, ā, kua neke atu i te 120°C te pāmahana o te hononga.
Pou tuarima:
I te maramara Luminus Sensus Serise, kua heke te rerenga mārama mā te 15% ki te whakaritea ki te 25℃, ā, kua neke atu i te 105℃ te pāmahana o te hononga.
E kitea ana i ngā pikitia o runga ake nei, ki te heke te māramatanga i te āhua wera mā te 20% i muri i te hawhe haora ki te whakataurite ki te āhua makariri, kua hipa ake te pāmahana o te hononga i te awhe manawanui o te maramara. Ka taea te whakatau he koretake te pūnaha whakamatao.
Ae, koinei te nuinga o ngā take, ā, he rerekētanga kei ngā mea katoa, e whakaaturia ana i te pikitia:
Ae, mō te nuinga o ngā rama LED, ka taea e tātou te whakamahi i te tikanga whakamārama hawhe-haora hei whakatau mēnā he pai, kāore rānei i roto i te hekenga 20%.
Kua ako koe? Ina whiriwhiri koe i ngā rama ā muri ake nei, me aro nui koe. Kāore e taea te titiro noa ki te āhua o ngā rama, engari me whakamahi ō kanohi koi ki te whiriwhiri i ngā rama.
Wā tuku: Mei-24-2024
