Ko te whana o ngā diode me ngā LED he rerekē i te whakaaro o ngā kairangahanga me ngā kaiwhakamātautau i ngā wāhi ahumārie. Ahakoa ko ngā LED katoa he diode i te tauira, kāore ngā diode katoa he LED. Ko te mātauranga i ngā rerekētanga o ngā mahi o ēnei rākau hāngā wāhi o te ao mātātoko he mea matua hei whakamārama i te whakamātautau i te wāhanga tika mō tōu whakamātautau. Ko tēnei rerekētanga he mea matua ina whakamātautau ana i te whai hua o te rārangi, te utu, me ngā whāinga o te mahi i ngā tāpoi mātātoko me ngā tāpoi pāpara.
Te mātauranga i ngā rerekētanga matua i waenganui i ngā diode me ngā led āwhina ngā hinengi i te whakamātautau i ngā whakaritenga mō te whiriwhiri i ngā wāhanga me te whakamātautau i ngā pūnaha. Ko te rerekētanga matua i waenganui i ānei he tārānga o tā rātou mahi: ko ngā diode tātai whānui hei rākau whakamārama i te rere o te hiko, i te wāhi e hurihia ai ngā LED i te hiko ki te āhua o te āhua kākāriki. I te mātau i ēnei mahi, ka whakamātau i te whakamātautau o ngā rākau, te whai i te whananga pai rawa, me te whai i te utu iti i ngā whakamātautau ahumārire mai i te hanga i ngā whakamātautau ā-hāpaiti.
Te rerekētanga o te mahi matua i waenganui i ngā diode me ngā LED
Ngā diode tātai whānui hei rākau whakamārama i te rere o te hiko
Ko ngā diode tātai he rākau whakamātautau i te wāhanga kotahi o te rere o te hiko. Ka whakaaetia e ngā diode tēnei rere i tēnei āhua, ā, ka whakakorehia i te āhua kōrero, ā, ko tēnei āhua he whakamātautau. I ngā pūnaha hiko me ngā pūnaha whakamātautau, ko ngā diode tātai he rākau whakamātautau i ngā pānga o te hiko kia kore ai ngā pānga o te hiko, ā, kia whakaaetia ai te rere o te hiko i ngā wā e hiahia ana. Ko tēnei mahi whakamātautau he mea matua i ngā pūnaha whakamātautau, i ngā pūnaha whakarere i te hiko, ā, i ngā rākau whakamātautau i te rere o te hiko, ā, he mea matua ngā mahi whakamātautau i te rere o te hiko, kāore he whakamātautau i te mārama.
Ko te āhua o te whakamātautau o ngā rākau hiko i ngā diode tātai he whakamātautau kia pai ai te whakakore i te rere o te hiko, ā, kia iti ai te whakamātautau i te mārama. Kāore ngā kairangahau e whiriwhiri i ngā diode tātai i tēnei āhua engari i tēnei āhua kia whakamātautau ai i te hiko hei hōhi, kāore hei mārama. Ko tēnei āhua he mea pai mo ngā mahi e hiahia ana i te whakarere tātai o te hiko, i te whakamātautau i ngā pānga o te hiko, ā, i te rere tātai o te hiko, kāore he whakamātautau i te mārama, kāore hoki he whakamātautau i te mārama.
Ngā LED hei ngā kōwhiringa whakamātautau mātātoko
Ko ngā LED he rōpū āhua motuhake o ngā kōwhiringa pāpātanga mātātoko e whakamātautau ana i te hiko ki te mātātoko kīato i te whakamātautau ā-hiko. I te wā e rere ana te hiko i te āki o te LED, ka tāwhai ngā ira ātomi i ngā wāhi kore, ka whakawhitinga i ngā hiko hei ngā foton. Ko tēnei ahuatanga matua te mea i whakamāngai ai ngā LED hei whakamātautau mātātoko, hei tohutoro, me ngā whakamātautau whakaahua i ngā wā e hiahiatia ana te whakamātautau mātātoko. Ko ngā whakamātautau o te whakamāngai me ngā whakamātautau o te mahinga o ngā LED i tēnā wā e whakarite ana i ngā whakamātautau mātātoko o te ao hāpua, nā te mea he mātātoko āwhina, he mātātoko tāwhai, me te iti o te hiko e whakamāngai ana i te hiko.
Ko te hanganga o ngā pūpū wāhi o ngā LED e whakamāngai ana i te whakamātua i te mārama i tēnei i te whakamātua i te rere o te hiko. Ko ngā kōpae, ko ngā āhua o ngā pūpū wāhi, me ngā āhua o te hanga i whakamahinga kia whakamātua ai te mārama i tēnei i tēnei wāhanga o te rere. Ko tēnei whakamātua i te whakamātua i ngā foton i tēnei i te whakamātua i te whakamātua i ngā hiko e whakamātua ana i ngā LED i ngā pūpū wāhi tātai, ā, ko tēnei te rerekētanga matua o ngā mahi e whakamātua ana i ngā LED hei whakamātua mō ngā mahi mārama, ngā tohu, me ngā whakamātua whakaahua i ngā rārangi o ngā rārangi.
Ngā whakamātua o ngā photodiode me ngā mahi ā-hāhi
Ngā photodiode hei kaitiaki mō te whakamātua i te mārama
Ko ngā photodiode he rōpū āhua motuhake o ngā kōhao hāngai, ahakoa ko ngā mahi matua he whakamātautau i te āhua o te ao, ehakoa kāore i te whakamahinga i te ao. Ko ngā kōhao nei he kaitātai āhua o te ao, e whakamāori ana i ngā photon e tūhono mai ana ki te wāhi o te hauā, e whakamāori ana i te āhua o te ao. Ko ngā whakamātau o ngā photodiode i ngā pūnaha o te whakamātautau i ngā mahi, i ngā whakamātautau hauārangi, i ngā pūnaha whakamātautau āhua o te ao, me ngā whakamātautau āhua o te taiao. I raro i ngā diode tātai me ngā LED, ko ngā photodiode e mahi ana i te āhua o te whakamātautau i te āhua o te ao, kia mātua whakamātautau ai i te āhua o te ao, kāore i te whakamātautau i te hauā, i te āhua o te ao, i te āhua o te ao.
Ko te rerekētanga o ngā mahi e mārama ana i te whakamātautau i ngā whakamāhi o ngā photodiode ki te whai hua me ngā mahi o ngā LED. Ahakoa kātahi anō ngā LED e whakaahu mai i te āhua i te wā e whakamāhinga ana, ko ngā photodiode e whakamāhi ana i te āhua e tū mai ana, ā, e huri ana i tēnei hei wāhanga o te wāhanga e whakamāhi ana. Ko ngā pūnaha o te ao hāpaiti he nui ngā whakamāhi i ēnei āhuatanga e rua i te tahi, i reira ngā LED e whakamāhi ana i te āhua, ā, ko ngā photodiode e whakamāhi ana i te āhua e hoki mai ana, i te āhua e whai mai ana hei whakamāramatanga me ngā pūnaha whakamārama. Ko tēnei whana whakamārama i te rerekētanga o ngā rākau hāngā āhua e whakamāhi ana i ngā mahi rerekē i roto i ngā pūnaha whakamārama katoa.
Te whakamātautau i ngā mahi o te whakamāhi me ngā mahi o te whakaahu
Ko te māramatanga o ngā tono photodiode i te taha o te kaha me te mahi o te LED e whakaatu ana i te whānuitanga o ngā mahi whakaputa marama o te semiconductor. Ko ngā photodiodes e hāngai ana ki te kitenga e hiahiatia ana he ngaohiko whakaheke-taupatupatu pūmau, ā, ka tukuna he putanga nāna e ōrite ana ki te pānga o te marama. I te taha ke, ko nga LED e hiahia ana ki te whakauru o te hiko-a-rangi me te tuku i te putanga marama. Ka mahi ngā kōpae paerewa i te kore e aro ki te marama, e arotahi ana ki te whakahaere i te nāianei. Ko ēnei rerekētanga mahi e ārahi ana i ngā kaipūkaha ki te tīpakonga o ngā wāhanga e tika ana i runga anō i te mea e hiahiatia ana e te tono te whakahaere nāianei, te hanga marama, te kitenga marama rānei.
Ko ngā rākau hāngā i tēnei wā e whakamahinga ana i ngā momo waipara āhua toru katoa. Ko ngā taputapu whakamātautau e whakamahi ana i ngā diode tātai hei whakamāmā i te hiko, ngā LED hei tohu mō te āhua o te mahi, me ngā photodiode hei whakamātautau i te kounga o ngā taonga mā te titiro. I te mōhio ki ēnei mahi rerekē, ka whakamāmanahia ngā hāinga o ngā whakamāhi hāinga, ā, ka whakamāmanahia hoki te pūmau, te whai hua, me ngā whaihua o te rākau i ngā hāngā whakamātautau pūmau.
Ngā Huinga Whaihua me ngā Tikanga Whirihora
Te Whaihua o ngā LED me ngā Tauira Whaihua
Ko ngā whai hua o ngā rākau LED me ō rātou mahi i whakamāhinga ai ngā pūnaha mātātoko i ngā wāhi o te ao huihui me ngā wāhi tauhokohoko i ngā tau e rua tekau kua kawea mai. Ko ngā rākau LED ā tāone e hurihuri ana i te 70 ki te 90% o te hiko whakauru ki te āhua o te mārama e whakamahinga ana, i rite ki ngā rākau mārama e whakamahi ana i te nuinga o te hiko hei hōhā. Ko tēnei whai hua ake he whakamāhinga i te whakamāhi hiko, he iti ake ngā hāngā whakamāhi hōhā, me ngā utu iti ake i te wāhi katoa i ngā whakamāhi mātātoko nui. Mō ngā wāhi huihui e whakamāhi ana i te mārama nui mai i ngā wharepōkai ki ngā papa whakamātautau, ko ngā whai hua o ngā rākau LED me ō rātou mahi e whakamāhinga ai ngā utu mō ngā pūnaha kua whakamāhinga.
Ko ngā huanga whakamātau mō ngā LED ko te whakamātau i te whai hua o te āhua (luminous efficacy) i te lumens i te watt, te tūmata o te wāhi o te āhua (color temperature stability), te roa o te ora i ngā haora mahi, me ngā pūkenga o te whakamārama i te hōhi. Ko ngā diode tātai (standard diodes), i te rārangi, kia whakamātua ai ngā wāhi o te whakawhitinga ki te whakawhitinga (reverse breakdown voltage), te whakawhitinga o te hāngā (forward voltage drop), me ngā pūkenga o te rere (current capacity). Ko ēnei āhuatanga rerekē o ngā whakamātau e whakaatu ana i ngā whāinga mahi rerekē: ko ngā diode hei whakamātautau i te whakamārama i ngā hāngā, ā, ko ngā LED hei whakamātautau i te whakamārama i te āhua. Ko te whiriwhiri i ngā wāhi e tātai ana i ngā whāinga o te mahi hei whakamārama i te whai hua o te pūnaha, ā, he whakamārama hoki i ngā utu o te whakamātautau rānei o te whakamātautau iti.
Ngā Hāngā Whakamātautau mō ngā Mahi Tāwhai
I te aromatawai i ngā pūrere whakamarama hauraro-kaituku mō ngā tono ahumahi motuhake, me whakatau tuatahi e ngā kaipūkaha mēnā ko te mana whakahaere o nāianei, te hanga marama, te kitenga marama rānei te mea e hiahiatia ana. Ko tētahi ara porowhita e hiahiatia ana te whakahaere ngaohiko e hiahiatia ana he diode paerewa kua pai ake mo te whakatika. Ko tētahi tono e hiahia ana ki te whakamarama kitea, ki te tohu āhua rānei, e hiahiatia ana he whakaritenga mahi me te mahi o te LED. Ko tētahi pūnaha e hiahiatia ana te aroturuki i te marama taiao e hiahia ana ki te āhuahira o te photodiode me ngā āhuatanga urupare. Mā tēnei mārama mahi e ārai ai i te whakawhiti o ngā wāhanga kāore e tika ana, ā, ka whakarite kia angitu te hoahoa tuatahi.
Ko ngā whakaaro mō te utu hoki e tātai ana i ngā rerekētanga o ngā mahi. Ko ngā diode tātai, i te nuinga o ngā wā, he iti ake ngā utu i ngā LED i te whakamātautau i ia wāhanga, engari ko ngā pānga o ngā LED i te whai hua me ngā pānga o te mahi i tēnei wā e whakamāngai ana i ngā utu iti ake o te pūnaha i te wā roa mai i te iti ake o te whakamahinga i te hiko. Ko ngā whakamāhi i ngā photodiode e hiahiatia ana te whakamātautau ā-hapori, ā, ka taea pea te whakamāhi i ngā utu matua i ngā diode māmā. Ko te mātauranga i ēnei pānga o te utu me te whai hua he āwhina i ngā kaimātātaki mō te hoko kia whakamārama i ngā utu tuatahi o ngā wāhanga ki ngā uara o te pūnaha katoa me ngā whakamātautau o te whai hua o te mahi.
FAQ
He rerekē ngā LED i ngā diode?
Āe, ngā LED katoa he diode i te whakamārama o te pūnaha, nā te mea he rākau hāngai āhua e whakamāhinga ana i te tāwhai p-n e whakamāhinga ana i te wāhi i tēnei tāwhai i te tāwhai, ā, he rākau hāngai āhua e whakamāhinga ana i te tāwhai p-n e whakamāhinga ana i te wāhi i tēnei tāwhai i te tāwhai. Heoi anō, kāore ngā diode katoa he LED. Ko ngā diode tātai he rākau hāngai āhua e whakamāhinga ana i te tāwhai p-n e whakamāhinga ana i te wāhi i tēnei tāwhai i te tāwhai, ā, ko ngā LED he rākau hāngai āhua e whakamāhinga ana i te tāwhai p-n e whakamāhinga ana i te wāhi i tēnei tāwhai i te tāwhai. Ko te kupu 'diode' he whakamārama i te hanga o te rākau hāngai āhua, ā, ko te kupu 'LED' he whakamārama i te whakamāhi o tēnei hanga hei whakamāhi mō te whakamārama.
He whakamāhi i te diode tātai hei whakamāhi mō te LED?
Kāore ngā diode tātai e whakamāhinga i ngā LED i ngā whakamātautau āwhina, nā te mea kāore ngā diode tātai e whakamāhinga i te maha o ngā āhua kōrero kia kitea. Ahakoa he iti ngā photon e whakamāhinga ana ngā diode tātai i te whakamāhinga o te āhua kōrero, ko te rautaki o te tātai he whakamāhinga i te wāhi kia rere kore te wāhi, kāore he whakamāhinga o te āhua kōrero, ā, he iti tonu ngā hua kia whakamāhinga hei āwhina. I tēnei, he maha ngā hūnga o te hūnga i whakamāhinga ai ngā diode tātai i ngā LED i te rere o te wāhi, ā, he rerekē ngā hua o te hūnga i ngā whakamātautau āwhina.
He aha te mahi o ngā whakamātautau o ngā photodiode i ngā rākau LED?
Ko ngā whakamāhi o ngā photodiode e tautāwhai ana i te whai hua o ngā LED me ō rātou mahi i ngā rāhui āwhina me ngā rāhui whakamārama. Ko ngā LED e whakawhitinga ana i ngā whakaahua āhua, ā, ko ngā photodiode e whakamāhi ana i tēnei āhua hei whakamātautau, hei whakamārama, i te whakamāhi hoki hei whakamārama. I ngā rāhui whakamahi i ngā mahi pāmu, ko ngā LED e whakawhitinga ana i ngā wāhi mahi, i ngā tohu āhua, ā, ko ngā photodiode e whakamāhi ana i te āhua hei whakamātautau i te wāhi o te āhua, i te mātātoko hoki i te kaha hei whakamātautau kounga. I tēnei, ko ēnei ngā rāhui āhua o ngā rāhui āhua e hanga ana i ngā rāhui āhua whakamārama me ngā rāhui whakamārama katoa e whakamāhinga ana i te whai hua o ngā rāhui whakamahi me te whakamāhinga.
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