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te kaupapa mahi a te magnetron

Pūtake tuhinga: Zhenhua vacuum
Pānuihia:10
I whakaputaina:23-08-18

I roto i te hangarau, kua whai wāhi nui ētahi mea hou ki te whakarerekē i te ao e mōhiotia nei e tātou. Ko tētahi o aua mea hou ko te magnetron, he wāhanga nui i roto i ngā oumu ngaruiti. He mea tika kia tūhuratia te mahi a te magnetron nā te mea e whakaatu ana i ngā tikanga kei muri i tēnei taputapu hou.

Mō ngā aukumetoroni, ko ngā kaupapa matua ko te taunekeneke i waenga i ngā papa hiko me ngā papa aukume. Nā tēnei taunekeneke i roto i te ngongo korehau ka puta he ngaru hiko auau teitei, ko te nuinga i roto i te ahua o ngā ngaruiti. Mā ēnei oumu ngaruiti ka taea e te ngaruiti te mahi i tana mahi tunu kai me te ngāwari.

He maha ngā wāhanga matua o te magnetron, ā, he mahi motuhake tā ia wāhanga i roto i te pūnaha mahi whānui. Kei waenganui ko te cathode, he miro e tuku ana i ngā irahiko ina werahia. Kātahi ka kukumea ēnei irahiko ki te anode, he rango whakarewa kei waenganui o te magnetron. I te whakatata atu o ngā irahiko ki te anode, ka tūtaki rātou ki tētahi papa aukume o waho e hangaia ana e ngā aukume e karapoti ana i te anode.

Ko tēnei papa aukume te mea nui ki te mahi a te aukume. Nā te kaha Lorentz, ka pāngia te irahiko e neke ana e te kaha poutū ki tōna ahunga nekehanga me ngā rārangi papa aukume. Ka nekehia e tēnei kaha ngā irahiko i te ara piko, e hurihuri ana i te anode.

Nā, koinei te wāhi e tino tupu ai te makutu. He kōhao, he resonator rānei te āhua porotaka o te anode e mahi ana hei rūma kōhao. I te neke haere a ngā irahiko i te anode, ka haere rātou mā roto i ēnei resonator. I roto i ēnei kōhao ka tukuna e ngā irahiko te pūngao i roto i te ahua o ngā ngaru hikohiko.

Mā te whakakotahitanga o te papa aukume me te resonator ka taea e ngā irahiko te tuku pūngao i roto i te huarahi tukutahi, ka hangaia he ngaruiti auau-teitei. Kātahi ka tukuna ēnei ngaruiti mā te pūihi putanga ki roto i te kōhao tunu kai o te oumu ngaruiti.

Kua hurihia te huarahi e tunu ai, e whakamahana ai hoki te kai e te mahi a te magnetron. Mā te whakaputanga me te tukunga pai o ngā ngaruiti ka taea te tunu tere, ōrite hoki, he mahi whakamiharo i kore e taea te whakaaro i mua. I ēnei rā, he taputapu noa ngā oumu ngaruiti nā te hoahoa pai o te magnetron.

I roto i ngā purongo hou, kua whakaohokia te harikoa e te hapori pūtaiao nā te whanaketanga o te hangarau magnetron. Kei te tūhura ngā kairangahau i ngā huarahi hei whakanui ake i te pai me te putanga hiko o ngā magnetron. Ka taea e tēnei te whakarei ake i ngā kaha o ngā oumu ngaruiti me ngā tono i roto i ētahi atu wāhanga pērā i te radar me te whakawhitiwhiti kōrero.

He mea whakamiharo te mahi a te magnetron, e whakaatu ana i te mana whakamiharo o te kitenga pūtaiao. Mā te whakamahi i te taunekeneke i waenga i ngā papa hiko me ngā papa aukume, ka whakatakotohia e ngā magnetron te huarahi mō te tunu kai watea me te whai hua. I te haere tonu o te whanaketanga o te hangarau, ka taea e tātou te matapae ka nui ake ngā tono pai o te hangarau magnetron i roto i ngā rā kei te heke mai.


Wā tuku: 18 o Ākuhata 2023