He DC paraiheHe momo motuka noa te motuka e rere ana i runga i te hiko iahiko tika (DC). E whakamahia ana i roto i ngā momo tono maha, mai i ngā hiko iti a te kaihoko ki ngā mīhini ahumahi nui. I roto i tēnei tuhinga whakataki poto, ka tirohia e tātou te mahi a ngā motuka DC paraihe, ōna wāhanga, me ōna tono.
Ko te mahi taketake o tētahiMōta hiko 8mm te whānuikei roto ko te taunekeneke o te papa aukume me te iahiko hiko hei whakaputa nekehanga. Ko ngā wāhanga matua o te motuka DC paraihe ko te stator, te rotor, te commutator me ngā paraihe. Ko te stator te wāhanga pumau o te motuka, ā, kei roto ko ngā aukume, ko ngā koiri hikohiko rānei i roto, ko te rotor ia te wāhanga hurihuri o te motuka, ā, kei roto ko te anga. Ko te commutator he pana hurihuri e whakahaere ana i te rere o te iahiko ki te anga, ā, ka pa atu ngā paraihe ki te commutator hei whakawhiti mana ki te anga.
Ina pāngia te iahiko ki te motuka, ka hangaia he papa aukume i roto i te stator. Ka taunekeneke tēnei papa aukume ki te papa aukume o te rotor, ka huri te rotor. Ina huri te rotor, ka mahi tahi te commutator me ngā paraihe ki te huri tonu i te ahunga o te iahiko e rere ana i roto i te anga kia mau tonu ai te huri o te rotor i te ahunga kotahi.
Kaupapa Mahi
Ko te mahi a te motuka DC paraihe e ahu mai ana i te kaupapa matua o te whakaawe hikohiko me te taunekeneke i waenga i ngā papa aukume. Ina tukuna he iahiko ki te motuka, ka whakaputa te stator—ahakoa he aukume tuturu, he koiri hikohiko rānei—i tētahi papa aukume pumau. I te wā kotahi, ka rere te iahiko mā roto i ngā takai anga i runga i te rotor, ka huri i te rotor hei aukume hiko. Ka taunekeneke te papa aukume o te stator me te papa aukume o te rotor tetahi ki tetahi, ka puta he taipana hurihuri (kaha Lorentz) e meinga ai te rotor kia hurihuri.
Ko tētahi āhuatanga nui o te pupuri i te hurihanga tonu i te ahunga kotahi ko te mahi tahi a te commutator me ngā paraihe. I te hurihanga o te rotor, ka huri tahi te commutator—he wāhanga mowhiti-wehe e piri ana ki te rakau rotor. Ka mau tonu te whakapā o ngā paraihe, he mea hanga ki te waro, ki te karāhe rānei, ki ngā wāhanga commutator. I te taenga o te rotor ki ngā tūranga motuhake, ka huri te commutator i te ahunga o te ia e rere ana i roto i ngā takai armature. Mā tēnei hurihanga o te ia e whakarite kia rite tonu te polarity aukume o te rotor e pā ana ki te stator, ka whakaputa i te kaha hurihanga tonu, ā, ka ārai i te rotor mai i te tū, i te huri rānei i te ahunga.
Ngā Āhuatanga Mahi
Whai huatanga
Ka rerekē te whai huatanga o ngā motuka DC paraihe i runga i te hoahoa, te rahi, me ngā āhuatanga whakahaere. Ko ngā motuka DC paraihe iti ake, pērā i ngā mea e whakamahia ana i roto i ngā hikohiko kaihoko, he 50-70% te nuinga o te wā, ko ngā motuka nui ake o te taumata ahumahi ka taea te whakatutuki i te whai huatanga tae atu ki te 85%, neke atu rānei. Ko ngā mea matua e pā ana ki te whai huatanga ko te waku paraihe-whakawhitiwhiti, te ngaronga parahi i roto i ngā takai anga, te ngaronga rino i roto i ngā matua stator me te rotor, me ngā ngaronga miihini (hei tauira, te waku peera). Ko te kakahu paraihe me te hekenga o te whakawhitiwhitiwhiti i roto i te wā ka arahi hoki ki te hekenga āta o te whai huatanga.
Te pakari me te roanga o te ora
Ko te roa o te ora o tētahi motuka DC paraihe ka tino whakatauhia e te pakaru o te paraihe me te commutator. I raro i ngā āhuatanga mahi noa, ka roa pea ngā paraihe mai i te mano ki te tekau mano hāora, i runga i ngā āhuatanga pēnei i te tere mahi, te kawenga, te pāmahana, me te kounga o ngā rauemi paraihe me te commutator. I roto i ngā tono tere-nui, kawenga-nui rānei, ka tere ake te pakaru o te paraihe, ka whakaiti i te roa o te ora o te motuka. Hei tāpiri, ko te waku i waenga i ngā paraihe me te commutator ka puta he puehu me te wera, ka pā atu ki te mahi me te roa o te motuka mena kāore e tika te whakahaere.
Ngā tono
Ahakoa i whakarārangihia i roto i te pukapuka tuatahi ētahi tono matua, he whānui ake te whānuitanga o ngā āhuatanga e whakamahia ana ngā motuka DC paraihe nā ō rātou āhuatanga ahurei.
Ngā Hikohiko Kaihoko
He whānuitia ngā motuka DC paraihe i roto i ngā taputapu hiko kaihoko, nā te iti o te rahi, te iti o te utu, me te hoahoa māmā e pai ai:
Ngā taputapu kawe: Ngā motuka wiri i roto i ngā waea atamai me ngā papa mō te urupare haptic (hei tauira, ngā whakamōhiotanga, ngā pūmana kēmu).
Ngā taputapu kāinga: Ngā mōtini i roto i ngā heu hiko, ngā whakamaroke makawe, ngā mīhini whakaranu, me ngā mīhini horoi korehau.
Ngā taputapu oro: Ngā motuka tēpu hurihuri me ngā motuka kaitākaro rīpene (i roto i ngā taputapu oro tawhito me ētahi taputapu oro hou).
Robotics me te Rererangi
He whānuitia te whakamahinga o ngā motuka DC paraihe i roto i te hangarau karetao me te rererangi nā te mea he iti te rahi me te taipana tīmatanga teitei:
Ngā karetao iti: Ngā karetao takaro, ngā karetao mātauranga, me ngā karetao whakangahau e hiahia ana ki ngā nekehanga taketake.
Ngā Pūrere Hauora
I roto i ngā taputapu hauora, ka whakamahia ngā motuka DC paraihe i ngā tono e hiahia ana kia tika, kia pono hoki te nekehanga:
Ngā tūru wīra: Hei whakarato i te nekenekehanga mō te hunga hauā, me te whakahaere tere kua whakaritea kia rite ki ngā hiahia o te kaiwhakamahi.
Ngā papu hauora: Ngā papu whaowhia me ngā papu peristaltic e tuku ana i ngā rongoā, i ngā wai rānei i te tere whakahaeretia.
Ngā taputapu tātaritanga: Ngā mōtini iti i roto i ngā mīhini ultrasound me ngā aroturuki toto mō ngā nekehanga ā-ringa.
Whakamutunga
Haunga te hoahoa māmā me te taipana tīmatanga teitei, he iti te utu me te ngāwari ki te whakamahi i ngā motuka DC paraihe, ā, he mea rongonui mō ngā tono maha. Heoi, he iti tonu ō rātou herenga, pērā i te iti o te whakahaere tere me ngā whakaritenga tiaki teitei ake nā te pakaru o te paraihe me te commutator.
Ahakoa ēnei herenga,motuka DC paraiheKei te whakamahia whānuitia tonutia ngā s i roto i ngā momo ahumahi, tae atu ki te motuka, te karetao, me te rererangi. E whakamahia ana ēnei i roto i ngā mahi pēnei i ngā matapihi hiko motuka, ngā horoi matapihi me ngā whakatikatika nohoanga hiko, tae atu ki ngā ringa karetao me ngā kaiwhakaoho i roto i te aunoatanga ahumahi.
Hei whakarāpopototanga, he kōwhiringa maha ngā mahi, he kōwhiringa pono hoki ngā motuka DC paraihe mō ngā tono maha nā te mea he hoahoa māmā, he taipana tīmatanga teitei, me te whakahaere tere ngāwari. Ahakoa he iti noa iho ō rātou herenga, nā te iti o te utu me te wātea e pai ai te whiriwhiri mō ngā tono ahumahi me ngā tono kaihoko. I te haere tonu o te whanaketanga o te hangarau, ka...ngā motuka monitera pea ka noho tonu hei wāhanga nui o te ao motuka i ngā tau e haere ake nei.
Kōrero ki ō Tohunga Kaiārahi
Ka āwhina mātou i a koe ki te karo i ngā mahanga hei whakatutuki i te kounga me te uara o tō motuka paraihe iti e hiahiatia ana, i te wā tika me te tahua.
Wā tuku: Hakihea-16-2023
