Ki te hikoi koe i te awheawhe o te wheketere matū, ka kite koe i ētahi paipa he takirere porowhita ō rātou, arā, he takirere whakahaere.
Takirere whakahaere diaphragm hau
Ka taea e koe te mōhio ki ētahi kōrero mō te takirere whakahaere mai i tōna ingoa. Ko te kupu matua "whakahaere" ko te taea te whakarite i tōna awhe whakatikatika i waenga i te 0 me te 100%.
Me mōhio e ngā hoa tūpato kei raro i te pane o ia takirere whakahaere tētahi taputapu. Me mōhio te hunga e mōhio ana ki tēnei taputapu koinei te ngākau o te takirere whakahaere, te tūnga takirere. Mā tēnei taputapu, ka taea te whakarite i te nui o te hau e tomo ana ki te pane (kiriata hau). Whakahaere tika i te tūnga o te takirere.
Kei roto i ngā tūnga takirere ngā tūnga atamai me ngā tūnga mīhini. I tēnei rā ka kōrerohia e tātou te tūnga mīhini whakamutunga, he rite tonu ki te tūnga e whakaaturia ana i te pikitia.
Te kaupapa mahi o te tūnga takirere hau miihini
Te hoahoa hanganga o te tūnga takirere
E whakamārama ana te pikitia i ngā wāhanga o te tūnga takirere hau ā-ringa takitahi. Ko te mahi e whai ake nei ko te tirotiro me pēhea te mahi?
I ahu mai te pūtake hau i te hau kōpeke o te teihana kōpeke hau. Kei mua i te tomokanga pūtake hau o te tūnga takirere he takirere whakaiti pēhanga tātari hau hei pure i te hau kōpeke. Ka tomo te pūtake hau mai i te putanga o te takirere whakaiti pēhanga mai i te tūnga takirere. Ka whakatauhia te nui o te hau e tomo ana ki te pane kiriuhi o te takirere i runga i te tohu putanga o te kaiwhakahaere.
Ko te putanga tohu hiko e te kaiwhakahaere he 4~20mA, ā, ko te tohu hauhautanga he 20Kpa~100Kpa. Ko te hurihanga mai i te tohu hiko ki te tohu hauhautanga ka mahia mā te kaitahuri hiko.
Ina hurihia te tohu hiko e tukuna ana e te kaiwhakahaere hei tohu hau e rite ana, ka pāngia te tohu hau kua hurihia ki te pupuhi. Ka neke te Rīwai 2 i te taha o te pūtahi, ā, ka neke te wāhanga o raro o te rīwai 2 ki te taha matau ka whakatata atu ki te pūwero. Ka piki ake te pēhanga o muri o te pūwero, ā, i muri i te whakanui ake e te whakakaha hau (te wāhanga me te tohu iti iho i te i roto i te pikitia), ka tukuna tetahi wāhanga o te pūtake hau ki te rūma hau o te diaphragm hau. Ka haria e te kātua takirere te matua takirere ki raro, ā, ka whakatuwhera aunoa i te takirere. Ka iti haere. I tēnei wā, ka neke te tokotoko urupare (te tokotoko piu i roto i te pikitia) e hono ana ki te kātua takirere ki raro i te taha o te pūtahi, ka neke te pito o mua o te rakau ki raro. Ka huri te kāmeka rerekē e hono ana ki a ia ki te taha maui, ā, ka huri te roera ki te taha matau ka neke ki te taha maui. Totorohia te puna urupare. Nā te mea ka totorohia e te wāhanga o raro o te puna urupare te rīwai 2 ka neke ki te taha maui, ka tae ki te taurite kaha me te pēhanga tohu e pā ana ki te pupuhi, nō reira ka mau te takirere ki tētahi tūranga, ā, kāore e neke.
Mā te whakataki i runga ake nei, me mārama koe ki te tūnga takirere ā-ringa. Mēnā ka wātea, he pai ake te wetewete i te wā e whakamahia ana, kia hohonu ake ai te tūnga o ia wāhanga o te tūnga me te ingoa o ia wāhanga. Nō reira, ka mutu te kōrero poto mō ngā takirere ā-ringa. Muri iho, ka whakawhānui ake tātou i te mōhiotanga kia hohonu ake ai te māramatanga ki ngā takirere whakahaere.
te whakawhānui i te mātauranga
Te whakawhānui i te mātauranga tuatahi
Ko te takirere whakahaere hauhautanga i te pikitia he momo kati-hau. Ka pātai ētahi, he aha ai?
Tuatahi, tirohia te ahunga tomo o te hau o te diaphragm aerodynamic, he pānga pai tēnei.
Tuarua, tirohia te ahunga tāutanga o te matua takirere, he pai tēnei.
Ko te pūtake whakapūnga hau o te rūma hau o te diaphragm, ka pēhia e te diaphragm ngā puna e ono kua taupokina e te diaphragm, ka panaia te kakau takirere kia neke ki raro. Ka honoa te kakau takirere ki te matua takirere, ā, ka tāutahia te matua takirere ki mua, nō reira ko te pūtake hau ko te takirere Neke ki te tūranga whakaweto. Nō reira, ka kiia ko te takirere hau-ki-te-kati. Ko te tikanga o te whakatuwheratanga hapa ina motuhia te tuku hau nā te hanganga, te waikura rānei o te paipa hau, ka tautuhia anō te takirere i raro i te kaha tauhohenga o te puna, ā, ka hoki anō te takirere ki te tūranga tuwhera katoa.
Me pēhea te whakamahi i te takirere whakaweto hau?
Ko te haumaru te mea e whakaarohia ana mō te whakamahinga. He mea nui tēnei hei whakatau mēnā ka tahuri, ka whakaweto rānei i te hau.
Hei tauira: me kati te pūma korohū, tētahi o ngā taputapu matua o te pōro, me te takirere whakahaere e whakamahia ana i roto i te pūnaha tuku wai. He aha ai? Hei tauira, ki te motuhia ohorere te pūtake hau, te pūtake hiko rānei, kei te mura tonu te oumu, ā, kei te whakamahana tonu i te wai i roto i te pūma. Ki te whakamahia te hau hei whakatuwhera i te takirere whakahaere, ā, ka motuhia te pūngao, ka kati te takirere, ā, ka pau te pūma i roto i ngā meneti me te kore wai (tahu maroke). He tino morearea tēnei. Kāore e taea te whakatau i te pakaru o te takirere whakahaere i roto i te wā poto, ka mutu ai te oumu. Ka puta ngā aituā. Nō reira, hei karo i te tahu maroke, i ngā aituā kati oumu rānei, me whakamahi he takirere kati hau. Ahakoa kua motuhia te pūngao, ā, kei te tūwhera katoa te takirere whakahaere, ka tukuna tonutia te wai ki roto i te pūma korohū, engari kāore e puta he moni maroke i roto i te pūma korohū. He wā tonu hei whakatau i te pakaru o te takirere whakahaere, ā, kāore te oumu e kati tika hei whakatau.
Mā ngā tauira i runga ake nei, kua mōhio kē koe ki te whiriwhiri i ngā takirere whakahaere whakatuwhera-hau me ngā takirere whakahaere kati-hau!
Te Whakawhanuitanga o te Mātauranga 2
E pā ana tēnei mōhiotanga iti ki ngā panonitanga o ngā pānga pai me ngā pānga kino o te taputapu kimi.
He mahi pai te takirere whakahaere i te ahua. E rua ngā taha o te kāme eccentric AB, ko A te taha o mua, ā, ko B te taha. I tēnei wā, kei te anga whakaroto te taha A, ā, he tauhohenga te huri i te taha B ki waho. Nō reira, ko te whakarerekē i te ahunga A i te pikitia ki te ahunga B he tauhohenga tūnga takirere miihini.
Ko te pikitia tūturu i roto i te pikitia he tūnga takirere mahi-pai, ā, ko te tohu putanga o te kaiwhakahaere he 4-20mA. Ina 4mA, ko te tohu hau e rite ana ko 20Kpa, ā, kua tuwhera katoa te takirere whakahaere. Ina 20mA, ko te tohu hau e rite ana ko 100Kpa, ā, kua kati katoa te takirere whakahaere.
He painga me he ngoikoretanga ngā tūnga takirere miihini
Ngā Painga: te whakahaere tika.
Ngā Huakore: Nā te mana hau, ki te whakahokia te tohu tūranga ki te rūma whakahaere matua, me whai taputapu huri hiko tāpiri.
Te whakawhānui mātauranga tuatoru
Ngā take e pā ana ki ngā pakaru o ia rā.
He mea noa ngā hapa i te wā o te tukanga whakaputa, ā, he wāhanga hoki o te tukanga whakaputa. Engari kia mau tonu ai te kounga, te haumaru, me te rahinga, me whakatika wawe ngā raruraru. Koinei te uara o te noho tonu ki te kamupene. Nō reira, ka matapakihia e mātou ētahi āhuatanga hapa e pā ana ki:
1. He rite te putanga o te tūnga takirere ki te honu.
Kaua e huakina te taupoki o mua o te tūnga takirere; whakarongo ki te tangi kia kite ai mēnā kua pakaru te paipa pūtake hau, ā, kei te turuturu. Ka taea tēnei te aromatawai mā te kanohi tahanga. Ā, whakarongo hoki mēnā he tangi turuturu mai i te rūma hau whakauru.
Whakatuwheratia te taupoki o mua o te tūnga takirere; 1. Mēnā kua āraia te kōhao pumau; 2. Tirohia te tūranga o te ārai; 3. Tirohia te ngāwari o te puna urupare; 4. Wetewetehia te takirere tapawhā ka tirohia te diaphragm.
2. He hoha te putanga o te tūnga takirere
1. Tirohia mēnā kei roto te pēhanga o te pūtake hau i te awhe kua tohua, ā, mēnā kua taka te tokotoko urupare. Koinei te taahiraa māmā rawa.
2. Tirohia mēnā he tika te waea o te raina tohu (ko ngā raruraru e puta ake ana i muri mai ka kore e arohia)
3. He mea kei waenganui i te koiri me te armature?
4. Tirohia mēnā he tika te tūnga o te pūwero me te ārai.
5. Tirohia te āhua o te koiri wāhanga hikohiko
6. Tirohia mēnā he tika te tūranga whakarerekētanga o te puna taurite
Kātahi ka tāuruhia he tohu, engari kāore te pēhanga putanga e rerekē, kei reira te putanga engari kāore e eke ki te uara mōrahi, me ētahi atu. Ka tūpono anō hoki ēnei hapa i ngā hapa o ia rā, ā, e kore e kōrerohia i konei.
Te whakawhānui mātauranga tuawhā
Te whakatikatika i te whiu takirere
I te wā whakaputa, mā te whakamahi i te takirere whakahaere mō te wā roa ka hē te tukituki. I te nuinga o te wā, he hapa nui tonu ina ngana ana ki te whakatuwhera i tētahi tūranga.
Ko te whiu he 0-100%, tīpakohia te pūwāhi mōrahi mō te whakatikatika, arā, 0, 25, 50, 75, me te 100, e whakaatuhia ana katoa hei ōrau. Ina koa mō ngā tūnga takirere miihini, i te wā e whakatikatika ana, me mōhio ki ngā tūranga o ngā wāhanga ā-ringa e rua i roto i te tūnga, arā, te tūranga kore whakatikatika me te whānuitanga whakatikatika.
Ki te tangohia e tātou te takirere whakahaere whakatuwhera-hau hei tauira, whakatikatikaina.
Hipanga 1: I te pūwāhi whakatikatika kore, ka tukuna e te rūma whakahaere, e te kaihanga tohu rānei te 4mA. Me kati rawa te takirere whakahaere. Ki te kore e taea te kati rawa, me mahi te whakatikatika kore. Kia oti te whakatikatika kore, whakatikatika tika te pūwāhi 50%, ka whakatikatika i te whānuitanga kia rite. I taua wā anō, kia mōhio kei te poutū te tokotoko urupare me te kakau takirere. Kia oti te whakatikatika, whakatikatikahia te pūwāhi 100%. Kia oti te whakatikatika, whakatikatikahia kia maha ngā wā mai i ngā pūwāhi e rima i waenga i te 0-100% kia tika rā anō te whakatuwheratanga.
Whakamutunga; mai i te pūwhakatū mīhini ki te pūwhakatū atamai. Mai i te tirohanga pūtaiao me te hangarau, kua whakaitihia e te tere o te whanaketanga o te pūtaiao me te hangarau te kaha o te mahi a ngā kaimahi tiaki o mua. Ki taku whakaaro, ki te hiahia koe ki te whakaharatau i ō pūkenga ā-ringa me te ako i ngā pūkenga, ko te pūwhakatū mīhini te mea pai rawa atu, inā koa mō ngā kaimahi taputapu hou. Ki te kī tika, ka taea e te pūwhakatū atamai te mārama ki ētahi kupu i roto i te pukapuka ā-ringa, ā, ka neke noa ō maihao. Ka whakarerekē aunoa i ngā mea katoa mai i te whakarerekē i te pūwāhi kore ki te whakarerekē i te whānuitanga. Taria kia mutu te purei, ka horoia te wāhi. Waiho noa. Mō te momo mīhini, he maha ngā wāhanga me wetewete, me whakatika, me tāuta anō e koe. Ka tino whakapai ake tēnei i tō pūkenga ā-ringa, ā, ka nui ake tō miharo ki tōna hanganga o roto.
Ahakoa he atamai, he kore rānei, he tūranga nui tōna i roto i te tukanga whakaputa aunoa katoa. Kia "pā" rā anō, kāore he huarahi hei whakarerekē, ā, kāore he tikanga o te whakahaere aunoa.
Wā tuku: 31 o Ākuhata-2023