ʻImi ʻImi ʻAʻole ʻo CT: Nā kumu kumu a me ka hoʻoponopono ʻana

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ʻImi ʻImi ʻAʻole ʻo CT: Nā kumu kumu a me ka hoʻoponopono ʻana

Ua hoʻohana nui ʻia ka CT scanners i ka ʻoihana lapaʻau ma kahi kokoke i nā halemai āpau a i ʻole ma luna o ka pae kalana ma Kina a me nā ʻāina ʻē. ʻO nā mīkini ʻimi CT he mau mīkini i ʻike pinepine ʻia i nā lawelawe olakino. I kēia manawa e hoʻolauna pōkole wau i ke ʻano kumu o kahi CT scanner a me nā kumu nui o ka hemahema o ka CT scanner.

 
A. ʻO ka hana kumu o ka CT scanner
 
Ma hope o nā makahiki o ka hoʻomohala ʻana, ua hoʻomaikaʻi nui ʻia nā mea ʻimi CT, me ka hoʻonui ʻana i ka helu o nā papa ʻike a me ka wikiwiki o ka nānā ʻana. Eia nō naʻe, ʻokoʻa ka nui o kā lākou ʻāpana lako a hiki ke hoʻokaʻawale ʻia i ʻekolu mau ʻāpana nui:
 
1)X-ray mea ʻike maka
2)Komepiula console
3)Paʻa maʻi no ke kūlana
4)Ma ke ʻano a me ka hana, aia nā mea ʻimi CT i kēia mau ʻāpana:
 
ʻO ke kuleana no ka hoʻomalu ʻana i ka nānā ʻana i ke kamepiula a me ke kūkulu hou ʻana i nā kiʻi
ʻO ka ʻāpana mechanical no ka hoʻonohonoho ʻana a me ka nānā ʻana i nā mea maʻi, e komo pū ana me ka scanning gantry a me ka moena
Kiʻekiʻe-voltage X-ray mea hana a me X-ray paipu no ka hana X-ray
Loaʻa i ka ʻikepili a me ka ʻāpana ʻike no ka unuhi ʻana i ka ʻike a me ka ʻikepili
Ma muli o kēia mau hiʻohiʻona koʻikoʻi o nā CT scanners, hiki i kekahi ke hoʻoholo i ke kuhikuhi kumu no ka hoʻoponopono ʻana i nā pilikia.
 
ʻElua papa helu, kumu, a me nā hiʻohiʻona o nā hewa mīkini CT
 
Hiki ke hoʻokaʻawale ʻia nā hemahema o ka mīkini CT i ʻekolu mau ʻano: nā hemahema i hoʻokumu ʻia e nā kumu kaiapuni, nā hewa ma muli o ka hana kūpono ʻole, a me nā hemahema ma muli o ka ʻelemakule a me ka hōʻino ʻana o nā mea i loko o ka ʻōnaehana CT, e alakaʻi ana i ka drift parameter a me ka lole mechanical.
 
1)hananā lures i hana ʻia e nā kumu kaiapuni
ʻO nā mea kaiapuni e like me ka mahana, ka haʻahaʻa, ka hoʻomaʻemaʻe ʻana i ka ea, a me ka paʻa o ka mana hiki ke kōkua i ka hemahema o ka mīkini CT. ʻAʻole lawa ka ventila a me ke kiʻekiʻe o ka lumi wela hiki ke hoʻoulu i nā mea hana e like me nā lako mana a i ʻole nā ​​mea hoʻololi i ka wela, hiki ke alakaʻi i ka pōʻino o ka papa kaapuni. Hiki ke hoʻoulu ʻia nā kiʻi kiʻi i nā pilikia o ka mīkini a me ka neʻe ʻana o ka wela nui ma muli o ka hoʻoluʻu kūpono ʻole. Hiki i ka piʻi ʻana o ka volta lako CT ke hoʻopau i ka hana kamepiula kūpono, e hoʻopilikia ai i ka hana ʻana o ka mīkini, ke kaomi ʻokoʻa ʻole, X-ray instability, a me ka hopena i ka maikaʻi o ke kiʻi. Hiki i ka hoʻomaʻemaʻe ʻana i ka ea maikaʻi ʻole ke hopena i ka hōʻiliʻili ʻana o ka lepo, e alakaʻi ana i nā hana ʻino i ka mana o ka hoʻouna ʻana i ka hōʻailona optical. Hiki i ka haʻahaʻa haʻahaʻa ke hoʻopōkole a me nā mea uila uila. Hiki i nā mea kaiapuni ke hōʻeha nui i nā mīkini CT, i kekahi manawa e hōʻeha mau ai. No laila, he mea koʻikoʻi ka mālama ʻana i kahi kaiapuni hana maikaʻi loa no ka hōʻemi ʻana i nā hewa mīkini CT a hoʻonui i ko lākou ola lawelawe.
 
2) Nā hewa i hana ʻia e ka hewa kanaka a me ka hana pono ʻole
ʻO nā kumu maʻamau e hāʻawi ana i ka hewa kanaka, ʻo ia ka nele o ka manawa no ka hoʻomaʻamaʻa ʻana a i ʻole ka calibration, ka hopena i ka like ʻole o ke kiʻi a i ʻole nā ​​pilikia maikaʻi, a me ka hoʻonohonoho hewa ʻana i nā kiʻi makemake ʻole. Hiki ke hana ʻia nā mea metala i ka wā e ʻaʻahu ana nā mea maʻi i nā mea metala i ka wā o ka scan. ʻO ka hoʻohana ʻana i nā mīkini CT he nui i ka manawa like hiki ke alakaʻi i nā pōʻino, a ʻo ke koho kūpono ʻole o nā ʻāpana scanning hiki ke hoʻokomo i nā kiʻi kiʻi. ʻO ka mea maʻamau, ʻaʻole hiki i nā hewa kanaka ke kumu i nā hopena koʻikoʻi, ʻoiai ke ʻike ʻia nā kumu kumu, hahai ʻia nā kaʻina hana kūpono, a hoʻomaka hou a hana hou ʻia ka ʻōnaehana, a laila e hoʻoponopono maikaʻi i nā pilikia.
 
3) Nā hemahema a me nā pōʻino i loko o ka ʻōnaehana CT
Hiki i nā ʻāpana ʻenehana CT ke ʻike i kā lākou hana ponoʻī. Ma ka hapanui o nā ʻōnaehana CT oʻo, hiki mai nā hemahema e like me ke ʻano o ka noho lio i ka manawa, ma hope o ka helu helu. Hōʻike ʻia ka manawa hoʻokomo ʻia e ka nui o ka hāʻule ʻana i loko o nā mahina ʻeono mua, a ukali ʻia e kahi pae haʻahaʻa haʻahaʻa paʻa i ka wā lōʻihi o ʻelima a ʻewalu mau makahiki. Ma hope o kēia manawa, piʻi mālie ka helu hāʻule.
 
 
a. Nā hemahema o ka ʻāpana mīkini
 
ʻO nā hewa nui ma lalo nei ke kūkākūkā nui ʻia:
 
E like me nā makahiki o nā mea hana, hoʻonui nā hemahema mechanical i kēlā me kēia makahiki. I nā lā mua o CT, ua hoʻohana ʻia ke ʻano hoʻololi hoʻololi i ka pōʻai scan, me ka wikiwiki o ka hoʻololi ʻana mai ka ʻaʻahu a lohi a kū mau. Ua alakaʻi kēia i kahi kiʻekiʻe o ka hemahema mechanical. ʻO nā pilikia e like me ka wikiwiki paʻa ʻole, ka wili hiki ʻole ke hoʻopaʻa ʻia, nā pilikia braking, a me nā pilikia hoʻopaʻapaʻa kāʻei. Hoʻohui ʻia, ua loaʻa ke kaula a me nā haki. I kēia mau lā, hoʻohana ka hapa nui o nā mīkini CT i ka ʻenehana slip ring no ka hoʻololi ʻana i ka ʻaoʻao hoʻokahi, a ua hoʻokomo pū kekahi mau mīkini kiʻekiʻe i ka ʻenehana hoʻokele magnetic, e hōʻemi nui ana i nā haʻihaʻi i nā mīkini wili. Eia nō naʻe, hoʻopuka nā apo paʻa i kā lākou mau hewa ponoʻī, no ka mea, hiki i ka friction lōʻihi ke hopena i ka pilina maikaʻi ʻole a hoʻoulu i nā hemahema mechanical a me nā uila e like me ka wili ʻole ʻia, ka mana kiʻekiʻe-piʻi, ka ʻā (i ke ʻano o nā apo paheʻe kiʻekiʻe), a me ka nalowale o ka mana. nā hōʻailona (i ka hihia o ka hoʻouna ʻana i ke apo slip). Pono ka mālama mau ʻana a me ka hoʻololi ʻana i nā apo slip. ʻO nā ʻāpana ʻē aʻe, e like me nā X-ray collimators, hiki nō hoʻi i nā hemahema mechanical e like me ka paʻa ʻana a i ʻole ka hele ʻana i waho o ka mana, ʻoiai e hāʻule paha nā mea pā ma hope o ka hana lōʻihi. Hiki i ka mea hoʻoheheʻe pulse ke kuleana no nā hōʻailona hoʻokele kaʻa kaʻa e ʻike i ka ʻaʻahu a i ʻole ka pōʻino, e alakaʻi ana i nā ʻano pohō pulse.
 
b. Nā hewa i hana ʻia e nā ʻāpana X-ray
 
Ke hilinaʻi nei ka mana hana mīkini X-ray CT ma nā ʻāpana like ʻole me nā mea hoʻohuli kiʻekiʻe, nā mea hoʻololi kiʻekiʻe-voltage, nā paipu X-ray, nā kaʻa kaʻa, a me nā kaula uila kiʻekiʻe. Aia nā hewa maʻamau:
 
X-ray paipu hāʻule: ʻO kēia nā mea e pili ana i ka holo ʻana o ka anode, i hōʻike ʻia e ka walaʻau ʻana nui, a me nā hihia koʻikoʻi kahi hiki ʻole ke hoʻololi a paʻa paha ka anode, e hopena i ka overcurrent ke ʻike ʻia. ʻAʻole hiki i ka hāʻule ʻana o ke filament ke kumu ʻole i ka radiation. ʻO ka leaka kumu aniani ke alakaʻi i ka nahae a i ʻole ka leakage, e pale ana i ka ʻike ʻana a me ka hāʻule ʻana o ka vacuum a me ka ʻā ʻana o ka uila kiʻekiʻe.
 
Nā hāʻule o ka hanauna kiʻekiʻe-voltage: ʻO nā hewa i ka kaapuni inverter, nā haʻihaʻi, nā pōkole pōkole i ka transformer kiʻekiʻe-voltage, a me ka hoʻāla ʻana a i ʻole ka haki ʻana o nā capacitors kiʻekiʻe-voltage e puhi pinepine i ka fuse pili. ʻAʻole hiki ke hōʻike ʻia a hoʻopau ʻia paha ma muli o ka pale.
 
ʻO nā hewa uwea kiʻekiʻe-voltage: ʻO nā pilikia maʻamau e pili ana i nā mea hoʻopili wehe e hoʻāla ai, overvoltage, a i ʻole ka uila kiʻekiʻe. I nā mīkini CT mua, hiki i ka hoʻohana lōʻihi ke alakaʻi i ka ʻaʻahu a me ka haehae ʻana i nā kaula hoʻāla uila kiʻekiʻe, e hopena i nā pōkole kūloko. ʻO kēia mau hemahema e like me ka fuse i puhi ʻia.
 
c. Nā hewa pili kamepiula
 
ʻO nā hemahema ma ka ʻāpana kamepiula o nā mīkini CT he mea kakaikahi a maʻalahi hoʻi e hoʻoponopono. Hoʻopili nui lākou i nā pilikia liʻiliʻi me nā ʻāpana e like me nā kīwī, nā ʻiole, nā trackballs, a me nā mea ʻē aʻe. poino.
 
No ka ʻike hou aku e pili ana i nā mīkini CT a me ka hoʻohana ʻana i nā capacitors ceramic high-voltage i nā lako X-ray, e ʻoluʻolu e kipa www.hv-caps.com.

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