Common X-ray Tube Failure Analysis
Kulephera 1: Kulephera kwa rotor yozungulira ya anode
(1) Zodabwitsa
① Dera ndi lachilendo, koma liwiro lozungulira limatsika kwambiri; nthawi yozungulira yokhazikika ndi yochepa; anode sazungulira panthawi yowonekera;
② Panthawi yowonekera, chubu chamakono chimawonjezeka kwambiri, ndipo fusesi yamagetsi imawombedwa; mfundo ina pa anode chandamale chandamale imasungunuka.
(2) Kusanthula
Pambuyo pogwira ntchito kwa nthawi yayitali, kuvala ndi kusinthika ndi kusintha kwa chilolezo kudzayambitsidwa, ndipo mawonekedwe a maselo a mafuta olimba adzasintha.
Mlandu 2: Malo omwe chandamale cha anode pa chubu cha X-ray chawonongeka
(1) Zodabwitsa
① Kutulutsa kwa X-ray kunachepa kwambiri, ndipo kukhudzidwa kwa filimu ya X-ray kunali kosakwanira; ② Pamene chitsulo cha anode chinasungunuka kutentha kwakukulu, chitsulo chochepa kwambiri chikhoza kuwonedwa pa khoma la galasi;
③ Kudzera mu galasi lokulitsa, zitha kuwoneka kuti chandamalecho chili ndi ming'alu, ming'alu ndi kukokoloka, ndi zina zambiri.
④ Chitsulo cha tungsten chomwe chimaphwanyidwa chikasungunuka kwambiri chikhoza kuphulika ndikuwononga chubu cha X-ray.
(2) Kusanthula
① Kugwiritsa ntchito mochulukira. Pali zotheka ziwiri: imodzi ndi yakuti chitetezo chokwanira chimalephera kudzaza chiwonetsero chimodzi; chinacho chimakhala chowonekera kangapo, zomwe zimapangitsa kuti zichuluke mochulukira ndi kusungunuka ndi kutuluka;
② rotor ya chubu yozungulira ya anode X-ray imakakamira kapena chitetezo choyambira ndi cholakwika. Kuwonekera pamene anode sichizungulira kapena kuthamanga kwa kuzungulira kumakhala kotsika kwambiri, zomwe zimapangitsa kusungunuka nthawi yomweyo ndi kutuluka kwa nthunzi pamwamba pa chandamale cha anode;
③ Kutentha kosakwanira. Mwachitsanzo, kukhudzana pakati pa kutentha kwa kutentha ndi thupi la mkuwa la anode sikuyandikira mokwanira kapena pali mafuta ochulukirapo.
Cholakwika 3: X-ray chubu filament ndi yotseguka
(1) Zodabwitsa
① Palibe ma X-ray omwe amapangidwa panthawi yowonekera, ndipo mita ya milliamp ilibe chizindikiro;
② Ulusiwo suyatsidwa pawindo la chubu la X-ray;
③ kuyeza ulusi wa X-ray chubu, ndipo mtengo kukana ndi wopandamalire.
(2) Kusanthula
① Magetsi a X-ray chubu filament ndi okwera kwambiri, ndipo ulusiwo umawomberedwa;
② Mlingo wa vacuum wa chubu cha X-ray umawonongeka, ndipo kuchuluka kwa mpweya wolowa kumapangitsa kuti filament ikhale oxidize ndikuyaka mwachangu itatha kupatsidwa mphamvu.
Mlandu 4: Palibe cholakwika ndi X-ray pojambula
(1) Zodabwitsa
① Kujambula sikutulutsa ma X-ray.
(2) Kusanthula
①Ngati palibe X-ray yopangidwa pojambula, nthawi zambiri weruzani ngati voteji yayikulu imatha kutumizidwa ku chubu nthawi zonse, ndikulumikiza chubucho.
Ingoyezerani mphamvu yamagetsi. Tengani chitsanzo cha Beijing Wandong. Nthawi zambiri, chiŵerengero chamagetsi choyambirira ndi chachiwiri cha ma transfoma apamwamba kwambiri ndi 3:1000. Inde, tcherani khutu ku malo osungidwa ndi makina pasadakhale. Danga ili makamaka chifukwa cha kukana kwa mkati kwa magetsi, autotransformer, etc., ndi kutaya kumawonjezeka panthawi yowonekera, zomwe zimapangitsa kuti mphamvu yamagetsi iwonongeke, etc. Kutayika kumeneku kumagwirizana ndi kusankha kwa mA. Mphamvu yozindikira katundu iyeneranso kukhala yokwera. Choncho, ndi zachilendo pamene voteji yoyezedwa ndi ogwira ntchito yokonza iposa mtengo wapakati pa 3:1000. Mtengo wopitilira umagwirizana ndi kusankha kwa mA. Kukula kwa mA, kumakhalanso kokulirapo. Kuchokera pa izi, zikhoza kuweruzidwa ngati pali vuto ndi dera loyamba lamagetsi apamwamba.
Nthawi yotumiza: Aug-05-2022