Mune chero mota pane masisitimu uye magungano anoda kudzora kwegasi kana kudzvinyirirwa kwemvura - mavhiri, injini yemafuta system, hydraulic system nevamwe.Kuyera kudzvanywa mumasisitimu aya, michina yakakosha inogadzirwa - mageji ekumanikidza, marudzi uye mashandisirwo ayo anotsanangurwa muchinyorwa.
Chii chinonzi pressure gauge
Car pressure gauge (kubva muchiGiriki "manos" - loose, uye "metreo" - measuring) mudziyo wekuyera kudzvanywa kwemagasi uye zvinwiwa mumasisitimu akasiyana siyana uye zvikamu zvemotokari.
Kune yakajairika uye yakachengeteka kushanda kwemotokari, mabhazi, matarakita uye zvimwe zvishandiso, zvinodikanwa kudzora kudzvanywa kwegasi uye zvinwiwa mumasisitimu akasiyana-siyana - mweya mumatairi, mavhiri uye pneumatic system, mafuta muinjini uye hydraulic system, nezvimwe. .Kugadzirisa dambudziko iri, midziyo yakakosha inoshandiswa - mageji ekumanikidza.Zvinoenderana nekuverenga kweiyo pressure gauge, mutyairi anotonga kushanda kweaya masisitimu, anogadzirisa maitiro avo ekushanda kana kusarudza pakugadzirisa.
Kuyera kudzvanywa kwakaringana, zvinodikanwa kushandisa geji yekumanikidza ine hunhu hwakakodzera.Uye kuitira kuti usarudze chigadzirwa chakadaro, unofanirwa kunzwisisa maitiro avo aripo uye maitiro.
Mhando uye dhizaini yezviyero zvekumanikidza
Mhando mbiri dzezviridzwa zvekuyeresa zvinoshandiswa mumotokari:
● Mageji ekumanikidza;
● Mageji ekumanikidza.
Pressure gauges midziyo ine yakavakirwa-mukati sensing element inodyidzana nepakati ine pressure inoda kuyerwa.Mumotokari, pneumatic pressure gauges ndiyo inonyanya kushandiswa kuyera mhepo yemhepo mumavhiri emavhiri uye pneumatic system, pamwe nekuongorora kudzvanywa mumasilinda ejini.Mafuta ekumanikidza geji anoshandiswa zvishoma kazhinji, anogona kuwanikwa pamidziyo ine yakagadziridzwa hydraulic system.
Pressure gauges midziyo umo iyo sensing element inogadzirwa nenzira yeremote sensor.Kudzvinyirirwa kunoyerwa nesensor inoshandura mechanical quantity kuita yemagetsi.Chiratidzo chemagetsi chinowanikwa nenzira iyi chinotumirwa kune yekumanikidza gauge yeiyo pointer kana yedhijitari mhando.Mageji ekumanikidza anogona kunge ari oiri uye pneumatic.
Zvese zvishandiso zvakakamurwa kuita mapoka maviri zvichienderana nenzira yekuyera uye kuratidza ruzivo:
● Mechanical anongedza;
● Electronic digital.
Mechanical tire pressure gauge
Electronic tire pressure gauge
Marudzi ese ari maviri emageji ekumanikidza ane mudziyo wakafanana.Hwaro hwechigadziro chinhu chinonzwisa tsitsi chiri kusangana nepakati uye chinoona kudzvanywa kwayo.Transducer inodyidzana nechinhu chinonzwa - mudziyo unoshandura imwe mechanical quantity (medium pressure) kuita imwe mechanical quantity (museve deflection) kana muchiratidzo chemagetsi.Chishandiso chechiratidzo chakabatana neshanduro - museve une dial kana LCD kuratidza.Zvose izvi zvikamu zvinoiswa muimba, iyo iyo yakakodzera uye yekubatsira zvikamu (mabhatani kana mashizha ekuderedza kudzvinyirira, zvibato, zvindori zvesimbi nezvimwe) zviripo.
Mukutakura mota, marudzi maviri e deformation-mhando mechanical pressure gauges (spring) anoshandiswa - akavakirwa pane tubular (Bourdon chubhu) uye bhokisi-akaumbwa (mabhero) zvitubu.
Hwaro hwechigadzirwa cherudzi rwekutanga ichubhu yesimbi yakavharwa muchimiro chehafu mhete (arc), imwe mugumo wayo wakanyatsogadziriswa mune iyo kesi, uye yechipiri ndeyemahara, yakabatana kune inoshandura (kutumira. michina).Iyo transducer inogadzirwa nenzira yehurongwa hwema levers uye zvitubu zvakabatana nemuseve.Iyo chubhu inobatanidzwa kune yakakodzera iyo yakabatana kune sisitimu kuyera kumanikidza kuri mairi.Sezvo kudzvinyirira kunowedzera, iyo tube inotarisa kutwasanudza, iyo yakasununguka mupendero inokwira uye inokwevera mavheti emagetsi ekufambisa, iyo, iyo, inobvisa museve.Nzvimbo yemuseve inoenderana nehuwandu hwekumanikidza muhurongwa.Kana dzvinyiriro ichiderera, chubhu inodzokera panzvimbo yayo yepakutanga nekuda kwekusimba kwayo.
Hwaro hwechigadziro cherudzi rwechipiri ibhokisi resimbi rakasvibiswa (mabhero) e-cylindrical shape - chaizvoizvo, aya maviri emarara akakomberedzwa membrane akabatanidzwa nebhanhire rakatetepa.Pakati pechigadziko chimwe chebhokisi pane chigadziko chekutakura chinopera mukukodzera, uye pakati pechigadziko chechipiri chakabatanidzwa nelever yenzira yekufambisa.Sezvo kumanikidza kunowedzera, ma diaphragms anosiyana kubva kune mumwe nemumwe, kutama uku kunogadziriswa neiyo nzira yekufambisa uye inoratidzwa nekufambisa museve parutivi rwedhiya.Kana kudzvinyirirwa kunoderera, ma membrane, nekuda kwekusagadzikana kwavo, anoshandura zvakare uye anotora nzvimbo yavo yepakutanga.
Iyo mudziyo weiyo pressure gauge ine tubular spring
(Bourdon chubhu)
Iyo mudziyo weiyo pressure gauge ine chitubu chebhokisi
(chamber)
Mageji emagetsi ekumanikidza anogona kuve akashongedzerwa nechirimo-mhando yekunzwa zvinhu, asi nhasi akakosha compact pressure sensors anowanzo shandiswa anoshandura kudzvanywa kwegasi kana mvura kuita chiratidzo chemagetsi.Ichi chiratidzo chinoshandurwa nedunhu rakakosha uye rinoratidzwa pane chiratidzo chedhijitari.
Kushanda, maitiro uye kushandiswa kwezviyero zvekumanikidza
Mageji ekudzvanya akagadzirirwa midziyo yemotokari anogona kukamurwa kuva marudzi akati wandei zvichienderana nechinangwa chavo:
● Matai anotakurika uye akamira - ekuyera mhepo yemhepo mumatai;
● Inotakurika pneumatic kutarisa kudzvanywa mumasilinda ejini;
● Pneumatic stationary yekuyera kudzvanywa mumasisitimu epneumatic;
● Oiri yekuyera kutsika kweoiri muinjini.
Zvichienderana nekushanda kwemagetsi ekudzvinyirira, marudzi akasiyana-siyana ekugadzirisa uye kugadzirwa kweimba anoshandiswa.Midziyo inotakurika inowanzova nedzimba dzisingapindike uye dzisina tambo (dzakanamatira) mafittings, ayo, kuti aone kusimba, anofanirwa kudzvanywa zvine simba pavharuvha yevhiri, musoro weinjini, nezvimwewo. Mumidziyo yakamira, tambo dzakaiswa chine chisimbiso chekuwedzera dzinoshandiswa, mune zvakadaro. mageji ekumanikidza uye magaji ekumanikidza, marambi ekudzokera shure uye zvibatanidza zvekubatanidza kwavo zvinogonawo kuwanikwa.
Iwo maturusi anogona kunge aine akasiyana ekubatsira mabasa:
● Kuvapo kwechubhu yesimbi yekuwedzera kana hose inoshanduka;
● Kuvapo kwevhavha yekugadzirisa chiyero chekuyera (nekudaro, kunewo bhatani rekudzikisa kudzvinyirira uye zeroing chigadziro pamberi pechiyero chitsva);
● Kuvapo kwe deflators - mavharuvhu anogadziriswa ekudzora kuderedzwa kwekudzora nekudzora panguva imwe chete neyekumanikidza gauge;
● Zvimwe zvakasiyana-siyana zvekuwedzera zvezvigadzirwa zvemagetsi - backlight, inzwi rinoratidza uye nezvimwe.
Kana ari maitiro, maviri acho akakosha kune mota yekumanikidza geji - iyo yekupedzisira kudzvanywa (yakayerwa kuyerwa kumanikidzwa) uye yechokwadi kirasi.
Kudzvanya kunoyerwa mukirogiramu-masimba pa square centimita (kgf/cm²), mamiriro ekunze (1 atm = 1 kgf/cm²), mabara (1 bar = 1.0197 atm.) uye pound-forces per square inch (psi, 1 psi = 0.07 atm.).Padhiya reiyo geji yekumanikidza, chiyero chekuyera chinofanirwa kuratidzwa, pane imwe pointer pressure geji pane zviyero zviviri kana zvitatu kamwechete, zvakayerwa muzvikamu zvakasiyana zvekuyera.Mune magetsi emagetsi emagetsi, unogona kuwana basa rekushandura chikwata chechiyero chinoratidzwa pachiratidziro.
Pressure gauge ine deflator
Kirasi yechokwadi inosarudza chikanganiso chinounzwa neiyo pressure gauge panguva yekuyera.Kirasi yechokwadi yechigadzirwa inoenderana nehumwe hukuru kubva pachiyero che 0.4, 0.6, 1.0, 1.5, 2.5 uye 4.0, iyo diki nhamba, iyo yakakwirira yekururama.Nhamba idzi dzinoratidza kukanganisa kwakanyanya sechikamu chechiyero chekuyeresa chemudziyo.Semuyenzaniso, gauji yekumanikidza matai ine muganho wekuyera we6atmospheres uye kirasi yechokwadi ye0.5 inogona "kunyengera" chete 0.03 atmospheres, asi imwechete pressure geji yeaccuracy class 2.5 ichapa kukanganisa kwe0.15 atmospheres.Kirasi yechokwadi inowanzo ratidzwa pane dial yemudziyo, nhamba iyi inogona kutungamirwa nemavara KL kana CL.Kururamisa makirasi ekumanikidza gauges kunofanirwa kuenderana neGOST 2405-88.
Nzira yekusarudza uye kushandisa gauge yekumanikidza
Paunenge uchitenga gauge yekumanikidza, zvinodikanwa kufunga nezvemhando yayo uye maitiro ekushanda.Nzira iri nyore ndeyekusarudza gauge yekumanikidza yakavakirwa mudhibhodhi yemotokari - mune iyi kesi, iwe unofanirwa kushandisa mudziyo wemhando uye modhi inokurudzirwa neautomaker.Sarudzo yeakamira kumanikidza geji ye hydraulic uye pneumatic masisitimu zvakare iri nyore - iwe unofanirwa kushandisa mudziyo une yakakodzera mhando yekukodzera uye yekumanikidza kuyerwa renji.
Sarudzo yematairi ekumanikidza gauji yakafara zvakanyanya uye yakawandisa.Kune mota dzinotakura vanhu, mudziyo une muganho wekuyera unosvika 5 atmospheres wakakwana (sezvo zvakajairika tyre pressure iri 2-2.2 atm., uye mu "stowaways" - kusvika 4.2-4.3 atm.), kumarori, a mudziyo we7 kana kunyange 11 angangodiwa.Kana iwe kazhinji uchifanirwa kushandura kumanikidza kwetai, zviri nani kushandisa gauge yekumanikidza ine deflator.Uye kuyera kudzvanywa mumavhiri emarori, chishandiso chine chubhu yekuwedzera kana hose ichave mhinduro yakanaka.
Zviyero zvine gauge yekumanikidza kunofanirwa kuitwa maererano nemirairo yakanamirwa pairi.Pakuyera, zvakakosha kuve nechokwadi kuti chigadziro chakanyatsotsikirirwa pakatarisana nekaunda kana gomba, zvikasadaro kurongeka kwekuverenga kunogona kuderera nekuda kwekudonha kwemhepo.Kuiswa kwema-stationary pressure gauges kunobvumidzwa chete mushure mekunge kudzvanywa muhurongwa kwaburitswa.Nekusarudzwa kwakakodzera uye kushandiswa kweyekumanikidza gauge, mutyairi achagara aine ruzivo nezvemhepo neoiri kumanikidzwa, uye achakwanisa kutora panguva yakakodzera kugadzirisa matanho.
Nguva yekutumira: Jul-12-2023