1.Nhanganyaya kune Relay Contacts

1.1 Nhanganyaya kune yekutanga chimiro uye nheyo yekushanda yerelays

A relay chinhu chemagetsi chinochinjisa chinoshandisa misimboti yemagetsi kudzora dunhu uye chinowanzo shandiswa mumaseketi akaderera kudzora mashandiro emidziyo yemagetsi akakwira chitubu.Kana iyo coil ichisimbiswa, simba remagetsi rinogadzirwa kuti rikwezve armature, iyo inotyaira boka rekuonana kuti rishandure nyika uye kuvhara kana kutyora dunhu.Relays inokwanisa kuzvidzora pasina bhuku. kupindira uye inoshandiswa zvakanyanya mumhando dzakasiyana-siyana dzemagetsi emagetsi, kudzora masisitimu uye maseketi edziviriro kuti ave nechokwadi chekugadzikana uye kuchengeteka.

1.2tsanangura mhando dzevanobatika mune relay, uchisimbisa pfungwa dze "NC" (Kazhinji Yakavharwa) uye "NO" (Kazhinji Yakavhurika) mazita.

The kuonana mhando relays kazhinji categorized kupinda "NC" (Kazhinji Yakavharwa) uye "NO" (Kazhinji Open).Kazhinji akavharwa contacts (NC) zvinoreva kuti kana relay haana simba, mazita anovharwa ne default uye ikozvino anogona kupfuura. through; kana iyo relay coil yave nesimba, iyo NC contacts ichavhura.Mukupesana, anowanzo kuvhurika kuonana (NO) yakazaruka kana relay isina kusimba, uye iyo NO contact inovhara kana coil iine simba.Iyi yekubatanidza dhizaini inobvumira relay ku kudzora zviri nyore iyo yeku-off ikozvino munzvimbo dzakasiyana kuti isangane nekusiyana kwekutonga nekudzivirira zvinodiwa.

1.3Mashandiro eNC Contacts muRelays

Chinangwa chebepa rino chichange chiri pane chaiyo mashandisirwo ekuita kweNC contacts mumarelay, ayo anoita basa rakakosha mumaseketi erelay, kunyanya mumamiriro ezvinhu apo panofanirwa kuve nechokwadi chekuti masekete anoramba achiita kana kuchengetedza imwe nhanho yekushanda mukati. chiitiko chekukundikana kwesimba rekukurumidzira.Tichanyatsotarisisa kuti NC contacts inoshanda sei, maitiro avanoita mumashandisirwo epasirese, uye maitiro avanoita basa rekutonga, kudzivirira, uye otomatiki michina, inobvumira ikozvino. kuyerera kuti urambe wakachengeteka uye wakagadzikana munzvimbo dzakasiyana siyana.

2.Kunzwisisa NC (Kazhinji Yakavharwa) Mazita

2.1Tsanangudzo ye "NC" kuonana uye musimboti wekushanda

Izwi rekuti "NC" kuonana (Kazhinji Yakavharwa Contact) inoreva kubata iyo, mumamiriro ayo ekutanga, inoramba yakavharwa, ichibvumira ikozvino kuyerera kuburikidza nayo. simba, kubvumira ikozvino kuyerera ichienderera mberi kuburikidza nedunhu.Inowanzo shandiswa mumagadzirirwo ekutonga anoda kuyerera kwemazuva ano kuti achengetwe kana pakaitika kupera kwesimba, maNC contacts akagadzirirwa kubvumira ikozvino kuti irambe ichiyerera mukati. "default state" kana relay isina kupihwa simba, uye iyi yazvino kuyerera kumisikidzwa inoshandiswa zvakanyanya mumichina yakawanda otomatiki uye chikamu chakakosha cheiyo relay.

2.2NC maitirwo anovharwa kana pasina ikozvino iri kuyerera kuburikidza nerelay coil.

The NC contacts akasiyana nekuti anoramba akavharwa kana relay coil isina simba, nokudaro kuchengetedza nzira iripo.Sezvo mamiriro eiyo relay coil inodzora kuvhurwa nekuvhara kweNC contacts, izvi zvinoreva kuti chero bedzi coil iri. isina simba, ikozvino inoyerera kuburikidza neakavharwa contacts.Ichi chigadziro chakakosha mumamiriro ekushanda apo kushamwaridzana kwedunhu kunoda kuchengetedzwa mumamiriro asina simba, zvakadai semidziyo yekuchengetedza uye simba rekuchengetedza. masystem.NC contacts akagadzirwa nenzira iyi anobvumira ikozvino kuti igadzikane kana hurongwa hwekutonga husina simba, kuve nechokwadi chekushanda kwakachengeteka kwemichina mumatunhu ose.

2.3Musiyano pakati peNC kuonana uye NO kuonana

Musiyano uripo pakati peNC contacts (kazhinji yakavharwa contacts) uye NO mazita (kazhinji akavhura contacts) ndiyo yavo "default mamiriro"; NC contacts dzakavharwa nekusagadzikana, zvichibvumira ikozvino kuyerera, nepo NO mazita akavharwa nekusagadzikana, kungovhara chete kana relay coil iri energized.Musiyano uyu unovapa maitiro akasiyana-siyana mumagetsi emagetsi. iyo NC yekubata inoshandiswa kuchengetedza ikozvino kuyerera kana mudziyo uchinge wapera simba, nepo NO kubatwa kunoshandiswa kukonzeresa ikozvino chete pasi pemamiriro ezvinhu chaiwo.Inoshandiswa pamwe chete, idzi mbiri dzemhando dzekubatanidza dzinopa relays flexible circuit control, ichipa zvakasiyana-siyana. yezvisarudzo zvekudzora michina yakaoma.

3.Basa reNC Kubata muKushanda kweRelay

3.1Basa rakakosha mukushanda kwerelays

Mune relays, iyo NC (Kazhinji Yakavharwa) kusangana inobata basa rakakosha, kunyanya mukutonga kwekuyerera kwezvino.Iyo NC yekusangana kweiyo relay inokwanisa kuramba yakavharwa kana simba radzimwa, kuve nechokwadi kuti ikozvino inoramba ichiyerera mune default. mamiriro edunhu.Iyi dhizaini inodzivirira midziyo kubva mukukanganisa kushanda muchiitiko chekutadza kwesimba kamwe kamwe.Kugadzirwa kweNC contacts mune relays chikamu chakakosha chekuchinja kudzora. Kazhinji kuvharwa kunobatsira kuyerera kwemazuva ano kuitira kuti hurongwa hwemagetsi huchengetedze hukama kana husina kushandiswa, hunovimbisa kugadzikana uye kuvimbika kwegadziriro.

3.2Nzira yekupa nzira inoenderera mberi mukutonga kwedunhu

NC contacts anoshandiswa mukutumira kuti ape nzira inoenderera mberi kuburikidza nedunhu, iyo inzira inokosha ye automate control.Kuburikidza nekuita kweiyo relay coil, ma NC contacts anoramba akavharwa mumamiriro asina kushanda, achibvumira ikozvino kufamba zvakasununguka.Relay. anowanzo kuvharwa maswichi anovimbisa kuenderera kwekutonga kwedunhu uye anonyanya kuwanda mumichina yeindasitiri uye otomatiki maapplication epamba.Kuyerera kunoramba kuripo kwemakwara azvino kunovimbisa kusakanganiswa kushanda kwemidziyo kana zvichidikanwa uye i irreplaceable basa relays mukutonga kwedunhu.

3.3Zvikumbiro mukuchengetedzeka uye maseketi ekukurumidzira nekuti ivo vanochengetedza maseketi muchiitiko chekutadza kwemagetsi

NC contacts dzakakosha mukuchengetedzeka uye maseketi ekukurumidzira nekuda kwekugona kwavo kuramba yakavharwa uye kuchengetedza kuyerera kwazvino kana simba ratadza.Mune emergency stop masisitimu kana maseketi ekuchengetedza, NC kutaurirana kwakagadzirirwa kubvumira michina yakakosha kuti itsigirwe kunyangwe magetsi anovhiringwa, kudzivirira njodzi dzinogona kuitika.Iyo NC contacts of relays inobatsira kuchengetedza masisitimu edunhu rekubatanidza panguva yekukurumidzira uye chikamu chakakosha chekuona kuenderera kwekushanda kweindasitiri nekuchengetedza michina.

4.Iyo NC Kubata Inoshanda sei neiyo Relay Coil

4.1Mamiriro ekushanda eNC anobatika kana relay coil yakasimbiswa uye yakadzimwa simba

Iyo NC yekubata (Kazhinji Yakavharwa Kubata) yerelay inoramba yakavharwa kana coil ichibviswa simba.Izvi zvinoreva kuti ikozvino inogona kuyerera kuburikidza neyakavharwa yekubata, ichisiya dunhu rakabatana.Kana iyo coil yerelay yakasimbiswa, iyo NC yekusangana inochinja. kune nzvimbo yakazaruka, nokudaro kukanganisa kuyerera kwezvino.Kuchinja kwekushanda kwenyika ndiyo nzira inokosha mumagetsi ekudzora relay.Kusangana kweNC kunoramba kwakavharwa munharaunda yekuzorora, saka inoshandiswa zvakanyanya mukugadzirwa kwedunhu. zvikumbiro zvinoda kuyerera kwezvino kuti zvichengetwe nekusagadzika, senge mamwe masisitimu ekuchengetedza, kuve nechokwadi chekuti masekete anoramba akabatana muchiitiko chekutadza kwemagetsi.

4.2 Kana iyo relay coil yakasimbiswa, iyo NC yekusangana inoputsika sei, nekudaro ichicheka dunhu

Kana iyo relay coil yakasimbiswa, iyo NC yekusangana inokurumidza kuchinjika kune yakavhurika nyika, ichidzivirira ikozvino kuyerera.Kana yasimbiswa, iyo relay's magnetic field inoshandisa contact switching, zvichiita kuti NC contact ivhure.Kuchinja uku kunobvisa pakarepo kuyerera kwezvino, kubvumira kuti dunhu rirege kubviswa.Kushandura kweNC contacts kunobvumira kuti dunhu rinyatsogadziriswa mune mamwe maitiro ekudzivirira michina.Mumasekiti akaoma, iyi shanduko yeNC. kubata otomatiki kutonga uye kunovimbisa kuti dunhu rinokurumidza kugurwa kana richida kuputswa, nekudaro kuwedzera kuvimbika uye kuchengetedzwa kwedunhu.

4.3 Hukama uye kudyidzana pakati peNC kutaurirana uye relay coil kushanda

Pane kudyidzana kwepedyo pakati peNC contacts uye relay coil.Iyo relay inodzora shanduko yehurumende yeNC contact nekudzora coil current pairi nekudzima.Kana iyo coil ichinge yasimbiswa, NC contacts inochinja kubva payakavharwa kuenda kune yakashama. state; uye kana iyo coil iine de-energized, vanobatana vanodzokera kumamiriro avo akavharwa akavharwa.Kubatana uku kunobvumira relay kuti iite shanduko yezvino pasina kutonga zvakananga simba guru remagetsi, nokudaro kudzivirira mamwe madivayiri munharaunda.Nenzira iyi, iyo hukama pakati peNC kutaurirana uye coils inopa inochinjika yekudzora mashandisirwo ekushanda kwemagetsi ekudzora masisitimu, ayo anoshandiswa zvakanyanya mumhando dzakasiyana dzeindasitiri nemotokari.

5.Zvishandiso zveNC Contacts muMasekete Akasiyana

5.1Kushanda kwekushandisa kweNC kutaurirana mumhando dzakasiyana dzemaseketi

NC (Kazhinji Yakavharwa) contacts inoita basa rinokosha mukugadzirisa dhizaini.Kazhinji mukudzoreredza kana kuchinjisa maseketi, NC contacts inobatwa mu "yakavharwa chinzvimbo" kuitira kuti ikozvino inogona kuyerera kana isina simba, uye mune mamwe ekutanga edunhu magadzirirwo, NC contacts anovimbisa. kuti mudziyo unoramba uchishanda kana usingagamuchire chiratidzo chekudzora.Mune mamwe masisitimu edunhu, iyo NC yekusangana inova nechokwadi chekuti mudziyo unoramba uchishanda kana pasina chiratidzo chekudzora chinogamuchirwa. kubatanidzwa kweNC kubatanidzwa mumagetsi emagetsi kunovimbisa kuyerera kwemazuva ano kwekuchengetedzwa kwemagetsi ekutanga, uye NC yekubatanidza inocheka ikozvino kana dunhu rabviswa, kudzivirira kuwandisa kwedunhu, semuenzaniso, uye kuwedzera kuchengetedzwa kwehurongwa.

5.2NC vanobata mukutonga, alarm masisitimu, otomatiki michina

Mukutonga masisitimu, maaramu masisitimu uye otomatiki michina, NC yekusangana inopa yakavimbika yekudzivirira yedunhu.Kazhinji, NC contacts activate alarm system nekuramba yakavharwa kana paine kutadza kwemagetsi kana control signal interruption.Relays dzakabatana kudunhu kuburikidza neNC contacts. uye kana sisitimu yaitwa kana simba rikarasika, NC contacts inoshandura ichienda kune "yakavhurika" nyika (yakavhurika mazita), ichimisa alarm.Equipment yakagadzirirwa kushandisa NC contacts kudzivirira. Akakosha otomatiki michina mukushaikwa kwesimba, otomatiki kudzora maitiro, uye chengetedza kuvharika kwemidziyo muchiitiko chenjodzi.

5.3Kukosha kweNC yekusangana mukumira kwekukurumidzira uye simba rekutadza kuchengetedza masisitimu

Muchimbichimbi kuvhara uye simba rekudzivirira simba rekudzivirira masisitimu, kukosha kweNC contacts hakugoni kufuratirwa.Muchiitiko chekukundikana kwesimba remagetsi kana kukurumidza, mamiriro asina kukwana eNC contact yakavharwa, kuchengetedza dunhu rakavharwa kuitira kuti rigone kupindura nokukurumidza mukati. chiitiko chekukanganiswa kwechiratidzo chekutonga.Kugadziriswa uku kunonyanya kukosha muzvigadzirwa zvemabhizimisi uye zvirongwa zvekuchengetedza nokuti zvinopa kudzivirira kubva pakukundikana kwesimba mumamiriro ezvinhu asingatarisirwi. NC contacts yakavharwa, kuve nechokwadi kuti midziyo inomira kushanda zvakachengeteka.Iyi dhizaini inoshandiswa zvakanyanya munzvimbo dzine njodzi yebasa uye chiyero chakakosha chekuchengetedza kuchengetedzwa kwevashandi nemidziyo.

6.Zvakanakira uye Zvinogumira zveNC Contacts

6.1Zvakanakira zveNC kutaurirana mune relay application, semuenzaniso kuvimbika kana kutadza simba.

NC Contacts (Normally Closed Contacts) mumarelay anovimbika zvakanyanya, kunyanya kana magetsi apera.Iyo NC Contacts mune relays inokwanisa kuramba iri Munzvimbo Yakavharwa kana pasina kuyerera kwazvino, kuve nechokwadi chekuti masekete anogona kuramba aripo. powered, iyo inonyanya kukosha musimba uye hurongwa hwekutonga. Kana iyo relay coil (Relay Coil) yapera simba, ikozvino inogona kuramba ichiyerera kuburikidza neNC kuonana, ichibvumira midziyo yakakosha kuti irambe iripo. kushanda muchiitiko chekurasikirwa kwesimba kamwe kamwe.Kuwedzera, NC contacts inochengetedza kufamba kwakadzikama kwemagetsi Inoyerera kana yakavharwa Contacts, kudzivirira kuvharwa kusina kurongwa.Ichi chinhu chakakosha mumashandisirwo anoda kuchengeteka uye kugadzikana, zvakadai semagetsi uye chiedza chekukurumidzira. zvirongwa.

6.2 Kuganhurirwa kweiyo NC kuonana, semuenzaniso zvirambidzo pahuwandu hwemashandisirwo uye zvinogona kuitika kutadza kuonana

Kunyange zvazvo NC contacts inoshandiswa mumhando dzakasiyana-siyana dzekushanda mukutonga kwedunhu, vane zvimwe zvinogumira muhukuru hwekushandisa.Sezvo NC contacts inogona kutambura nekushaya kuonana panguva yekubatana, kunyanya mu-high-voltage kana nguva dzose kuchinja nharaunda, kubata kukundikana. inogona kuguma nekusagadzikana kwemazuva ano kuyerera, nokudaro kukanganisa kushanda kwemaitiro ehurongwa.Mukuwedzera, NC contacts (Kazhinji Yakavharwa Contacts) inogona kushandiswa chete mukati meimwe voltage uye ikozvino mutoro wekutakura, kunze kweiyo. iyo relay inogona kukuvadzwa kana kukundikana.Kune zvikumbiro zvinoda kuchinja nguva dzose, NC contacts inogona kunge isingagari kwenguva refu uye yakavimbika semamwe marudzi evanoshamwaridzana, saka mamiriro chaiwo uye zvisingakwanisi zvinokwanisika zvinofanira kufungwa pakusarudza relay.

6.3Environmental zvinhu uye mashandiro ekuita zvinofanirwa kutariswa kune veNC maitirwo mumashandisirwo akasiyana

Paunenge uchinyorera maNC contacts, zvakakosha kufunga nezvekukanganisa kweEnvironment Factors pakuita kwavo.Semuenzaniso, munzvimbo dzine hunyoro, dzine guruva kana dzinoparadza, NC contacts (Kazhinji Yakavharwa NC) inowanzoita oxidation kana kuti kutadza kuonana nenyaya, izvo zvinogona kuderedza. kuvimbika kwavo.Kusiyana kwekushisa kunogona kukanganisawo basa reNC contacts, uye kupisa kwakanyanya kunogona kukonzera kuti vanobatana vakanamatira kana kukundikana.Naizvozvo, mukushandiswa kwakasiyana. Mamiriro ezvinhu, kusarudzwa kwemarelays kunoda kugadziridzwa kune iyo NC yekusangana inoshanda nharaunda, kusanganisira kesi zvinhu, mazinga ekudzivirira, nezvimwe. Pamusoro pezvo, ma NC maitirwo anofanirwa kuzadzisa zvinodiwa zvekushandisa kwemidziyo yekushandisa, senge yazvino kutakura uye kusimba kwemagetsi. , kuve nechokwadi chekushanda kwakavimbika kwenguva refu.

7.Mhedziso uye Pfupiso

7.1Basa repakati uye kukosha kweNC kutaurirana mukuita relay

NC (kazhinji yakavharwa) macontacts anoita basa rakakosha mune relays.Apo relay iri munzvimbo isingashande, iyo NC yekusangana iri munzvimbo yakavharwa, ichibvumira ikozvino kupfuura nepakati uye kuchengetedza yakajairika kushanda kwechigadzirwa.Iyo yepakati basa ndiko kubatsira relay kushandura dunhu pasi pemamiriro akasiyana-siyana nekudzora kushanduka kwezvino.Kazhinji, iyo NC yekusangana inoshandiswa kuchengetedza kugadzikana kwedunhu kana chiitiko chekutadza kwerelay.The relay's NO uye NC. maconta anogonesa kunyatso kudzora kwemidziyo uye maseketi kuburikidza nekuchinja nguva dzose, zvichibvumira relay kuita basa rakakosha mumhando dzakasiyana dzekushandisa.

7.2NC Contacts muKuchengetedza, Emergency Control uye Inoenderera Yazvino Kubata

NC contacts inowanzoshandiswa mukuchengetedza uye hurongwa hwekutonga kwekukurumidzira, zvakadai semagetsi emoto uye midziyo yekudzivirira magetsi.Muzvirongwa izvi, NC contacts inokwanisa kuchengetedza ikozvino yakazaruka kana yakavharwa kana chiitiko chedunhu chikanganiso kana chimbichimbi, kudzivirira midziyo kubva. Kukuvara.Nekuda kwenzvimbo yavo yakavharwa yakavharwa, ma NC contacts anoshandiswawo zvakanyanya mumidziyo ine inoenderera ichibatirira kuti ive nechokwadi chekuti masekete anogara ari munzvimbo yakachengeteka kana pasina chiratidzo chekuisa.Muzvikumbiro izvi, NC contacts inopa yakakosha. basa rekudzivirira remidziyo yemagetsi pakukuvadzwa netsaona.

7.3 Manzwisisiro ekudzoreredza uye misimboti yavo yekusangana inogona kubatsira kuvandudza dhizaini dhizaini uye kugadzirisa dambudziko

Kunzwisisa kwakadzama kwerelays uye maitiro avo ekusangana, kunyanya maitiro eNO uye NC contacts, anobatsira mainjiniya kugadzirisa dhizaini yedunhu kuti ive nechokwadi chekuvimbika uye kugona kwemagetsi masisitimu.Kuziva kwekuti relay contacts chinja sei nekudzima uye kuchengetedza nyika yavo pasi. akasiyana voltage uye mutoro mamiriro anogona kubatsira vagadziri kusarudza akanyanya kufanira mhando yekubata, nekudaro kuderedza njodzi yekutadza.Pamusoro pezvo, kunzwisisa iyo inoshanda musimboti wevanotumirana vanogona kubatsirawo matekiniki nekukurumidza kutsvaga dunhu. zvikanganiso, dzivisa basa risingakoshi rekugadzirisa, uye kuvandudza kugadzikana uye kuchengeteka kwekushanda kwehurongwa.