Spring Cage vs Screw Terminal Blocks — Kuramba Kudedera Mukushandiswa Kwezvitima

Kana Skuruu Yakasununguka Yadhura Mushandi weNjanji €340,000 muKugadzirisa

Ndakanga ndichibvunza mumwe mushandi wechitima chemunharaunda muCentral Europe pavakasangana nekutadza kwekuchinja kwesimba remagetsi paDMU yavo yemunharaunda. Kuongorora chikonzero chedambudziko kwakatora mavhiki matatu uye kwaisanganisira kubvisa mamodule matanhatu ekushandura. Zvakawanikwa izvi zvainyadzisa uye zvaifungidzirwa zvachose: mabhuroko emagetsi emagetsi aibatanidza DC busbars akanga asununguka zvishoma nezvishoma nekuda kwekudengenyeka kwairamba kuchiita michina yepasi pevhu. Nekuti chitima chaifamba munzira dzisina kurongeka zvakanyanya, frequency yekuzununguka kwacho yakadzikira pakati pe20–40 Hz apo simba rekusunga screw terminal rinoderera nekukurumidza - uye mukati memwedzi gumi nemisere yekushanda, simba rekusunga terminals dzakawanda radzikira neanopfuura 60%..

Kukundikana kwacho kwaive nedzidziso: nzvimbo yakasununguka → kuwedzera kwekudzivirira kubata → kupisa kwakajairika → kupisa kwakadzika pamusoro penzvimbo → kudziya kwekupisa panzvimbo inobatwa → kupwanyika kwesimbi yesirivha → kupwanyika kwesimbi → kuparadzwa kwemodule yekushandura. Kukuvadzwa kwese: €340,000 mumamodule ekutsiva uye mavhiki matanhatu ekukanganiswa kwebasa. Kugadzirisa kwekudzivirira - kutsiva mablock ese e340 screw terminal pa converter ne equivalents espring cage - kwakadhura €17,000 payuniti. Mukuru wekuchengetedza wemushandi akandiudza mushure mezvo kuti vaifanira kunge vataura mablock espring cage kubva pakutenga kwekutanga, uye aive akarurama.

Chiitiko ichi hachisi chega. Muindasitiri yechitima yepasi rose, gakava riripo pakati pema "spring cage" nema "screw terminal blocks" ekushandiswa kunonzwa kudedera rakagadziriswa zvakanaka richitsigira "spring cage" yekuvaka zvese zvitsva zve "rolling stock". Masangano eIEC neEN standards acherechedza, uye kuvandudzwa kuri kuitwa kweEN 50155 kunoratidza kubvumirana kuri kukura kwekuti tekinoroji ye "spring cage" ndiyo sarudzo yekutanga yekubatanidza magetsi e "rolling stock". Asi kunzwisisa hwaro hwehunyanzvi hwekubvumirana uku - uye kuziva maitiro ekuona kuti ma "spring cage terminal" emutengesi anosangana nezvinodiwa zvechokwadi - zvakakosha kune chero mainjiniya wekutenga kana maneja wekugadzirisa anoshanda ne "railroad electrical systems".

Kugadzira EN 50155:2021 — Zvinodiwa Nemutemo Chaizvo

Muyero weEuropean Railway Agency weEN 50155:2021 ("Railway Applications — Rolling Stock — Electronic Equipment") ndiwo mutemo unotungamira wemidziyo yese yemagetsi yakaiswa pamotokari dzezvitima muEU uye mumisika yakawanda inotumira kunze kwenyika inoenderana nemiyero yechitima cheEurope. Kunzwisisa mwero uyu kunokosha kuti utsanangure chero terminal block yekushandisa njanji.

Chikamu 9.3: Kuyedzwa kweKudedera uye Kuvhunduka

EN 50155:2021 Chikamu 9.3 chinotsanangura zvinodiwa zvekuongorora vibration izvo zvishandiso zvese zvemagetsi - kusanganisira ma terminal blocks - zvinofanirwa kupasa kuti zvibvumidzwe kuiswa kwemidziyo inotenderera. Iyo standard inotaura nezve IEC 60068-2-6 ("Kuedza Kwezvakatipoteredza - Chikamu 2-6: Kuedza - Test Fc: Vibration (Sinusoidal)") senzira huru yekuyedza, asi inowedzera zvinodiwa zvakanangana nechitima zvinonyanya kuomera kupfuura zviyero zvemaindasitiri.

Maparamita ekuyedza anorongwa zvichienderana nenzvimbo yekuisa mota, neChikamu 1 chinomiririra nharaunda yakaoma zvikuru (midziyo yakaiswa zvakananga pamuviri wemotokari, yakavhenekerwa kune vibration spectrum yakazara kubva ku bogie nekubatana kwenzira) uye Chikamu 3 chinomiririra nharaunda isina njodzi zvakanyanya (midziyo yakaiswa pama subframes akaparadzaniswa ne vibration).

Chikamu	Nzvimbo yekuisa	Rudzi rweMafambiro	Kutamiswa	Kukurumidzisa	Nguva
Chikamu 1	Yakaiswa mumuviri (pasi pevhu, suspension)	5–150 Hz	0.5 mm pp	10 m/s² (≈1g)	Kutsvaira gumi/axis
Chikamu 2	Yakaiswa mufuremu (chassis, makabati)	5–150 Hz	0.35 mm pp	7 m/s² (≈0.7g)	Kutsvaira gumi/axis
Chikamu 3	Zvigadziko zvakaparadzaniswa nekudedera	5–150 Hz	0.15 mm pp	3 m/s² (≈0.3g)	Kutsvaira gumi/axis

Nekuti EN 50155 inoda kuyedzwa mumatanho matatu akamira (yakatwasuka, yakatetepa, uye yakatetepa), bvunzo yakakwana yekudedera yeblock yeterminal inoreva ma sweep cycles makumi matatu. Axis yega yega inoedzwa yega, uye block yeterminal haifanirwe kuratidza kukuvara kwemuviri, shanduko yekudzivirira kubata inodarika muganho wakatarwa, kana kuora kwebasa chero nguva panguva yekuyedzwa kana mushure menguva yekuyedzwa.

Zvinodiwa paKuyera Kuramba Kusangana Nevamwe

Chimwe chezvinhu zvakakosha pakuyedzwa kwe EN 50155 vibration — uye chimwe chinoregeredzwa nezvinodiwa nevakawanda pakutenga — chinodiwa pakutarisa contact resistance panguva uye mushure me vibration test. Sekureva kweIEC 60068-2-6, contact resistance inofanira kuyerwa pamatanho mana: pamberi pebvunzo, pakati pebvunzo, pakupera kwebvunzo, uye maminetsi makumi matatu mushure mebvunzo (kuti pave nekugadzikana kwekupisa).

Chinodiwa pakuramba kubatwa nemagetsi chinoenderana nerudzi rwe terminal block uye mashandisirwo aro, asi mukushandiswa kwechitima, kubvumirana kweindasitiri ndekwekuti kuwedzera kwekuramba kubatwa nemagetsi mushure mekuzununguka neanopfuura 20% kubva pakutanga kwekuyedzwa kunoreva kukundikana. Nekuti materminal ekeji yechitubu anochengetedza kumanikidzwa kwekubatana kuburikidza nesimba rechitubu pane kukweshana pakati pesikuruu nekondakita, anodzivirira zvakanyanya ngura inokonzera kuora kwekudzivirira kubatana mumaterminal esikuruu ari kudedera..

Zvimwe Zvinodiwa Pakuchengetedzwa Kwezvakatipoteredza muEN 50155

Kunze kwekuzununguka, EN 50155:2021 inoda kuti ma terminal blocks apfuure seti yakazara yemiedzo yezvakatipoteredza inobatanidza zvinodiwa zvekuzununguka nenzira dzakakosha. Muedzo wehunyoro (IEC 60068-2-78, 93% RH pa40°C kwemazuva mana) wakakosha zvikuru nekuti kupinda kwehunyoro kunogona kukurumidzisa ngura muma screw terminals. Miedzo ye thermal cycling (kazhinji -25°C kusvika +70°C, ma cycles mashanu) inogona kuratidza matambudziko akasiyana ekuwedzera mu terminal housing uye contact mechanism.

Pamabhuroko emagetsi akagadzirirwa midziyo yekunze pamotokari dzechitima (magirazi epamberi, magonhi ekudzora, masensa emabhureki), bvunzo yemunyu (IEC 60068-2-52, mwero wechipiri wekuoma) inosungirwawo uye inogona kuratidza matambudziko ekuora muchirimo asingaonekwe mukuyedzwa kwekutenderera kwemurabhoritari chete.

Fizikisi yeMichina yekuti Nei Zvigadziko zveScrew Zvichikundikana Kudengenyeka

Kuti tinzwisise kuti sei mabhuroko enzvimbo dzekuchengetedza emuchitubu ave sarudzo yekutanga yekushandiswa kwezvitima, tinofanira kuongorora musiyano mukuru wemakanika pakati pematekinoroji maviri ekubatanidza. Kukundikana kwema terminals e screw pasi pekuzununguka hakusi nyore - inzira inofungidzirwa, inogona kudzokororwa uye yakanyatsotsanangurwa mumabhuku uye yakasimbiswa neruzivo rwemumunda.

Nzira yeFretting Corrosion

Kana terminal ye screw yakasimbiswa, inogadzira simba rekubatanidza pakati pe screw head (kana pressure plate) ne conductor. Simba iri rinochengetwa nekukweshana panzvimbo dzinosangana. Pasi pe vibration, kufamba-famba kwema micrometer 1–10 kunoitika panzvimbo idzi, kunyangwe kana simba rekubatanidza macroscopic rikaita serisina kuchinja. Nekuti nzvimbo dzinosangana nechinhu dzine kumanikidzwa kwakanyanya, kufamba uku kudiki kunokonzera kupwanyika — maitiro ekupfeka anobvisa zvinhu kubva panzvimbo dzese mbiri uye anoburitsa zvinhu zvinodzivirira oxide panzvimbo yacho..

Sezvo kuputika kuri kuramba kuchienderera mberi, nzvimbo chaiyo yekubata inoderera, izvo zvinowedzera huwandu hwemagetsi panzvimbo dzasara dzekubata. Kupisa uku kunokurumidza kuita kuti oxidation iwedzere, zvichigadzira positive feedback loop inotungamira mukuwedzera kwekusagona kubata. Munzvimbo yeindasitiri inochengetwa zvakanaka ine nguva dzekuongorora nguva dzose, nyanzvi yemagetsi inogona kuona kuwedzera kwekusagona kubata panguva yekuongorora nguva nenguva kwekupisa uye kugadzirisa terminals isati yakundikana zvakanyanya. Mukushandisa njanji ine zviuru zveterminals mungarava, rudzi urwu rwekutarisa kwemunhu mumwe nemumwe hazvigoneke.

Imwe nzira yekuisa keji yeSpring

Zvivharo zvematerminal ekeji yechitubu zvinotsiva mashandiro ekubatanidza sikuruu nekubatana ne spring-loaded. Kana conductor ikaiswa mu spring cage terminal, spring force inochengetedza simba rakajairika pa conductor, zvichiita kuti pave ne gas-tight contact interface. Musiyano mukuru kubva kuma screw terminals ndewekuti spring mechanism inoramba ichichinja-chinja ku thermal cycling uye micro-movement nekushandisa simba rekudzorera rinoenderana nekutama - kwete simba re friction rakagadzika.

Kana nzvimbo yekeji yechitubu ichidedera, chitubu chinotora kufamba kwacho panzvimbo yekubata, zvichichengetedza kumanikidzwa kwacho nguva dzose panguva yekudedera. Chinhu chechitubu (chinowanzo simbi isina ngura yakaoma kana nickel-titanium alloy yekushandisa pakupisa kwakanyanya) chinosarudzwa kuti chisanyanya kuneta, uye chimiro chechitubu chakagadzirwa kuti chive nechokwadi chekuti simba rekubata rinoramba riri mukati mezvinodiwa kweanenge 100,000 vibration cycles - kupfuura zvinodiwa ne EN 50155 test sequence.

"Chakanakira tekinoroji yekeji yechitubu mukushandiswa kwechitima hachisi chiyero chimwe chete chekushanda - ndiko kubviswa kwemodhi yekukundikana. Kana terminal yescrew ikakundikana, inokundikana zvishoma nezvishoma uye zvisingatarisirwi. Kana terminal yekeji yechitubu ikakundikana, inowanzokundikana pakarepo uye zvinoonekwa. Maitiro ekukundikana anofambira mberi mukushandiswa kwechitima kwakakosha zvakanyanya ane njodzi kupfuura asingatarisirwi."

Kufamba Nemhepo Kunopisa: Mubatsiri Akanyarara weKukuvadzwa kweKudengenyeka

Mukushandiswa kwechitima, kudedera hakuwanzoitiki kwega. Nzvimbo inopisa pachitima ine simba guru: tembiricha yemhepo inotangira pa -40°C munguva yechando kusvika pa +70°C muzuva rakananga pamidziyo yakaiswa padenga, uye kupisa kwemhepo munzvimbo imwe chete yemidziyo kunogona kudarika 30°C. Izvi zvinoreva kuti chiteshi chega chega chechitima chinotenderedzwa nekupisa panguva imwe chete uye kudedera kwemagetsi - mamiriro ekushushikana anobatanidza anokurumidza ngura uye kuneta kwechirimo.

Kudyidzana pakati pekupisa nekudengenyeka kwakanyanya kune ma screw terminals. Kana terminal block ichipisa kubva pakuyerera kwemagetsi uye yozotonhorera mumhepo yehusiku, kuwedzera kwekupisa kwakasiyana pakati pe brass terminal body (coefficient of thermal expansion: 19 × 10⁻⁶/°C) uye steel screw (11–13 × 10⁻⁶/°C) kunoita kuti pave nekufamba kudiki pa clamping interface. Nekuti mhedzisiro iyi yekufamba nemhepo inopisa inounganidzwa uye haigone kudzokororwa, chiteshi chezvikunguru chave chichishanda kwemakore mashanu muchitima chinotenderera nemhepo inopisa chichava nesimba rekubata rakaderera zvakanyanya kana tichienzanisa nechiteshi chimwe chete panguva yekuiswa - zvisinei nekuti chakadzokororwazve here kana kuti kwete..

Zviteshi zvekeji yechitubu hazvidzivirirwe pakupisa, asi mashandiro echitubu akagadzirirwa kutakura kuwedzera kwekupisa pasina kutamisa kushushikana kune chinongedzo chekubatana. Chitubu chinowanzo paradzaniswa nemuviri wechikamu chikuru chekupedzisira nechinhu chinodzivirira kupisa checeramic kana polymer, izvo zvinoderedza kubatana kwekupisa uye zvinobvumira chitubu kuchengetedza simba rayo rakagadzirwa mukati me -40°C kusvika +120°C.

Maitiro Ekuongorora Chitupa Chechitima cheMupi weTerminal Block

Mushure mekuongorora mazana emadata e terminal block uye mishumo yekuedza yevatengi vezvitima, ndakagadzira nzira yakarongeka yekuongorora vatengesi iyo yandinokurudzira kune mainjiniya ese ekutenga. Chikanganiso chandinowanzoona ndechekugamuchira kuzvizivisa kwemutengesi kwekutevedzera mitemo sehumbowo hwekutevedzera mitemo. Muchikamu chechokwadi chekutengesa njanji, kusimbiswa kwebato rechitatu hakusi kwesarudzo.

Danho 1: Simbisa Kubvumidzwa kweLabhoritari Yebvunzo

Mushumo wekuyedza unofanirwa kupihwa nerabhoritari ine mvumo yeISO/IEC 17025 yechiyero chebvunzo chakatsanangurwa. Marabhoritari makuru ane mvumo yekuyedza njanji anosanganisira SGS (Geneva), Bureau Veritas (Paris), TÜV Rheinland (Cologne), uye Ricardo Rail (UK). Mushumo wekuyedza wemutengesi hausi humbowo hunogamuchirwa hwekutevedzera EN 50155 — zvinogona kuratidza kuti mutengesi akaedza chigadzirwa, asi hazvigone kuratidza kuti kuyedza kwakaitwa kune chiyero chinodiwa kana kuti kwakadudzirwa nemazvo.

Danho rechipiri: Tarisa Kuzivikanwa kweMuedzo weSpecimen

Mushumo wekuyedza unofanirwa kusanganisira kuzivikanwa kwakajeka kwemuenzaniso wekuyedza — nhamba chaiyo yechikamu, nhamba yebatch, uye kodhi yezuva rekugadzira yebhokisi rekupedzisira rakaedzwa. Mushumo wekuyedza unoratidza "sampuli dzinomiririra" dzisina kuzivikanwa kwakananga hauna kukwana. Muenzaniso unofanirwa kunge wakabva mumaitiro akafanana ekugadzira nezvinhu zvakafanana nechigadzirwa chiri kutengwa. Kana mutengesi asingakwanise kupa mushumo wekuyedza wenhamba chaiyo yechikamu chiri kutaurwa, ichi chiratidzo chinoratidza kuti zvinoda kuferefetwa kwakawanda.

Danho rechitatu: Simbisa MaParameters eKuedza Akashandiswa

Ongorora tafura yemaparamita ebvunzo yemushumo webvunzo nokungwarira. Kuti utevedzere EN 50155, maparamita anotevera anofanira kutsanangurwa: huwandu hwemafrequency (kazhinji 5–150 Hz yeChikamu 1), amplitude yekutama (0.5 mm pp yeChikamu 1), amplitude yekumhanyisa (10 m/s² yeChikamu 1), huwandu hwemaaxes akaedzwa (matatu: akamira, akatarisana, akareba), huwandu hwema sweep cycles pa axis (10), uye zvinodiwa zvekugamuchira shanduko ye contact resistance (kazhinji

Chimwe chinhu chinowanzoitika mumishumo yemiedzo yemutengesi ndechekuti bvunzo yakaitwa pazvikamu zveChikamu 2 apo pepa redata rinotaura kuti zvinodiwa nechikamu 1. Uku kutaura zvisizvo kwakakomba. Kana chikumbiro chako chichida kuti bvunzo iite, unofanirwa kuona kuti bvunzo yakaitwa pazvikamu zveChikamu 1 - kwete kungoti mutengesi ane mushumo webvunzo wakanyorwa kuti "EN 50155."

Danho rechina: Simbisa Ruzivo rweKuramba Kubatana

Bvunza kuti chii chaizvo chiri kuyera kudzvinyirirwa kwekubata kubva pabvunzo yekudzvinyirirwa — kwete kungotaura kuti terminal yakapasa bvunzo. Mushumo unofanirwa kusanganisira zviyero zve pre-test, mid-test, end-test, uye post-stabilization zve axis yega yega yakaedzwa. Tsvaga mafambiro: kana kudzvinyirirwa kwekubata kuri kuwedzera zvishoma nezvishoma kuburikidza ne test cycles pane chero axis, izvi zvinoratidza dambudziko rekuora kwe fretting rinogona kuoneka sekukundikana kwemunda mukati memakore 2-3 ekushanda.

Pamabhuroko ekupedzisira ekeji yechitubu, musiyano wekudzivirira kubata unofanira kunge uri mudiki - kazhinji kacho chinja kubva pa 0.5 mΩ kubva pakutanga kuenda pakugadzikana, uye hapana kuwedzera kuri kuramba kuchienderera mberi panguva yekuyedza. PaJ-Guang, PCT-211 DIN rail push-in wire terminal block series yedu inoratidza kugadzikana kwekudzivirira kubata mukati me 0.2 mΩ pamatanho ese matatu eEN 50155 test axes, inova ndiyo benchmark yandinoshandisa pakuongorora chero terminal block yekushandisa njanji.

Danho rechishanu: Simbisa Kugona Kwekugadzira Maitiro

Pakutenga vhoriyamu (zvigadziko zvemagetsi zvinodarika 10,000 paodha imwe neimwe), ndinokurudzira kukumbira mushumo weManufacturing Process Capability sechikamu chehunhu hwemupi wezvigadzirwa. Simba rechitubu rebhokisi remagumbeze emuchitubu ihunhu hwakakosha hunofanira kudzorwa mukati mehunhu hwakasimba. Bvunza mutengesi kuti akupe data rekuyera simba rechitubu kubva kumutsara wekugadzira - avhareji yesimba rechitubu inofanira kunge iri mukati me±15% yemutengo wezita, neCpk (index yesimba rekugadzirisa) yeinenge 1.33 yekushandiswa kwakakosha kwekuchengetedza.

Zvinodiwa zvekusarudza nzira dzekushandisa njanji zvinopfuura kuzununguka

Kuramba kudedera ndiko kusiyanisa kukuru pakati pema "spring cage" nema "screw terminal blocks", asi mashandisirwo ezvitima anounza mamwe maitiro ekusarudza anogona kukanganisa sarudzo yakakodzera yekuisa chimwe chinhu.

Kudzivirirwa neMoto uye Hutsi Hune Chepfu

EN 45545-2 ("Mashandisirwo eNjanji - Dziviriro yeMoto paMotokari dzeNjanji - Chikamu 2: Zvinodiwa uye Maitiro eZvinhu") inoronga michina yemagetsi zvichienderana nekushanda kwayo pamoto. Mabhuroko emagetsi anoshandiswa munzvimbo dzine vanhu vanopinda (makabati emukati, dhesiki remutyairi) anofanira kusangana nezvinodiwa zvakanyanya zvekudzivirira moto - kazhinji HL2 kana HL3 zvichienderana nerudzi rwemotokari uye nzira yekushanda.

Mazhinji ema "terminal blocks" e "commercial spring cage" anoshandisa zvinhu zve "polyamide" (PA) kana "polycarbonate" (PC), izvo zvinoita kuti "flame retardancy" yeUL94 V-0 irambe ichipisa. Zvisinei, hazvisi zvese izvi zvinosangana nezvinodiwa ne "utsi chepfu" zve EN 45545-2, izvo zvinoda kuyedzwa zvinoenderana ne ISO 5659-2 (smoke density) uye EN ISO 5659-3 (chepfu inoburitsa gasi). Kune ma "internal railway applications", taura nezve "terminal blocks" dzine zvinhu zve "housing" zvakabvumidzwa ne EN 45545-2 HL2 kana kupfuura, uye simbisa chitupa ne "test report" chaiyo pane "datasheet claim".

Kuyera kweVoltage uye Kureba kweCreepage

Masisitimu emagetsi echitima anoshanda pamagetsi akasiyana-siyana, kubva kumaseketi ekudzora eVDC makumi maviri nemana kusvika kumabusbars esimba reVDC zviuru zvitatu. Mabhuroko emagetsi aya akasiyana anofanira kunge aine madaro akakwana ekukwira (nzira pfupi pakati pezvikamu zviviri zvinofambisa mhepo pamusoro pechinhu chinodzivirira) kudzivirira kutadza kutevera. Sekureva kweIEC 60664-1, daro diki rekukwira redunhu reVDC makumi maviri nemana munzvimbo yePollution Degree 2 i0.8 mm, nepo kune dunhu reVDC zviuru zvitatu, daro diki rekukwira re18 mm.

Mabhuroko mazhinji emagetsi echitubu akagadzirirwa kushandiswa kwemaindasitiri otomatiki akapihwa chiyero chemagetsi anosvika 800 V, ayo akakwana kune akawanda masisitimu esimba rekubatsira ekudhonza asi haana kukwana pakubatanidza mabhazi ekudhonza zvakananga. Nekuti daro remvura inotsvedza rinoenderana ne voltage uye kusvibiswa, unofanira kutsanangura mamiriro ekunze anotarisirwa (mukati, kunze, kusvibiswa neguruva rinofambisa mhepo kana hunyoro) pamwe chete ne voltage ye system pakusarudza ma terminal blocks..

Kuenderana kweSaizi yeWaya uye Nzira Yekugumisa

Motokari dzechitima dzinoshandisa saizi dzakasiyana-siyana dzewaya, kubva pa 0.5 mm² sensor leads kusvika pa 240 mm² power cable. Puratifomu ye terminal block inofukidza huwandu hwese hwewaya muapp yako inoita kuti zvive nyore kutarisira zvinhu uye inoderedza njodzi yekukanganisa kwewaya panguva yekuisa nekugadzirisa. J-Guang's PCT-211 DIN njanji inosundidzira-mukati chiteshi chemagetsi Inogamuchira saizi dzewaya kubva pa0.5 mm² kusvika 16 mm² muhukuru hweimba imwe chete, iyo inofukidza inenge 85% yehukuru hwewaya dzinoshandiswa mumakabati emagetsi enjanji.

Rondedzero Yekutarisa Kutenga: Zvinofanira Kudiwa Nemutengi Wese Wechitima

Usati wapa odha yekutenga mabhuroko ezviteshi zvechitima, zvinhu zvinotevera zvinofanirwa kuongororwa uye kunyorwa. Rondedzero iyi inoshanda kune ese ari maviri marudzi ezviteshi zvechitubu uye zvezvikunguru, kunyangwe tarisiro yekushanda ichisiyana zvakanyanya pakati pematekinoroji maviri aya.

1. Mushumo webvunzo we EN 50155 webato rechitatu: Yakabudiswa nerabhoritari yakagamuchirwa neISO/IEC 17025, ichisanganisira nhamba chaiyo yechikamu uye kugadziriswa kuri kuwanikwa, ine data rakazara rekudzivirira kusangana kwemasero ese matatu ekuyedza.
2. EN 45545-2 moto chitupa: Pakushandisa mukati meimba, zvinhu zvemumba zvinofanirwa kunge zvine chitupa cheHL2 kana HL3 kubva kumurabhoritari inotenderwa. Simbisa nhamba yechitupa uchienzaniswa nenhamba chaiyo yechikamu - zvitupa zvezvinhu zvakajairika hazvigamuchirwi pakupihwa chitupa chekupedzisira.
3. Voltage uye chiyero chemagetsi: Voltage yakayerwa inofanira kuenzana kana kudarika voltage yepamusoro yesystem pamwe ne20% yekuchengetedza. Current yakayerwa inofanira kuenzana kana kudarika voltage yepamusoro inoramba ichienderera mberi mukushandiswa, zvichireva chero kukanganiswa kunodiwa pakupisa kwakanyanya kwemhepo.
4. Kuenderana kwehukuru hwewaya: Iva nechokwadi chekuti terminal block inogamuchira saizi dzese dzewaya dzakatarwa mudhizaini yako yeharness, kusanganisira maconductor etambo dzakapfava (Class 5 neClass 6) anoda nzira dzakatarwa dzekugumisa kuti ave nechokwadi chekubatana kusina gasi.
5. Ruzivo rwekugadzirwa kwesimba rechirimo: Kune ma "terminal blocks" e "spring cage", kumbira data reCpk kubva kumabhuku ekudzora maitiro ekugadzira emutengesi. Cpk ye
6. Ruzivo rwekudzivirira kupisa: Chivharo chemagetsi chinofanira kuverengerwa tembiricha yepamusoro-soro munzvimbo inoshandiswa, pamwe nekukwira kwetembiricha kubva pakuyerera kwemvura. Kune michina yepasi pevhu ine tembiricha yemhepo inosvika 70°C, taurai zvivharo zvemagetsi zvakaverengerwa 100°C zvishoma.
7. Kuenderana kwezvishongedzo: Simbisa kuti zvinhu zvinodiwa — majumper bars, marker strips, end brackets, test sockets — zvinowanikwa kubva kumutengesi mumwe chete uye zvakabvumidzwa kuti zvinoenderana ne terminal block platform yakatsanangurwa. Kusanganisa zvinhu kubva kuvagadziri vakasiyana kunogona kuita kuti chitupa chisashande.

Nei Spring Cage Ichifanira Kuva Sarudzo Yako Yekutanga yeRailway Terminal Blocks

Mushure memakore gumi nemashanu ekusarudza mabhuroko ezviteshi zvechitima - uye kuongorora kutadza kwakawanda kwemumunda pakati pevashandisi vakawanda nemarudzi emotokari - kurudziro yangu haina kujeka: mabhuroko ezviteshi zvechitubu anofanira kunge ari sarudzo yekutanga kune ese matsva ekuisa magetsi echitima, nemasikuruu anotariswa chete mune zviitiko zvisingawanzoitiki apo zvirambidzo zvakati zvinoita kuti chitubu chisakodzere.

Pfungwa yekuti mashandiro anoshanda zvakanaka ndeega. Pandinoverenga mari yese yekuva muridzi wekabhineti yemagetsi yechitima ine 500 terminal connections mukati memakore gumi nemashanu ehupenyu hwemotokari, mutsauko wemari yekugadzirisa pakati pe spring cage ne screw terminals chete - zvichienderana nekuongorora torque kota yega yega, ongororo ye thermal imaging, uye mari yebasa re re-torquing - inowanzo pfuura mari yekutanga yekutenga. Wedzerai mari yengozi yekukundikana kwe converter inokonzerwa ne free terminal, uye nyaya ye spring cage inova yakaoma.

Asi kunze kwenyaya yemari, pane nyaya yekuchengetedza yandinoona ichinyanya kufadza. Mota dzechitima dzinoshanda munzvimbo umo kutadza kwemagetsi kunogona kuva nemigumisiro yakaipa - kwete chete kumidziyo, asi kune vafambi nevashandi. Nzira yekukundikana inofambira mberi senge kurerukirwa kwechiteshi chezvikunguru, iyo inopa zviratidzo zvekunyevera zvinogona kuonekwa nekutarisa nguva dzose, inogoneka mungarava dzakachengetwa zvakanaka. Asi kana nguva dzekuongorora dzikasaonekwa, kana kana nzira yekuongorora isingasanganisire thermal imaging yekubatana kwemagetsi ane simba, zviratidzo zvekunyevera zvinosaonekwa kusvika kutadza kwaitika. Nekuti materminal ekeji yechitubu anokundikana kuonekwa uye pakarepo mumamiriro ezvinhu angaita kuti materminal escrew akundikana zvishoma nezvishoma uye zvisingatarisirwi, nzira yekukundikana kwekeji yechitubu yakachengeteka zvikuru mukushandiswa kwenjanji..

Zviteshi zvechitima zveJ-Guang zvePCT-211 zvakatevedzana zvema "spring cage DIN" zvakaiswa muzvirongwa zvechitima zvinodarika makumi matatu pasi rose, uye basa redu remumunda rakaunganidzwa rinodarika maawa ekushanda emamiriyoni masere. Ruzivo rwedu rwekuyedza rweEN 50155, rwunowanikwa kune vese mainjiniya ekutenga kana vakumbira, runoratidza kugadzikana kwakasimba kwekubatana pakati pema "contact resistance" ese matatu pa "Category 1 vibration parameters". Kana uri kutsanangura ma "terminal blocks" epurojekiti itsva yechitima kana kuongorora kuvandudzwa kwe "fleet" iripo, ndinogamuchira mukana wekukurukura zvaunoda chaizvo.