Chii Chinoita Kuti Cable "Ive Yakachengeteka Mukati" Pakushandisa Migodhi?
Mumigodhi yemarasha yepasi pevhu, kuvapo kwegasi remethane neguruva remarasha rinobvira kunoita kuti pave nenjodzi yekuputika nguva dzose. Chiedza chimwe chete chinobva mumidziyo yemagetsi—kusanganisira matambo—chinogona kubatidza mugodhi wese. Apa ndipo panowanikwaYakachengeteka Mukati (IS)tambo dzinova dzakakosha.
Kusiyana nemidziyo isingatsvi murazvo (Ex-d) ine kuputika,Kuchengetedzwa Kwemukati (Ex-i)inodzivirira kubatidza nekugadzira—inoderedza simba remagetsi (voltage, current, uye tembiricha) kusvika padanho risingakwanise kubatidza mhepo ine njodzi. Kune mashandisirwo ekuchera anotongwa nematanho akaita seIEC 60079-11, BS 6704, uye zvinodiwa neDGMS, tambo iyi haisi kungobatanidza chete—ichinhu chinoshanda chekuchengetedza chine maparamita emagetsi anofanira kudzorwa zvakasimba.
Gwaro iri rinopa tsananguro yakakwana, inotungamirirwa nedata rekuti chii chinoita kuti tambo ive "yakachengeteka mukati" pakuchera migodi—inosanganisira zviyero zvechitupa, parameters dzemagetsi, zvinodiwa pakuvaka, uye zvinodiwa pakusarudza mashandisirwo kubva kumagasi detectors kusvika kumasensa network.
1. Nheyo Yechikuru: Chii Chinoita Kuti Denderedzwa Rive "Rakachengeteka Mukati"?
Kuchengetedzwa Kwemukati (IS) inzira yekudzivirira yakavakirwa pakuganhurirwa kwesimbaPfungwa huru iri nyore asi yakaoma: iva nechokwadi chekuti kana paine mashandiro akajairika kana mamiriro ekukanganisa, simba remagetsi riripo harigone kubatidza mhepo inobvira yakapoteredza.
| Chikamu | Nzvimbo | Basa | Muenzaniso weMigodhi |
| Midziyo Yakabatana | Nzvimbo Yakachengeteka (kana Zone 2) | Inoganhurira simba kunzvimbo dzine njodzi kuburikidza neZener barriers kana galvanic isolators | Simba rekushandisa gasi rekutarisa system |
| Cable yeIS | Nzvimbo Ine Ngozi (Zone 0/1) | Inotumira simba shoma necapacitance inodzorwa (Cc) uye inductance (Lc) | Tambo yekunzwa inobatanidza |
| Midziyo yeIS | Nzvimbo Ine Ngozi (Zone 0/1) | Mudziyo uri nyore kana une chitupa unoshanda mukati memiganhu yesimba | Chinoongorora methane, rambi rechivharo |
Kunzwisisa Kwakakosha Kwematambo:Tambo inobatanidza chipingamupinyi nemudziyo wemunda haifanirwe kuchengetedza simba rakakwana (sekuchaja kwe capacitive kana inductive) kuti igadzire spark inokwanisa kubatidza kana tambo yacho yakatyoka kana kuti yakapfupika. Tambo yekuchera ine capacitance yakakwira inogona kukunda chipingamupinyi chekuchengetedza zvachose.
2. Mitemo Yekutanga: IEC 60079-11, BS 6704 & DGMS
Tambo dzekuchera dzakachengeteka mukati menyika dzinofanira kutevedzera huwandu hwemitemo yepasi rose neyedunhu.
| Zvakajairika | Chiyero | Chinodiwa Zvakakosha paMatambo |
| IEC 60079-11 | Chiyero chepasi rose chekugadzirwa kwekuchengetedza kwemukati | Inotsanangura zvinodiwa zvemudziyouye kubatanidza waya |
| IEC 60079-14 | Kugadzira uye kuisa fekitori | Zvinodiwakunyora mavara ebhuruu-rakajekaye IS circuits; kuparadzaniswa kubva kune waya dzisiri dzeIS |
| BS 6704:1996 | Kodhi yeUK yemigodhi yemarasha | Anopazviyero zve inductance/resistanceyetambo dzemhando yekuchera (Nhare, Signaling, Pliable Armored) |
| DGMS (India) | Mitemo yekuchengetedza migodhi yemarasha | Inorayira kuti IS/IEC 60079-11 (Ex-ia/Ex-ib) itevedzere chitupa cheQAN/QAR itevedzerwe |
(Dhayagiramu yehurongwa hwekuchera hwakachengeteka mukati) Chinhu Chinokosha Chekudzidza:Kutevedzera mitemo hakugone kutaurirana. Kune migodhi yemarasha yepasi pevhu, tambo dzeIS dzinofanirwa kusimbiswa sechikamu che "system entity" pamwe chete nechivharo nesensa. Tambo haigone kutsiviwa nemaune.
3. Matanho ekuchengetedza emukati: Ex-ia vs. Ex-ib
Haasi ese maseketi akachengeteka anopa dziviriro yakafanana. Musiyano uri muhuwandu hwezvikanganiso zvinogona kushivirirwa nesystem.
| Chiyero | Kushivirira Mhosva | Nzvimbo Inoshanda | Muenzaniso weKushandiswa kweMigodhi |
| Kubva zvino zvichienda mberi | Zvikanganiso zviviri zvakazvimiririra (Kuchengetedzwa kwepamusoro) | Nzvimbo 0(Njodzi inoputika inogara iripo) | Zvishandiso zvekuongorora gasi reMethane mudenga refu |
| Aimbova mumwe chete | Chikanganiso chimwe chete (Kuchengetedzwa kwakanyanya) | Nzvimbo 1(Njodzi inogona kuputika) | Masensa epombi, maseketi ekudzora ekutakura zvinhu |
Mhedzisiro Pakusarudza Cable:Maseketi eEx-ia anoda miganho yakamanikana pamatanho eL/C etambo kupfuura Ex-ib kuti ave nechokwadi chekuti akachengeteka kana paine zvikanganiso zviviri.
4. Zvikamu zveCritical Cable: Kuganhurirwa kweCapacitance & Inductance
Zvinhu zvinonyanya kukosha pamagetsi e IS cable ndezvayocapacitance yakagoverwa (Cc)uyeinductance (Lc)pahurefu hweyuniti.
- Nei Kugona Kuchikosha:Kana tambo refu ichibva pane chimwe chinhu chinovhara magetsi ichienda kune chimwe chinhu chinoona magetsi, tambo yacho inoshanda se capacitor. Kana tambo yacho ikabviswa, chaji iyi yakachengetwa inogona kubuda se spark. Chaji yakawandisa zvinoreva spark inokwanisa kubatidza magetsi.
- Nei Kubudirira Kwebasa Kuchikosha:Mitoro inopinda mumhepo (coils, motors, kana kuti waya loop) inogona kugadzira maspikes ane simba guru kana circuit yavhurwa.
Kubatsira Kunoita:Tambo yekuchera inogona kunge iine capacitance yakakura, zvichideredza daro rinobvumirwa pakati pechipingamupinyi nesensa. Tambo ine chitupa cheIS inogadzirwa nekudzivirira kupisa kwepasi-pasi (semuenzaniso, Polyethylene kana XLPE)kuti uwedzere kureba kunobvumirwa.
Muyero weBS 6704 unonyatsotsanangura zvakadzama nezveinductance yezita uye resistance ratiosye:
- Tambo dzefoni(Kune macoms munzvimbo dzine gasi).
- Tambo dzekutumira zviratidzo(Kune ma remote controls).
- Tambo dzakadzivirirwa nesimbi dzakagadzirwa newaya dzakatetepa(Yemagetsi nemasekete ehybrid).
5. Kuvaka: Matambo ekuchera akavharirwa vs. Asina kuvharwa
Nzvimbo dzekuchera migodhi dzine ruzha rwemagetsi (VFDs, mota dzemagetsi ane simba guru). Kudzivirira kwakakosha kuti masaini arambe achishanda zvakanaka, asi kunochinja miganhu yekuchengetedza magetsi yetambo.
| Chinhu | Zvinodiwa Zvakajairika | Nei Zvichikosha paMigodhi |
| Kudzivirira (Kudzivirira) | Kurukwa Kwese (Kwakaongororwa)zvinodiwa kuti magetsi aenderane | Inodzivirira kukonzeresa kwenhema kwema sensor egasi munzvimbo dzine EMI yakawanda |
| Zvinhu zvekudzivirira | PE (Polyethylene)kanaXLPE(Yakaderera εᵣ) | Chinogadzika che dielectric = Kugona kwakaderera = Kureba kwenguva refu kwe IS |
| Kunyora Mavara | Bhuruu Rakareruka(RAL 5015) sheya rekunze | Inoona dunhu reIS kudzivirira kubatana netsaona kune simba risiri reIS |
| Mutyairi | Mhangura inochinjika(Kirasi 5/6 kusungirira) | Inotsungirira kudedera mumotokari dzemigodhi dzemudenga refu uye dzemumashuttle |
(Chikamu chakasiyana chetambo yekuchera yakachengeteka mukati memugodhi) Kurudziro yeCable Mining Cable Yakaongororwa:Kune nharaunda dzine kukanganiswa kwakanyanya (semuenzaniso, pedyo nevaveuri vemapuranga marefu),tambo dzakarukwa dzakavharirwaZvinodiwa. Zvisinei, chidziviriro chesimbi chinofanira kunge chakagadzikwa zvakanaka (chinhu chimwe chete) kudzivirira kugadzira denderedzwa repasi rinochengetedza simba rine njodzi.
6. Magadzirirwo Akakosha Ehunyanzvi (Pepa Redata)
Paunenge uchiongorora datasheet re IS cable rekuchera, tsvaga zvinhu izvi kuti uve nechokwadi chekuti zvitupa zvinoenderana.
| Paramita | Kukosha kweCable yeIS yakajairika | Nei Zvichikosha |
| Kugona (Kubva paCore kuenda kuCore) | ≤ 150 nF/km(Yakajairika) vs. > 300 nF/km kune vasiri veIS | Kukwanisa kwepamusoro kunoderedza daro rakachengeteka kubva pamudziyo |
| Kukwanisa (Kubva paCrini kusvika paCore) | ≤ 250 nF/km | Zvakakosha patambo dzakavharirwa dzinoshandiswa pedyo neVFDs |
| Kufambiswa kwesimba | ≤ 0.8 mH/km | Inodzivirira kukwira kwemagetsi kune njodzi pakuchinja masensa |
| Chiyero cheL/R | ≤ 30 µH/Ω(Yakatsanangurwa neBS 6704 Tafura B.1) | Inoenderana nematanho ekuchengetedza eZener barrier |
| Kuyera Tembiricha (Waya) | -40°C kusvika +90°C(PVC) kana -65°C kusvika +200°C (FEP) | Tambo dzemugodhi dzinofanira kunge dzisingagoni kudzima moto (IEC 60332-1) |
| Kuyera Voltage (AC) | 300/500V | Masisitimu eIS ane simba shoma/simba shoma |
7. Mutemo we "Bhuruu Rakajeka": Kuzivikanwa Nemaziso
IEC 60079-14 inoda kutimacircuit akachengeteka mukati memuviri anogona kuzivikanwa neruvara rwebhuruu rakareruka(RAL 5015).
- Ruvara rwemuhara:Chidimbu chekunze chetambo yekuchera chinofanira kunge chakajeka sebhuruu.
- Kumaka:Waya inofanira kunge yakanyorwa kwenguva refu neEx-ia kana Ex-ib.
- Mateminari:Nzvimbo dzekubatanidza dzinofanirawo kushandisa insulation yebhuruu kana kuti mavara.
Kana uri kushandisa tambo yekuchera nhema yakajairwa pakushandisa IS application, ingangotadza kutevedzera kodhi usati watomboibatidza.
8. Matambo eSensor Anochinjika eKugadzira Migodhi
Kuchera kwemazuva ano kunoshandisa "Matambo Anochinjika Ekuona" pakushandisa michina yakaita semota dzinofamba netsoka, mabhota edenga, uye mavharo emadziro marefu.
- Chinodiwa:Kuchinjika kwakanyanya (Kirasi 6 kusungirira) kuti urarame uchikotama nguva dzose.
- Kuvaka:Tambo dzemhangura dzakapfava + bhachi rePUR (rekudzivirira kukwenya) + Sikirini yakarukwa.
- Kukosha kweIS:Tambo idzi dzinoshanda dzinofanira kuchengetedza maparamita adzo emagetsi (Capacitance/Inductance) kunyangwe mushure memamiriyoni ekufamba-famba. Chigadziko chekudzivirira chakatsemuka chinoshandura capacitance uye chinokanganisa pfungwa yeIS entity.
9. Mashandisirwo Ekuchera Anoda Matambo eIS
Tambo dzeIS dzinosungirwa kushandiswa pamatanho ese ane simba shoma anopinda munzvimbo dzine njodzi.
| Kushandiswa | Nzvimbo | Kuongororwa kweIS | Chinhu cheCable |
| Zvishandiso zveMethane Gas | Nzvimbo 0 | Kubva zvino zvichienda mberi | Kukwanisa Kushoma, Mugoba weBhuruu Rakajeka |
| Masisitimu Ekunyevera Kuswedera Pedyo (PWS) | Nzvimbo 1 | Aimbova mumwe chete | Yakaongororwa (EMI protection), Inochinjika |
| Marambi eVivharo neTelemetry | Nzvimbo 1 | Ex-ia/Ex-ib | Hybrid (Simba + Data) |
| Masisitimu Ekutaurirana Pasi Pevhu | Nzvimbo 1 | Aimbova mumwe chete | Runhare rwemhando yepamusoro (BS 6704) |
10. MaParameter eZvinhu: Nei Usingakwanise Kungoshandisa Chero Cable
Kuti waya ive "Yakachengeteka Mukati," inofanira kugutsa zvinodiwa"Pfungwa yeChinhu":
- Zvinotadzisa Kubuda:Voc (Max open circuit voltage), Isc (Max short circuit current), Ca (Max inobvumirwa capacitance), La (Max inobvumidzwa inductance).
- Chokwadi cheCable:Cc (Cable capacitance patsoka imwe neimwe), Lc (Cable inductance patsoka imwe neimwe).
- Mudziyo weMunda:Ci (Mukati memagetsi), Li (mukati memagetsi).
Fomura Yekusimbisa:
- Cc (tambo) + Ci (mudziyo) ≤ Ca (chipingamupinyi)
- Lc (tambo) + Li (mudziyo) ≤ La (chipingamupinyi)
Kana chimwe chezviyero izvi chisina kunyorwa padheti redata retambo,kweteTambo yakachengeteka mukati.
Nezve Dingzun Cable: Mubatsiri Wako weKuchengetedza Migodhi
NaMakore makumi maviri+ eruzivo rwekugadzira zvinhu, Dingzun Cable mutengesi ane certification yeZvishandiso zvakachengeteka mukati uye tambo dze sensor dzinochinjikayeindasitiri yemigodhi yepasi rose.
(Kuisa tambo inochinjika, yakachengeteka mukati memuviri) Kugona Kwedu Kwekugadzira Cable Yekuchera Migodhi Yakachengeteka:
| Kugona | Tsanangudzo yeDingzun |
| Kutevedzera Zvitupa | IEC 60079-11 (Ex-ia/Ex-ib), BS 6704, RoHS |
| Mutyairi | Mhangura Isina Chinhu/Yakaiswa Mumatini (Kubatanidza tambo dzekirasi 5/6) |
| Kudzivirira kupisa | XLPE kana PE(Kukwanisa kushanda kwakaderera |
| Kudzivirira | Ruoko rwemhangura rwakaputirwa mugaba(≥85% yekuvhara, Waya yeMigodhi Yakavhenekerwa) |
| Kunyora Mavara | Mugoba webhuruu rakarerukazvichienderana neIEC 60079-14, ine chiratidzo cheEx chakasimba |
| Zvinhu zveJaketi | PVC, LSZH, kanaKUNYANGWE(Inodzivirira mafuta/moto pakushandiswa kwemadziro marefu) |
| Kuongororwa kweMichina | Kudzivirira kukuru kwekukwesha, -40°C kusvika +90°C |
Nei Dingzun Cable yeMigodhi:
- Kugadziriswa kwakanyanya— Kuverengwa kwepair, conductor gauge, shielding, uye custom printing zvichienderana ne mine spec.
- Chikwata chenyanzvi dzeinjiniya— Rutsigiro rwekuverenga maparamita echinhu (Ca, La) kuti uve nechokwadi chekuti zvinodzivirira zvinoenderana.
- Kutaurirana kwehunyanzvi zvakananga— Mashoko ekukurumidza, mapepa eruzivo rwehunyanzvi, uye kutumira pasi rose.
Iva nechokwadi chekuti mugodhi wako wakachengeteka nekushandisa tambo dzeIS dzakanyoreswa.[Bata timu yedu yehunyanzvi nhasi kuti uwane mazano kana kuti uwane muenzaniso wakagadzirwa nevatengi].