Yadda za a zaɓi mai kera na'urar kariya ta SPD
Mahimman maki 8 na siyan na'urar kariya daga China
Muna LSP masana'antar China tun daga 2010, muna mai da hankali kan ƙoƙarinmu na haɓaka kariyar ƙaruwa da kuma samar da na'urorin tsaro masu ƙaruwa na AC DC PV, muna ƙoƙari mu bauta wa abokan cinikinmu da kayayyaki masu inganci.
Idan kai mai shigo da kayan lantarki ne, wakili, mai rarrabawa, dillali ko dillali, lokacin da ka sayi AC da DC ko PV SPDs (ƙarin na'urorin kariya), ya kamata ka san mahimman mahimman bayanai guda 8 na siyan na'urar kariya da za'a iya sauyawa daga SPA
1. Danyen abu
(1.1) Maƙerin ƙarfe na ƙarfe - MOV
A matsayin babban ɓangaren cikin SPDs, ba buƙatar faɗi, ƙimar SPD yafi dogara da ƙirar varistors. Babu shakka amfani da ingantaccen MOV don samun mahimmanci, akwai shahararrun samfuran zamani iri iri don zaɓi kamar EPCOS / TDK, Littelfuse, Keko, Varsi…
Duniya sanannen alama
| Brand | Photo |
| EPCOS / TDK |  |
| Litelfuse |  |
| Keeko |  |
| Varsi |  |
| ... | ... |
Yawancin China AC & DC da ke kera na'urar kariya ta SPD (masana'anta) suna amfani da sinadarin siliki na cikin gida na China (MOV), akwai alama da yawa don zaɓi. lissafa wasu don tunani.
| Brand | Photo |
| CJP (Changzhou ChuangJie Hasken Haske Co., Ltd.) |  |
| LKD (Lantarki na Lantarki) |  |
| BCTEQ (Dongguan BCTEQ Electroncis Co., Ltd.) |  |
| KVR (Kestar Lantarki Co., Ltd.) |  |
| Leytun (Foshan Leytun Electric Co., Ltd.) |  |
| ... | ... |
Bayan kun zaɓi nau'in varistor (MOV), ta yaya kuka san zaɓi madaidaicin ƙarfin ƙarfin MOV? Kar ku damu, bari mu shiryar da ku don zaɓar mai nuna bambanci.
Bari mu ga sigogin fasaha na farko da farko, jera su a kasa.
Metal Oxide Varistor (MOV) Sigogin Fasaha
| model | Bayanin aiki TA= + 25 ℃ | Imar da aka kimanta T = + 85 ℃ | ||||||||
| Varistor ƙarfin lantarki | Daidaitaccen haƙuri | Iyakance ƙarfin lantarki a IP (8 / 20ss) | capacitance (1kHz) | Max. ci gaba da aiki irin ƙarfin lantarki (UC) | Makamashi (2ms) | Fitarwa na yanzu IMAX (8 / 20ss) | rated iko | |||
| VN (V) | . VN (±%) | VP (V) | IP (A) | C (pF) | VRMS (V) | VDC (V) | WMAX (J) | IMAX (A) | PMAX (W) | |
| Saukewa: CJA34S-121 | 120 | 10 | 200 | 300 | 8000 | 75 | 100 | 230 | 40000 | 1.4 |
| Saukewa: CJA34S-201 | 205 | 10 | 340 | 300 | 7900 | 130 | 170 | 310 | 40000 | 1.4 |
| Saukewa: CJA34S-221 | 220 | 10 | 360 | 300 | 7200 | 140 | 180 | 340 | 40000 | 1.4 |
| Saukewa: CJA34S-241 | 240 | 10 | 395 | 300 | 6600 | 150 | 200 | 360 | 40000 | 1.4 |
| Saukewa: CJA34S-271 | 270 | 10 | 455 | 300 | 5600 | 175 | 225 | 390 | 40000 | 1.4 |
| Saukewa: CJA34S-331 | 330 | 10 | 550 | 300 | 5000 | 210 | 275 | 430 | 40000 | 1.4 |
| Saukewa: CJA34S-361 | 360 | 10 | 595 | 300 | 4400 | 230 | 300 | 460 | 40000 | 1.4 |
| Saukewa: CJA34S-391 | 390 | 10 | 650 | 300 | 4100 | 250 | 320 | 490 | 40000 | 1.4 |
| Saukewa: CJA34S-431 | 430 | 10 | 710 | 300 | 3800 | 275 | 350 | 550 | 40000 | 1.4 |
| Saukewa: CJA34S-471 | 470 | 10 | 775 | 300 | 3400 | 300 | 385 | 600 | 40000 | 1.4 |
| Saukewa: CJA34S-511 | 510 | 10 | 840 | 300 | 3200 | 320 | 410 | 640 | 40000 | 1.4 |
| Saukewa: CJA34S-561 | 560 | 10 | 915 | 300 | 2900 | 350 | 460 | 710 | 40000 | 1.4 |
| Saukewa: CJA34S-621 | 620 | 10 | 1025 | 300 | 2600 | 385 | 505 | 800 | 40000 | 1.4 |
| Saukewa: CJA34S-681 | 680 | 10 | 1120 | 300 | 2400 | 420 | 560 | 910 | 40000 | 1.4 |
| Saukewa: CJA34S-751 | 750 | 10 | 1240 | 300 | 2200 | 460 | 615 | 960 | 40000 | 1.4 |
| Saukewa: CJA34S-781 | 780 | 10 | 1290 | 300 | 2100 | 485 | 640 | 930 | 40000 | 1.4 |
| Saukewa: CJA34S-821 | 820 | 10 | 1355 | 300 | 2000 | 510 | 670 | 940 | 40000 | 1.4 |
| Saukewa: CJA34S-911 | 910 | 10 | 1500 | 300 | 1800 | 550 | 745 | 960 | 40000 | 1.4 |
| Saukewa: CJA34S-951 | 950 | 10 | 1500 | 300 | 1700 | 580 | 760 | 1000 | 40000 | 1.4 |
| Saukewa: CJA34S-102 | 1000 | 10 | 1650 | 300 | 1600 | 625 | 825 | 1040 | 40000 | 1.4 |
| Saukewa: CJA34S-112 | 1100 | 10 | 1815 | 300 | 1500 | 680 | 895 | 1100 | 40000 | 1.4 |
| Saukewa: CJA34S-122 | 1200 | 10 | 2000 | 300 | 1300 | 750 | 970 | 1200 | 40000 | 1.4 |
| Saukewa: CJA34S-142 | 1400 | 10 | 2290 | 300 | 1100 | 880 | 1150 | 1300 | 40000 | 1.4 |
| Saukewa: CJA34S-162 | 1600 | 10 | 2550 | 300 | 1000 | 900 | 1200 | 1400 | 40000 | 1.4 |
| Saukewa: CJA34S-182 | 1800 | 10 | 2800 | 300 | 900 | 1000 | 1300 | 1500 | 40000 | 1.4 |
Idan kana son yin odar SLP40-275 / 4 (UC = 275Vac, IMAX = 40kA), da fatan za a duba tebur (mun nuna shi ja), ginshikin Max. ci gaba da aiki irin ƙarfin lantarki (UC) - VRMS (V), sami bayanan 275V, zamu sami samfurin shine Saukewa: CJA34S-431.
PS
CJ: yana nufin alamar CJ.
A: yana nufin AC
34S: yana nufin murabba'in 34mm
431: yana nufin ƙarfin varistor shine 430V
Bayan zaɓar varistor na ƙarfe (MOV), har yanzu muna buƙatar kula da yadda za mu sanya shi cikin gidan SPD. akwai hanya biyu:
A. Mai ruɓi mai ruɓaɓɓen varistor, yawanci rufi da koren ko shuɗi mai launi don tabbacin danshi.
B. Wasu masana'antar SPDs suna amfani da varistor tsirara tare da mai tuntuɓar, yana buƙatar amfani da resin epoxy don sakawa. Kuna buƙatar sanin resin epoxy ba sa daɗin muhalli, sanannen samfurin SPDs baya yin hakan kuma.
C. Don rage farashin, wasu masana'antun SPDs suna amfani da ƙaramin mai canzawa don maye gurbin 34S varistor, bari mu ɗauki misali, idan kuna son siyan SPDs masu kyau, fatan fatarar ruwa na Maraice (8 / 20μs) A = 20kA da Matsakaicin fitarwa na yanzu (8 ) Rubuta waɗannan bayanan fasaha daban-daban kamar yadda ke ƙasa:
| Technical data | Bada halin yanzu | Girman MOV | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 5 KA | 20D 20MM D: diamita |  |
| Matsakaicin yawan fitarwa na yanzu (8 / 20μs) Imax | 10 KA |
| Technical data | Bada halin yanzu | Girman MOV | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 10 KA | 25D 25MM D: diamita |  |
| Matsakaicin yawan fitarwa na yanzu (8 / 20μs) Imax | 20 KA |
| Technical data | Bada halin yanzu | Girman MOV | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | 34S 34MM S: murabba'i |  |
| Matsakaicin yawan fitarwa na yanzu (8 / 20μs) Imax | 40 KA |
| Technical data | Bada halin yanzu | Girman MOV | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | 34S 34MM S: murabba'i |  |
| Hasken walƙiya a halin yanzu (10 / 350μs) Iimp | 7 KA |
| Technical data | Bada halin yanzu | Girman MOV | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | 48S 48MM |  |
| Hasken walƙiya a halin yanzu (10 / 350μs) Iimp | 12,5 KA |
(1.2) Lokacin zaɓin Gas Discharge Tube GDT don sandar NPE, buƙatar kulawa
| Technical data | Bada halin yanzu | GDT girma | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 10 KA | Diamita: 8mm |  |
| Matsakaicin yawan fitarwa na yanzu (8 / 20μs) Imax | 20 KA |
| Technical data | Bada halin yanzu | GDT girma | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | Diamita: 16mm |  |
| Matsakaicin yawan fitarwa na yanzu (8 / 20μs) Imax | 40 KA |
| Technical data | Bada halin yanzu | GDT girma | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | Diamita: 30mm |  |
| Hasken walƙiya a halin yanzu (10 / 350μs) Iimp | 25 KA |
| Technical data | Bada halin yanzu | GDT girma | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | Diamita: 30mm |  |
| Hasken walƙiya a halin yanzu (10 / 350μs) Iimp | 50 KA |
| Technical data | Bada halin yanzu | GDT girma | Photo |
| Maganin sallama na yanzu (8 / 20μs) In | 20 KA | Diamita: 30mm |  |
| Hasken walƙiya a halin yanzu (10 / 350μs) Iimp | 100 KA |
(1.3) Tsarin tsarin ciki
Alamu da yawa na SPDs a cikin kasuwa, zaku ga akwai galibi akwai tsarin tsarin gida guda biyu a cikin abin da za'a iya haɗawa da su: Salon Dehn da salon OBO
Salon OBO:
lokacin da babbar hazo take zuwa, faɗin ɓangaren haɗin ƙarfe yana da kunkuntar, ba zai iya tsayayya da ƙarfin 40kA ba.
Salon Dehn:
Godiya ga ƙirar kirkira, zata iya tsayayya da halin Imax = 40kA na yanzu.
(1.4) Gidajen roba
kayan inganci sune PA66 ko nailan don rigakafin gobara.
(1.5) sassan karfe, ainihin kayan ƙarfe yakamata su zama masu sanyi, ba ƙarfe ba.
Salon OBO yayi amfani da sassan karfe:
Dehn salo yayi amfani da sassan ƙarfe masu sanyi:
(1.6) Kayan kare muhalli
Wasu masana'antar suna amfani da resin epoxy don rufewa. Epoxy resin yana da ƙamshi kuma bashi da kyau ga kare muhalli da lafiyar shi.
Muna amfani da rufin rufi mai rufi, ba kwa buƙatar resin epoxy, ya fi kyau don kiyaye muhalli.
2. Aikin sarrafa kansa
Partsananan sassa suna haɗi tare da MOV (varistor) yakamata su kasance masu walda dogara. idan manual waldi, shi sauƙi faruwa kasa solder. Don haka waldi na atomatik zai iya kiyaye daidaitattun ingancin samfura. https://www.youtube.com/watch?v=RHwNJv8hobE
3. Laboratory da gwaji
A matsayina na mai kera SPDs, dole ne ya kasance yana da cikakkun kayan aikin gwaji don gwada samfuran ko yin amfani da shi don:
| Standards | Items | Rarraba gwaji / Nau'in Gwaji |
| IEC61643-11: 2011 | AC SPDs | Class I, I + II, II, II + III |
| EN61643-11: 2012 | AC SPDs | Rubuta 1, 1 + 2, 2, 2 + 3 / T1, T1 + T2, T2, T2 + T3 |
| IEC61643-31: 2018 | PD SPDs | Class I + II, II |
| EN50539-11: 2013 | PD SPDs | Rubuta 1 + 2, Rubuta 2 / T1 + T2, T2 |
Matsayin AC da rarrabuwa gwaji:
| EN 61643-11: 2012 | IEC 61643-11: 2011 | VDE 0675-6-11: 2002 | In (80 / 20ss) | Imax (8 / 20ss) | Iimp (10 / 350ss) | Uoc (1.2 / 50ss) |
| T1 | Class I | Class B | 25 KA | 65 KA | 25 KA | / |
| T1 + T2 | Class I + II | Ajin B + C | 12.5 ~ 20 kA | 50 KA | 7 KA | / |
| 12.5kA | ||||||
| T2 | Class II | Class C | 20 KA | 40kA | / | / |
| T2 + T3 (ko T3) | Class II + III (ko III) | Class C + D (ko D) | 10 KA | 20kA | / | 10 kV 6 kV |
Matsayin PV SPDs da rarrabuwa gwaji:
| EN 50539-11: 2013 | IEC 61643-31: 2018 | VDE 0675-39-11: 2013 | In (80 / 20ss) | Imax (8 / 20ss) | Iimp (10 / 350ss) |
| T1 + T2 | Class I + II | Ajin B + C | 20 KA | 40 KA | 6.25 kA / sanda ITotalKu: 12.5kA |
| T2 | Class II | Class C | 20 KA | 40kA | / |
Muna da jerin kayan gwaji kamar yadda ke ƙasa:
(1) Injin janareto (Imax har zuwa 150kA [8 / 20μs]; Iimp har zuwa 25kA [10 / 350μs])
(2) Tsarin hada-hadar motsi 1.2 / 50'ss ƙarfin lantarki & janareta na yanzu (Uoc: 6kV [1.2 / 50μs]; Imax 4kA [8 / 20μs])
(3) Jarrabawar kwanciyar hankali
4. Gudanar da bita
5. Certificate:
- Abubuwan: RoHS
- Gudanarwa: ISO9001: 2015
- Kariyar muhalli: ISO14001: 2015
- Nazarin Lafiya da Tsaro na Aiki: OHSAS18001
- Rahoton gwajin samfurin samfurin lasisi da takaddun shaida, kamar TUV, CB, CE, EAC, RoHS
https://www.lsp-international.com/tuv-cb-ce-eac-rohs-certificate-for-spd/
IEC 61643-11: 2011 / EN 61643-11: 2012 Matsakaiciyar testedasa ta Duniya - Shin testedananan Kariyar Kayayyakinku (SPDs) an gwada su kuma sun jitu da hakan?
Dole ne Protean Kariyar Kariya su Cika Ka'idoji
IEC 61643-11: 2011 / EN 61643-11: 2012 devicesananan na'urori masu kariya masu ƙarfi - Sashe na 11 Surarfafa na'urorin kariya da ke haɗe da tsarin wutar lantarki mai ƙarancin ƙarfi - Bukatu da hanyoyin gwaji
Dole ne na'urorin kariya masu ƙarfi (SPDs) su samar da ayyukanda ayyuka na kariya da sigogin aiki don dacewa da amfani a cikin ra'ayoyin kariya masu dacewa. Saboda haka, an haɓaka su, an gwada su, kuma an rarraba su gwargwadon tsarin ƙasashensu na samfuran samfura.
Devicesararrun na'urorin kariya masu haɗuwa da tsarin wutar lantarki masu ƙarancin ƙarfi ana fuskantar buƙatu da hanyoyin gwaji waɗanda sabon IEC 61643-11: 2011 / EN 61643-11: 2012 International Standard suka ƙayyade.
Alamar gaskiya ta inganci ita ce takaddun shaida da yarda daga kwalejin gwaji mai zaman kanta. Wannan yana tabbatar da cikar tsarin kayan aikin zamani don tabbatar da aminci da mutuncin SPDs. Abubuwan da ake buƙata na ƙa'idodi waɗanda aka sanya akan SPDs galibi suna buƙatar rikitarwa masu rikitarwa waɗanda ƙwararrun dakunan gwaje-gwaje kaɗan ne kawai ke iya aiwatarwa a duniya.
Taya kuka sani?
Inganci da aikin na'urorin kariya masu ƙarfi suna da wuya abokin ciniki ya tantance. Ba za a iya gwada aikin da ya dace ba a cikin dakunan gwaje-gwaje masu dacewa. Baya ga bayyanar waje da kuma haipics, bayanan fasaha da masana'antar ke bayarwa ne kawai ke iya samar da kowane jagora. Ko da mahimmancin shine sanarwa mai aminci daga masana'anta & takaddun shaida / yarda game da aikin SPD da aiwatar da gwaje-gwajen da aka ƙayyade a cikin samfurin samfuran daga jerin IEC 61643-11: 2011 / EN 61643-11: 2012
Rubuta takaddun shaida daidai da matsayin
| Standards | Rarraba gwaji | Certification |
| IEC 61643-11: 2011 | Class I, I + II, II, II + III | CB |
| EN 61643-11: 2012 | T1, T1 + T2, T2, T2 + T3 | TUV-mark, KEMA, CE |
| UL 1449 na 4 | T1, T2, T3, T4, T5 | UL, ETL, cTUVus |
6. Lokacin yin rajista na ma'aikata da layin samfu.
(6.1) Ya kamata a bincika lasisin kasuwancin masana'anta, dogon lokaci ya mai da hankali kan haske da filin kariyar tashin hankali, yana nufin masana'antar ta fi ƙwarewa.
(6.2) Babban layin samfur. ƙwararren mai siyarwa ya kamata ya mai da hankali kan walƙiya da haɓaka kariyar ƙaruwa. Layin samfurin na iya haɗawa da:
A. AC da DC masu samarda wutar lantarki suna karuwa da na'urorin kariya
B. Mai ba da kariya game da layin bayanai / sigina
C. Kayan aikin kariyar tashin hankali na RF
D. Sandar Wuta, sandar taron walƙiya, sandar ƙasa, ƙasa madugu dss.
7. Garantin Samfura
Shahararren iri kamar Dehn, OBO, suna ba da garantin shekaru 5. idan masana'anta sun tabbatar sun samar da samfurin inganci, yakamata su bada garanti na shekaru 3-5.
8. kunshin
Kowace alama ta masana'anta ko OEM, mai ƙira ya kamata ya ba da hatimi mai kyau (serigraphy), kunshin (kartani da akwatin), takarda ko littafin lantarki (umarnin shigarwa)
Yadda za a zabi mai kera na'urar kariya ta SPD, Wadannan mahimman mahimman bayanai guda 8 na siyan na'urar kariya daga China, fatan zai taimaka.
Mu kamfani ne na iyali daga kuma muke samar da na'urorin kariya (SPD) a duk duniya sama da shekaru 10. Muna da namu binciken & ci gaba, samarwa, goyon bayan fasaha da dakin gwaji kuma.
LSP ana samar da su ba kawai don gine-gine da wuraren zama ba, amma har ma don aikace-aikacen masana'antu kamar bututun mai, bututun gas, photovoltaics, tashoshin wutar lantarki da layin dogo. Kayanmu suna kariya daga hauhawar sabbin fasahohi, injuna, kayan aiki da kayan aiki a duk faɗin duniya.
Hakanan muna haɓaka da ƙera na'urori masu sa ido na rufi (IMD) don keɓaɓɓun cibiyoyin sadarwar IT. Muna samar da cikakke, mai rikitarwa A zuwa Z bayani don saka idanu kan yanayin rufi a asibitoci, masana'antu da aikace-aikace na musamman.
Ba mu yi da'awar cewa za mu iya yin komai ba, Idan muna da tambayoyi da shawarwari game da abubuwan SPDs, ƙungiyarmu ta ƙwararrun masu fasaha za ta yi farin cikin amsa tambayoyinku kuma su samo muku samfurin da ya dace.
