Bii a ṣe le yan ẹrọ aabo SPD olupese aabo
Awọn aaye pataki 8 ti rira ẹrọ aabo gbaradi pipọ lati China
A LSP olupese China kan lati ọdun 2010, fojusi awọn ipa wa lori idagbasoke aabo gbaradi ati lori iṣelọpọ awọn ẹrọ aabo DC DC PV, gbìyànjú lati sin awọn alabara wa pẹlu awọn ọja to gaju.
Ti o ba jẹ akowọle ohun elo ina, oluranlowo, olupin kaakiri, alagbata tabi alagbata, nigbati o ra AC ati DC tabi PV SPDs (awọn ẹrọ aabo ti o ga soke), o yẹ ki o mọ awọn aaye pataki 8 ti rira ẹrọ aabo ariwo pipọ ti o rọpo (SPD) lati China
1. Aise ohun elo
(1.1) Irinṣẹ Orisirisi Irin - MOV
Gẹgẹbi paati akọkọ ti inu awọn SPD, ko ṣe pataki lati sọ, didara SPD ni pataki dale lori didara awọn oniruuru. O han ni lo didara MOV ni pataki diẹ sii, ọpọlọpọ awọn oniruuru ohun elo irin ohun elo iyasọtọ fun yiyan bii EPCOS / TDK, Littelfuse, Keko, Varsi…
Aami olokiki agbaye
| brand | Photo |
| EPCOS / TDK |  |
| Litelfuse |  |
| Keko |  |
| Varsi |  |
| ... | ... |
Pupọ ti China AC & DC gbaradi ẹrọ aabo SPD olupese (ile-iṣẹ) lo China varistor oxide iron abele (MOV), ami iyasọtọ pupọ wa fun yiyan. ṣe atokọ diẹ fun itọkasi.
Awọn
| brand | Photo |
| CJP (Changzhou ChuangJie Lighting Co., Ltd.) |  |
| LKD (Itanna Longke) |  |
| BCTEQ (Dongguan BCTEQ Electroncis Co., Ltd.) |  |
| KVR (Kestar Itanna Co., Ltd.) |  |
| Leytun (Foshan Leytun Electric Co., Ltd.) |  |
| ... | ... |
Lẹhin ti o yan iyasọtọ varistor (MOV), bawo ni o ṣe mọ yan foliteji MOV ti o tọ? Maṣe yọ ara rẹ lẹnu, jẹ ki a ṣe itọsọna fun ọ lati yan iyatọ to tọ.
Jẹ ki a wo awọn iṣiro imọ-ẹrọ MOV ni akọkọ, ṣe atokọ bi isalẹ.
Irin-iṣẹ Orisirisi Irin (MOV) Awọn wiwọn imọ-ẹrọ
| awoṣe | Iṣẹ iṣe TA= + 25 ℃ | Iye ti o ni iwọn T = + 85 ℃ | ||||||||
| Foliteji Varistor | Standard ifarada | Idiwọn foliteji ni Mo.P (8 / 20μs) | Capacitance (1kHz) | Max. lemọlemọfún ṣiṣẹ foliteji (UC) | Agbara (2ms) | Idaduro lọwọlọwọ IMax (8 / 20μs) | won won agbara | |||
| VN (V) | . VN (±%) | VP (V) | IP (A) | C (pF) | VRMS (V) | VDC (V) | WMax (J) | IMax (A) | PMax (W) | |
| CJA34S-121 | 120 | 10 | 200 | 300 | 8000 | 75 | 100 | 230 | 40000 | 1.4 |
| CJA34S-201 | 205 | 10 | 340 | 300 | 7900 | 130 | 170 | 310 | 40000 | 1.4 |
| CJA34S-221 | 220 | 10 | 360 | 300 | 7200 | 140 | 180 | 340 | 40000 | 1.4 |
| CJA34S-241 | 240 | 10 | 395 | 300 | 6600 | 150 | 200 | 360 | 40000 | 1.4 |
| CJA34S-271 | 270 | 10 | 455 | 300 | 5600 | 175 | 225 | 390 | 40000 | 1.4 |
| CJA34S-331 | 330 | 10 | 550 | 300 | 5000 | 210 | 275 | 430 | 40000 | 1.4 |
| CJA34S-361 | 360 | 10 | 595 | 300 | 4400 | 230 | 300 | 460 | 40000 | 1.4 |
| CJA34S-391 | 390 | 10 | 650 | 300 | 4100 | 250 | 320 | 490 | 40000 | 1.4 |
| CJA34S-431 | 430 | 10 | 710 | 300 | 3800 | 275 | 350 | 550 | 40000 | 1.4 |
| CJA34S-471 | 470 | 10 | 775 | 300 | 3400 | 300 | 385 | 600 | 40000 | 1.4 |
| CJA34S-511 | 510 | 10 | 840 | 300 | 3200 | 320 | 410 | 640 | 40000 | 1.4 |
| CJA34S-561 | 560 | 10 | 915 | 300 | 2900 | 350 | 460 | 710 | 40000 | 1.4 |
| CJA34S-621 | 620 | 10 | 1025 | 300 | 2600 | 385 | 505 | 800 | 40000 | 1.4 |
| CJA34S-681 | 680 | 10 | 1120 | 300 | 2400 | 420 | 560 | 910 | 40000 | 1.4 |
| CJA34S-751 | 750 | 10 | 1240 | 300 | 2200 | 460 | 615 | 960 | 40000 | 1.4 |
| CJA34S-781 | 780 | 10 | 1290 | 300 | 2100 | 485 | 640 | 930 | 40000 | 1.4 |
| CJA34S-821 | 820 | 10 | 1355 | 300 | 2000 | 510 | 670 | 940 | 40000 | 1.4 |
| CJA34S-911 | 910 | 10 | 1500 | 300 | 1800 | 550 | 745 | 960 | 40000 | 1.4 |
| CJA34S-951 | 950 | 10 | 1500 | 300 | 1700 | 580 | 760 | 1000 | 40000 | 1.4 |
| CJA34S-102 | 1000 | 10 | 1650 | 300 | 1600 | 625 | 825 | 1040 | 40000 | 1.4 |
| CJA34S-112 | 1100 | 10 | 1815 | 300 | 1500 | 680 | 895 | 1100 | 40000 | 1.4 |
| CJA34S-122 | 1200 | 10 | 2000 | 300 | 1300 | 750 | 970 | 1200 | 40000 | 1.4 |
| CJA34S-142 | 1400 | 10 | 2290 | 300 | 1100 | 880 | 1150 | 1300 | 40000 | 1.4 |
| CJA34S-162 | 1600 | 10 | 2550 | 300 | 1000 | 900 | 1200 | 1400 | 40000 | 1.4 |
| CJA34S-182 | 1800 | 10 | 2800 | 300 | 900 | 1000 | 1300 | 1500 | 40000 | 1.4 |
Ti o ba fẹ paṣẹ SLP40-275 / 4 (UC = 275Vac, IMAX = 40kA), jọwọ wo tabili (a sọ ni pupa), ọwọn ti Max. lemọlemọfún ṣiṣẹ foliteji (UC) - VRMS (V), wa data 275V, a yoo wa awoṣe jẹ CJA34S-431.
PS
CJ: tumọ si ami iyasọtọ CJ.
A: tumọ si AC
34S: tumọ si 34mm onigun mẹrin
431: tumọ si folti varistor jẹ 430V
Lẹhin yiyan varideor oxide irin (MOV), a tun nilo lati fiyesi si bawo ni a ṣe le gbe sinu ile SPD. ọna meji wa:
A. Idaabobo varistor ti a bo, ti a bo nigbagbogbo pẹlu awọ alawọ tabi awọ bulu fun ẹri-ọrinrin.
B. Diẹ ninu olupese SPDs lo varistor ihoho pẹlu contactor, o nilo lilo resini iposii si ifibọ. Nilo lati mọ resini iposii kii ṣe ore-ayika, olokiki SPDs ami iyasọtọ ko ṣe bẹ diẹ sii.
C. Fun dinku iye owo, diẹ ninu olupese SPDs lo oniruru iyatọ lati rọpo iyatọ 34S, jẹ ki a mu apẹẹrẹ kan, ti o ba fẹ ra awọn SPD didara, nireti lọwọlọwọ idasilẹ Ipinle (8 / 20μs) / 20μs) Imax = 8kA, o yẹ ki o lo 20S varistor (40 tumọ si 34mm; "S" tumọ si onigun mẹrin), ṣugbọn wọn lo iyatọ kekere bii 34D, 34D, 20D lati rọpo 25S. Ṣe atokọ awọn data imọ-ẹrọ varistors wọnyi bi isalẹ:
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn MOV | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 5 kA | 20D 20MM D: opin |  |
| Iwọn idasilẹ to pọ julọ (8 / 20μs) Imax | 10 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn MOV | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 10 kA | 25D 25MM D: opin |  |
| Iwọn idasilẹ to pọ julọ (8 / 20μs) Imax | 20 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn MOV | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | 34S 34MM S: onigun mẹrin |  |
| Iwọn idasilẹ to pọ julọ (8 / 20μs) Imax | 40 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn MOV | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | 34S 34MM S: onigun mẹrin |  |
| Lọwọlọwọ Lightning impulse (10 / 350μs) Iimp | 7 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn MOV | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | 48S 48MM |  |
| Lọwọlọwọ Lightning impulse (10 / 350μs) Iimp | 12,5 kA |
(1.2) Nigbati o ba yan GDT idasilẹ Gas fun ọpa NPE, nilo lati fiyesi si
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn GDT | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 10 kA | Opin: 8mm |  |
| Iwọn idasilẹ to pọ julọ (8 / 20μs) Imax | 20 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn GDT | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | Opin: 16mm |  |
| Iwọn idasilẹ to pọ julọ (8 / 20μs) Imax | 40 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn GDT | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | Opin: 30mm |  |
| Lọwọlọwọ Lightning impulse (10 / 350μs) Iimp | 25 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn GDT | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | Opin: 30mm |  |
| Lọwọlọwọ Lightning impulse (10 / 350μs) Iimp | 50 kA |
| jijẹmọ data | Gbigba lọwọlọwọ | Iwọn GDT | Photo |
| Isan iṣan ti kii ṣe deede (8 / 20μs) In | 20 kA | Opin: 30mm |  |
| Lọwọlọwọ Lightning impulse (10 / 350μs) Iimp | 100 kA |
(1.3) Apẹrẹ eto inu
Awọn SPD pupọ pupọ lọpọlọpọ ni ọja, iwọ yoo rii pe o kun julọ aṣa eto inu inu ara ni apọjuwọn apẹrẹ: aṣa Dehn ati aṣa OBO
OBO ara:
nigbati ṣiṣan ṣiṣan nla ti n bọ, iwọn ti apakan asopọ asopọ ti dín ju, ko le ṣe idiwọ lọwọlọwọ 40kA.
Dehn ara:
Ṣeun si apẹrẹ ti o ni oye, o le daju Imax = 40kA igbesoke lọwọlọwọ.
(1.4) Ilé ṣiṣu
ohun elo didara jẹ PA66 tabi ọra fun idena ina.
(1.5) Awọn ẹya irin, ohun elo irin akọkọ yẹ ki o jẹ irin tutu, kii ṣe irin.
OBO ara lo awọn ẹya irin irin:
Dehn ara lo awọn ẹya irin tutu.
(1.6) Awọn ohun elo aabo ti agbegbe
Diẹ ninu ile-iṣẹ nlo resini iposii lati fi edidi di. Epoxy resini jẹ ellyrùn ati pe ko dara fun aabo ayika ati ilera.
A lo ipin ti a bo ti o yatọ, ko nilo resini iposii, o dara julọ fun aabo ayika.
2. Adaṣiṣẹ iṣelọpọ
Awọn ẹya irin sopọ pẹlu MOV (varistor) yẹ ki o jẹ alurinmorin ni igbẹkẹle. ti o ba ti alurinmorin Afowoyi, o ni rọọrun ṣẹlẹ insufficient solder. Nitorinaa alurinmorin laifọwọyi le pa aitasera didara ọja. https://www.youtube.com/watch?v=RHwNJv8hobE
3. yàrá ati idanwo
Gẹgẹbi olupilẹṣẹ SPDs, gbọdọ ni gbogbo awọn ohun elo idanwo ti a ṣeto lati ṣe idanwo ọja boya ibaramu pọ si:
| awọn ajohunše | awọn ohun | Sọri idanwo / Ẹka Idanwo |
| IEC61643-11: 2011 | AC SPDs | Kilasi I, I + II, II, II + III |
| EN61643-11: 2012 | AC SPDs | Tẹ 1, 1 + 2, 2, 2 + 3 / T1, T1 + T2, T2, T2 + T3 |
| IEC61643-31: 2018 | Awọn SPD PV | Kilasi I + II, II |
| EN50539-11: 2013 | Awọn SPD PV | Tẹ 1 + 2, Tẹ 2 / T1 + T2, T2 |
Awọn iṣedede AC ati isọri idanwo:
| EN 61643-11: 2012 | IEC 61643-11: 2011 | VDE 0675-6-11: 2002 | In (80 / 20μs) | Imax (8 / 20μs) | Iimp (10 / 350μs) | Uoc (1.2 / 50μs) |
| T1 | Kilasi I | Kilasi B | 25 kA | 65 kA | 25 kA | / |
| T1 + T2 | Ipele I + II | Kilasi B + C | 12.5 ~ 20 kA | 50 kA | 7 kA | / |
| 12.5kA | ||||||
| T2 | Kilasi II | Kilasi C | 20 kA | 40kA | / | / |
| T2 + T3 (tabi T3) | Kilasi II + III (tabi III) | Kilasi C + D (tabi D) | 10 kA | 20kA | / | 10 kV 6 kV |
Awọn ajohunše PV SPDs ati isọri idanwo:
| EN 50539-11: 2013 | IEC 61643-31: 2018 | VDE 0675-39-11: 2013 | In (80 / 20μs) | Imax (8 / 20μs) | Iimp (10 / 350μs) |
| T1 + T2 | Ipele I + II | Kilasi B + C | 20 kA | 40 kA | 6.25 kA / polu Ilapapọ:12.5kA |
| T2 | Kilasi II | Kilasi C | 20 kA | 40kA | / |
A ni atokọ awọn ohun elo idanwo bi isalẹ:
(1) Olupese monomono (Imax to 150kA [8 / 20μs]; Iimp to 25kA [10 / 350μs])
(2) Ipele igbi agbara fọọmu idapọmọra 1.2 / 50μs & monomono lọwọlọwọ (Uoc: 6kV [1.2 / 50μs]; Imax 4kA [8 / 20μs])
(3) Idanwo iduroṣinṣin ti Gbona
4. Iṣakoso idanileko
5. Ijẹrisi:
- Ohun elo: RoHS
- Iṣakoso: ISO9001: 2015
- Idaabobo Ayika: ISO14001: 2015
- Igbelewọn Ilera ati Aabo Iṣẹ iṣe: OHSAS18001
- Ijabọ iru iru aṣẹ aṣẹ ati ijẹrisi, bii 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 International Standard - Ṣe Awọn Ẹrọ Idaabobo Rẹ (SPDs) ni idanwo ati ibaramu?
Awọn Ẹrọ Idaabobo Giga Gbọdọ Pade Awọn Ilana
IEC 61643-11: 2011 / EN 61643-11: 2012 Awọn ẹrọ aabo igbi agbara folti-Apakan 11 Awọn ẹrọ aabo Iboju ti o sopọ si awọn ọna agbara folti-kekere - Awọn ibeere ati awọn ọna idanwo
Awọn ẹrọ aabo gbaradi (SPDs) gbọdọ pese awọn iṣẹ aabo ti a ṣalaye ati awọn aye iṣe lati le baamu fun lilo ninu awọn imọran aabo ti o baamu. Bii iru eyi, wọn dagbasoke, ni idanwo, ati pinpin ni ibamu si lẹsẹsẹ ti kariaye tiwọn ti awọn ajohunše ọja.
Awọn ẹrọ aabo gbaradi ti a sopọ si awọn ọna agbara folti-kekere ni o tẹriba awọn ibeere ati awọn ọna idanwo ti a ṣalaye nipasẹ IEC 61643-11 tuntun: 2011 / EN 61643-11: 2012 International Standard.
Ami gidi ti didara jẹ ijẹrisi ọja ati ifọwọsi lati ile-iṣẹ idanwo ominira. Eyi jẹrisi imuṣẹ ti boṣewa ipo-ọja ọja titun lati rii daju aabo to ga julọ ati iduroṣinṣin ti awọn SPD. Awọn ibeere ilana ti a gbe sori awọn SPD nigbagbogbo nilo awọn idanwo idiju giga ti o jẹ pe awọn kaarun idanwo diẹ ni agbaye ni agbara kikun lati ṣe.
Bawo ni o ṣe mọ?
Didara ati iṣẹ ti awọn ẹrọ aabo gbaradi nira fun alabara lati ṣe ayẹwo. Ṣiṣẹ to tọ le ni idanwo nikan ni awọn kaarun to dara. Yato si irisi ita ati awọn haptics, data imọ-ẹrọ nikan ti olupese ti pese le pese itọsọna eyikeyi. Paapaa pataki julọ jẹ alaye igbẹkẹle lati ọdọ olupese & iwe-ẹri / ifọwọsi nipa iṣe ti SPD ati ipaniyan awọn idanwo ti a ṣalaye ni boṣewa ọja oniwun lati jara IEC 61643-11: 2011 / EN 61643-11: 2012
Ṣe atokọ ijẹrisi ti o baamu si awọn ajohunše
| awọn ajohunše | Sọri idanwo | iwe eri |
| IEC 61643-11: 2011 | Kilasi I, I + II, II, II + III | CB |
| EN 61643-11: 2012 | T1, T1 + T2, T2, T2 + T3 | TUV-ami, KEMA, CE |
| UL 1449 kẹrin | T1, T2, T3, T4, T5 | UL, ETL, cTUVus |
6. Akoko iforukọsilẹ ile-iṣẹ ati laini ọja akọkọ.
(6.1) Yẹ ki o ṣayẹwo iwe-aṣẹ iṣowo ti olupese, aifọwọyi igba pipẹ lori ina ati aaye aabo gbaradi, o tumọ si pe ile-iṣẹ jẹ amọja diẹ sii.
(6.2) Laini ọja akọkọ. alamọja ọjọgbọn yẹ ki o dojukọ manamana ati aaye aabo gbaradi. Laini ọja le ni:
A. Eto ipese agbara AC ati DC gbaradi awọn ẹrọ aabo
B. Olugbeja gbaradi laini data / ifihan agbara
C. Awọn ẹrọ aabo idapọ coaxial RF RF
D. Rod Lighting, ounka iṣẹlẹ monomono, ọpá ilẹ, adaorin isalẹ ati be be lo.
7. Atilẹyin ọja
Ami olokiki bii Dehn, OBO, wọn pese atilẹyin ọja ọdun 5. ti olupese ba rii daju pe wọn pese ọja didara, o yẹ ki o pese atilẹyin ọja ọdun 3-5.
8. Package
Eyikeyi iyasọtọ ile-iṣẹ tabi OEM, oluṣelọpọ yẹ ki o pese ontẹ ti o yẹ (serigraphy), package (paali ati apoti), iwe tabi iwe itọnisọna itanna (awọn ilana fifi sori ẹrọ)
Bii o ṣe le yan ẹrọ aabo SPD olupese, Awọn aaye pataki 8 wọnyi ti rira ẹrọ aabo gbaradi pipọ lati Ilu China, nireti pe o wulo.
A jẹ ile-iṣẹ ẹbi lati ati ti n pese awọn ẹrọ aabo gbaradi (SPD) ni agbaye fun diẹ sii ju ọdun 10. A ni iwadi ti ara wa & idagbasoke, iṣelọpọ, atilẹyin imọ ẹrọ ati yàrá idanwo bi daradara.
LSP ti wa ni iṣelọpọ kii ṣe fun awọn ile gbigbe ati ti kii ṣe ibugbe nikan, ṣugbọn tun fun awọn ohun elo ile-iṣẹ gẹgẹbi awọn opo gigun ti epo, awọn opo gigun gaasi, awọn fọto fọto, awọn ibudo agbara ati awọn oju-irin oju irin. Awọn ọja wa daabobo lati gbaradi ọpọlọpọ awọn imọ-ẹrọ, awọn ẹrọ, awọn ohun elo ati ẹrọ itanna ni gbogbo agbaye.
A tun dagbasoke ati ṣe awọn ẹrọ ibojuwo idabobo (IMD) fun awọn nẹtiwọọki ipese agbara IT ti ya sọtọ. A pese okeerẹ, eka A si Z ojutu fun ibojuwo ti ipo idabobo ni awọn ile iwosan, ile-iṣẹ ati awọn ohun elo pataki.
A ko ṣe dibọn pe a le ṣe ohun gbogbo, Ti o ba ni ibeere eyikeyi ati imọran nipa awọn nkan SPDs, ẹgbẹ wa ti awọn onimọ-ẹrọ ti oye yoo ni idunnu lati dahun awọn ibeere rẹ ati rii ọja ti o dara julọ fun ọ
