Labarai - Gwajin Mitar Lantarki na Linyang

Linyang yana aiwatar da ayyuka daban-dabanmita wutar lantarkigwaje-gwaje don tabbatar da ingancin mita ya cika ka'idodin duniya.Za mu gabatar da manyan gwaje-gwajenmu kamar haka:

1. Gwajin Tasirin Yanayi

Yanayin yanayi
NOTE 1 Wannan ƙaramin juzu'in ya dogara ne akan IEC 60068-1: 2013, amma tare da ƙimar da aka ɗauka daga IEC 62052-11: 2003.
Madaidaicin kewayon yanayin yanayi don aiwatar da aunawa da gwaje-gwaje dole ne
zama kamar haka:
a) yanayin zafi: 15 °C zuwa 25 °C;
A cikin ƙasashe masu yanayin zafi, masana'anta da dakin gwaje-gwaje na iya yarda su kiyaye
yanayin zafi tsakanin 20 ° C zuwa 30 ° C.
b) dangi zafi 45% zuwa 75%;
c) Matsin yanayi na 86 kPa zuwa 106 kPa.
d) Ba za a sami sanyi mai zafi ba, raɓa, ruwan sama, ruwan sama, hasken rana, da sauransu.
Idan sigogin da za a auna sun dogara da zafin jiki, matsa lamba da/ko zafi da
Ba a san ka'idar dogaro ba, yanayin yanayi don aiwatar da ma'auni
kuma gwaje-gwajen za su kasance kamar haka:
e) yanayin zafi: 23 °C ± 2 °C;
f) yanayin zafi 45% zuwa 55%.
NOTE 2 Ma'auni sun fito daga IEC 60068-1: 2013, 4.2, haƙuri mai faɗi don zafin jiki da kewayon zafi.

Yanayin kayan aiki
Gabaɗaya
NOTE Subclause 4.3.2 ya dogara ne akan IEC 61010-1: 2010, 4.3.2, wanda aka gyara kamar yadda ya dace don aunawa.
Sai dai in an kayyade, kowace gwaji za a yi a kan kayan aikin da aka haɗa don
amfani na yau da kullun, kuma a ƙarƙashin mafi ƙarancin ingantacciyar haɗuwa da yanayin da aka bayar a cikin 4.3.2.2 zuwa
4.3.2.10.Idan akwai shakka, za a yi gwaje-gwaje a cikin fiye da ɗaya haɗuwa
Sharuɗɗa
Don samun damar yin wasu gwaje-gwaje, kamar gwaji a yanayin kuskure ɗaya, tabbatarwa
sharewa da nisan rarrafe ta hanyar aunawa, sanya thermocouples, dubawa
lalata, ana iya buƙatar samfur na musamman da aka shirya kuma / ko yana iya zama dole a yanke
samfurin da aka rufe har abada yana buɗe don tabbatar da sakamakon

A. Gwajin zafi mai girma

Shiryawa: babu shiryawa, gwaji a yanayin rashin aiki.

Gwajin zafin jiki: Gwajin gwajin shine +70 ℃, kuma kewayon haƙuri shine ± 2 ℃.

Lokacin gwaji: 72 hours.

Hanyoyin gwaji: An sanya teburin samfurin a cikin akwatin gwajin zafin jiki mai zafi, mai tsanani zuwa + 70 ℃ a ƙimar da ba ta wuce 1 ℃ / min ba, ana kiyaye shi don 72 hours bayan daidaitawa, sa'an nan kuma sanyaya zuwa yanayin zafin jiki a cikin ƙimar da ba ta girma ba. fiye da 1 ℃/min.Sa'an nan, an duba bayyanar mita kuma an gwada kuskuren asali.

Ƙayyade sakamakon gwajin: bayan gwajin, bai kamata a sami lalacewa ko canjin bayanai ba kuma mita na iya aiki daidai.

B. Gwajin ƙarancin zafin jiki

Shiryawa: babu shiryawa, gwaji a yanayin rashin aiki.

Gwajin zafin jiki

-25 ± 3 ℃ (mita lantarki na cikin gida), -40 ± 3 ℃ (mitar wutar lantarki ta waje).

Gwajin lokaci:Awanni 72 (wattmeter na cikin gida), awanni 16 (wattmeter na waje).

Hanyoyin gwaji: An sanya mitocin wutar lantarki da ke ƙarƙashin gwajin a cikin ɗakin gwaji mai ƙarancin zafi.Dangane da nau'in mita na cikin gida / waje, an sanyaya su zuwa -25 ℃ ko -40 ℃ a ƙimar da ba ta fi 1℃/min ba.Bayan an daidaita su, an ajiye su na tsawon sa'o'i 72 ko 16, sannan a tashe su zuwa yanayin zafin da bai wuce 1 ℃/min ba.

Ƙayyade sakamakon gwajin: bayan gwajin, bai kamata a sami lalacewa ko canjin bayanai ba kuma mita na iya aiki daidai.

C. Damp Heat Cyclic Test

Shiryawa: babu shiryawa.

Matsayi: Da'irar wutar lantarki da da'irar taimako buɗe don tunani irin ƙarfin lantarki, da'irar yanzu tana buɗe

Madadin yanayin: Hanyar 1

Gwajin zafin jiki:+ 40 ± 2 ℃ (wattmeter na cikin gida), + 55 ± 2 ℃ (wattmeter na waje).

 Lokacin gwaji: hawan keke 6 (zagaye 1 24 hours).

 Hanyar gwaji: Ana sanya mitar wutar lantarki da aka gwada a cikin madaidaicin yanayin zafi da akwatin gwajin zafi, kuma ana daidaita zafin jiki da zafi ta atomatik gwargwadon yanayin yanayin zafi da yanayin yanayin zafi.Bayan kwanaki 6, an mayar da dakin zafin jiki da zafi zuwa yanayin zafi da zafi kuma ya tsaya na awanni 24.Sa'an nan, an duba bayyanar na'urar lantarki kuma an gudanar da gwajin ƙarfin rufewa da gwajin kuskure na asali.

Sakamakon gwajin ya nuna cewa bai kamata a ruguje murfin na'urar makamashin lantarki ba (matsalolin bugun jini shine sau 0.8 na amplitude da aka ƙayyade), kuma na'urar lantarki ba ta da lalacewa ko canjin bayanai kuma tana iya aiki daidai.

D. Kariya Daga Radiation Solar

Shiryawa: babu shiryawa, babu yanayin aiki.

Gwajin zafin jiki: Babban iyakar zafin jiki shine +55 ℃.

Lokacin gwaji: hawan keke 3 (kwanaki 3).

Hanyar gwaji: Lokacin haskakawa shine sa'o'i 8, kuma lokacin baƙar fata shine sa'o'i 16 don sake zagayowar daya (ƙarfin radiation shine 1.120kW / m2 ± 10%).

Hanyar gwaji: Sanya mitar wutar lantarki akan madaidaicin kuma raba shi da sauran mitocin wutar lantarki don gujewa toshe tushen radiation ko babban zafi mai haskakawa.Ya kamata a sanya shi a cikin akwatin gwajin hasken rana na tsawon kwanaki 3.A lokacin da iska mai iska, zafin jiki a cikin dakin gwaji yana tashi zuwa kuma ya kasance a babban iyakar zafin jiki +55 ℃ a ƙimar kusa da layi.A lokacin lokacin tsayawar haske, zafin jiki a cikin dakin gwaji yana raguwa zuwa +25 ℃ a kusan layin layi, kuma zafin jiki ya kasance barga.Bayan gwajin, yi duba na gani.

Sakamakon gwajin ya nuna cewa bayyanar na'urar lantarki, musamman ma bayyananniyar alamar, bai kamata ya canza ba a fili, kuma nuni ya kamata ya yi aiki akai-akai.

2. Gwajin Kariya

Kayan aikin awo za su dace da matakan kariya da aka bayar a ciki
IEC 60529: 1989:
• mita na cikin gida IP51;
Copyright International Electrotechnical Commission
IHS ne ke bayarwa ƙarƙashin lasisi tare da IEC
Babu haifuwa ko sadarwar da aka halatta ba tare da lasisi daga IHS Ba don Sake siyarwa ba, 02/27/2016 19:23:23 MST
IEC 62052-31: 2015 © IEC 2015 - 135 -
NOTE 2 Mita sanye take da masu karɓar alamar biyan kuɗi na zahiri don amfanin cikin gida ne kawai, sai dai
in ba haka ba kayyade ta manufacturer.
• Mita na waje: IP54.
Don mitoci masu ɗorawa, inda panel ɗin ke ba da kariya ta IP, ƙimar IP ta shafi
sassan mita da aka fallasa a gaban (a waje) na wutar lantarki.
NOTE sassa 3 Mita a bayan panel na iya samun ƙananan ƙimar IP, misali IP30.

A: Gwajin tabbatar da kura

Matsayin kariya: IP5X.

Yashi da ƙurar ƙura, wato, ƙura ba za a iya hana shi gaba ɗaya daga shiga ba, amma adadin ƙurar da ke shiga dole ne ya shafi aikin al'ada na mita wutar lantarki, kada ya shafi aminci.

Abubuwan da ake buƙata don yashi da ƙura: busassun talc wanda za'a iya tacewa ta hanyar ramin ramin murabba'i mai diamita na 75 m da diamita na waya 50 m.Matsakaicin ƙura shine 2kg/m3.Don tabbatar da cewa ƙurar gwajin ta faɗi daidai kuma a hankali akan na'urar gwajin wutar lantarki, amma matsakaicin ƙimar ba zai wuce 2m/s ba.

Yanayin muhalli a cikin dakin gwaji: zazzabi a cikin ɗakin shine +15 ℃ ~ + 35 ℃, kuma dangi zafi shine 45% ~ 75%.

Hanyar gwaji: Mitar wutar lantarki yana cikin yanayin da ba ya aiki (babu kunshin, babu wutar lantarki), an haɗa shi da kebul na simulators mai tsayi, an rufe shi da murfin tasha, an rataye shi a bangon simulated na na'urar gwajin ƙura, kuma ana ɗauka. fitar da gwajin yashi da ƙura, lokacin gwajin shine 8 hours.Jimlar girman mita watt-hour ba zai wuce 1/3 na tasiri mai tasiri na akwatin gwajin ba, yanki na kasa ba zai wuce 1/2 na yankin kwance mai tasiri ba, da nisa tsakanin mita watt-hour gwajin bangon ciki na akwatin gwajin kada ya zama ƙasa da 100mm.

Sakamakon gwajin: Bayan gwajin, adadin ƙurar da ke shiga mita watt-hour bai kamata ya shafi aikin mitar watt-hour ba, da kuma gudanar da gwajin ƙarfin rufewa akan mita watt-hour.

B: Ruwa - gwajin gwaji - mita wutar lantarki na cikin gida

Matsayin kariya: IPX1, digo a tsaye

Kayan aikin gwaji: kayan gwajin drip

Hanyar gwaji:Mitar watt-hour yana cikin yanayin rashin aiki, ba tare da marufi ba;

Ana haɗa mitar wutar lantarki zuwa kebul na analog mai tsayi kuma an rufe shi da murfin tasha;

Shigar da mitar wutar lantarki akan bangon analog kuma sanya shi akan tebur mai juyawa tare da saurin juyawa na 1r/min.Nisa (eccentricity) tsakanin axis na turntable da axis na lantarki mita ne game da 100mm.

Tsayin ɗigon ruwa shine 200mm, ramin ɗigo yana da murabba'i (20mm a kowane gefe) shimfidar shimfidar wuri, kuma adadin ruwan ɗigon ruwa shine (1 ~ 1.5) mm / min.

Lokacin gwaji shine 10min.

Sakamakon gwajin: bayan gwajin, adadin ruwan da ke shiga mita watt-hour bai kamata ya shafi aikin mitar watt-hour ba, kuma gudanar da gwajin ƙarfin rufewa akan mita watt-hour.

C: Ruwa - gwajin gwaji - mita lantarki na waje

Matsayin kariya: IPX4, drenching, splashing

Gwajin kayan aiki: bututu mai jujjuyawa ko kan sprinkler

Hanyar gwaji (tubun pendulum):Mitar watt-hour yana cikin yanayin rashin aiki, ba tare da marufi ba;

Ana haɗa mitar wutar lantarki zuwa kebul na analog mai tsayi kuma an rufe shi da murfin tasha;

Shigar da mitar wutar lantarki akan bangon simulation kuma sanya shi a kan benci na aiki.

Bututun pendulum yana jujjuya 180° tare da ɓangarorin biyu na layin tsaye tare da tsawon 12s ga kowane lilo.

Matsakaicin nisa tsakanin ramin fitarwa da saman mita watt-hour shine 200mm;

Lokacin gwaji shine 10min.

Sakamakon gwajin: bayan gwajin, adadin ruwan da ke shiga mita watt-hour bai kamata ya shafi aikin mitar watt-hour ba, kuma gudanar da gwajin ƙarfin rufewa akan mita watt-hour.

3. Gwajin Kwatancen Lantarki

Gwajin rigakafi na fitarwa na Electrostatic

Sharuɗɗan gwaji:Gwaji tare da kayan aikin tebur

Mitar watt-hour tana cikin yanayin aiki: layin wutar lantarki da layin taimako suna haɗe ta hanyar wutar lantarki da na yanzu

Bude kewayawa.

Hanyar gwaji:Fitar lamba;

Test irin ƙarfin lantarki: 8kV (iska fitarwa a 15kV gwajin ƙarfin lantarki idan babu karfe sassa da aka fallasa)

Lokacin fitarwa: 10 (a cikin mafi girman matsayi na mita)

 

 

Ƙayyadaddun sakamakon gwaji: yayin gwajin, mita bai kamata ya samar da canji mafi girma fiye da naúrar X ba kuma gwajin gwajin kada ya samar da semaphore mafi girma fiye da daidai na naúrar X.

Bayanan kula don kallon gwaji: mita ba ta faduwa ko aika bugun jini ba da gangan ba;Agogon ciki bai kamata ya zama kuskure ba;Babu lambar bazuwar, babu maye gurbi;Siffofin ciki ba su canzawa;Sadarwa, aunawa da sauran ayyuka za su kasance na al'ada bayan ƙarshen gwajin;Ya kamata a yi gwajin fitar da iska na 15kV a kan haɗin gwiwa tsakanin murfin babba da harsashi na ƙasa na kayan aiki.Kada janareta na lantarki ya ja baka a cikin mita.

B. Gwajin rigakafi zuwa Filayen RF na Electromagnetic

Yanayin gwaji

Gwaji tare da kayan aikin tebur

Tsawon kebul ɗin da aka fallasa zuwa filin lantarki: 1m

Kewayon mitar: 80MHz ~ 2000MHz

An daidaita shi tare da 80% amplitude mai daidaita girman jigilar jigilar kaya akan kalaman sine na 1kHz

Hanyar gwaji:Gwaji tare da halin yanzu

Layukan wutar lantarki da layukan taimako ana sarrafa su azaman wutar lantarki

Yanzu: Ib (In), cos Ф = 1 (ko zunubi Ф = 1)

Ƙarfin filin gwajin da ba a daidaita shi ba: 10V/m

Tabbatar da sakamakon gwajin: during gwajin, na'urar makamashin lantarki kada ta kasance cikin rikici kuma adadin canjin kuskure ya kamata ya dace da daidaitattun buƙatun.


Lokacin aikawa: Dec-23-2020