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Manufar Matsayin Masu Rage Wuta

Gwajin kimanta masu hana harshen wuta hanya ce da ake amfani da ita don tantance ikon abu na tsayayya da yaɗuwar harshen wuta. Ka'idojin gama gari sun haɗa da UL94, IEC 60695-11-10, da GB/T 5169.16. A cikin daidaitaccen UL94,Gwaji don Sauƙin ƙonewa na Kayan Roba don Sassan Na'urori da Kayan Aiki, an rarraba ƙimar hana harshen wuta zuwa matakai 12 bisa ga ƙarfin gwajin da aikace-aikacensa: HB, V-2, V-1, V-0, 5VA, 5VB, VTM-0, VTM-1, VTM-2, HBF, HF1, da HF2.

Gabaɗaya, ƙimar hana harshen wuta da aka saba amfani da ita tana daga V-0 zuwa V-2, tare da V-0 yana nuna mafi kyawun aikin hana harshen wuta.

1.1 Ma'anoni na Ƙimar Masu Rage Wuta Huɗu

HB (Ƙona Kwance):
Ƙimar HB ta nuna cewa kayan yana ƙonewa a hankali amma ba ya kashe kansa. Shi ne mafi ƙanƙanta a cikin UL94 kuma yawanci ana amfani da shi lokacin da hanyoyin gwaji na tsaye (V-0, V-1, ko V-2) ba su dace ba.

V-2 (Ƙona a Tsaye - Mataki na 2):
Matsayin V-2 yana nufin cewa kayan za a yi gwajin harshen wuta na daƙiƙa 10 a tsaye. Bayan an cire harshen wutar, lokacin ƙonewar kayan bai wuce daƙiƙa 30 ba, kuma yana iya kunna audugar da aka sanya a ƙasa da santimita 30. Duk da haka, harshen wutar bai kamata ya bazu sama da layin da aka yiwa alama ba.

V-1 (Ƙona a Tsaye - Mataki na 1):
Matsayin V-1 yana nufin cewa kayan za a yi gwajin harshen wuta na tsawon daƙiƙa 10 a tsaye. Bayan an cire harshen wutar, lokacin ƙonewar kayan bai wuce daƙiƙa 30 ba, kuma harshen wutar bai kamata ya bazu sama da layin da aka yiwa alama ko kuma ya kunna audugar da aka sanya a ƙasa da santimita 30 ba.

V-0 (Ƙona a Tsaye - Mataki na 0):
Matsayin V-0 yana nufin cewa kayan za a yi gwajin harshen wuta na daƙiƙa 10 a tsaye. Bayan an cire harshen wutar, lokacin ƙonewar kayan bai wuce daƙiƙa 10 ba, kuma harshen wutar bai kamata ya bazu sama da layin da aka yiwa alama ko kuma ya kunna audugar da aka sanya a ƙasa da santimita 30 ba.

1.2 Gabatarwa ga Wasu Ƙimar Masu Hana Wuta

5VA da 5VB suna cikin rarrabuwar gwajin ƙonewa a tsaye ta amfani da harshen wuta na gwaji na 500W (tsayin harshen wuta 125mm).

5VA (Ƙona a Tsaye - Mataki na 5VA):
Matsayin 5VA rarrabuwa ce a cikin ma'aunin UL94. Yana nuna cewa bayan an cire harshen wuta, lokacin ƙona kayan bai wuce daƙiƙa 60 ba, harshen wuta bai kamata ya bazu sama da layin da aka yiwa alama ba, kuma duk wani harshen wuta mai diga bai kamata ya wuce daƙiƙa 60 ba.

5VB (Ƙona a Tsaye - Mataki na 5VB):
Matsayin 5VB yayi kama da 5VA, tare da ma'auni iri ɗaya don lokacin ƙonawa da yaɗuwar harshen wuta.

VTM-0, VTM-1, VTM-2 rarrabuwa ce ga kayan da ba su da kauri (kauri < 0.025mm) a gwaje-gwajen ƙonawa a tsaye (tsayin harshen wuta 20mm), waɗanda suka dace da fina-finan filastik.

VTM-0 (Ƙone Tire a Tsaye – Mataki na 0):
Matsayin VTM-0 yana nufin cewa bayan an cire harshen wuta, lokacin ƙona kayan bai wuce daƙiƙa 10 ba, kuma harshen wuta bai kamata ya bazu sama da layin da aka yi wa alama ba.

VTM-1 (Ƙone Tire a Tsaye - Mataki na 1):
Matsayin VTM-1 yana nufin cewa bayan an cire harshen wuta, lokacin ƙona kayan bai wuce daƙiƙa 30 ba, kuma harshen wuta bai kamata ya bazu sama da layin da aka yi wa alama ba.

VTM-2 (Ƙone Tire a Tsaye – Mataki na 2):
Matsayin VTM-2 yana da irin wannan ma'auni kamar VTM-1.

HBF, HF1, HF2 rarrabuwa ce don gwaje-gwajen ƙonawa a kwance akan kayan da aka yi da kumfa (tsayin harshen wuta 38mm).

HBF (Kayan Kumfa Mai Konewa a Kwance):
Ƙimar HBF tana nufin cewa saurin ƙonewar kayan da aka yi da kumfa bai wuce 40 mm/min ba, kuma dole ne wutar ta mutu kafin ta kai layin da aka yiwa alama da 125mm.

HF-1 (Ƙona Kwance - Mataki na 1):
Matsayin HF-1 yana nufin cewa bayan an cire harshen wuta, lokacin ƙona kayan bai wuce daƙiƙa 5 ba, kuma harshen wuta bai kamata ya bazu sama da layin da aka yi wa alama ba.

HF-2 (Ƙona Kwance - Mataki na 2):
Matsayin HF-2 yana nufin cewa bayan an cire harshen wuta, lokacin ƙona kayan bai wuce daƙiƙa 10 ba, kuma harshen wuta bai kamata ya bazu sama da layin da aka yi wa alama ba.

Manufar Gwajin Ƙimar Masu Rage Wuta

Manufofin gwajin ƙimar hana harshen wuta sun haɗa da:

2.1 Kimanta Aikin Konewa na Kayan Aiki

Tantance saurin ƙonewar abu, yaɗuwar harshen wuta, da yaɗuwar wuta a ƙarƙashin yanayin wuta yana taimakawa wajen tantance amincinsa, amincinsa, da kuma dacewarsa ga aikace-aikacen da ba sa jure wa wuta.

2.2 Tantance Ƙarfin Mai Rage Wuta

Gwaji yana gano ikon abu na kashe harshen wuta idan aka fallasa shi ga tushen wuta, wanda yake da mahimmanci don hana ƙaruwar gobara da kuma rage lalacewa.

2.3 Jagorar Zaɓin Kayan Aiki da Amfani da su

Ta hanyar kwatanta halayen kayan aiki daban-daban na hana harshen wuta, gwaji yana taimakawa wajen zaɓar kayan da suka dace don gini, sufuri, kayan lantarki, da sauran fannoni don inganta tsaron wuta.

2.4 Bin Dokoki da Ka'idoji

Ana yin gwajin hana harshen wuta bisa ga ƙa'idodin ƙasa ko na masana'antu. Yana tabbatar da cewa kayan sun cika ƙa'idodin aminci da bin ƙa'idodi don takamaiman aikace-aikace.

A taƙaice, gwajin ƙimar masu hana harshen wuta yana ba da mahimman bayanai don zaɓar kayan aiki, haɓaka tsaron wuta, da bin ƙa'idodi ta hanyar kimanta halayen ƙonewa da juriyar harshen wuta.

Ma'aunin Shaida

UL94:Gwaji don Sauƙin ƙonewa na Kayan Roba don Sassan Na'urori da Kayan Aiki
IEC 60695-11-10:2013: *Gwajin Haɗarin Gobara - Kashi na 11-10: Harshen Wutar Gwaji - 50 W Hanyoyin Gwajin Harshen Wutar A kwance da Tsaye*
GB/T 5169.16-2017: *Gwajin Hatsarin Gobara don Kayayyakin Wutar Lantarki da na Lantarki - Kashi na 16: Harshen Wutar Gwaji - Hanyoyin Gwajin Harshen Wuta Mai Kwance da Tsaye 50W*

Hanyoyin Gwaji don HB, V-2, V-1, da V-0

4.1 Ƙona Kwance (HB)

4.1.1 Bukatun Samfura

Siffa: Takardu (yanke, siminti, fitar da su, da sauransu) tare da gefuna masu santsi, saman da aka tsaftace, da kuma yawansu iri ɗaya.
Girma: 125±5mm (tsawo) × 13±0.5mm (faɗi). Ana buƙatar samfuran kauri mafi ƙanƙanta da 3mm sai dai idan kauri ya wuce 3mm. Matsakaicin kauri ≤13mm, faɗi ≤13.5mm, radius na kusurwa ≤1.3mm.
Nau'ikan samfura: Wakiltar samfuran launuka/yawan abubuwa daban-daban.
Adadi: Mafi ƙarancin saiti 2, samfura 3 a kowane saiti.

4.1.2 Tsarin Gwaji

Alamar: Layuka 25±1mm da 100±1mm.
Mannewa: Riƙe kusa da ƙarshen 100mm, a kwance a tsawonsa, faɗinsa 45° ± 2°, tare da ragar waya 100± 1mm a ƙasa.
Wuta: Gudun methane 105ml/min, matsin lamba na baya 10mm ginshiƙin ruwa, tsayin harshen wuta 20±1mm.
Kunna Wuta: A shafa harshen wuta a 45° na 30±1s ko har sai ƙonewa ta kai 25mm.
Lokaci: Lokacin rikodi da tsawon ƙonewa (L) daga 25mm zuwa 100mm.
Lissafi: Gudun ƙonawa (V) = 60L/t (mm/min).

4.1.3 Bayanan Gwaji

Ko harshen wuta ya kai 25±1mm ko 100±1mm.
Tsawon da aka ƙone (L) da lokaci (t) tsakanin 25mm da 100mm.
Idan harshen wuta ya wuce 100mm, rikodin lokacin daga 25mm zuwa 100mm.
An ƙididdige saurin ƙonawa.

4.1.4 Ka'idojin Ƙimar HB

Don kauri 3–13mm: Gudun ƙonewa ≤40mm/min sama da tsawon 75mm.
Don kauri <3mm: Gudun ƙonewa ≤75mm/min sama da tsawon 75mm.
Dole ne harshen wuta ya tsaya kafin 100mm.

4.2 Ƙona Tsaye (V-2, V-1, V-0)

4.2.1 Bukatun Samfura

Siffa: Takardu masu gefuna masu santsi, saman da aka tsaftace, da kuma yawansu iri ɗaya.
Girma: 125±5mm × 13.0±0.5mm. A samar da samfuran kauri na minti/mafi girma; idan sakamakon ya bambanta, ana buƙatar samfuran matsakaici (tsawon ≤3.2mm).
Nau'ikan samfura: Wakiltar samfuran launuka/yawan abubuwa daban-daban.
Adadi: Mafi ƙarancin saiti 2, samfura 5 a kowane saiti.

4.2.2 Samfurin Sharaɗi

Daidaitacce: 23±2°C, 50±5% RH na tsawon awanni 48; gwada cikin mintuna 30 bayan cirewa.
Tanda: 70±1°C na ≥168h, sannan a sanyaya a cikin injin busar da ruwa na ≥4h; a gwada cikin minti 30.

4.2.3 Tsarin Gwaji

Matsewa: Riƙe saman 6mm, a tsaye, ƙasa 300±10mm sama da auduga (0.08g, 50×50mm, kauri ≤6mm).
Wuta: Gudun methane 105ml/min, matsin lamba na baya 10mm ginshiƙin ruwa, tsayin harshen wuta 20±1mm.
Kunna Wuta: A shafa harshen wuta a gefen ƙasan samfurin (nisan 10±1mm) na tsawon 10±0.5s. A daidaita idan samfurin ya lalace.
Lokaci: Yi rikodin bayan wuta (t1) bayan kunna wuta ta farko, sake amfani da harshen wuta na 10±0.5s, sannan ka yi rikodin bayan wuta (t2) da bayan haske (t3).
Bayani: Idan digo ya yi, karkatar da na'urar ƙona wuta zuwa 45°. Yi watsi da samfurori idan harshen wuta ya mutu saboda fitar iskar gas.