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行業動態 行業動態

廣州電子產品抽檢:不合格率的因素是這些

2016-04-11 作者: 瀏覽數:1071

2015年,廣州市工商(shang)局(ju)對(dui)在廣州市流通領域(yu)銷售的電子(zi)產品進行(xing)了質(zhi)量(liang)抽查檢驗,共(gong)抽取了29家生產企業生產的42款樣(yang)品,3款樣(yang)品被(bei)判(pan)定(ding)為監督總體不合(he)格,不合(he)格率(lv)為7.14%。

  本次(ci)抽(chou)查中(zhong),重(zhong)點關注的是與(yu)使用者安(an)(an)全和(he)健康有直接聯系的安(an)(an)全和(he)電磁兼容檢驗項(xiang)目,不合(he)格(ge)項(xiang)目具(ju)體分析如下:

  一、 輻射騷(sao)擾(rao)(rao)項目不(bu)合(he)格。輻射騷(sao)擾(rao)(rao)為(wei)電磁兼容的(de)(de)一個重要(yao)項目,輻射騷(sao)擾(rao)(rao)超標會干(gan)擾(rao)(rao)其他電子產品(pin)(pin)或(huo)信息技術(shu)設(she)備的(de)(de)正常工作,并對人體造(zao)成一定(ding)的(de)(de)危(wei)害。不(bu)合(he)格的(de)(de)主要(yao)原因是部分企(qi)(qi)業(ye)不(bu)重視產品(pin)(pin)電磁兼容問題,有的(de)(de)企(qi)(qi)業(ye)因為(wei)沒有完(wan)善的(de)(de)電磁兼容設(she)計(ji)能(neng)力(li),且由于測試設(she)備較貴,企(qi)(qi)業(ye)不(bu)具備檢測能(neng)力(li)。

  二、電(dian)(dian)(dian)源(yuan)端(duan)騷擾電(dian)(dian)(dian)壓不合格。電(dian)(dian)(dian)子(zi)產品使用(yong)適配器(qi)時(shi)產生(sheng)的高頻信號通(tong)過電(dian)(dian)(dian)源(yuan)端(duan)子(zi)經電(dian)(dian)(dian)網傳播,將給環(huan)境帶來(lai)電(dian)(dian)(dian)磁污染,可(ke)能(neng)(neng)會影(ying)(ying)響(xiang)其(qi)他(ta)共用(yong)電(dian)(dian)(dian)網供電(dian)(dian)(dian)的設(she)備正(zheng)常工(gong)作,并(bing)有(you)可(ke)能(neng)(neng)對家庭(ting)其(qi)他(ta)設(she)備的使用(yong)產生(sheng)影(ying)(ying)響(xiang),嚴重時(shi)可(ke)能(neng)(neng)會造成供電(dian)(dian)(dian)電(dian)(dian)(dian)網的電(dian)(dian)(dian)源(yuan)質量下降,影(ying)(ying)響(xiang)其(qi)他(ta)電(dian)(dian)(dian)子(zi)設(she)備的正(zheng)常工(gong)作,甚(shen)至導致(zhi)附近用(yong)電(dian)(dian)(dian)設(she)備異常動作或工(gong)作失效,引發事故。

  三、電(dian)(dian)(dian)(dian)氣絕(jue)緣和抗(kang)電(dian)(dian)(dian)(dian)強(qiang)度(絕(jue)緣要求)不合格。根據標準(zhun)要求,該類產(chan)品(pin)的(de)加(jia)強(qiang)絕(jue)緣應能(neng)承受3000V、1分鐘(zhong)的(de)抗(kang)電(dian)(dian)(dian)(dian)強(qiang)度試驗。該類產(chan)品(pin)的(de)一次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)與220V電(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)源連接(jie)(jie),二(er)次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)需提供輸(shu)出(chu)端(duan)子用(yong)(yong)以給電(dian)(dian)(dian)(dian)子產(chan)品(pin)電(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian),輸(shu)出(chu)端(duan)子用(yong)(yong)戶(hu)可(ke)(ke)接(jie)(jie)觸,一旦一次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)和二(er)次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)間被(bei)擊(ji)穿(chuan),則意味(wei)著一次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)的(de)電(dian)(dian)(dian)(dian)壓(ya)(220V)將通過擊(ji)穿(chuan)點而到達二(er)次(ci)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu),從(cong)而可(ke)(ke)能(neng)被(bei)用(yong)(yong)戶(hu)直接(jie)(jie)觸摸或直接(jie)(jie)輸(shu)出(chu)至充(chong)電(dian)(dian)(dian)(dian)設備。產(chan)品(pin)電(dian)(dian)(dian)(dian)氣絕(jue)緣項目不合格,可(ke)(ke)能(neng)使絕(jue)緣失效、電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)擊(ji)穿(chuan),導致使用(yong)(yong)者發(fa)生觸電(dian)(dian)(dian)(dian)危險,可(ke)(ke)能(neng)發(fa)生觸電(dian)(dian)(dian)(dian)或電(dian)(dian)(dian)(dian)池(chi)爆炸起(qi)火,從(cong)而引起(qi)人身傷害或生命危險。

  四、電(dian)氣間(jian)(jian)隙和(he)爬(pa)電(dian)距離項目不合格。主要為變壓器初次級間(jian)(jian)電(dian)氣間(jian)(jian)隙和(he)爬(pa)電(dian)距離尺(chi)寸不夠(gou)。在危險帶電(dian)部件與可(ke)觸及(ji)件之間(jian)(jian)沒有足夠(gou)的(de)隔離(雙重或加強(qiang)絕緣),電(dian)氣間(jian)(jian)隙和(he)爬(pa)電(dian)距離不合格使得強(qiang)弱電(dian)之間(jian)(jian)的(de)隔離不完(wan)善,絕緣系(xi)統極(ji)易被擊穿,從而使得用戶可(ke)觸及(ji)到的(de)輸(shu)出端子帶危險電(dian)壓,造成人員傷害,或給被充(chong)電(dian)設備造成危害。

  電子產品商(shang)品與(yu)廣大消費(fei)者(zhe)的(de)生活有著密切的(de)關系,其中青少年以及兒童的(de)使用也越來越普及,它的(de)質(zhi)量優(you)劣、安全(quan)與(yu)否直(zhi)接影響廣大消費(fei)者(zhe)的(de)人身和財(cai)產安全(quan)。消費(fei)者(zhe)在(zai)選購和使用產品時,可注意以下(xia)幾點:

  (一)消(xiao)費(fei)者選擇(ze)產品時(shi)都要清楚(chu)自身的(de)需(xu)求(qiu)和(he)所選產品的(de)功能。功能不同,產品的(de)價格(ge)也會有很大的(de)差異(yi)。。

  (二)購(gou)買(mai)標(biao)(biao)(biao)識齊全(quan)的商(shang)品。購(gou)買(mai)前需要(yao)觀察主機或適配器上標(biao)(biao)(biao)志是否(fou)需包(bao)(bao)含(han)額(e)定(ding)(ding)電壓(ya)或額(e)定(ding)(ding)電壓(ya)范(fan)圍、電源性質的符(fu)號、額(e)定(ding)(ding)頻率(lv)(lv)或額(e)定(ding)(ding)頻率(lv)(lv)范(fan)圍、額(e)定(ding)(ding)電流(liu)、制造廠商(shang)名(ming)稱或商(shang)標(biao)(biao)(biao)、型(xing)號、Ⅱ類(lei)符(fu)號、安全(quan)說(shuo)明、CCC標(biao)(biao)(biao)記(ji)等(deng),且標(biao)(biao)(biao)識字跡清晰(xi)。并核對“三包(bao)(bao)”憑證、包(bao)(bao)裝盒等(deng)。

  (三)選購時開機(ji)檢(jian)(jian)查是比(bi)較(jiao)重要的環節,首先檢(jian)(jian)查配件是否(fou)(fou)(fou)齊(qi)全(quan),比(bi)如(ru)適配器、數據線、耳(er)機(ji)、說明書、保修(xiu)卡(ka)等。再(zai)次應進行開機(ji)檢(jian)(jian)查,首先是看能否(fou)(fou)(fou)正(zheng)(zheng)常(chang)開機(ji)(進入操作(zuo)系統),檢(jian)(jian)查通話功能是否(fou)(fou)(fou)正(zheng)(zheng)常(chang),對于智能電子產(chan)品需進一步(bu)檢(jian)(jian)查CPU、顯卡(ka)、內存等配置,然后(hou)檢(jian)(jian)查觸(chu)(chu)控、攝像(xiang)頭(tou)、音響、耳(er)機(ji)、屏幕(mu)等,以及(ji)左右滑(hua)動、觸(chu)(chu)摸功能是否(fou)(fou)(fou)正(zheng)(zheng)常(chang),電子產(chan)品功能是否(fou)(fou)(fou)完善。

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