紅外熱像儀在LED行業(yè)中的應用
<FONT size=2></FONT><DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-line-spacing: '100 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"> LED作為取代傳統(tǒng)照明工具(如白熾燈、鹵素燈等)的新型光源,其散熱效 </SPAN></DIV> <DIV style="mso-line-spacing: '100 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">果嚴重影響LED的實際使用壽命,散熱工藝成為LED應用和發(fā)展的關鍵因素,紅 </SPAN></DIV> <DIV style="mso-line-spacing: '100 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">外熱像儀可以進行LED溫度檢測,幫助驗證散熱工藝。</SPAN></DIV> <DIV style="mso-line-spacing: '100 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"> <?xml:namespace prefix = p ns = "urn:schemas-microsoft-com:office:powerpoint" /><p:colorscheme colors="#ffffff,#000000,#919191,#000000,#ffffff,#618ffd,#fc0128,#fdd900"></p:colorscheme> <DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN">LED簡介 </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>LED (Light Emitting Diode),又稱發(fā)光二極管,是利用固體半導體芯片作為發(fā)光材料,當兩端施加正向電壓時</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>,半導體中的載流子發(fā)生復合,放出過剩的能量而引起光子發(fā)射產生可見光、遠紅外、近紅外光。<SPAN style="mso-spacerun: yes"> </SPAN></FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>LED是一種新型的固態(tài)光源,已經在特殊領域顯現出自身優(yōu)異的效果,各種類型的LED、利用LED作二次開發(fā)的產</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>品及與LED配套的產品發(fā)展迅速,新產品不斷上市,已發(fā)展成不少新型產業(yè)。展望將來,還期望更進一步地提高。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2></FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"></SPAN> </DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">熱像儀在LED行業(yè)中有哪些主要應用點? </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>事實上,LED的實際壽命與工作溫度往往成反比,如LED使用壽命在工作溫度為74℃為10000小時、63℃為25000小</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun"><FONT size=2>時,小于50℃時,則可為50000小時。根本原因是LED的光電轉換效率極差,大約只有15%至20%左右電能轉為光輸出,</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun"><FONT size=2>其余均轉換成為熱能,因此,當大量使用高功率的LED于一塊模組,應用于高亮度的操作時,這些極差的轉換效率將</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun"><FONT size=2>造成散熱處理的大問題。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>熱像儀不僅在研發(fā)過程中能夠發(fā)揮作用,而且也可以應用在產品的品質管理等方面。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2>1 研發(fā):主要是對LED模塊驅動電路(包括電源)、光源半導體發(fā)熱分布分析、及光衰測試等。<SPAN style="mso-spacerun: yes"> </SPAN></FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>a)LED模塊驅動電路 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>在LED產品研發(fā)中,需要工程師進行一部分驅動電路設計,例如整流器電路模塊。利用熱像儀,工程師可以</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>迅速而便捷地發(fā)現電路上溫度異常之處,便于完善電路設計。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun; mso-fareast-language: ZH-CN">b)LED光源半導體芯片發(fā)熱 </SPAN></FONT></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><FONT size=2><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><SPAN style="mso-spacerun: yes"> </SPAN>利用熱像儀,工程師可以</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #fc0128; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-color-index: 6">通過</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">光源半導體芯片發(fā)熱紅外熱圖,分析出其芯片在工作時的溫度,以及溫度</SPAN></FONT><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>的分布情況,在此基礎,達到提高LED產品壽命的目的 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>c)光衰試驗 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>LED產品的光衰就是光在傳輸中的信號減弱,而現階段全球的LED大廠們做出的LED產品光衰程度都不相同,</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun">大</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">功率LED同樣存在光衰,這和溫度有著直接的關系,主要是由晶片、熒光粉和封裝技術決定的。目前,市場上</SPAN></FONT><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>的白光LED其光衰可能是向民用照明進軍的首要問題之一。</FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><p:colorscheme colors="#ffffff,#000000,#919191,#000000,#ffffff,#618ffd,#fc0128,#fdd900"></p:colorscheme><FONT size=2> </FONT> <DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2>2 品質管理 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>a)半導體照明:吹制燈泡均勻性 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>通過熱像儀抓拍產線玻璃吹泡的過程,進行參數修正,改善掐口工藝,可以有效提高產品成品率,降低成本。</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2> </FONT></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"> <DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: SimSun; mso-fareast-language: ZH-CN"><FONT size=2> b)LED檢測芯片封裝前的溫度 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>LED芯片封裝前檢測溫度可以避免封裝后因溫度異常,降低廢品率。此階段手不能接觸表面,熱像儀能夠很好</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>的幫助客戶發(fā)現此處的問題,作為流水線檢測工具。</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2> </FONT></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"> <DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2> c)LED成品顯示屏開機測試 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>LED顯示屏完成后,要做最后驗收,通過不同顏色的測試來看屏幕是否符合交貨的要求,目前大多數企業(yè)都沒有</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>這個流程。使用熱像儀后,能夠為廠家完善產品檢測標準,提高產品質量。</FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><p:colorscheme colors="#ffffff,#000000,#919191,#000000,#ffffff,#618ffd,#fc0128,#fdd900"></p:colorscheme><FONT size=2> </FONT> <DIV class=O v:shape="_x0000_s1026"> <DIV style="mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">典型客戶 </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>大晨光電、飛利浦照明等。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2></FONT></SPAN> </DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">紅外熱像儀的獨特作用 </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>在使用熱像儀前,LED產品企業(yè)一直都沒有很好的解決這個問題手段或方法。熱像儀能夠發(fā)揮獨特作用: </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2>1 通過紅外線熱像儀檢測目標時,不需要斷電,操作方便,同時非接觸測量使原有的溫度場不受干擾;反應速度較快</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>,小于1毫秒。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2>2 Fluke熱像儀IR-Fusion技術:用戶采用Fluke專利IR-Fusion技術除了可以拍攝紅外圖像外,還可以同時捕獲一幅可</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>見光照片,并將其融合在一起,有助于第一時間識別和定位故障。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2></FONT></SPAN> </DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">拍攝時可能會遇到哪些問題? </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><FONT size=2><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">可能由于觀察目標較小,使用160×120熱像儀時,會發(fā)生很難發(fā)現準確的故障點,需要我們更換320×240熱像儀</SPAN></FONT><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2>(甚至需要更換鏡頭)進行檢測。 </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2></FONT></SPAN> </DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial">如何才能拍攝優(yōu)質紅外熱像? </SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial"><FONT size=2><SPAN style="mso-spacerun: yes"> </SPAN>使用熱像儀進行拍攝時,若要得到一幅優(yōu)秀的紅外熱圖,我們建議: </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2> 1 需要分辨較小溫差的場合,盡量選擇熱靈敏度較高的熱像儀; </FONT></SPAN></DIV> <DIV style="mso-line-spacing: '90 50 0'; mso-margin-left-alt: 216; mso-vertical-align-special: bottom"><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: SimSun; mso-fareast-font-family: SimSun; mso-hansi-font-family: Arial; mso-fareast-language: ZH-CN"><FONT size=2> 2 先用自動模式測量溫度范圍;然后手動設置水平及跨度,將溫度范圍設置在最小,并包含有先前測量的溫度范圍。</FONT></SPAN></DIV></DIV></SPAN></DIV></DIV></SPAN></DIV></DIV></SPAN></DIV></DIV></SPAN></DIV></DIV></SPAN></DIV></DIV>