本文選題：串焊機 + 電池片定位�。� 參考：《湖北工業(yè)大學(xué)》2017年碩士論文

【摘要】：隨著光伏產(chǎn)業(yè)的蓬勃發(fā)展,全自動焊接機作為太陽能光伏組件自動化生產(chǎn)線的核心設(shè)備之一,其主要功能是將電池片正負極通過焊帶串聯(lián)焊接起來。太陽能電池片的自動串焊技術(shù)自然成為光伏組件制造的關(guān)鍵技術(shù)之一。為實現(xiàn)光伏組件全自動化焊接,需要解決電池片和焊帶自動上料,然而電池片自動上料過程中需要完成對電池方位自動校正;同樣在焊接前,需要自動完成焊帶助焊劑的自動涂布和定長送料;串焊完成后,電池片串的自動搬運直接制約后續(xù)工藝流程的正常運行,因此高速、高精度的電池片方位校正算法、焊帶的預(yù)處理技術(shù)和成品電池片的自動搬運也成為影響光伏組件制造質(zhì)量和效率的關(guān)鍵技術(shù);本文主要對光伏組件焊接技術(shù)、電池片方位校正技術(shù)、焊帶預(yù)處理技術(shù)和電池片串的自動搬運做了深入的研究。首先,在了解光伏組件制造工藝和電池片焊接工藝基礎(chǔ)上,充分吸收國外組件電池片焊接技術(shù)和焊接方法,提出電池片超高頻電磁感應(yīng)串焊技術(shù),采用柔性壓緊技術(shù)預(yù)防電池片和焊帶在焊接過程中因溫度升高自由隆起受限發(fā)生破裂,并完成了焊接機構(gòu)的結(jié)構(gòu)設(shè)計。其次,為了避免電池片傳送過程中反復(fù)的吸放操作而產(chǎn)生破片,采用非接觸式的視覺檢測技術(shù)進行電池片方位偏差的分析,在分析電池結(jié)構(gòu)和對比以往電池片校正算法的基礎(chǔ)上,設(shè)計了基于電池片邊緣以及主柵線平均對位的檢測方法,綜合考慮了電池片的輪廓因素和主柵線因素,提高了電池片定位檢測精度。再次,助焊劑在電池片和焊帶的錫焊過程中清除焊帶和電池片主柵線表面焊錫表面的氧化物并以液體薄層覆蓋被焊金屬和焊錫的表面,隔絕空氣中的氧對它們的再一次氧化。涂布后的焊帶要盡可能校平以保證焊接時的焊帶和電池片柵極的良好接觸。研究了助焊劑的涂布方式和干燥工藝、涂布后焊帶張力校直校平工藝、焊帶間歇性精密定長切割等,通過以上技術(shù)的研究及設(shè)計了專用裝置,確保焊帶的預(yù)處理質(zhì)量。在分析電池片串后續(xù)處理工藝的基礎(chǔ)上,設(shè)計了電池片串自動搬運裝置。最后,利用C++的MFC模塊和UG軟件,對文章提出的關(guān)鍵技術(shù)進行了實驗驗證為實現(xiàn)國內(nèi)高水平光伏焊接設(shè)備的研究提供了一定的參考。
[Abstract]:With the vigorous development of photovoltaic industry, automatic soldering machine is one of the core equipments in the automatic production line of solar photovoltaic module. Its main function is to weld the positive and negative electrode of the battery chip in series by welding tape. The automatic series welding technology of solar cells has become one of the key technologies in photovoltaic module manufacturing. In order to realize the full automatic welding of photovoltaic module, it is necessary to solve the problem of automatic feeding of battery chip and tape. However, the automatic correction of battery orientation is needed in the process of automatic feeding of battery chip; also before welding, It is necessary to finish the automatic coating and fixed length feeding of the welding flux automatically. After the completion of the string welding, the automatic handling of the battery chip string directly restricts the normal operation of the subsequent technological process, so the high speed and high precision azimuth correction algorithm for the battery chip is required. The pretreatment technology of welding strip and the automatic handling of finished battery chip are also the key technologies that affect the quality and efficiency of photovoltaic module manufacture. The preprocessing technology of welding strip and the automatic handling of battery chip string have been deeply studied. First of all, on the basis of understanding the manufacturing technology of photovoltaic module and the welding technology of battery chip, the paper fully absorbs the welding technology and welding method of battery chip from abroad, and puts forward the technology of ultra-high frequency electromagnetic induction welding of battery chip. The flexible compression technique is used to prevent the rupture of the battery sheet and the welding strip during the welding process due to the limitation of the free uplift due to the rise of temperature, and the structure design of the welding mechanism is completed. Secondly, in order to avoid repeatedly sucking and draining operation in the course of the battery chip transfer, the non-contact visual inspection technology is used to analyze the battery chip azimuth deviation. On the basis of analyzing the structure of the battery and comparing with the previous algorithms, the detection method based on the edge of the battery chip and the average position of the main gate line is designed, and the outline factor and the main grid line factor of the battery chip are considered synthetically. The accuracy of battery chip location detection is improved. Thirdly, the flux removes the oxide on the solder surface of the soldering strip and the main grid line of the battery chip during the soldering process of the battery strip and the solder strip, and covers the surface of the soldered metal and solder with a liquid thin layer to prevent the oxygen in the air from oxidizing them again. The coated tape should be adjusted as well as possible to ensure good contact between the strip and the battery gate. The coating mode and drying process of flux, tension straightening and leveling process of welding strip after coating, intermittent precision fixed length cutting of welding strip and so on are studied. Through the research of above technology and the design of special equipment, the pretreatment quality of welding strip is ensured. On the basis of analyzing the following processing technology of battery chip string, the automatic handling device of battery chip string is designed. Finally, by using C's MFC module and UG software, the key technologies proposed in this paper are tested and verified, which provides a certain reference for the research of domestic high level photovoltaic welding equipment.
【學(xué)位授予單位】：湖北工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TG409;TM914.4

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