光伏組件生產(chǎn)過(guò)程中邊框缺陷問(wèn)題分析及改進(jìn)措施發(fā)表時(shí)間:2025-06-18 11:04 光伏組件邊框作為保護(hù)電池片、增強(qiáng)結(jié)構(gòu)強(qiáng)度和實(shí)現(xiàn)密封的關(guān)鍵部件,其質(zhì)量直接影響組件的耐久性、安全性和發(fā)電效率。生產(chǎn)過(guò)程中常見(jiàn)的邊框缺陷主要包括變形、劃痕、腐蝕、尺寸偏差、密封失效等問(wèn)題,以下從原因、影響及改進(jìn)措施三方面進(jìn)行詳細(xì)分析。The frame of photovoltaic modules, as a key component for protecting battery cells, enhancing structural strength, and achieving sealing, directly affects the durability, safety, and power generation efficiency of the modules. Common frame defects in the production process mainly include deformation, scratches, corrosion, dimensional deviation, sealing failure, etc. The following is a detailed analysis from three aspects: causes, impacts, and improvement measures. 一、邊框缺陷的常見(jiàn)類(lèi)型及原因I. Common Types and Causes of Frame Defects1. 邊框變形1. Frame Deformation原因: Reasons: ? 材料問(wèn)題:鋁合金邊框材質(zhì)強(qiáng)度不足或存在內(nèi)部應(yīng)力,導(dǎo)致加工后變形。 ? Material issues: The aluminum alloy frame has insufficient material strength or internal stress, leading to deformation after processing. ? 加工工藝:擠壓成型過(guò)程中溫度或壓力控制不當(dāng),或冷卻速度不均勻。 ? Processing technology: Improper temperature or pressure control during the extrusion molding process, or uneven cooling speed. ? 搬運(yùn) / 存儲(chǔ):生產(chǎn)過(guò)程中搬運(yùn)不當(dāng)(如碰撞、堆疊壓力過(guò)大)或存儲(chǔ)環(huán)境濕度過(guò)高導(dǎo)致氧化變形。 ? Handling/storage: Improper handling (such as collision, excessive stacking pressure) during the production process or excessive humidity in the storage environment leads to oxidation and deformation. 2. 邊框劃痕 / 磕碰2. Frame Scratches/Knocks原因: Reasons: ? 設(shè)備故障:切割、沖孔或打磨設(shè)備刀具磨損,導(dǎo)致表面劃傷。 ? Equipment failure: Wear of cutting, punching, or grinding equipment tools leads to surface scratches. ? 操作不當(dāng):人工搬運(yùn)或安裝時(shí)未使用防護(hù)工具,直接接觸邊框表面。 ? Improper operation: Direct contact with the frame surface without using protective tools during manual handling or installation. ? 運(yùn)輸問(wèn)題:組件在運(yùn)輸過(guò)程中未妥善固定,導(dǎo)致邊框相互摩擦。 ? Transportation issues: The modules are not properly fixed during transportation, causing friction between frames. 3. 邊框腐蝕3. Frame Corrosion原因: Reasons: ? 材料問(wèn)題:鋁合金材質(zhì)耐腐蝕性不足,或表面處理(如陽(yáng)極氧化)工藝不達(dá)標(biāo)。 ? Material issues: The aluminum alloy has insufficient corrosion resistance, or the surface treatment (such as anodic oxidation) process does not meet the standards. ? 環(huán)境因素:生產(chǎn)車(chē)間濕度過(guò)高或存在腐蝕性氣體,導(dǎo)致邊框氧化。 ? Environmental factors: Excessive humidity or corrosive gases in the production workshop lead to frame oxidation. ? 密封失效:邊框與玻璃 / 背板之間的密封膠條或膠水失效,導(dǎo)致水分滲入。 ? Sealing failure: The sealing strip or glue between the frame and glass/backsheet fails, causing water to penetrate. 4. 尺寸偏差4. Dimensional Deviation原因: Reasons: ? 模具精度:擠壓模具磨損或設(shè)計(jì)不合理,導(dǎo)致邊框尺寸不一致。 ? Mold accuracy: Wear of the extrusion mold or unreasonable design leads to inconsistent frame dimensions. ? 加工誤差:切割、鉆孔等工序精度不足,導(dǎo)致邊框與組件尺寸不匹配。 ? Processing errors: Insufficient accuracy in processes such as cutting and drilling leads to mismatches between the frame and module dimensions. 5. 密封失效5. Sealing Failure原因: Reasons: ? 密封膠條 / 膠水問(wèn)題:質(zhì)量不合格或老化,導(dǎo)致密封性能下降。 ? Sealing strip/glue issues: Unqualified quality or aging leads to a decrease in sealing performance. ? 安裝工藝:密封膠條安裝不到位或膠水涂抹不均勻,導(dǎo)致密封不嚴(yán)。 ? Installation technology: Inadequate installation of the sealing strip or uneven application of glue leads to poor sealing. 二、邊框缺陷的影響II. Impacts of Frame Defects? 結(jié)構(gòu)強(qiáng)度下降:邊框變形或尺寸偏差可能導(dǎo)致組件在安裝或運(yùn)行過(guò)程中受力不均,增加破裂風(fēng)險(xiǎn)。 ? Decreased structural strength: Frame deformation or dimensional deviation may cause uneven force on the module during installation or operation, increasing the risk of cracking. ? 密封性能下降:劃痕、腐蝕或密封失效會(huì)導(dǎo)致水分滲入組件內(nèi)部,引發(fā)電池片腐蝕、功率衰減甚至失效。 ? Reduced sealing performance: Scratches, corrosion, or sealing failure will cause water to penetrate the interior of the module, leading to corrosion of battery cells, power attenuation, or even failure. ? 外觀問(wèn)題:劃痕、磕碰等缺陷影響組件的美觀度,降低客戶(hù)滿(mǎn)意度。 ? Appearance issues: Defects such as scratches and knocks affect the aesthetics of the module and reduce customer satisfaction. ? 安全隱患:邊框強(qiáng)度不足可能導(dǎo)致組件在極端天氣(如大風(fēng)、冰雹)下脫落,造成安全事故。 ? Safety hazards: Insufficient frame strength may cause the module to fall off under extreme weather (such as strong winds, hail), causing safety accidents. 三、預(yù)防與改進(jìn)措施III. Prevention and Improvement Measures1. 優(yōu)化材料與工藝1. Optimize Materials and Processes材料選擇: Material Selection: ? 使用高強(qiáng)度、耐腐蝕的鋁合金材質(zhì),確保邊框的機(jī)械性能和耐候性。 ? Use high-strength, corrosion-resistant aluminum alloy materials to ensure the mechanical properties and weather resistance of the frame. ? 對(duì)邊框表面進(jìn)行陽(yáng)極氧化或噴涂處理,增強(qiáng)抗腐蝕能力。 ? Perform anodic oxidation or spraying treatment on the frame surface to enhance corrosion resistance. 工藝改進(jìn): Process Improvement: ? 優(yōu)化擠壓成型工藝,控制溫度、壓力和冷卻速度,減少內(nèi)部應(yīng)力。 ? Optimize the extrusion molding process, control temperature, pressure, and cooling speed to reduce internal stress. ? 采用高精度模具和加工設(shè)備,確保邊框尺寸一致性。 ? Adopt high-precision molds and processing equipment to ensure the dimensional consistency of the frame. 2. 加強(qiáng)設(shè)備維護(hù)與管理2. Strengthen Equipment Maintenance and Management設(shè)備定期檢查: Regular Equipment Inspection: ? 對(duì)切割、沖孔、打磨等設(shè)備進(jìn)行定期維護(hù),確保刀具鋒利,避免劃痕。 ? Regularly maintain cutting, punching, grinding, and other equipment to ensure sharp tools and avoid scratches. ? 檢查設(shè)備精度,及時(shí)調(diào)整或更換磨損部件。 ? Check equipment accuracy and adjust or replace worn parts in a timely manner. 自動(dòng)化生產(chǎn): Automated Production: ? 引入自動(dòng)化生產(chǎn)線(xiàn),減少人工操作帶來(lái)的誤差和損傷。 ? Introduce automated production lines to reduce errors and damage caused by manual operations. 3. 規(guī)范操作流程3. Standardize Operation Procedures搬運(yùn)與存儲(chǔ):Handling and Storage: ? 使用專(zhuān)用工具(如吸盤(pán)、防護(hù)手套)搬運(yùn)邊框,避免直接接觸。 ? Use special tools (such as suction cups, protective gloves) to handle the frame to avoid direct contact. ? 存儲(chǔ)時(shí)保持環(huán)境干燥,避免邊框受潮或氧化。 ? Keep the environment dry during storage to prevent the frame from being damp or oxidized. 安裝工藝: Installation Technology: ? 嚴(yán)格按照操作規(guī)程安裝密封膠條和膠水,確保密封性能。 ? Install sealing strips and glue strictly in accordance with operating procedures to ensure sealing performance. ? 對(duì)安裝人員進(jìn)行培訓(xùn),提高操作技能和質(zhì)量意識(shí)。 ? Train installers to improve operational skills and quality awareness. 4. 加強(qiáng)質(zhì)量檢測(cè)4. Strengthen Quality Inspection來(lái)料檢驗(yàn): Incoming Inspection: ? 對(duì)進(jìn)廠(chǎng)邊框進(jìn)行尺寸、外觀和性能檢測(cè),確保符合標(biāo)準(zhǔn)。 ? Inspect the dimensions, appearance, and performance of the incoming frames to ensure they meet the standards. 過(guò)程監(jiān)控: Process Monitoring: ? 在生產(chǎn)過(guò)程中增加抽檢頻次,及時(shí)發(fā)現(xiàn)并處理缺陷。 ? Increase the frequency of spot checks during the production process to timely detect and handle defects. 成品檢測(cè): Finished Product Testing: ? 對(duì)成品組件進(jìn)行密封性測(cè)試(如淋雨測(cè)試、氣密性測(cè)試),確保邊框密封性能。 ? Carry out sealing tests (such as rain tests, airtightness tests) on the finished modules to ensure the sealing performance of the frame. 5. 改進(jìn)包裝與運(yùn)輸5. Improve Packaging and Transportation包裝設(shè)計(jì): Packaging Design: ? 使用防震、防潮的包裝材料,避免邊框在運(yùn)輸過(guò)程中受損。 ? Use shock-proof and moisture-proof packaging materials to prevent the frame from being damaged during transportation. 運(yùn)輸管理: Transportation Management: ? 選擇可靠的物流公司,確保組件在運(yùn)輸過(guò)程中固定牢固,避免碰撞。 ? Select reliable logistics companies to ensure that the modules are firmly fixed during transportation to avoid collisions. |