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CN111162135B - Glass manufacturing process for framed double-glass product - Google Patents

Glass manufacturing process for framed double-glass product Download PDF

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Publication number
CN111162135B
CN111162135B CN201911335284.9A CN201911335284A CN111162135B CN 111162135 B CN111162135 B CN 111162135B CN 201911335284 A CN201911335284 A CN 201911335284A CN 111162135 B CN111162135 B CN 111162135B
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glass
double
welding
battery
temperature
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CN111162135A (en
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胡燕
王海庆
曹思远
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Jetion Solar Jiangsu Co Ltd
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Jetion Solar Jiangsu Co Ltd
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/807Double-glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F71/00Manufacture or treatment of devices covered by this subclass
    • H10F71/128Annealing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The invention discloses a manufacturing process of double-glass product glass with a frame, which comprises the following steps of S1, material preparation: preparing a battery piece, a welding strip, ultra-white toughened glass and an EVA adhesive film; s2, welding a battery piece: welding the cathodes of the single battery pieces, aligning and overlapping the back welding strips of the battery pieces with the back faces facing upwards after the single welding on the back electrodes of the front pieces, sequentially arranging the battery pieces on a series welding template, and welding the battery pieces by using the welding strips to form a battery plate; s3, stacking: sequentially placing the super-white toughened glass, the EVA adhesive film, the battery plate, the EVA adhesive film and the super-white toughened glass from bottom to top, and simultaneously placing the frames at the edges of two groups of super-white toughened glass to form a double-glass blank; s4, sealing: air in the double-glass blank is pumped out, and vacuum sealing treatment is carried out; s5, hot pressing: and placing the fixed double-glass blank into a laminating machine for hot pressing. The invention has simple and convenient operation, improves the qualification rate of products and has good resistance of the prepared products.

Description

一种带框双玻产品玻璃制造工艺A glass manufacturing process for a double-glass product with a frame

技术领域technical field

本发明涉及玻璃制造工艺技术领域,更具体地说,尤其涉及一种带框双玻产品玻璃制造工艺。The invention relates to the technical field of glass manufacturing technology, and more specifically, relates to a glass manufacturing technology for a double-glass product with a frame.

背景技术Background technique

双玻组件是光伏行业中的一种成品组件,其形状是一种类似于夹胶双层玻璃的产品,电池片用封装胶膜粘夹在两层玻璃中间,双玻光伏组件在行业内应用由来已久,较早期的可以发现2009年就有相关报道,双玻组件与普通组件的优势在于寿命长发电量高、衰减小、阻隔性能、美观能够完美的和建筑结合、更低的碳足迹、更加易于回收、散热性能好于传统组件、不易积雪积灰、不易发生隐裂、防火。Double-glass module is a finished module in the photovoltaic industry. Its shape is a product similar to laminated double-layer glass. The cell is sandwiched between the two layers of glass with an encapsulating film. Double-glass photovoltaic modules are used in the industry. It has a long history, and it can be found in the early reports that there were related reports in 2009. The advantages of double glass modules and ordinary modules are long life, high power generation, low attenuation, barrier performance, beautiful appearance, perfect integration with buildings, and lower carbon footprint. , Easier to recycle, better heat dissipation performance than traditional components, less likely to accumulate snow and dust, less prone to cracks, and fireproof.

双玻组件在加工过程需要进行层叠、真空、热压等工序的处理,其中在现有技术中一般直接将双玻组件的毛坯件直接放入层压机中进行升温升压处理,容易使得产品中产生气泡,造成产品不合格,为此,我们提出一种带框双玻产品玻璃制造工艺。Double-glass components need to be processed in the process of lamination, vacuum, hot pressing and other processes. In the prior art, the blanks of double-glass components are usually directly put into the laminator for temperature and pressure treatment, which is easy to make the product Bubbles are generated in the glass, resulting in unqualified products. For this reason, we propose a glass manufacturing process for double-glass products with a frame.

发明内容Contents of the invention

本发明的目的是为了解决现有技术中存在的缺点,而提出的一种带框双玻产品玻璃制造工艺,通过在对双玻玻璃毛坯件进行热压时,先进行预热处理,便于后续放入双玻玻璃毛坯件进行升温升压处理时,不会因为双玻玻璃毛坯应温度突然增加,使得双玻玻璃毛坯内的EVA胶膜热熔后产生气泡,使得固化后双玻玻璃产生气泡,保证双玻玻璃的产品质量。The purpose of the present invention is to solve the shortcomings in the prior art, and propose a double-glass product glass manufacturing process with a frame. When the double-glass glass blank is hot-pressed, preheating treatment is carried out first, which is convenient for subsequent When the double-glass blank is put in for temperature rise and pressure treatment, the double-glass glass blank will not cause air bubbles after the EVA adhesive film in the double-glass blank is melted due to a sudden increase in the temperature of the double-glass glass blank, which will cause bubbles in the double-glass glass after curing. , to ensure the product quality of double glass glass.

为实现上述目的,本发明提供如下技术方案:一种带框双玻产品玻璃制造工艺,包括如下步骤:In order to achieve the above object, the present invention provides the following technical solution: a glass manufacturing process for a double-glass product with a frame, comprising the following steps:

S1、物料准备:准备电池片、焊带、超白钢化玻璃和EVA胶膜;S1. Material preparation: prepare battery sheets, welding ribbons, ultra-clear tempered glass and EVA film;

S2、电池片焊接:将单片电池片的负极进行焊接,将单焊完成的电池片背面朝上后片焊带对齐搭在前片背电极上,然后依次排放在串焊模板上,然后利用焊带进行焊接,形成一个电池板;S2. Battery sheet welding: Weld the negative electrode of the single-sheet battery sheet, align the back electrode of the battery sheet with the back of the single-welded sheet facing up, and place it on the back electrode of the front sheet, and then arrange it on the string welding template in turn, and then use The ribbon is welded to form a battery panel;

S3、层叠:自下而上依次放置超白钢化玻璃、EVA胶膜、电池板、EVA胶膜和超白钢化玻璃,同时将边框置于两组超白钢化玻璃的边缘处,形成双玻玻璃毛坯件;S3. Lamination: Place ultra-white tempered glass, EVA film, battery board, EVA film and ultra-white tempered glass from bottom to top, and place the frame at the edge of two sets of ultra-clear tempered glass to form a double-glass glass rough parts;

S4、密封:将双玻玻璃毛坯件内部的空气抽出,进行真空密封处理;S4. Sealing: extract the air inside the double-glass glass blank, and perform vacuum sealing treatment;

S5、热压:将固定好双玻玻璃毛坯件放入层压机中进行热压,在热压前,先进行预热;S5. Hot pressing: put the fixed double-glass glass blank into the laminator for hot pressing, and preheat before hot pressing;

S6、冷却:保温保压50分钟后,开始降温降压处理;S6. Cooling: after 50 minutes of heat preservation and pressure holding, start to lower the temperature and lower the pressure;

S7、清洁:取出热压后的双玻玻璃,然后进行表面清洁,剔除毛边。S7. Cleaning: take out the hot-pressed double-glass glass, and then clean the surface to remove burrs.

优选的,在步骤S3、层叠中,在层叠前,先利用无纺布蘸取酒精对超白钢化玻璃表面进行擦湿清理,待酒精挥发后,再进行层叠。Preferably, in step S3 and lamination, before lamination, the surface of the ultra-clear tempered glass is wiped and cleaned with non-woven cloth dipped in alcohol, and the lamination is performed after the alcohol volatilizes.

优选的,在步骤S4、密封过程中,需要先在双玻玻璃毛坯件的边缘利用棉布包裹形成一个气流通道,在密封抽真空的过程中,将真空组件的吸嘴插入气流通道内。Preferably, in step S4 and the sealing process, it is necessary to wrap the edge of the double-glass glass blank with cotton cloth to form an air flow channel, and insert the suction nozzle of the vacuum assembly into the air flow channel during the sealing and vacuuming process.

优选的,在准备超白钢化玻璃时,根据实际需求,将玻璃裁切为所需的尺寸,然后对裁切后的玻璃进行磨边,然后进行钢化处理。Preferably, when preparing the ultra-clear tempered glass, the glass is cut to a required size according to actual needs, and then the cut glass is edged and then tempered.

优选的,在步骤S5中将层压机内部预热到15-20℃,当双玻玻璃毛坯件放入层压机内部后,将初始热压温度调至50℃,当层压机内部温度达到预设的50℃后,进行加温加压,到温度达到125℃-130℃、压力值达到1.31.4MPa时,进行保温保压处理,保温保压50分钟。Preferably, in step S5, the inside of the laminator is preheated to 15-20°C. After the double-glass glass blank is placed inside the laminator, the initial hot-pressing temperature is adjusted to 50°C. When the internal temperature of the laminator After reaching the preset 50°C, heat and pressurize, and when the temperature reaches 125°C-130°C and the pressure value reaches 1.31.4MPa, heat preservation and pressure treatment is carried out for 50 minutes.

优选的,在步骤S6中,在降温降压处理过程中,先进行降温保压,使得层压机内部温度降至40℃后,开始进行降压处理,使得压力与大气压相同,然后再进行降温处理,使得温度达到10-15℃。Preferably, in step S6, during the temperature and pressure reduction process, the temperature and pressure are lowered first, so that the internal temperature of the laminator drops to 40°C, and then the pressure reduction process is started so that the pressure is the same as the atmospheric pressure, and then the temperature is lowered Treat so that the temperature reaches 10-15°C.

优选的,在电池片串焊结束后,利用EL检测仪对焊接后的电池片进行检测,查看是否存在虚焊和断栅的现象。Preferably, after the string welding of the battery slices is completed, an EL detector is used to detect the welded battery slices to check whether there is a phenomenon of virtual welding and broken grids.

本发明的技术效果和优点:Technical effect and advantage of the present invention:

1、本发明通过在对双玻玻璃毛坯件进行热压时,先进行预热处理,使得层压机内的初始温度达到15-20℃,便于后续放入双玻玻璃毛坯件进行升温升压处理时,不会因为双玻玻璃毛坯应温度突然增加,使得双玻玻璃毛坯内的EVA胶膜热熔后产生气泡,使得固化后双玻玻璃产生气泡,保证双玻玻璃的产品质量。1. In the present invention, when hot-pressing the double-glass glass blank, preheating is performed first, so that the initial temperature in the laminator reaches 15-20°C, which is convenient for subsequent heating and pressure increase of the double-glass glass blank. During processing, the EVA adhesive film in the double-glass glass blank will not generate bubbles after being melted due to the sudden increase in the temperature of the double-glass glass blank, which will cause bubbles in the double-glass glass after curing, ensuring the product quality of the double-glass glass.

2、本发明通过在冷却过程中,先进行降温处理,等待温度降到40℃后,将压力值降到与大气压相同的数值,然后在继续进行降温处理,得温度达到10-15℃,以便保证双玻玻璃不易因温度和气压的变化产生碎裂。2. In the cooling process, the present invention first carries out the cooling process, waits for the temperature to drop to 40°C, then reduces the pressure value to the same value as the atmospheric pressure, and then continues the cooling process until the temperature reaches 10-15°C, so that Ensure that the double-glass glass is not easily broken due to changes in temperature and air pressure.

3、本发明的制造工艺操作简单、方便,且提高了产品合格率,本发明制备的双玻产品抗击性好,经久耐用。3. The manufacturing process of the present invention is simple and convenient to operate, and the qualified rate of the product is improved. The double-glass product prepared by the present invention has good impact resistance and is durable.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合具体实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

一种带框双玻产品玻璃制造工艺,包括如下步骤:A glass manufacturing process for double-glass products with a frame, comprising the following steps:

S1、物料准备:准备电池片、焊带、超白钢化玻璃和EVA胶膜,在准备超白钢化玻璃时,根据实际需求,将玻璃裁切为所需的尺寸,然后对裁切后的玻璃进行磨边,然后进行钢化处理,得到超白钢化玻璃,同时也将EVA胶膜和焊带裁切为所需尺寸备用;S1. Material preparation: Prepare battery sheets, welding ribbons, ultra-clear tempered glass and EVA film. When preparing ultra-clear tempered glass, cut the glass to the required size according to actual needs, and then cut the cut glass Carry out edging, and then carry out tempering treatment to obtain ultra-clear tempered glass, and also cut the EVA film and welding tape to the required size for later use;

S2、电池片焊接:将单片电池片的负极进行焊接,将单焊完成的电池片背面朝上后片焊带对齐搭在前片背电极上,然后依次排放在串焊模板上,然后利用焊带进行焊接,形成一个电池板,在电池片串焊结束后,利用EL检测仪对焊接后的电池片进行检测,查看是否存在虚焊和断栅的现象;S2. Battery sheet welding: Weld the negative electrode of the single-sheet battery sheet, align the back electrode of the battery sheet with the back of the single-welded sheet facing up, and place it on the back electrode of the front sheet, and then arrange it on the string welding template in turn, and then use The ribbon is welded to form a battery board. After the string welding of the battery pieces is completed, the EL detector is used to detect the welded battery pieces to check whether there is a phenomenon of virtual welding and broken grid;

S3、层叠:在层叠前,先利用无纺布蘸取酒精对超白钢化玻璃表面进行擦湿清理,待酒精挥发后,再进行层叠,然后再自下而上依次放置超白钢化玻璃、EVA胶膜、电池板、EVA胶膜和超白钢化玻璃,同时将边框置于两组超白钢化玻璃的边缘处,形成双玻玻璃毛坯件;S3. Lamination: Before lamination, use non-woven fabric to dip alcohol to wipe and clean the surface of ultra-white tempered glass. After the alcohol volatilizes, perform lamination, and then place ultra-white tempered glass and EVA in sequence from bottom to top. Adhesive film, battery board, EVA adhesive film and ultra-clear tempered glass, and the frame is placed on the edge of two sets of ultra-clear tempered glass to form a double-glass glass blank;

S4、密封:在双玻玻璃毛坯件的边缘利用棉布包裹形成一个气流通道,然后将真空组件的吸嘴插入气流通道内,利用真空组件将双玻玻璃毛坯件夹层内的空气抽取,进行真空密封处理;S4. Sealing: Wrap the edge of the double-glass glass blank with cotton cloth to form an airflow channel, then insert the suction nozzle of the vacuum component into the airflow channel, and use the vacuum component to extract the air in the interlayer of the double-glass glass blank for vacuum sealing deal with;

S5、热压:将固定好双玻玻璃毛坯件放入层压机中进行热压,在热压前,先进行预热,使得层压机内部温度达到15-20℃,当双玻玻璃毛坯件放入层压机内部后,将初始热压温度调至50℃,当层压机内部温度达到预设的50℃后,进行加温加压,到温度达到125℃-130℃、压力值达到1.3-1.4MPa时,进行保温保压处理,保温保压50分钟;S5. Hot pressing: Put the fixed double-glass glass blank into the laminator for hot pressing. Before hot pressing, preheat it so that the internal temperature of the laminator reaches 15-20°C. After the parts are placed inside the laminator, adjust the initial hot pressing temperature to 50°C. When the internal temperature of the laminator reaches the preset 50°C, heat and press until the temperature reaches 125°C-130°C and the pressure value When it reaches 1.3-1.4MPa, carry out heat preservation and pressure treatment for 50 minutes;

S6、冷却:保温保压50分钟后,开始降温降压处理,在降温降压处理过程中,先进行降温保压,使得层压机内部温度降至40℃后,开始进行降压处理,使得压力与大气压相同,然后再进行降温处理,使得温度达到10-15℃;S6. Cooling: After heat preservation and pressure holding for 50 minutes, the temperature and pressure reduction treatment is started. The pressure is the same as the atmospheric pressure, and then the temperature is lowered so that the temperature reaches 10-15°C;

S7、清洁:取出热压后的双玻玻璃,然后进行表面清洁,剔除毛边。S7. Cleaning: take out the hot-pressed double-glass glass, and then clean the surface to remove burrs.

综上所述:本发明提供的一种带框双玻产品玻璃制造工艺,本发明通过在对双玻玻璃毛坯件进行热压时,先进行预热处理,不会因为双玻玻璃毛坯应温度突然增加,使得双玻玻璃毛坯内的EVA胶膜热熔后产生气泡,使得固化后双玻玻璃产生气泡,保证双玻玻璃的产品质量,且在冷却过程中,先进行降温处理,再进行降压处理,最后在继续进行降温处理,以便保证双玻玻璃不易因温度和气压的变化产生碎裂。To sum up: the present invention provides a glass manufacturing process with a framed double-glass product. The present invention preheats the double-glass glass blank before hot-pressing, so that the temperature of the double-glass blank will not be affected. The sudden increase makes the EVA adhesive film in the double-glass glass blank hot-melt to produce bubbles, which makes the double-glass glass produce bubbles after solidification, so as to ensure the product quality of the double-glass glass. pressure treatment, and finally continue the cooling treatment to ensure that the double-glass glass is not easily broken due to changes in temperature and air pressure.

最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (4)

1. A manufacturing process of double-glass product glass with frames is characterized in that: the method comprises the following steps:
s1, material preparation: preparing a battery piece, a welding strip, ultra-white toughened glass and an EVA adhesive film;
s2, welding a battery piece: welding the cathodes of the single battery pieces, aligning and overlapping the back welding strips of the battery pieces with the back faces facing upwards after the single welding on the back electrodes of the front pieces, sequentially arranging the battery pieces on a series welding template, and welding the battery pieces by using the welding strips to form a battery plate;
s3, stacking: sequentially placing the super-white toughened glass, the EVA adhesive film, the battery plate, the EVA adhesive film and the super-white toughened glass from bottom to top, and simultaneously placing the frames at the edges of two groups of super-white toughened glass to form a double-glass blank;
s4, sealing: air in the double-glass blank is pumped out, and vacuum sealing treatment is carried out;
in the sealing process, an air flow channel is formed by wrapping the edges of the double-glass blank with cotton cloth, and a suction nozzle of a vacuum assembly is inserted into the air flow channel in the sealing and vacuumizing process;
s5, hot pressing: placing the fixed double-glass blank into a laminating machine for hot pressing, and preheating before hot pressing;
in the step S5, preheating the interior of the laminating machine to 15-20 ℃, after the double glass blank is placed in the laminating machine, adjusting the initial hot pressing temperature to 50 ℃, after the interior temperature of the laminating machine reaches the preset 50 ℃, heating and pressurizing, and when the temperature reaches 125-130 ℃ and the pressure value reaches 1.3-1.4MPa, carrying out heat preservation and pressure maintaining treatment, and keeping the temperature and the pressure for 50 minutes;
s6, cooling: after the heat preservation and pressure maintaining are carried out for 50 minutes, the temperature and pressure reduction treatment is started;
in the step S6, in the cooling and depressurization process, cooling and pressure maintaining are firstly carried out so that the internal temperature of the laminating machine is reduced to 40 ℃, then depressurization is started so that the pressure is the same as the atmospheric pressure, and then cooling treatment is carried out so that the temperature reaches 10-15 ℃;
s7, cleaning: taking out the hot-pressed double glass, cleaning the surface of the double glass, and removing burrs.
2. The process for manufacturing the framed dual glass product glass as claimed in claim 1, wherein: in the step S3, before lamination, alcohol is dipped in non-woven fabrics to wipe and clean the surface of the ultra-white toughened glass, and lamination is performed after the alcohol volatilizes.
3. The process for manufacturing the framed dual glass product glass as claimed in claim 1, wherein: when preparing super-white toughened glass, cutting the glass into required size according to actual requirements, edging the cut glass, and then carrying out toughening treatment.
4. The process for manufacturing the framed dual glass product glass as claimed in claim 1, wherein: and after the series welding of the battery pieces is finished, detecting the welded battery pieces by using an EL detector to check whether the phenomena of cold joint and broken grid exist.
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