In the production process of photovoltaic cells, traditional inductive proximity switches cannot be detected due to their physical characteristics. Before the silicon wafer is flanked, it has high brightness and high reflectivity characteristics. After being flanked, it absorbs light again, which makes conventional photoelectric sensors unable to detect stably to a certain extent.
There fore, for the special environment of photovoltaic cell production equipment, it is necessary to choose sensors with high sensitivity and good stability to ensure accurate and reliable detection results. Capacitive sensors have become the "best choice" for completing detection tasks in photovoltaic cell production equipment.
How to select suitable capacitive sensors in the photovoltaic field to achieve cost reduction, efficiency improvement, and stable operation?
1. M12/M18 series capacitive sensors "Defense Master".
Reason for recommendation:
1. Strong EMC resistance
2. Adjustable knob
3. High precision
4. Stable and reliable
Model：CN6-M12NO60-P0C2/B（left）
Model：CN15-M18NO80-P0C2/B（right）
Large robots are usually used in the loading and unloading equipment of silicon wafers. Due to its existence, it has caused "terrifying" EMC interference in the field of electronic products, making it difficult for other electronic products to operate stably and even directly damaged. Due to the requirements of the process, quartz boats and graphite boats have high temperatures, and the increase in temperature will affect the accuracy detection, leading to problems such as missed detection, false detection, and inaccurate positioning.
The M12/M18 series cylindrical capacitor switch has strong EMC resistance and can be called a "defense expert" in applications. Its performance is reliable and stable, and it is highly recognized by industry users.
2.Q40E series capacitive sensor "rapid response"
Reason for recommendation:
1. Adjustable high knob
2. Detection distance 15mm
3. Frequency 100Hz
Model：：CS15-Q40ENO-P0G/B
As the demand for single machine production increases among end-users, the operating cycle of the equipment also accelerates, which means that the detection speed of sensors needs to be increased in order to meet the needs of the equipment. The Q40E series relies on its high-frequency advantage of up to 100Hz, which can easily meet the challenge of "fast pace" and achieve a production capacity of 6000pcs/hr.
Automation solutions for the photovoltaic industry
Kronz provides a wide range of product solutions for photovoltaic automation equipment, including ultrasonic sensors for detecting silicon wafer grasping of single and double sheets, capacitive sensors for detecting silicon wafers on conveyor line stacking devices, remote monitoring and control, and remote I/O modules for centralized management and data transmission.
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