Application of Smart Screwdrivers in Automotive Inverters
2019-01-23
Speaking of inverters, most people probably know that they’re devices used to convert direct current (DC) into alternating current (AC). A car inverter, specifically, converts the DC 12V electricity from a vehicle’s battery into the commonly used AC 220V. In foreign markets, the automotive industry is already highly developed, and many families enjoy outdoor living. By using an inverter to transform battery power into household electricity, they can conveniently power various home appliances and tools even when they’re off-grid. Although this concept hasn’t yet fully taken root in China, as a convenient tool for converting DC to AC, inverters are gradually becoming an essential companion for cars.
Car inverters can output power ranging from 20W, 40W, 80W, 120W, to even 150W via the cigarette lighter socket. For inverters with higher power ratings, you’ll need to connect them directly to the car battery. Connecting household appliances to the inverter’s output terminals inside the car is just as convenient as using them at home. Appliances that can be used with an inverter include: mobile phones, laptops, digital camcorders, cameras, and more.
As an electronic device, its internal circuit boards and wiring are highly complex. Moreover, converting the DC electricity from a car into AC electricity for household appliances still carries certain risks. Therefore, assembly requires extremely high precision. If manual labor were used, not only would the process be cumbersome, but it would also be impossible to fully guarantee product quality.
Additionally, if the product requires secondary processing, the screws initially inserted may not need to be fully tightened—sometimes they’re only partially screwed in. In such cases, the depth and angle at which the screws are inserted can only be determined by workers based on their experience.
As far as we understand, some manufacturers assess whether the tightening is qualified by simply checking whether the heights of the screws are consistent after driving them in. Relying on the naked eye to make this judgment is indeed somewhat arbitrary. In contrast, smart screwdrivers can precisely control both the locking angle and torque, ensuring that every screw is tightened according to customized specifications. Alternatively, they can fully tighten the screws first and then back off slightly to reach a preset torque value. Once the required standards are met, there’s no need for manual inspection anymore. This not only boosts production efficiency but also guarantees product quality—truly achieving multiple benefits with one solution.
In every assembly application, tightening screws is an essential step. Relying on manual screw-tightening methods can no longer keep pace with the times. Smart screwdrivers can fully replace manual labor and perform tasks more efficiently—making them one of the indispensable pieces of equipment for the future assembly market.
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