The principle of weighing machine _ the use of weighing machine
The principle of weighing machine Basic principles and applications, I look forward to helping you understand the weighing machine. What is a weighing machine? The weighing machine is a kind of equipment for weighing the net weight, but it is different from the general weighing machine. It converts the net weight data signal of the object into an electronic signal, and displays the net weight of the object according to the electronic signal. device. The application of the weighing machine should consider whether the application environment is suitable, and the poor application environment will harm its work. At this stage, there are many types of weighing machines on the market, such as optical type, hydraulic type, capacitive sensor, and magnetic force type. Each type has its own characteristics and different applications. The principle of weighing machine In the application of weighing machine, three components give full play to the key functions: polyurethane elastomer, resistance strain gauge and test power circuit. At the beginning of weighing, once the object is installed on the sensor, the polyurethane elastomer will be deformed by the working pressure of the object, and the deformation of the polyurethane elastomer will cause the resistance strain gauge on its surface to follow the deformation, and the deformation of the resistance strain gauge It also causes its resistance value to change, and then the expansion or reduction of the resistance value will be converted into an electronic signal through the inspection power circuit, and then the information can be displayed to show the net weight of the object, so that all weighing is completed. Let’s introduce the three key positions of the weighing machine. The effect of polyurethane elastomer is very immediate. It needs to recognize the interaction force of external objects and use recoil force to bear the interaction force of this object. It is necessary to cause the transformation of the resistance strain gauge to make all the weighing scales unfold; the resistance strain gauge is a transmission component, which converts the interaction force of the polyurethane elastomer on it into the change of resistance value, and then transmits the information of this kind of change. For the next step, the composition of the resistance strain gauge is actually a heating wire and an organic material base. The extension of the heating wire can cause the transformation of the resistor; it is very important to test the efficacy of the power circuit, so the power circuit must be strong. The anti-interference ability ensures that the data signal transformation is not easily affected by the surrounding environment, so that the weighing can be guaranteed. The use of weighing machines Weighing machines are actually widely used in the weighing industry. Many objects with large net weights that cannot be weighed can be weighed by weighing machines. For example, for the weighing of trucks on the highway, now a weighing bridge is built on the highway, and a weighing machine is installed on the weighing bridge, so that if the truck travels to the weighing bridge, it can be weighed and inspected. Does it have the problem of overloading, so that even if the weighing work becomes easier and easier, it will not endanger the driving of other motor vehicles. With the development of science and technology, the weighing machine is also continuously improved, and it is believed that its main use will become more and more extensive.
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