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In the future, the establishment of food traceability system for eggs is an irresistible trend. Therefore, establishing an egg quality traceability system is not only a need to adapt to national policies and protect people's health, but also a good way to adapt to market trends and enhance corporate brands.
The vibrating lens is composed of a stator, a rotor and a detecting sensor. The vibrating lens uses a permanent magnet as the magnetic core, the detecting sensor simulates the galvanometer as a capacitive sensor, and the digital galvanometer is a grating detecting sensor. The capacitive sensor is a small change in the capacitance of the detecting sensor when the motor is oscillating. The change in the capacitance is converted into an electrical signal, fed back to the manipulator, and then closed-loop controlled. The scale sensor is used to measure the actual deflection point of view through the grating ruler, and then converted into an electrical signal, which is fed back to the manipulator for closed-loop control. Because the rotor is a coil, the coil is relatively large in volume and large in inertia, which is not conducive to rapid response, so it is not used at all. The dynamic magnetic type hollow core magnetic core is tightly mounted on the rotating shaft, and the volume is small and the inertia is small, so the rapid response function is excellent.
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Read MoreThe motor uses the magnetic field as the medium and uses the electromagnetic induction to complete the energy conversion. Therefore, the internal circuit must have a magnetic circuit that conducts magnetic flux and a circuit that conducts current. When the motor performs energy conversion, it should have two major components for relative motion: the component that establishes the excitation magnetic field and the component that is inductive. The movement is called the rotor, and the stop is called the stator. The generator absorbs mechanical power from the mechanical system and outputs electrical power to the electrical system; the electric motor absorbs electrical power from the electrical system and outputs mechanical power to the mechanical system. During the internal energy conversion process of the motor, there are electrical energy, mechanical energy, magnetic field energy and thermal energy. During this period, the thermal energy is caused by the internal energy loss of the motor, and the design is minimized. For the motor, the energy input from the power supply = the energy storage in the coupled electromagnetic field + the internal energy loss of the motor + the mechanical energy of the output. For the generator, the mechanical energy input from the mechanical system = the energy storage in the coupled electromagnetic field + motor Internal loss energy + output power.
Read MoreAn ordinary inkjet printer is a marking device that uses the ink jet principle. Its working principle is to eject ink from the nozzle through high-pressure gas to form the required text, pattern and other information. The advantages of ordinary inkjet printers are mainly reflected in the following aspects:
In our daily life, fakes are everywhere. But what people are most disgusted with is the anti-counterfeiting of medicine, anti-counterfeiting of food, and anti-counterfeiting of cosmetics, which not only damages people's materials, but also lays down serious hidden dangers to people's health. This problem cannot be delayed. In reality, criminals use a variety of counterfeiting methods to make consumers hard to guard against. Fortunately, there is now a high-end anti-counterfeiting technology - variable two-dimensional code anti-counterfeiting packaging, which applies the principle of one item one code to prevent counterfeiting who have nowhere to start.
Pharmaceutical and health care products industry: Print information such as drug name, specifications, production date, expiration date, etc. on the packaging of drugs and health care products to ensure the safety of consumers' medication.