"Spotlight Hotel ,Commercial Light FOSHAN CITY KURUI LIGHTING CO.,LTD , https://www.kuruilighting.com
Vision is actually the imaging of the eye's lens, photoreceptor cells, and the conversion of light signals into nerve currents, which are transmitted back to the brain to cause the body's vision. Sensitization of photoreceptor cells depends on some photopigments. The formation of photopigments takes some time, which forms the mechanism of visual suspension. When an object moves fast, when the image seen by the human eye disappears, the human eye can still retain images of its image for about 0.1-0.4 seconds. This phenomenon is called visual persistence. It is a property that the human eye has. When the human eye looks at an object, it is imaged on the retina and is input by the optic nerve into the human brain and feels the image of the object. However, when the object is removed, the optic nerve's impression of the object does not disappear immediately, but it takes 0.1-0.4 seconds to continue. This kind of nature of the human eye is called the "vision persistence of the eye."
The phenomenon of persistence of vision was first discovered by the Chinese people, and the use of the earliest visual persistence was based on historical records. The Song Dynasty had a light and it was called "horse riding lights." Then the French Paul Rogue invented the photo disk in 1828. It was a disk that was crossed on both sides by a rope. A bird was painted on one side of the dish and an empty cage was painted on the other side. When the disc rotates, the bird appears in the cage. This proves that when the eye sees a series of images, it keeps one image at a time.
What is the working principle of the stroboscope bulb?
The stroboscope light bulb is made of special hard glass tube or quartz glass tube, and is formed by clicking on a special process at high temperature on both ends of the glass. The stroboscope lamp is filled with high-purity special gas, and is wound around the lamp tube. A gas discharge lamp made of metal wire or coated with special developed film.
The work of the stroboscope light bulb needs a set of several times of circuit components to work. The function and work of each part of the circuit are as follows:
Capacitor C3 is the discharge of the bulb for storage, and it is powered by a DC power supply V. The capacitor Ct is a voltage divider that stores trigger energy and is composed of resistors R1 and R2. The generated voltage divider Vt charges the capacitor Ct. The Vt value is the primary input voltage value of the trigger coil. The primary line group of the trigger coil T2 is connected to the control switch S and forms a loop with the capacitor Ct, and the secondary coil group between the trigger lines and the trigger line of the flash tube. Connected, when the switch S is closed, the stored power of the Ct is released to the primary of the trigger coil. Then the primary has a high-voltage pulse-sensing output of several thousand volts and acts on the trigger pole of the stroboscope bulb. The high-voltage pulse ionizes the helium gas in the stroboscope bulb and forms an ionization with the electrode in the bulb and forms with the electrode in the bulb. Ion conduction, ionization conduction so that a sudden drop in internal resistance of the bulb, resulting in the storage capacitor Cs discharge into the bulb, the capacitor Cs strong power into the tube into avalanche ionization, the formation of an arc discharge state, resulting in a strong light output. Discharge causes the Cs voltage to dip. After falling to a certain degree, the avalanche ionization cannot be maintained, so that the electric discharge state is stopped and the bulb is extinguished.
Stroboscope observation principle
The stroboscope emits a flash at regular intervals. Use the persistence of the human eye's vision to make the dynamic object static. The stroboscope can be used to measure the rotation speed of a fan, the flow velocity of a water droplet, the vibration frequency of a chord, and the characteristics of observation of a one-dimensional standing wave. From this, the formation, regularity, characteristics, and intrinsic physical meaning of some moving objects can be revealed.