Overview Quartz watch (quartz watch) is short for quartz electronic watch, also known as quartz watch, which includes quartz watch and quartz clock. Quartz watch is the use of quartz crystal by electric drive to produce regular vibration principle, it is thinner than the traditional mechanical watch, precision, while avoiding the need to use the mechanical winding winding on the red tape, and has been popularized. The first quartz watch first appeared in 1969, during which Japan's Seiko companies discovered how to make quartz into a tuning fork, bringing about changes in the concept of time and social life. The application of quartz crystal makes the watch can be mass-produced, not only the production speed is much faster than before, the price also will decline. As of 2010, the world can produce about 500 million watches per year, enough for global use. Quartz watches can be divided into types of digital quartz watch, pointer quartz watch, automatic quartz watch and kinetic energy watch. 1, digital quartz watch quartz crystal piezoelectric effect and the combination of the diode liquid crystal display watch, its function is completely completed by the electronic components. 2, pointer quartz watch quartz watch energy from silver oxide button batteries, silver oxide button batteries to the integrated circuit to provide a specific voltage, through which the oscillator circuit and the quartz resonator so that the quartz oscillator start-up oscillator source. The formation of alternating two-way pulse signal, which drives the stepper motor for intermittent rotation! Drive the transmission train further, so that the accuracy of the indicator shows time. 3, automatic quartz watch set automatic mechanical watches and quartz watch advantages in one. It does not need batteries, the wearer can choose manual winding, but also choose automatic charging. Its operating principle is to use the arm's dance to drive the pendulum within the table to produce energy to promote the internal micro-motor into energy, so as to provide adequate quartz watch power device, while the excess energy will be micro-capacitors stored for use . Display 1, pointer quartz watch, also known as analog quartz watch. Analogue dial face with traditional mechanical watch. According to need, can be made into three needles or two needles, you can attach a single calendar or double calendar. Is a popular quartz watch. 2, digital quartz watch without a pointer but with digital display time. There are two ways to display. (1), light-emitting diode display (referred to as LED). Due to large power consumption, is no longer used; (2), liquid crystal display (referred to as LCD). Used for most digital quartz watches nowadays. It consumes less power, has a simple structure and low cost. But the liquid crystal display is passive light, in the dark have table lighting to see the figures, while LCD viewing angle smaller. (3), dual display quartz watch. Combined with the advantages of the two quartz watches above. It is both pointer quartz watch pointer, but also figures show that full-featured. Features 1, the quartz watch travel time second hand is a jump, walking time is very accurate, the general requirements of the moon in less than 15 seconds, there are two kinds of three-pin and two, the use of integrated circuits in the movement, the structure is simpler than the mechanical movement Assembly is very easy. 2, quartz watch easy to use, no need to wear clockwork, a battery generally available 2-3 years. However, some quartz watches with lithium batteries, long life, available 7-8 years or so. 3, its price is cheaper than mechanical watches (with the same style with the brand), but some high-grade quartz watch expensive brand is due to good brand, good appearance materials (18k gold or diamond or precious metal), excellent design, resulting in some quartz watch than General mechanical watch value is much higher. Principle Quartz is an oxide composed of silicon dioxide (SiO2). Quartz vibrates when placed in an oscillating circuit. Under certain conditions, quartz conveys its own frequency to the circuit. If this property is applied Quartz movement, through the quartz oscillator can be converted into kinetic energy, the use of mechanized equipment mass production circuit board, together with the resistance and capacitance, the watch's precise travel time.
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