The main differences between tungsten wires of different types of halogen lamps are as follows:
- Material composition and purity
High-voltage halogen lamps: their tungsten wires are usually made of high-purity tungsten materials to ensure sufficient stability and durability under high temperature and high pressure environments. High-purity tungsten wires can reduce the impact of impurities, improve luminous efficiency and extend service life.
Low-voltage halogen lamps: In addition to pure tungsten wires, tungsten alloy filaments may also be used. While maintaining a high melting point, tungsten alloy filaments may have better mechanical properties and creep resistance, which helps to improve the stability and life of low-voltage halogen lamps. However, the cost of tungsten alloy filaments is usually higher than that of pure tungsten wires.
- Structure and size
High-voltage halogen lamps: Due to the high operating voltage, the tungsten wires of high-voltage halogen lamps may require thicker or longer designs to withstand higher currents and higher temperatures. At the same time, the shape of the tungsten wire (such as a spiral) may also be optimized to improve luminous efficiency and heat dissipation performance.
Low-voltage halogen lamps: The tungsten wires of low-voltage halogen lamps are usually thinner or shorter to adapt to lower operating voltages and currents. In addition, the shape and arrangement of the tungsten wires may also be optimized according to specific lighting needs.
- Performance characteristics
High-voltage halogen lamps: The tungsten wires of high-voltage halogen lamps can withstand higher temperatures and greater current shocks, so they usually have higher luminous efficiency and longer service life. However, due to the harsh working conditions, the cost and maintenance costs of high-voltage halogen lamps are also relatively high.
Low-voltage halogen lamps: Although the tungsten wires of low-voltage halogen lamps may be slightly inferior to high-voltage halogen lamps in terms of working conditions and performance, they have lower power consumption, smaller size and a wider range of applications. Low-voltage halogen lamps are generally used in home lighting, commercial places and other places that require soft light and energy-saving effects.
- Application scenarios
High-voltage halogen lamps: Commonly used in places that require high brightness and long-distance lighting, such as stadiums, large building exterior wall lighting, etc. In addition, high-voltage halogen lamps are also commonly used in places such as car headlights that require high-brightness focusing effects.
Low-voltage halogen lamps: widely used in home lighting, commercial decorative lighting, museums and art galleries, and other places that require high color rendering and soft light. In addition, low-voltage halogen lamps are also commonly used in photography fill lights, microscope lighting and other fields.
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