A car luminaire is a complete lighting unit with multiple elements. The design of the reflector is a systematic process, which should be comprehensive according to the functions and environmental requirements of the specific luminaire. The following design elements are comprehensively considered. The choice of the vehicle light source and the design of the lamp position can be used in many types of light sources for automotive lamps. Not all light sources meet the specific functions of the luminaire. When designing, select the light source that matches the requirements of the luminaire from the aspects of the size, power, color rendering index, luminous efficiency, life, and color of the light source. For example, in a visual work where color discrimination is required, we have to choose a light source with good color rendering. In places that are difficult to install and replace, we have to choose a light source with a long life. In creating a warm, festive light environment, we have to choose a warm light source. Under the premise that all other conditions are met, we should choose a light source with high luminous efficiency.
There are many kinds of light sources whose illumination is affected by the direction of the lighting. Up, down, lateral, and lateral directions may affect the normal illumination of the light source or even extinguish. For example, changes in the position of the center of illumination and offset can change the predetermined light output of the optical system, thereby affecting the lighting function of the luminaire. Therefore, choosing the right lamp position is an element of the reflector design.
Automotive Optical System Design The most basic and most important function of automotive luminaires is to change the spatial distribution of the light through a reasonable optical system based on the light output distribution of the light source to meet the requirements of specific lighting applications. Therefore, the design of the luminaire optical system is the core of the luminaire design. Generally used optical systems are reflective, transmissive and reflective and transmissive.
The design of the reflector should consider the reflection coefficient of the reflective material, the shape of the reflection distribution, and the composition of the appropriate reflective surface, the starting angle and the cutoff angle of the reflector, the distance between the center of the light and the apex of the reflector, and the light source. The impact of scale. For lamps that require high light efficiency and good directionality, specular reflection materials can be used. For lamps with soft lighting requirements, diffuse reflective materials can be used. A larger cut-off angle can be used for luminaires that require high glare control. For special luminaires with light output distribution rules, you can choose suitable special geometric surfaces, such as paraboloids, ellipsoids, etc. For luminaires with uneven light distribution (such as car headlights), complex surfaces, even free-form surfaces, are used.
The design of the refractor should take into account the refractive index of the refractive material, the ability to split the light, and also the composition of the appropriate refractive surface. The general refraction methods include lens refraction, plate refraction, prism refraction and pyramid refraction. Choosing the proper refraction mode and controlling the geometric parameters of the refraction unit are the key to the lamp refractor design.
Selection of automotive luminaire materials Design of automotive luminaire structure The structural design of the luminaire includes the structural design and overall structural design of the components. A good luminaire structure design makes the luminaire compact, firm and safe, and easy to install and disassemble. The structure design of the luminaire should take into account the size and combination of the components, and also consider the mechanical properties, thermal resistance, shock resistance and other factors of the components.
Electrical performance, safety design Reflector electrical performance, safety design is an important part of ensuring smooth and reliable operation of lamps. For lamps with different electrical safety level protection requirements, corresponding design must be adopted to achieve the specified performance.
A car luminaire is a complete lighting unit with multiple elements. The design of the reflector is a systematic process, which should be comprehensive according to the functions and environmental requirements of the specific luminaire. The following design elements are comprehensively considered. The choice of the vehicle light source and the design of the lamp position can be used in many types of light sources for automotive lamps. Not all light sources meet the specific functions of the luminaire. When designing, select the light source that matches the requirements of the luminaire from the aspects of the size, power, color rendering index, luminous efficiency, life, and color of the light source. For example, in a visual work where color discrimination is required, we have to choose a light source with good color rendering. In places that are difficult to install and replace, we have to choose a light source with a long life. In creating a warm, festive light environment, we have to choose a warm light source. Under the premise that all other conditions are met, we should choose a light source with high luminous efficiency.
There are many kinds of light sources whose illumination is affected by the direction of the lighting. Up, down, lateral, and lateral directions may affect the normal illumination of the light source or even extinguish. For example, changes in the position of the center of illumination and offset can change the predetermined light output of the optical system, thereby affecting the lighting function of the luminaire. Therefore, choosing the right lamp position is an element of the reflector design.
Automotive Optical System Design The most basic and most important function of automotive luminaires is to change the spatial distribution of the light through a reasonable optical system based on the light output distribution of the light source to meet the requirements of specific lighting applications. Therefore, the design of the luminaire optical system is the core of the luminaire design. Generally used optical systems are reflective, transmissive and reflective and transmissive.
The design of the reflector should consider the reflection coefficient of the reflective material, the shape of the reflection distribution, and the composition of the appropriate reflective surface, the starting angle and the cutoff angle of the reflector, the distance between the center of the light and the apex of the reflector, and the light source. The impact of scale. For lamps that require high light efficiency and good directionality, specular reflection materials can be used. For lamps with soft lighting requirements, diffuse reflective materials can be used. A larger cut-off angle can be used for luminaires that require high glare control. For special luminaires with light output distribution rules, you can choose suitable special geometric surfaces, such as paraboloids, ellipsoids, etc. For luminaires with uneven light distribution (such as car headlights), complex surfaces, even free-form surfaces, are used.
The design of the refractor should take into account the refractive index of the refractive material, the ability to split the light, and also the composition of the appropriate refractive surface. The general refraction methods include lens refraction, plate refraction, prism refraction and pyramid refraction. Choosing the proper refraction mode and controlling the geometric parameters of the refraction unit are the key to the lamp refractor design.
Selection of automotive luminaire materials Design of automotive luminaire structure The structural design of the luminaire includes the structural design and overall structural design of the components. A good luminaire structure design makes the luminaire compact, firm and safe, and easy to install and disassemble. The structure design of the luminaire should take into account the size and combination of the components, and also consider the mechanical properties, thermal resistance, shock resistance and other factors of the components.
Electrical performance, safety design Reflector electrical performance, safety design is an important part of ensuring smooth and reliable operation of lamps. For lamps with different electrical safety level protection requirements, corresponding design must be adopted to achieve the specified performance.
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