LED light source, called light-emitting diode (Light Emitting Diode, abbreviated as LED) in modern society. In recent years, people's awareness of environmental protection is getting higher and higher, and LED light source is gradually used to replace traditional halogen light source.
The traditional surgical shadowless lamp uses a halogen bulb as the light source, and reflects the light to the surgical site through a multi-mirror reflector. The halogen light source used in this surgical shadowless lamp has a short service life, and the emitted spectrum contains ultraviolet to infrared light. Although modern technology can filter out most of the ultraviolet rays, long-term use of the overall reflective halogen surgical lamp will also Causes burning and discomfort to the patient
The main features of LED light source are low light source temperature, low power consumption, long service life, and adjustable color temperature. Compared with traditional halogen light sources, LED light sources have great advantages. So how is LED applied to the design and implementation of surgical shadowless lamps
At present, some papers have also discussed the detailed use of them in detail:
(1) The non-imaging optical design theory, LED light distribution design method and photometric characterization parameters are expounded, the main modules and functions of LightTools lighting design software are introduced, and the principle and method of ray tracing are discussed.
(2) On the basis of researching and discussing the design principle and design requirements of the surgical shadowless lamp, a scheme based on total internal reflection (TIR) lens design is proposed, and the total internal reflection lens is designed using LightTools software, and its energy harvesting is carried out. rate and uniformity are optimized. The LED surgical shadowless lamp is designed in the form of a 16×4 lens array, and the interval and rotation angle of the lens array are simulated, and the tolerance analysis of the lens and the simulation test of the software are completed.
(3) The samples of the LED surgical shadowless lamp were developed, and the samples were actually tested according to the performance requirements of the surgical shadowless lamp, including the central illumination, single shutter shadowless rate, double shutter shadowless rate, deep cavity shadowless rate, light beam The test results show that the performance of the sample basically meets the design requirements.
It is with the continuous improvement of people and the continuous improvement of the performance of the existing products that the new era has more stable performance and more cost-effective surgical shadowless lamp products. Times are changing, people's needs are improving, we As a manufacturer of surgical shadowless lamps, we will continue to produce better products to serve the society.
Post time: Feb-22-2022
