CN213912004U - Halogen tungsten lamp long-distance focusing system - Google Patents
Halogen tungsten lamp long-distance focusing system Download PDFInfo
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- CN213912004U CN213912004U CN202022816521.8U CN202022816521U CN213912004U CN 213912004 U CN213912004 U CN 213912004U CN 202022816521 U CN202022816521 U CN 202022816521U CN 213912004 U CN213912004 U CN 213912004U
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Abstract
A long-distance focusing system of a halogen tungsten lamp belongs to the technical field of medical instruments, and particularly relates to a long-distance focusing system of a halogen tungsten lamp applied to medical phototherapy. The utility model provides a safe and reliable, halogen tungsten lamp long distance focusing system that flexibility is strong. The utility model discloses a filter section and plastic section, its characterized in that: the light filtering section comprises a light filtering outer shell, one end of the light filtering outer shell is provided with a light filtering sheet, and the light filtering sheet can control the wavelength range of the halogen tungsten lamp to be 1000 nm-2500 nm; the shaping section comprises a shaping shell connected with the other end of the light filtering shell, and a shaping lens group is arranged in the shaping shell.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to be applied to medical light therapy's tungsten halogen lamp long distance focusing system.
Background
Light therapy (light therapy) is a method of preventing and treating diseases and promoting the recovery of the body by using sunlight or artificial light (infrared rays, ultraviolet rays, visible light, laser light). The light therapy in physiotherapy is artificial light radiation, and the infrared band light radiation is one of the light therapies. The changes obtained by the infrared warming effect mainly include the temperature rise on the skin surface, the improvement of the subcutaneous blood circulation dynamics, the relaxation of muscle tension, the alleviation of pain, the regulation of the normalization of autonomic nerves, and the like. Tungsten halogen lamps are used as radiation sources, the spectral range of the radiation generally covering the visible and near infrared bands. Since the wider the spectral range, the higher the heat radiation energy of the phototherapy device, the skin temperature to be irradiated will be above 46 ℃ and will cause scald and cause tissue damage such as blister. Because the wavelength range of the halogen tungsten lamp is 680 nm-3000 nm, certain risks can be brought if the irradiation intensity is not well mastered in the use process of the halogen tungsten lamp; meanwhile, the phototherapy equipment has a small working distance, so that the flexibility is poor and the use is inconvenient.
Disclosure of Invention
The utility model discloses just to above-mentioned problem, provide a safe and reliable, halogen tungsten lamp long distance focusing system that flexibility is strong.
In order to realize the above object of the present invention, the present invention adopts the following technical solution, the present invention includes a light filtering section and a shaping section, and is characterized in that: the light filtering section comprises a light filtering outer shell, one end of the light filtering outer shell is provided with a light filtering sheet, and the light filtering sheet can control the wavelength range of the halogen tungsten lamp to be 1000 nm-2500 nm; the shaping section comprises a shaping shell connected with the other end of the light filtering shell, and a shaping lens group is arranged in the shaping shell.
As an optimized scheme of the utility model, be provided with the cover that is in light blocking of awl cylindric for the light filter in the filter section.
Furthermore, the optical filter and the light blocking cover are fixed at the end part of the optical filtering shell through a clamp spring.
Furthermore, the clamp spring is of an arc-shaped structure, through holes are formed in two ends of the clamp spring, and a telescopic handle is arranged in each through hole.
The utility model has the advantages that: 1. the utility model discloses a set up the light filter, can be with halogen tungsten lamp wavelength range control at 1000nm ~ 2500nm, when not influencing treatment effeciency, can also reduce the influence of infrared radiation to the human body by a wide margin.
2. The utility model discloses a plastic lens group can set up as required to obtain required irradiation range and disperse the angle.
3. The utility model can carry out phototherapy for patients by changing different light blocking covers and light filters in cooperation with different phototherapy devices; the light blocking cover and the light filter can be manually replaced by using the clamp spring structure with the telescopic handle without special tools, so that the use is convenient, and the replacement is quick.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an external view of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
In the attached drawing, 1 is a snap spring, 2 is an optical filter, 3 is a light blocking cover, 4 is an optical filtering shell, 5 is a shaping shell, 6 is a shaping lens group, and 7 is a telescopic handle.
Detailed Description
The utility model discloses a filter section and plastic section, its characterized in that: the filtering section comprises a filtering outer shell 4, one end of the filtering outer shell 4 is provided with an optical filter 2, and the optical filter 2 can control the wavelength range of the halogen tungsten lamp to be 1000 nm-2500 nm; the shaping section comprises a shaping shell 5 connected with the other end of the filtering shell 4, and a shaping lens group 6 is arranged in the shaping shell 5.
As a preferred scheme of the utility model, be provided with the cover in the light blocking 3 of awl cylindric relative to light filter 2 in the filter section.
Further, the optical filter 2 and the light blocking cover 3 are fixed at the end of the optical filtering shell through a clamp spring 1.
Furthermore, the clamp spring 1 is of an arc-shaped structure, through holes are formed in two ends of the clamp spring 1, and a telescopic handle 7 is arranged in each through hole.
The shaping lens group 6 uses three lenses, the three lenses are made of quartz material JGS3, and the three lenses are all curved.
The shaping shell 5 and the filter shell 4 are connected through threads.
During the use, will the utility model discloses with the cooperation of halogen tungsten lamp light source, the utility model discloses a terminal length fixation to halogen tungsten lamp light source is 130mm, and the distance fixation between light filter 2 and the halogen tungsten lamp light source is 45mm, the utility model discloses a distance of light-emitting window to operating point is for being 70 mm.
The position of 45mm of light emitted by the halogen tungsten lamp is set as a secondary light source (an optical filter 2), and a certain distance of about 90mm is formed between the secondary light source and the shaping section (three lenses).
Too high a divergence angle of the light source can also increase unnecessary system design difficulties, as too low a divergence angle setting of the light source can result in too low a system energy transfer efficiency. And because the halogen tungsten filament is a lambertian radiator, the maximum light divergence angle of the halogen tungsten filament directly emitted to the position of the secondary light source and the 0.707-aperture light divergence angle of the halogen tungsten filament emitted to the position of the secondary light source after being reflected by the reflecting cup are used as the setting standards of the system divergence angle.
Optical system's optimization in-process, the evaluation standard does the utility model discloses the diameter of back 70mm department is the energy acceptance efficiency of 25 mm's facula, in system optimization in-process, will the utility model discloses total length to halogen tungsten lamp light source is fixed 130mm, makes the lens quantity of system be not more than 3 forever.
The utility model discloses optical system's performance evaluation index does the utility model discloses the focusing facula energy efficiency and the degree of consistency of back working distance 70mm department. The utility model discloses back working distance 70mm department has formed the even circular facula that a diameter is 25mm, and the energy distribution of facula is even, and energy acceptance efficiency reaches nearly 55%. The difference of peak-valley irradiance of a circular light spot with the diameter of 25mm formed at the rear working distance of 70mm of the optical system is 0.0006W/m2The difference of peak-valley irradiance of a circular light spot with the center of 10mm is 0.0001W/m2The energy distribution of the circular light spots is uniform, and the requirement of design indexes is met.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (6)
1. Halogen tungsten lamp long distance focusing system, including filtering section and plastic section, its characterized in that: the light filtering section comprises a light filtering outer shell (4), one end of the light filtering outer shell (4) is provided with a light filtering sheet (2), and the light filtering sheet (2) can control the wavelength range of the halogen tungsten lamp to be 1000 nm-2500 nm; the shaping section comprises a shaping shell (5) connected with the other end of the light filtering shell (4), and a shaping lens group (6) is arranged in the shaping shell (5).
2. The tungsten halogen long distance focusing system of claim 1, wherein: and a cone-shaped light blocking cover (3) is arranged in the filter section relative to the filter (2).
3. The tungsten halogen long distance focusing system of claim 2, wherein: the optical filter (2) and the light blocking cover (3) are fixed at the end part of the optical filtering shell through the clamp spring (1).
4. The tungsten halogen long distance focusing system of claim 3, wherein: the clamp spring (1) is of an arc-shaped structure, through holes are formed in two ends of the clamp spring (1), and a telescopic handle (7) is arranged in each through hole.
5. The tungsten halogen long distance focusing system of claim 1, wherein: the shaping lens group (6) uses three lenses, the three lenses are made of quartz material JGS3, and the three lenses are all curved.
6. The tungsten halogen long distance focusing system of claim 1, wherein: the shaping shell (5) and the filtering shell (4) are connected through threads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022816521.8U CN213912004U (en) | 2020-11-30 | 2020-11-30 | Halogen tungsten lamp long-distance focusing system |
Applications Claiming Priority (1)
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CN202022816521.8U CN213912004U (en) | 2020-11-30 | 2020-11-30 | Halogen tungsten lamp long-distance focusing system |
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CN213912004U true CN213912004U (en) | 2021-08-10 |
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CN202022816521.8U Active CN213912004U (en) | 2020-11-30 | 2020-11-30 | Halogen tungsten lamp long-distance focusing system |
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2020
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