CN211780333U - Optical fiber type halogen light source - Google Patents
Optical fiber type halogen light source Download PDFInfo
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- CN211780333U CN211780333U CN202020045242.3U CN202020045242U CN211780333U CN 211780333 U CN211780333 U CN 211780333U CN 202020045242 U CN202020045242 U CN 202020045242U CN 211780333 U CN211780333 U CN 211780333U
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- halogen lamp
- holder
- optical fiber
- aspheric lens
- halogen
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Abstract
The utility model discloses an optic fibre formula halogen light source, it includes the casing, and the both sides of casing are equipped with left barn door and right light baffle respectively, and the casing downside is equipped with the bottom plate. The halogen lamp holder, the lens holder and the optical fiber fixing holder are sequentially arranged in the shell, the halogen lamp holder and the lens holder are fixed on the bottom plate, and the optical fiber fixing holder is fixed on the right light baffle plate. The halogen lamp holder is provided with a halogen lamp cup, the lens holder is provided with an aspheric lens, the centers of the halogen lamp cup, the aspheric lens and the optical fiber fixing frame are positioned on the same straight line, the curved surface side of the aspheric lens is opposite to the halogen lamp cup, and the plane side of the aspheric lens is opposite to the optical fiber fixing frame. The utility model discloses a set up aspheric lens between halogen lamp cup and optic fibre mount, improve the efficiency in the optical coupling to optic fibre in the optic fibre of pegging graft in the centre bore of optic fibre mount through the light gathering that aspheric lens sent the halogen lamp cup.
Description
Technical Field
The utility model relates to an optical fiber light source's technical field, in particular to optical fiber type halogen light source.
Background
The optical fiber halogen light source is a device for outputting light rays emitted by the halogen lamp to a designated area through the optical fiber, and the optical fiber is flexible, so that the light rays can be transmitted to any designated area through bending the optical fiber, and different application scenes are met. Since the spectrum of the halogen lamp is continuous in the visible-near infrared, the fiber-optic halogen light source is widely applied to the fields of spectrum detection and jewelry identification, and is an ideal visible-near infrared continuous light source for spectrum detection and jewelry identification.
The existing optical fiber halogen light source generally couples light into an optical fiber directly by selecting a halogen lamp cup with a proper divergence angle. The method has low coupling efficiency, and generally adopts a bulb with higher power in certain fields needing higher light intensity detection, the current of the bulb with high power is high, the heating at a wiring position is easy to be serious, and the service life of a light source is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model aims at providing an optic fibre formula halogen light source, its coupling efficiency is high, and the radiating effect is good.
In order to achieve the above object, the utility model provides an optical fiber type halogen light source, which comprises a housin, the both sides of casing are equipped with left barn door and right light baffle respectively, the casing downside is equipped with the bottom plate. The halogen lamp holder, the lens holder and the optical fiber fixing frame are sequentially arranged in the shell, the halogen lamp holder and the lens holder are fixed on the bottom plate, and the optical fiber fixing frame is fixed on the right light baffle plate.
The halogen lamp holder is provided with a halogen lamp cup, the lens holder is provided with an aspheric lens, centers of the halogen lamp cup, the aspheric lens and the optical fiber fixing frame are located on the same straight line, a curved surface side of the aspheric lens is opposite to the halogen lamp cup, and a plane side of the aspheric lens is opposite to the optical fiber fixing frame.
Optionally, the halogen lamp holder is fixed to the bottom plate by screws.
Optionally, the halogen lamp cup is fixed to the halogen lamp holder by a snap.
Optionally, the aspheric lens is a short-focus aspheric lens with a diameter of 50mm and a focal length of 35 mm.
Optionally, the lens holder is fixed to the base plate by screws.
Optionally, the lens holder is provided with a mounting hole, the planar side of the aspheric lens is inserted into the mounting hole, and the curved side of the aspheric lens is provided with a snap ring which is fastened in the mounting hole.
Optionally, the lamp further comprises a heat dissipation fan, and the heat dissipation fan is fixed on one surface of the right light shielding plate opposite to the halogen lamp holder. And the bottom plate and the left light barrier are provided with vent holes.
The technical scheme of the utility model through set up aspheric lens between halogen lamp cup and optic fibre mount, and make aspheric lens's curved surface side relative with the halogen lamp cup, aspheric lens's plane side is relative with the optic fibre mount, in the optic fibre of pegging graft in the centre bore of optic fibre mount is gathered to the light that sends the halogen lamp cup through aspheric lens, improve the efficiency of light coupling in the optic fibre, can reach the demand that uses low-power halogen bulb can realize the high power bulb, reduce the use current, reduce the risk of generating heat, increase the life of light source.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an optical fiber halogen light source of the present invention;
fig. 2 is a schematic diagram of optical path coupling.
In the reference numerals: 100-shell, 110-left light barrier, 120-right light barrier, 130-bottom plate; 200-halogen lamp holder, 210-halogen lamp cup; 300-lens holder, 310-aspheric lens, 310 a-curved side, 310 b-flat side, 320-snap ring; 400-optical fiber fixing frame, 410-snap ring; 500-Heat dissipation Fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 of the specification, an embodiment of the present invention provides an optical fiber halogen light source, which includes a housing 100, a left light barrier 110 and a right light barrier 120 respectively disposed on two sides of the housing 100, and a bottom plate 130 disposed on a lower side of the housing 100. The halogen lamp holder 200, the lens holder 300, and the optical fiber holder 400 are sequentially arranged in the housing 100, the halogen lamp holder 200 and the lens holder 300 are fixed on the bottom plate 130, and the optical fiber holder 400 is fixed on the right light shielding plate 120. The halogen lamp cup 210 is disposed on the halogen lamp holder 200, the aspheric lens 310 is disposed on the lens holder 300, centers of the halogen lamp cup 210, the aspheric lens 310 and the optical fiber holder 400 are located on the same straight line, a curved surface side 310a of the aspheric lens 310 faces the halogen lamp cup 210, and a flat surface side 310b of the aspheric lens 310 faces the optical fiber holder 400.
The halogen lamp cup 210 includes a halogen bulb at the center thereof and a reflecting cup which can concentrate light scattered from the halogen bulb to the curved side 310a of the aspherical lens 310.
As shown in fig. 2, before the light source is operated, the external optical fiber 600 is inserted into the central hole of the optical fiber holder 400. When the light source is operated, light emitted from the halogen lamp cup 210 is focused to the optical fiber 600 in the optical fiber holder 400 through the aspheric lens 310, thereby realizing optical coupling.
The technical scheme of the utility model through set up aspheric lens 310 between halogen lamp cup 210 and optic fibre mount 400, and make the curved surface side 310a of aspheric lens 310 relative with halogen lamp cup 210, the plane side 310b of aspheric lens 310 is relative with optic fibre mount 400, gather the optic fibre 600 of pegging graft in the centre bore of optic fibre mount 400 through the light that aspheric lens 310 sent halogen lamp cup 210, improve the efficiency in optical coupling to optic fibre 600, can reach the demand that uses low-power halogen bulb can realize high power halogen bulb, reduce the use current, reduce the risk of generating heat, increase the life of light source.
Alternatively, in the above embodiment, the halogen lamp holder 200 and the lens holder 300 are fixed to the base plate 130 by screws, so as to facilitate mounting and dismounting.
Alternatively, in the above embodiment, the halogen lamp cup 210 is fixed to the halogen lamp holder 200 by a snap. The lens holder 300 has a mounting hole, the flat side 310b of the aspheric lens 310 is inserted into the mounting hole, the curved side 310a is provided with a snap ring 320, and the snap ring 320 is fastened in the mounting hole and presses the aspheric lens 310 into the mounting hole of the lens holder 300. The fast fixing of the halogen lamp cup 210 and the aspheric lens 310 can be realized by adopting the snap structure and the snap ring 320, and the structure is simple and convenient to manufacture.
Alternatively, in the above embodiment, the aspheric lens 310 is a short-focus aspheric lens with a diameter of 50mm and a focal length of 35 mm. The short-focus aspheric lens can adapt to large-angle focusing in a small space, and has good focusing effect and high coupling efficiency.
Optionally, in the above embodiment, the light source further includes a heat dissipation fan 500, and the heat dissipation fan 500 is fixed on a surface of the right light-shielding plate 120 opposite to the halogen lamp holder 200; the bottom plate 130 and the left light-blocking plate 110 are provided with ventilation holes. By arranging the heat dissipation fan 500, heat generated by the operation of the halogen lamp cup 210 can be absorbed and removed from the housing 100, thereby improving the heat dissipation efficiency of the halogen lamp cup 210 and effectively ensuring the normal service life of the halogen lamp cup 210.
The above is only the preferred embodiment of the present invention, not used in the present invention, and any slight modifications, equivalent replacements and improvements made by the technical entity of the present invention to the above embodiments should be included in the protection scope of the technical solution of the present invention.
Claims (7)
1. An optical fiber type halogen light source is characterized by comprising a shell, wherein a left light barrier and a right light barrier are respectively arranged on two sides of the shell, and a bottom plate is arranged on the lower side of the shell; a halogen lamp holder, a lens holder and an optical fiber fixing frame are sequentially arranged in the shell, the halogen lamp holder and the lens holder are fixed on the bottom plate, and the optical fiber fixing frame is fixed on the right light baffle plate;
the halogen lamp holder is provided with a halogen lamp cup, the lens holder is provided with an aspheric lens, centers of the halogen lamp cup, the aspheric lens and the optical fiber fixing frame are located on the same straight line, a curved surface side of the aspheric lens is opposite to the halogen lamp cup, and a plane side of the aspheric lens is opposite to the optical fiber fixing frame.
2. The fiber-optic halogen light source of claim 1 wherein the halogen lamp holder is secured to the base plate by screws.
3. The fiber-optic halogen light source of claim 2 wherein the halogen lamp cup is secured to the halogen lamp holder by a snap fit.
4. The fiber-optic halogen light source of claim 1 wherein said aspheric lens is a short-focus aspheric lens having a diameter of 50mm and a focal length of 35 mm.
5. The fiber optic halogen light source of claim 4 wherein the lens holder is secured to the base plate by screws.
6. The fiber-optic halogen light source of claim 5 wherein the lens holder has a mounting hole, the aspheric lens has a flat side inserted into the mounting hole and a curved side having a snap ring, the snap ring being snap-fitted into the mounting hole.
7. The fiber-optic halogen light source of any one of claims 1 to 5 further comprising a heat dissipation fan fixed to a face of the right light shield opposite the halogen lamp holder; and the bottom plate and the left light barrier are provided with vent holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045242.3U CN211780333U (en) | 2020-01-09 | 2020-01-09 | Optical fiber type halogen light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045242.3U CN211780333U (en) | 2020-01-09 | 2020-01-09 | Optical fiber type halogen light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211780333U true CN211780333U (en) | 2020-10-27 |
Family
ID=72888025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045242.3U Active CN211780333U (en) | 2020-01-09 | 2020-01-09 | Optical fiber type halogen light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211780333U (en) |
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2020
- 2020-01-09 CN CN202020045242.3U patent/CN211780333U/en active Active
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