CN221301267U - Deuterium-halogen combined light source - Google Patents

Abstract

The utility model discloses a deuterium-halogen combined light source, which comprises a shell, wherein a circuit board, a halogen lamp and a deuterium lamp are arranged in the shell, the halogen lamp and the deuterium lamp are electrically connected with the circuit board, and a first lens, a semi-transparent semi-reflective spectroscope, a second lens, a third lens, a collimating lens and an optical fiber interface are sequentially arranged on a light-transmitting light path of the halogen lamp; a fourth lens is arranged between the deuterium lamp and the semi-transparent semi-reflective spectroscope. The utility model can provide deuterium-halogen combined light source with the wavelength ranging from 215 nm to 2500nm and continuously and stably output, and adopts a multi-path air cooling and heat sink structure, so that the optimal working temperature of the light source is ensured, the light source output is stable, a professional optical collimating focusing lens is adopted, the light source can be efficiently coupled into an optical fiber, the output light intensity is improved, and meanwhile, the light source intensity of the halogen lamp is adjustable, and the applicability is improved.

Description

Deuterium-halogen combined light source

Technical Field

The utility model relates to the technical field of light sources, in particular to a deuterium-halogen combined light source.

Background

The light source is widely applied to the fields of optical fiber sensing, material physical property research transmission, reflection measurement, color measurement, ultraviolet absorption measurement, spectral characteristic analysis, industrial process control, optical elements, film measurement and the like. The existing light source has the defects of narrow wavelength range, low intensity and narrow application range.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides the deuterium-halogen combined light source which can provide the deuterium-halogen combined light source with the continuous and stable output of the wavelength range of 215-2500nm, and adopts a multi-channel air cooling and heat sink structure, so that the optimal working temperature of the light source is ensured, the light source output is stable, a professional optical collimation focusing lens is adopted, the light source can be efficiently coupled into an optical fiber to improve the output light intensity, and meanwhile, the light source intensity of the halogen lamp is adjustable, so that the applicability is improved.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

The deuterium-halogen combined light source comprises a shell, wherein a circuit board, a halogen lamp and a deuterium lamp are arranged in the shell, the halogen lamp and the deuterium lamp are electrically connected with the circuit board, and a first lens, a semi-transparent semi-reflective spectroscope, a second lens, a third lens, a collimating lens and an optical fiber interface are sequentially arranged on a light-transmitting light path of the halogen lamp; and a fourth lens is arranged between the deuterium lamp and the semi-transparent semi-reflective spectroscope. Light emitted by the halogen lamp is condensed by the first lens and then passes through the semi-transparent semi-reflective spectroscope, light emitted by the deuterium lamp is condensed by the fourth lens and then reflected by the semi-transparent semi-reflective spectroscope, and after two paths of light are converged, the two paths of light pass through the second lens, the third lens and the collimating lens in sequence and then are connected into an optical fiber through an optical fiber interface.

The emission light paths of the halogen lamp and the deuterium lamp are arranged at an angle of 90 degrees.

The first lens is an aspheric lens, and the second lens and the third lens are plano-convex lenses.

And a shutter assembly is arranged between the third lens and the collimating lens and comprises a light shielding sheet and a motor for controlling the rotation of the light shielding sheet, wherein the number of the light shielding sheets can be 1 or two, and the motor is electrically connected with the circuit board.

And a heat dissipation assembly is arranged in the shell and comprises an air cooling assembly or/and a heat sink structure.

The air cooling assembly comprises a plurality of groups of cooling fans arranged on the shell.

The heat sink structure includes a heat dissipating lamp housing disposed external to the halogen lamp and/or deuterium lamp.

The shell is provided with a halogen lamp brightness adjusting knob which is electrically connected with the circuit board.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model can provide deuterium-halogen combined light source with continuous and stable output in the wavelength range of 215-2500nm, and the light source refrigeration mode adopts a multi-path air cooling and heat sink structure, thereby ensuring the optimal working temperature of the light source and ensuring the stable output of the light source.

2. The light source of the utility model adopts a special optical collimation focusing lens, and can be efficiently coupled into an optical fiber to improve the output light intensity.

3. The halogen lamp has adjustable light source intensity and improved applicability.

4. The shutter assembly of the present utility model can be configured for manual or TTL shutter control.

Drawings

Fig. 1 is a schematic view of the external structure of the present utility model.

Fig. 2 is a schematic view of the internal structure of the present utility model.

Fig. 3 is a schematic structural view of the present utility model.

The reference numbers shown in the drawings: 1. a housing; 2. a circuit board; 3. a halogen lamp; 4. a deuterium lamp; 5. a first lens; 6. a semi-transparent semi-reflective spectroscope; 7. a second lens; 8. a third lens; 9. a collimating lens; 10. an optical fiber interface; 11. a fourth lens; 12. a light shielding sheet; 13. a motor; 14. a heat radiation fan; 15. a halogen lamp brightness adjusting knob.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined by the claims.

As shown in fig. 1-3, the utility model provides a deuterium-halogen combined light source, which comprises a shell 1, wherein a circuit board 2, a halogen lamp 3 and a deuterium lamp 4 which are electrically connected with the circuit board 2 are arranged in the shell 1, and a first lens 5, a semi-transparent semi-reflective spectroscope 6, a second lens 7, a third lens 8, a collimating lens 9 and an optical fiber interface 10 are sequentially arranged on a light-passing light path of the halogen lamp 3; a fourth lens 11 is arranged between the deuterium lamp 4 and the semi-transparent semi-reflective spectroscope 6.

Further, the emission light paths of the halogen lamp 3 and the deuterium lamp 4 are arranged at an angle of 90 °.

Further, the first lens 5 is an aspheric lens, and the second lens 7 and the third lens 8 are plano-convex lenses.

The principle of the utility model is as follows: the power supply supplies power to the halogen lamp 3 and the deuterium lamp 4, the halogen lamp 3 and the deuterium lamp 4 emit light, the halogen lamp 3 is concentrated through the first lens 5 and then passes through the half-mirror beam splitter 6, meanwhile, the deuterium lamp 4 is concentrated through the fourth lens 11 and then reflected through the half-mirror beam splitter 6, two light sources are converged on the half-mirror beam splitter 6 and then sequentially pass through the second lens 7, the third lens 8 and the collimating lens 9 to enable the light path to be coupled to the optical fiber interface 10, and the optical fiber interface 10 is connected with optical fibers, so that the light source can be used. The utility model adopts a special optical collimation focusing lens, can be efficiently coupled into an optical fiber to improve the output light intensity, and can provide a deuterium-halogen combined light source with continuous and stable output in the wavelength range of 215-2500 nm.

Further, a shutter assembly is disposed between the third lens 8 and the collimating lens 9, the shutter assembly includes a light shielding sheet 12 and a motor 13 for controlling the rotation of the light shielding sheet 12, the number of the light shielding sheets 12 may be 1 or 2, and the motor 13 is electrically connected with the circuit board 2, so that manual or TTL shutter control can be performed.

Further, a heat dissipation assembly is arranged in the shell 1 and comprises an air cooling assembly or/and a heat sink structure, so that heat dissipation is improved, the optimal working temperature of the light source is ensured, and the output of the light source is stable.

Further, the air cooling assembly includes a plurality of sets of cooling fans 14 disposed on the housing 1.

Further, as shown in fig. 2, the heat sink structure includes a heat dissipation lamp housing disposed on the halogen lamp 3 and/or the deuterium lamp 4.

Further, the housing 1 is provided with a halogen lamp brightness adjusting knob 15, and the halogen lamp brightness adjusting knob 15 is electrically connected with the circuit board 2, so as to be convenient for adjusting the light source intensity of the halogen lamp.

Further, the first lens 5, the half mirror 6, the second lens 7, the third lens 8, and the fourth lens 11 may be separately disposed in the protective housing, and then mounted on the bottom wall of the housing 1 through the mounting base. Or as shown in fig. 2, the second lens 7 and the third lens 8 are integrally arranged in a protective shell, and the rest are independently arranged in the protective shell, so that the installation is simple and convenient.

Claims (8)

1. The deuterium-halogen combined light source comprises a shell, and is characterized in that a circuit board, a halogen lamp and a deuterium lamp are arranged in the shell, wherein the halogen lamp and the deuterium lamp are electrically connected with the circuit board, and a first lens, a semi-transparent semi-reflective spectroscope, a second lens, a third lens, a collimating lens and an optical fiber interface are sequentially arranged on a light-passing light path of the halogen lamp; and a fourth lens is arranged between the deuterium lamp and the semi-transparent semi-reflective spectroscope.

2. The deuterium halogen combination light source of claim 1, wherein the emission light paths of the halogen lamp and deuterium lamp are arranged at a 90 ° angle.

3. The deuterium-halogen combined light source of claim 1, wherein the first lens is an aspheric lens, and the second and third lenses are plano-convex lenses.

4. The deuterium-halogen combined light source of claim 1, wherein a shutter assembly is arranged between the third lens and the collimating lens, the shutter assembly comprises a light shielding sheet and a motor for controlling the rotation of the light shielding sheet, and the motor is electrically connected with the circuit board.

5. The deuterium-halogen combined light source of claim 1, wherein a heat dissipating assembly is disposed within the housing, the heat dissipating assembly comprising an air cooling assembly or/and a heat sink structure.

6. The deuterium-halogen combination light source of claim 5, wherein the air-cooled assembly comprises multiple sets of cooling fans disposed on a housing.

7. The deuterium-halogen combination light source of claim 5, wherein the heat sink structure comprises a heat dissipating lamp housing disposed outside of the halogen lamp or/and deuterium lamp.

8. The deuterium-halogen combined light source of claim 1, wherein a halogen lamp brightness adjustment knob is provided on the housing, and the halogen lamp brightness adjustment knob is electrically connected to a circuit board.