Ultraviolet compensation halogen light source

Abstract

The utility model discloses an ultraviolet compensation halogen light source, which comprises a shell, a circuit board arranged in the shell, an LED lamp and a halogen lamp electrically connected with the circuit board, a first plano-convex lens, a spectroscope, a Fresnel lens and an optical fiber interface are sequentially arranged on a light path of the LED lamp, and a second plano-convex lens is arranged between the halogen lamp and the spectroscope. And the emitting light paths of the LED lamp and the halogen lamp are arranged at an angle of 90 degrees. The light source is a special light source for visible light, an LED purple light compensation mode is adopted, the problem that the 380-420 nm intensity of a halogen tungsten lamp is too low is solved, the light spot efficiency is focused to an optical fiber interface through precise adjustment of the double lenses, and the output light efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of light sources, in particular to an ultraviolet compensation halogen light source. Background Art

[0002] Halogen light sources are used in applications such as fiber optic sensing, transmission and reflection measurement of physical properties of materials, color measurement, ultraviolet absorption measurement, spectral characteristic analysis, industrial process control, optical elements, and thin film measurement.

[0003] In the existing compensation halogen lamp, the wavelength <400nm is too weak and the output luminous efficiency is relatively low. Moreover, in the existing light source, each component inside is generally fixed separately inside the housing, the installation is rather cumbersome, and the space utilization rate is low. Content of the Utility Model

[0004] In order to solve the deficiencies in the prior art, the utility model provides an ultraviolet compensation halogen light source, which is a special light source for visible light. By adopting the method of LED violet light compensation, the problem that the intensity of the tungsten halogen lamp in the range of 380 - 420nm is too low is solved. Through the precise adjustment of the double lenses, the spot efficiency is focused on the fiber optic interface, and the output luminous efficiency is improved.

[0005] In order to achieve the above object, the utility model is realized through the following technical solutions:

[0006] An ultraviolet compensation halogen light source includes a housing. A circuit board, an LED lamp and a halogen lamp electrically connected to the circuit board are arranged inside the housing. A first plano-convex lens, a beam splitter, a Fresnel lens and a fiber optic interface are sequentially arranged on the light passing optical path of the LED lamp. A second plano-convex lens is arranged between the halogen lamp and the beam splitter. The light emitted by the LED lamp is condensed by the first plano-convex lens and then passes through the beam splitter. The light emitted by the halogen lamp is condensed by the second plano-convex lens and then reflected by the beam splitter. The two light paths converge together. The converged light path passes through the Fresnel lens and then is connected to the optical fiber through the fiber optic interface.

[0007] The emission light paths of the LED lamp and the halogen lamp are arranged at a 90° angle.

[0008] There are multiple LED lamps, and the number of the first plano-convex lenses is the same as that of the LED lamps.

[0009] There are 4 LED lamps and 4 first plano-convex lenses.

[0010] The shutter assembly includes a light-shielding sheet and a motor for controlling the rotation of the light-shielding sheet. The light-shielding sheet can be one or two, and the motor is electrically connected to the circuit board.

[0011] A brightness adjustment knob is arranged on the housing, and the brightness adjustment knob is electrically connected to the circuit board.

[0012] A cooling fan is provided on the housing.

[0013] Heat dissipation holes are provided on the housing.

[0014] The housing includes an upper housing, a lower housing, a left housing, and a right housing. The upper housing and the lower housing are both in the shape of "[", and the left housing and the right housing both have flanges extending towards each other.

[0015] The LED lamp and the first plano-convex lens are integrally provided on the first protective housing, the beam splitter and the second plano-convex lens are integrally provided on the second protective housing, the Fresnel lens is provided on the third protective housing, and a heat dissipation lamp housing is provided outside the halogen lamp.

[0016] The first protective housing, the second protective housing, the third protective housing, and the heat dissipation lamp housing are installed on the lower housing.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. The present utility model is a special light source for visible light. By adopting the method of LED purple light compensation, it solves the problem of too low intensity of the halogen tungsten lamp in the range of 380 - 420 nm. Through the precise adjustment of the double lenses, the spot efficiency is focused on the fiber optic interface, realizing the improvement of the output light efficiency.

[0019] 2. The LED lamp and the first plano-convex lens are integrally provided on the first protective housing, the beam splitter and the second plano-convex lens are integrally provided on the second protective housing, and the Fresnel lens is provided on the third protective housing. The integrated setting makes the installation simple and convenient.

[0020] 3. A heat dissipation lamp housing is provided outside the halogen lamp, and a cooling fan is provided on the housing, improving the heat dissipation effect and the stability of the light source. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Attached Figure 1 is a schematic diagram of the external structure of the present utility model.

[0022] Attached Figure 2 is a schematic diagram of the structures of the internal components of the present utility model.

[0023] Attached Figure 3 is a schematic diagram of the internal structure of the present utility model.

[0024] Reference numerals shown in the drawings: 1, housing; 2, circuit board; 3, LED lamp; 4, halogen lamp; 5, first plano-convex lens; 6, beam splitter; 7, Fresnel lens; 8, fiber optic interface; 9, second plano-convex lens; 10, light shield; 11, motor; 12, brightness adjustment knob; 13, cooling fan; 14, cooling holes; 15, upper housing; 16, lower housing; 17, left housing; 18, right housing; 19, flange; 20, first protective housing; 21, second protective housing; 22, third protective housing; 23, cooling lamp housing. Detailed implementation manners

[0025] In combination with the drawings and specific embodiments, the present utility model will be further described. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by this application.

[0026] As shown in the attached Figures 1-3 drawing, the present utility model provides an ultraviolet compensation halogen light source, including a housing 1, a circuit board 2 and an LED lamp 3 and a halogen lamp 4 electrically connected to the circuit board 2 are arranged in the housing 1. A first plano-convex lens 5, a beam splitter 6, a Fresnel lens 7 and a fiber optic interface 8 are sequentially arranged on the light path of the LED lamp 3. A second plano-convex lens 9 is arranged between the halogen lamp 4 and the beam splitter 6.

[0027] Further, as shown in the attached Figure 2 drawing, the emission light paths of the LED lamp 3 and the halogen lamp 4 are arranged at a 90° angle.

[0028] The principle of the present utility model is as follows: The light source emitted by the LED lamp 3 is condensed by the first plano-convex lens 5 and then transmitted through the beam splitter 6. At the same time, the light source emitted by the halogen lamp 4 is condensed by the second plano-convex lens 9 and then reflected by the beam splitter 6. The two beams of light converge together and then pass through the Fresnel lens 7 to the fiber optic interface 8, and then can be connected to the optical fiber for use.

[0029] Further, in order to enhance the compensation effect of the LED lamp, a plurality of LED lamps 3 are provided, and the number of the first plano-convex lenses 5 is the same as that of the LED lamps 3.

[0030] Further, both the LED lamp 3 and the first plano-convex lens 5 are provided with 4. In this embodiment, the LED lamps 3 are integrally arranged on the lamp board, and the first plano-convex lenses 5 correspond to the LED lamps 3 one by one.

[0031] Further, a shutter assembly is provided between the Fresnel lens 7 and the optical fiber interface 8. The shutter assembly includes a light-shielding sheet 10 and a motor 11 for controlling the rotation of the light-shielding sheet 10. The motor 11 is electrically connected to the circuit board 2. The light-shielding sheet 10 can be one or two.

[0032] Further, to facilitate the adjustment of the brightness of the LED lamp 3 and the halogen lamp 4, a brightness adjustment knob 12 is provided on the housing 1. The brightness adjustment knob 12 is electrically connected to the circuit board 2.

[0033] Further, to facilitate the heat dissipation of the light source and the stability of the light source, a cooling fan 13 is provided on the housing 1.

[0034] Further, heat dissipation holes 14 are provided on the housing 1.

[0035] Further, as Figure 1 、 Figure 2 shown, the housing 1 includes an upper housing 15, a lower housing 16, a left housing 17, and a right housing 18. The upper housing 15 and the lower housing 16 are both in the shape of a "[", and the left housing 17 and the right housing 18 both have flanges 19 extending towards each other. When installing the present utility model, the upper housing 15 and the lower housing 16 are clamped between the left housing 17 and the right housing 18, and the fixation and installation of the upper housing 15, the lower housing 16, the left housing 17, and the right housing 18 can be realized by setting screws between the flange 19 and the upper housing 15 and the lower housing 16, which is simple and convenient.

[0036] Further, as shown in the attached Figure 3 figure, the LED lamp 3 and the first plano-convex lens 5 are integrally provided on the first protective housing 20, the beam splitter 6 and the second plano-convex lens 9 are integrally provided on the second protective housing 21, the Fresnel lens 7 is provided on the third protective housing 22, and a heat dissipation lamp housing 23 is provided outside the halogen lamp 4. In this embodiment, the first protective housing 20, the second protective housing 21, the third protective housing 22, and the heat dissipation lamp housing 23 are installed on the lower housing, which is simple and convenient to install and saves space.

Claims

1. An ultraviolet compensation halogen light source, comprising a housing, characterized in that, A circuit board, an LED lamp and a halogen lamp electrically connected to the circuit board are arranged inside the housing. A first plano-convex lens, a beam splitter, a Fresnel lens and an optical fiber interface are sequentially arranged on the light path of the LED lamp. A second plano-convex lens is arranged between the halogen lamp and the beam splitter.

2. The ultraviolet compensation halogen light source according to claim 1, characterized in that, The emission light paths of the LED lamp and the halogen lamp are arranged at an angle of 90°.

3. An ultraviolet compensation halogen light source according to claim 1, characterized in that, A plurality of LED lamps are provided, and the number of the first plano-convex lenses is the same as that of the LED lamps.

4. An ultraviolet compensation halogen light source according to claim 1, wherein, Both the LED lamp and the first plano-convex lens are provided with 4.

5. An ultraviolet compensation halogen light source according to claim 1, characterized in that, A shutter assembly is arranged between the Fresnel lens and the optical fiber interface. The shutter assembly includes a light-shielding sheet and a motor for controlling the rotation of the light-shielding sheet. The motor is electrically connected to the circuit board.

6. An ultraviolet compensation halogen light source according to claim 1, characterized in that, A brightness adjustment knob is arranged on the housing. The brightness adjustment knob is electrically connected to the circuit board.

7. An ultraviolet compensation halogen light source according to claim 1, characterized in that, A cooling fan is arranged on the housing.

8. An ultraviolet compensation halogen light source according to claim 1, characterized in that, Heat dissipation holes are arranged on the housing.

9. An ultraviolet compensation halogen light source according to claim 1, wherein, The housing includes an upper housing, a lower housing, a left housing and a right housing. The upper housing and the lower housing are both in the shape of "[". The left housing and the right housing have flanges extending towards each other.

10. An ultraviolet compensation halogen light source according to claim 1, characterized in that, The LED lamp and the first plano-convex lens are integrally arranged on a first protective housing. The beam splitter and the second plano-convex lens are integrally arranged on a second protective housing. The Fresnel lens is arranged on a third protective housing. A heat dissipation lamp housing is arranged outside the halogen lamp.

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