阅读说明：本技术 一种眼科裂隙灯显微镜的光源装置 (Light source device of ophthalmology slit lamp microscope ) 是由 李柏承 吴春波 高明昊 徐邦联 郭贝 盛斌 黄元申 于 2020-05-20 设计创作，主要内容包括：本发明提出一种眼科裂隙灯显微镜的光源装置,包括合光棱镜、光通道、聚光单元和发光单元；其中,合光棱镜表面设有多个光通道；光通道的一端与光棱镜相粘附,光通道的另一端与聚光单元相粘附,发光单元面向聚光单元的聚光面设于光通道内,进一步提出一种结构简单,可以获取多种不同颜色的光且方便智能的眼科裂隙灯显微镜的光源装置。(The invention provides a light source device of an ophthalmic slit-lamp microscope, which comprises a light-combining prism, a light channel, a light-gathering unit and a light-emitting unit; the surface of the light combining prism is provided with a plurality of light channels; one end of the optical channel is adhered to the optical prism, the other end of the optical channel is adhered to the light gathering unit, and the light emitting unit is arranged in the optical channel towards the light gathering surface of the light gathering unit.)

1. A light source device of an ophthalmic slit-lamp microscope is characterized by comprising a light-combining prism, a light channel, a light-gathering unit and a light-emitting unit; the surface of the light combination prism is provided with a plurality of light channels; one end of the light channel is adhered to the optical prism, the other end of the light channel is adhered to the light gathering unit, and the light gathering surface of the light emitting unit facing the light gathering unit is arranged in the light channel.

2. The light source device of an ophthalmic slit-lamp microscope as claimed in claim 1, wherein the prism is a cube prism formed by bonding a plurality of prisms with different coatings;

the cube prism includes up end, bottom surface and four sides, and one in four sides is the projection face, and one is connected respectively to three other faces the light channel.

3. The ophthalmic slit lamp microscope light source apparatus of claim 1, wherein the light channel is configured to prevent overflow of individual colors; the thickness of the tube wall of the optical channel was 1 mm.

4. The ophthalmic slit-lamp microscope light source device according to claim 1, wherein the light condensing unit is a concave light reflector; the concave surface of the concave light reflector faces the interior of the light channel;

the light-emitting unit is arranged at the R/2 position between the convex vertex of the concave light reflector and the plane central point.

5. The ophthalmic slit-lamp microscope light source device as claimed in claim 4, wherein the concave light reflector is pre-provided with a circuit outlet for receiving a circuit wire.

6. The light source device of an ophthalmic slit-lamp microscope as claimed in claim 1, wherein the light emitting unit is an LED micro patch lamp bead; the LED micro patch lamp bead comprises a red light LED micro patch lamp bead, a blue light LED micro patch lamp bead and a green light LED micro patch lamp bead; the mini patch lamp beads of three colors are respectively arranged in different light channels.

7. The ophthalmic slit lamp microscope light source device of claim 6, further comprising a control panel; the control panel is connected with the LED micro patch lamp beads through a pulse width modulation device, and the control panel adjusts the passing current of the red light LED micro patch lamp beads, the blue light LED micro patch lamp beads and the green light LED micro patch lamp beads through the pulse width modulation device, so that the brightness of a light source is changed; 6 kinds of light are selected, namely high-brightness white light, medium-brightness white light, low-brightness white light, red light, cobalt blue light and green light.

Technical Field

The invention relates to the technical field of light source devices, in particular to a light source device of an ophthalmic slit-lamp microscope.

Background

Most of the illumination light sources of the ophthalmic slit-lamp microscopes generally used at present adopt halogen tungsten filament bulbs, the light spots or illumination projected on the surface of eyes through an optical system are not particularly uniform, a filter set is required to change the color of light, and the structure is relatively complex.

Therefore, it is urgent for those skilled in the art to provide a convenient and intelligent light source device for an ophthalmic slit-lamp microscope.

Disclosure of Invention

The invention aims to provide a light source device of an ophthalmic slit lamp microscope, which has a simple structure, can obtain light with various colors, and is convenient and intelligent.

In order to achieve the above object, the present invention provides a light source device of an ophthalmic slit-lamp microscope, comprising a light-combining prism, a light channel, a light-gathering unit and a light-emitting unit; the surface of the light combination prism is provided with a plurality of light channels; one end of the light channel is adhered to the optical prism, the other end of the light channel is adhered to the light gathering unit, and the light gathering surface of the light emitting unit facing the light gathering unit is arranged in the light channel.

Preferably, the prism consists of a plurality of prisms with different coating films, and a cube prism is formed after the prisms are bonded;

the cube prism includes up end, bottom surface and four sides, and one in four sides is the projection face, and one is connected respectively to three other faces the light channel.

Preferably, the light channel is used for preventing overflow of each color; the thickness of the tube wall of the optical channel was 1 mm.

Preferably, the light condensing unit is a concave light reflector; the concave surface of the concave light reflector faces the interior of the light channel;

the light-emitting unit is arranged at the R/2 position between the convex vertex of the concave light reflector and the plane central point.

Preferably, a circuit outlet is preset on the concave light reflector for accommodating a circuit wire.

Preferably, the light-emitting unit is an LED mini patch lamp bead; the LED micro patch lamp bead comprises a red light LED micro patch lamp bead, a blue light LED micro patch lamp bead and a green light LED micro patch lamp bead; the mini patch lamp beads of three colors are respectively arranged in different light channels.

Preferably, the device further comprises a control panel; the control panel is connected with the LED micro patch lamp beads through a pulse width modulation device, and the control panel adjusts the passing current of the red light LED micro patch lamp beads, the blue light LED micro patch lamp beads and the green light LED micro patch lamp beads through the pulse width modulation device, so that the brightness of a light source is changed; 6 kinds of light are selected, namely high-brightness white light, medium-brightness white light, low-brightness white light, red light, cobalt blue light and green light.

Compared with the prior art, the invention has the advantages that: the light source device of the ophthalmic slit-lamp microscope fully utilizes the special optical property of the light-combining prism and the excellent light-emitting characteristic of the LED mini-patch lamp bead, so that the illumination light source emits light more uniformly, light with more colors can be obtained, a filter set is omitted, the structure is simpler, meanwhile, the light-emitting control panel is added, a doctor does not need to obtain a required light source in the conventional mode of rotating the filter set, and the light source device is more convenient and intelligent.

Drawings

FIG. 1 is an external view of a light-combining prism of a light source device of an intelligent ophthalmic slit-lamp microscope according to the present invention;

FIG. 2 is a schematic diagram of a light-combining prism of a light source device of an intelligent ophthalmic slit-lamp microscope according to the present invention;

FIG. 3 is an external view of a light source device of an intelligent ophthalmic slit-lamp microscope of the present invention;

FIG. 4 is a light-emitting control panel of a light source device of an intelligent ophthalmic slit-lamp microscope of the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.

As shown in fig. 3, the present invention provides a light source device of an ophthalmic slit-lamp microscope, which includes a light-combining prism 1, a light channel 2, a light-gathering unit 3 and a light-emitting unit 4; wherein, the surface of the light-combining prism 1 is provided with a plurality of light channels 2; one end of the light channel 2 is adhered to the optical prism, the other end of the light channel 2 is adhered to the light gathering unit 3, and the light emitting unit 4 is arranged in the light channel 2 facing to the light gathering surface of the light gathering unit 3.

In this embodiment, as shown in fig. 1, the prism consists of a plurality of prisms with different coatings, and a cube prism is formed after bonding; the invention uses a cube light-combining prism 1 with the size of 20 mm; the white light is combined by light with different wavelengths through refraction by a plurality of prisms with different coating films and by utilizing the RGB color mixing principle.

The cube prism includes up end, bottom surface and four sides, and one in four sides is the projection face, and a light channel 2 is connected respectively to three other faces.

In the present embodiment, the light channel 2 is used to prevent the overflow of each color, thereby avoiding the influence on the overall effect; the invention uses an optical element with an optical channel 2 with a diameter of 20mm, a height of 10mm and a tube wall thickness of 1 mm.

In the present embodiment, the light condensing unit 3 is a concave light reflector; the concave surface of the concave light reflector faces the interior of the light channel 2; the function is to converge the divergent light emitted by the light-emitting unit 4, and ensure the projection effect.

The light emitting unit 4 is arranged at the R/2 position between the convex peak of the concave light reflector and the plane central point, and further limits the light divergence through the concave light reflector.

In this embodiment, the concave reflector is pre-provided with a circuit outlet 5 for receiving circuit wires.

In this embodiment, the light emitting unit 4 is an LED micro patch lamp bead; the LED micro patch lamp bead comprises a red light LED micro patch lamp bead, a blue light LED micro patch lamp bead and a green light LED micro patch lamp bead; in the miniature paster lamp pearl of three kinds of colours was located different light channel 2 respectively, LED miniature paster lamp pearl light emitting area size was 2mm, and power is 2W, and light emitting area size should not be too big, and power is moderate.

In this embodiment, as shown in fig. 4, the device further includes a control panel; the control panel is connected with the LED micro patch lamp beads through the pulse width modulation device, and the control panel adjusts the passing current of the red light LED micro patch lamp beads, the blue light LED micro patch lamp beads and the green light LED micro patch lamp beads through the pulse width modulation device, so that the brightness of the light source is changed; 6 kinds of light are selected, namely high-brightness white light, medium-brightness white light, low-brightness white light, red light, cobalt blue light and green light.

The working principle of the invention is that as shown in fig. 2, the LED mini-patch lamp bead emits light with corresponding color, the light is condensed by the concave light reflector and then is emitted into the light-combining prism 1 through the light channel 2, the light with different wavelengths is combined into white light through refraction and light filtering effect in the light-combining prism 1 by utilizing the RGB color mixing principle, so as to be projected from the projection surface.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.