CN219370116U - Fluorescence excitation light source module and microscan - Google Patents

Abstract

The utility model discloses a fluorescence excitation light source module and a microscans, wherein the fluorescence excitation light source module comprises a motor and an installation box, a machine body of the motor is fixedly connected with the installation box, an output shaft of the motor is fixedly connected with a reflector, the reflector is positioned in the installation box, a limited beam lens barrel and a plurality of excitation light sources are fixedly arranged on the installation box, and light emitted by the excitation light sources is reflected by the reflector and then emitted from the limited beam lens barrel. The beneficial effects are that: according to the technical scheme, the multiple excitation light sources are designed to surround the reflecting mirror, the light rays emitted by the excitation light sources are reflected by the reflecting mirror, the reflected light rays are emitted from the beam limiting lens barrel, when the light rays emitted by a certain excitation light source are required, the motor is controlled to drive the reflecting mirror to rotate to face the excitation light source, and the size of the fluorescent excitation light source module can be greatly reduced through the structural design, so that the scanner is miniaturized.

Description

Fluorescence excitation light source module and microscan

Technical Field

The utility model relates to the field of microscans, in particular to a fluorescence excitation light source module and a microscan.

Background

When the scanner has multicolor fluorescence imaging function, a plurality of excitation light sources need to be configured, and the volume of a fluorescence light source module formed by the plurality of excitation light sources is larger, which is not beneficial to the miniaturization of the scanner.

Disclosure of Invention

The utility model mainly aims to provide a fluorescence excitation light source module and a microscans, and aims to solve the problems that the existing fluorescence light source module composed of a plurality of excitation light sources is large in size and the miniaturization development of the scanners is hindered.

In order to solve the problems, the utility model provides a fluorescence excitation light source module, which comprises a motor and a mounting box, wherein a machine body of the motor is fixedly connected with the mounting box, an output shaft of the motor is fixedly connected with a reflecting mirror, the reflecting mirror is positioned in the mounting box, a limited beam lens barrel and a plurality of excitation light sources are fixedly arranged on the mounting box, and light emitted by the excitation light sources is reflected by the reflecting mirror and then emitted from the limited beam lens barrel.

In one embodiment, the motor is fixedly mounted on a frame, and the frame and the mounting box are fixedly connected through a support plate.

In one embodiment, the output shaft of the motor is fixedly connected with the base through a rotating shaft, and the reflecting mirror is fixedly arranged on the base.

In one embodiment, the colors of the light emitted by the plurality of excitation light sources are different.

In an embodiment, the installation box is a hollow cylinder or a regular polygon, and the plurality of excitation light sources are distributed in a central symmetry manner with the central axis of the beam limiting lens barrel as the center.

In an embodiment, the mounting box is detachably and fixedly provided with a box cover, and the beam limiting lens barrel is fixedly connected with the box cover.

In one embodiment, the beam limiting barrel is coaxial with an output shaft of the motor.

In an embodiment, the light emitted by the excitation light source is perpendicular to the light reflected by the reflector, and the light reflected by the reflector is parallel to the central axis of the beam limiting lens barrel.

In an embodiment, the excitation light source comprises an LED lamp and a collimating lens barrel, the LED lamp is fixed on the outer wall of the mounting box, and the collimating lens barrel is fixed on the inner wall of the mounting box.

In addition, the utility model also provides a microscans comprising any one of the fluorescence excitation light source modules.

The beneficial effects are that: according to the technical scheme, the multiple excitation light sources are designed to surround the reflecting mirror, the light rays emitted by the excitation light sources are reflected by the reflecting mirror, the reflected light rays are emitted from the beam limiting lens barrel, when the light rays emitted by a certain excitation light source are required, the motor is controlled to drive the reflecting mirror to rotate to face the excitation light source, and the size of the fluorescent excitation light source module can be greatly reduced through the structural design, so that the scanner is miniaturized.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a fluorescence excitation light source module according to the present utility model;

FIG. 2 is a schematic diagram of a fluorescence excitation light source module according to a second embodiment of the present utility model;

FIG. 3 is a front view of a fluorescence excitation light source module according to the present utility model;

fig. 4 is a cross-sectional view A-A in fig. 3.

The reference numerals are explained as follows:

1. a frame; 2. a motor; 3. a reflecting mirror; 4. a mounting box; 5. an excitation light source; 51. an LED lamp; 52. a collimating lens barrel; 6. a box cover; 7. a beam limiting barrel; 8. a base; 9. a rotating shaft; 10. and a support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a fluorescence excitation light source module.

In a specific embodiment of the utility model, the fluorescence excitation light source module comprises a motor 2 and a mounting box 4, wherein the body of the motor 2 is fixedly connected with the mounting box 4, preferably, as shown in fig. 1-4, the motor 2 is fixedly mounted on a frame 1, and the frame 1 and the mounting box 4 are fixedly connected through a supporting plate 10, so that the design is convenient for fixedly connecting the body of the motor 2 with the mounting box 4.

In this embodiment, the output shaft of the motor 2 is fixedly connected with the reflector 3, the motor 2 drives the reflector 3 to rotate to adjust the direction of the reflector 3, so that the reflector 3 faces the excitation light source 5 needing to emit light, the reflector 3 is located in the mounting box 4, preferably, as shown in fig. 4, the output shaft of the motor 2 is fixedly connected with the base 8 through the rotating shaft 9, and the reflector 3 is fixedly mounted on the base 8, so that the motor 2 is conveniently connected with the reflector 3 in a transmission manner.

In this embodiment, as shown in fig. 1 to fig. 4, the installation box 4 is fixedly provided with a beam limiting lens barrel 7 and a plurality of excitation light sources 5 (8 excitation light sources 5 are shown in fig. 1 to fig. 4), the beam limiting lens barrel 7 is coaxial with an output shaft of the motor 2, an inlet of the beam limiting lens barrel 7 is opposite to the reflecting mirror 3, light emitted by the excitation light sources 5 is reflected by the reflecting mirror 3 and then emitted from the beam limiting lens barrel 7 to enter an objective lens of the scanner, and the beam limiting lens barrel 7 is used for limiting light beams and avoiding causing stray light.

In this embodiment, the excitation light source 5 may be fixedly connected with the mounting box 4 through a mortise and tenon structure, or may be fixedly connected through a clamping manner or a riveting manner.

Preferably, the light emitted by the excitation light source 5 is perpendicular to the light reflected by the reflector 3, and the light reflected by the reflector 3 is parallel to the central axis of the beam limiting lens barrel 7, so that the beam limiting lens barrel 7 is designed so as not to block the reflected light of the reflector 3 from exiting the fluorescence excitation light source module.

In this embodiment, the colors of the light emitted by the multiple excitation light sources 5 are different, when a certain excitation light source 5 is required to emit light, the motor 2 is controlled to drive the reflecting mirror 3 to rotate, so that the reflecting mirror 3 faces the excitation light source 5, then the excitation light source 5 is turned on to emit light, and the light emitted by the excitation light source 5 is reflected by the reflecting mirror and then emitted from the beam limiting lens barrel 7 to enter the objective lens of the scanner.

According to the fluorescent excitation light source module, the plurality of excitation light sources 5 are designed to surround the reflecting mirror 3, the light emitted by the excitation light sources 5 is reflected by the reflecting mirror 3, the reflected light is emitted from the beam limiting lens barrel 7 and enters the objective lens of the scanner, when the light emitted by one excitation light source 5 is required, the motor 2 is controlled to drive the reflecting mirror 3 to rotate to face the excitation light source 5, the volume of the fluorescent excitation light source module can be greatly reduced by the structural design, the scanner can be miniaturized, and the fluorescent excitation light source module is simple in structure and low in design and manufacturing cost.

In this embodiment, preferably, as shown in fig. 1-4, the mounting box 4 is a regular polygon with a hollow interior, however, in other embodiments, the mounting box 4 may also be a hollow cylinder, and the plurality of excitation light sources 5 are symmetrically distributed on the mounting box 4 with the central axis of the beam limiting lens barrel 7 as the center, so that the design is convenient for the motor 2 to drive the reflector 3 to rotate and adjust to a designated direction rapidly.

In this embodiment, as shown in fig. 1 to 4, the mounting box 4 is detachably and fixedly provided with a box cover 6, and the beam limiting lens barrel 7 is fixedly connected with the box cover 6, so that the mounting box 4 is convenient to connect with the beam limiting lens barrel 7.

In this embodiment, as shown in fig. 4, the excitation light source 5 includes an LED lamp 51 and a collimating lens barrel 52, the LED lamp 51 is fixed on the outer wall of the mounting box 4, the collimating lens barrel 52 is fixed on the inner wall of the mounting box 4, the light emitting surface of the LED lamp 51 faces the entrance of the collimating lens barrel 52, the exit of the collimating lens barrel 52 faces the reflecting mirror 3, the LED lamp 51 can emit light with a specified spectral range, the light emitted by the LED lamp 51 is used for exciting fluorescence, the collimating lens barrel 52 is used for collimating the light emitted by the LED lamp 51 and outputting the light to the reflecting mirror 3, and the reflected light is emitted from the beam limiting lens barrel 7 after being reflected by the reflecting mirror 3.

In addition, the utility model also provides a microscan, which comprises any one of the fluorescence excitation light source modules, and because the microscan of the embodiment adopts any one of the fluorescence excitation light source modules, the microscan has at least all the beneficial effects of any one of the fluorescence excitation light source modules, and redundant description is omitted.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The fluorescent excitation light source module is characterized by comprising a motor and an installation box, wherein a machine body of the motor is fixedly connected with the installation box, an output shaft of the motor is fixedly connected with a reflector, the reflector is positioned in the installation box, a limited beam lens barrel and at least two excitation light sources are fixedly installed on the installation box, and light emitted by the excitation light sources is reflected by the reflector and then emitted from the limited beam lens barrel.

2. The fluorescence excitation light source module of claim 1, wherein the motor is fixedly mounted on a frame, and the frame and the mounting box are fixedly connected by a support plate.

3. The fluorescence excitation light source module of claim 1, wherein the output shaft of the motor is fixedly connected to the base via a rotating shaft, and the reflector is fixedly mounted on the base.

4. The fluorescence excitation light source module of claim 1, wherein the colors of light emitted by the plurality of excitation light sources are different.

5. The fluorescence excitation light source module according to claim 1, wherein the mounting box is a hollow cylinder or a regular polygon, and the plurality of excitation light sources are distributed in a central symmetry manner with a central axis of the beam limiting barrel as a center.

6. The fluorescence excitation light source module of claim 5, wherein the mounting box is detachably and fixedly provided with a box cover, and the beam limiting lens barrel is fixedly connected with the box cover.

7. The fluorescence excitation light source module of claim 1, wherein the beam limiting barrel is coaxial with an output shaft of the motor.

8. The fluorescence excitation light source module according to claim 1, wherein the light emitted by the excitation light source is perpendicular to the light reflected by the reflector, and the light reflected by the reflector is parallel to the central axis of the beam limiting barrel.

9. The fluorescence excitation light source module of claim 1, wherein the excitation light source comprises an LED lamp and a collimating lens barrel, the LED lamp being secured to an outer wall of the mounting box, the collimating lens barrel being secured to an inner wall of the mounting box.

10. A microscan comprising the fluorescence excitation light source module of any one of claims 1-9.