Light source module structure facilitating replacement of dichroscope

Abstract

The utility model provides a light source module structure convenient to replace a dichroscope, which comprises a shell and a dichroscope fixing support, a dichroscope mounting hole is arranged on one side of the shell, the dichroscope fixing support is mounted in the dichroscope mounting hole and can be pulled out of the dichroscope mounting hole, and the dichroscope mounting hole is arranged in the shell. A dichroscope mounting hole is formed in the dichroscope fixing support, a first fixing mechanism is arranged between the dichroscope support and the periphery of the dichroscope mounting hole, the dichroscope fixing support is provided with a dichroscope mounting groove, the middle of the dichroscope mounting groove is of a hollow structure, and the dichroscope mounting groove is provided with a second fixing mechanism used for fixing a dichroscope. According to the utility model, the dichroscope can be rapidly replaced through the dichroscope fixing support with the drawer structure, the operation is convenient and rapid, and the dichroscope fixing mechanism is independently arranged, so that the risk of accidental falling during the replacement of the dichroscope is avoided.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to a light source module structure for conveniently replacing a dichroic mirror. Background Art

[0002] In the existing fields of medical lighting, imaging and analysis, dichroic mirrors are widely used due to their good optical properties, and there are fixing devices for dichroic mirrors in related light source modules. Since customers have different requirements for the spectral components of the light emitted by the module in different usage scenarios, it is often necessary to replace the dichroic mirror to selectively transmit or reflect different bands of the light source emission spectrum. However, the dichroic mirrors in the existing light source modules are generally installed inside, and when replacing the dichroic mirror, it is necessary to first remove the relevant external structural parts before the dichroic mirror can be removed and replaced. The removal process is relatively cumbersome. Moreover, the existing dichroic mirror is directly installed between two outer frames, and there is no separate fixing member to fix the dichroic mirror. Therefore, when removing the two outer frames, the dichroic mirror has the risk of falling, which increases the difficulty of replacing the dichroic mirror. Summary of the Utility Model

[0003] In order to solve the problem of cumbersome replacement of the dichroic mirror in the prior art, the utility model provides a light source module structure for conveniently replacing the dichroic mirror.

[0004] The utility model provides a light source module structure for conveniently replacing a dichroic mirror, which includes a housing and a dichroic mirror fixing bracket. One side of the housing is provided with a dichroic mirror mounting hole. The dichroic mirror fixing bracket is installed in the dichroic mirror mounting hole and can be withdrawn from the dichroic mirror mounting hole. A first fixing mechanism is provided between the dichroic mirror bracket and the periphery of the dichroic mirror mounting hole. The dichroic mirror fixing bracket is provided with a dichroic mirror mounting groove. The middle part of the dichroic mirror mounting groove is a hollow structure, and the dichroic mirror mounting groove is provided with a second fixing mechanism for fixing the dichroic mirror.

[0005] As a further improvement of the utility model, the first fixing mechanism includes a plurality of first fixing threaded holes provided on the periphery of the dichroic mirror mounting hole and a plurality of first fixing bolt holes provided on the outer periphery of the outer side wall of the dichroic mirror fixing bracket and corresponding to the positions of the plurality of first fixing threaded holes respectively. Each first fixing bolt hole is respectively installed with a first fixing screw.

[0006] As a further improvement of the utility model, the second fixing mechanism includes a plurality of second fixing threaded holes provided on the periphery of the dichroic mirror mounting groove. Each second fixing threaded hole is respectively installed with a second fixing screw, and the edge of the nut of the second fixing screw can press on the edge of the dichroic mirror.

[0007] As a further improvement of the present utility model, the dichroic mirror mounting slot is a rectangular structure and circular avoidance grooves are provided at all four corners.

[0008] As a further improvement of the present utility model, the outer side wall of the dichroic mirror fixing bracket is a triangular structure.

[0009] As a further improvement of the present utility model, the light source module structure further includes a focusing lens provided at one end of the housing, an LED light source provided at the other end inside the housing, and a first collimating lens group provided between the focusing lens and the LED light source, and the dichroic mirror mounting hole is provided between the focusing lens and the first collimating lens group.

[0010] As a further improvement of the present utility model, the light source module structure further includes an LD light source provided inside the housing and having an optical path perpendicular to the optical path of the LED light source, and a second collimating lens group provided between the LD light source and the dichroic mirror mounting hole.

[0011] As a further improvement of the present utility model, the light source module structure further includes a radiator, and the radiator is attached to the outer side of the end of the housing away from the focusing lens.

[0012] As a further improvement of the present utility model, multiple groups of cooling fans are provided at the end of the radiator away from the housing.

[0013] The beneficial effects of the present utility model are as follows: The structure of the present utility model can quickly replace the dichroic mirror by providing a dichroic mirror fixing bracket in the form of a drawer structure, which is convenient and fast. Moreover, a fixing mechanism for the dichroic mirror is separately provided to avoid the risk of accidental dropping during replacement. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of a light source module structure for conveniently replacing a dichroic mirror of the present utility model;

[0015] Figure 2 is a schematic optical path layout diagram of a light source module structure for conveniently replacing a dichroic mirror of the present utility model.

[0016] Reference Numerals: 1 - housing; 2 - dichroic mirror fixing bracket; 3 - dichroic mirror; 4 - outer side wall of the dichroic mirror fixing bracket; 5 - first fixing threaded hole; 6 - first fixing screw; 7 - second fixing screw; 8 - focusing lens; 9 - first collimating lens group; 10 - radiator; 11 - cooling fan; 12 - circular avoidance groove; 13 - LED light source; 14 - LD light source; 15 - second collimating lens group. Detailed Embodiments

[0017] In the description of the present utility model, it should be understood that if there is a description of orientation, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., the orientation description can be based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0018] In the description of the present utility model, if there is a description of quantity, the meaning of "several" is one or more, the meaning of "multiple" is two or more, "greater than", "less than", "exceeding", etc. are understood as not including the recited number, and "above", "below", "within", etc. are understood as including the recited number. If there is a description of "first", "second", etc., it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0019] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0020] As Figure 1 and Figure 2 As shown, the present utility model discloses a light source module structure for conveniently replacing a dichroic mirror, including a housing 1 and a dichroic mirror fixing bracket 2. A dichroic mirror mounting hole is provided on one side of the housing 1. The dichroic mirror fixing bracket 2 is installed in the dichroic mirror mounting hole and can be withdrawn from the dichroic mirror mounting hole. A first fixing mechanism is provided between the dichroic mirror bracket and the periphery of the dichroic mirror mounting hole. The dichroic mirror fixing bracket 2 is provided with a dichroic mirror mounting groove, the middle of the dichroic mirror mounting groove is a hollow structure, and a second fixing mechanism for fixing the dichroic mirror is provided in the dichroic mirror mounting groove.

[0021] The present utility model sets a dichroic mirror mounting hole on one side of the housing 1 and sets a dichroic mirror fixing bracket 2 that can be withdrawn from the dichroic mirror mounting hole to fix the dichroic mirror. It can greatly facilitate the replacement of the dichroic mirror, greatly improve the replacement speed of the dichroic mirror, and can effectively fix the dichroic mirror installed on the dichroic mirror fixing bracket 2 by setting the second fixing mechanism, avoiding the risk of accidental dropping.

[0022] In the present utility model, the first fixing mechanism includes a plurality of first fixing threaded holes 5 provided around the dichroic mirror mounting hole and a plurality of first fixing bolt holes provided around the outer side wall 4 of the dichroic mirror fixing bracket and corresponding to the positions of the plurality of first fixing threaded holes 5 respectively. A first fixing screw 6 is installed in each of the first fixing bolt holes. By setting the first fixing screw 6, the dichroic mirror fixing bracket 2 and the housing are fixed together. It is not only fixed reliably but also convenient for disassembly and assembly.

[0023] In the present utility model, the second fixing mechanism includes a plurality of second fixing threaded holes provided around the dichroic mirror mounting groove. A second fixing screw 7 is installed in each of the second fixing threaded holes, and the edge of the nut of the second fixing screw 7 can press on the edge of the dichroic mirror. By setting the second fixing screw 7, the dichroic mirror can be effectively fixed, preventing accidental dropping of the dichroic mirror during replacement. And the fixation by the second fixing screw 7 is not only reliable but also convenient for disassembly and assembly. Of course, it can also be other limiting fixing structures such as snap fasteners.

[0024] In the present utility model, the dichroic mirror mounting groove is of a rectangular structure and circular avoidance grooves 12 are provided at all four corners, which can avoid the four corners of the dichroic mirror, being not only convenient for disassembly and assembly but also capable of avoiding damage to the corners of the dichroic mirror during installation or disassembly.

[0025] In the present utility model, the outer side wall 4 of the dichroic mirror fixing bracket is of a triangular structure. Of course, it can also be other shapes such as rectangular, and the shape can be set according to requirements.

[0026] In the present utility model, the light source module structure further includes a focusing lens 8 provided at one end of the housing 1, an LED light source 13 provided at the other end inside the housing 1, and a first collimating lens group 9 provided between the focusing lens 8 and the LED light source 13. The dichroic mirror mounting hole is provided between the focusing lens 8 and the first collimating lens group 9. The light source module structure further includes an LD light source 14 provided inside the housing 1 and having an optical path perpendicular to the optical path of the LED light source 13, and a second collimating lens group 15 provided between the LD light source 14 and the dichroic mirror mounting hole.

[0027] In the present utility model, the light source module structure further includes a radiator 10, and the radiator 10 is attached to the outer side of the end of the housing 1 away from the focusing lens 8 for dissipating the heat generated by the LED light source 13 and the LD light source 14.

[0028] In the present utility model, a plurality of heat dissipation fans 11 are provided at the end of the radiator 10 away from the housing 1 for enhancing the heat dissipation of the radiator 10.

[0029] The structure of the present utility model can quickly replace the dichroic mirror by setting the dichroic mirror fixing bracket 2 with a drawer structure, which is convenient and fast. Moreover, a fixing mechanism for the dichroic mirror is separately provided to avoid the risk of accidental dropping during replacement.

[0030] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or replacements can be made, which should all be regarded as belonging to the protection scope of the present utility model.

Claims

1. A light source module structure that is convenient for replacing a dichroic mirror, characterized in that: It comprises a shell and a dichroic mirror fixing bracket, wherein a dichroic mirror mounting hole is provided on one side of the shell, the dichroic mirror fixing bracket is installed in the dichroic mirror mounting hole and can be pulled out of the dichroic mirror mounting hole, a first fixing mechanism is provided between the dichroic mirror bracket and the periphery of the dichroic mirror mounting hole, the dichroic mirror fixing bracket is provided with a dichroic mirror mounting groove, the middle part of the dichroic mirror mounting groove is a hollow structure, and the dichroic mirror mounting groove is provided with a second fixing mechanism for fixing the dichroic mirror.

2. The light source module structure for convenient replacement of dichroic mirrors according to claim 1, characterized in that: The first fixing mechanism includes a plurality of first fixing threaded holes arranged on the periphery of the dichroic mirror mounting hole and a plurality of first fixing bolt holes arranged on the periphery of the outer wall of the dichroic mirror fixing bracket and corresponding to the positions of the plurality of first fixing threaded holes, respectively, and a first fixing screw is installed in each of the first fixing bolt holes.

3. The light source module structure for convenient replacement of dichroic mirrors according to claim 1, characterized in that: The second fixing mechanism includes a plurality of second fixing threaded holes arranged at the periphery of the dichroic mirror installation slot, a second fixing screw is installed in each of the second fixing threaded holes, and the nut edge of the second fixing screw can be pressed on the edge of the dichroic mirror.

4. The light source module structure for convenient replacement of dichroic mirrors according to claim 3, characterized in that: The dichroic mirror installation slot has a rectangular structure and circular avoidance grooves are provided at the four corners.

5. The light source module structure for convenient replacement of dichroic mirrors according to claim 2, characterized in that: The outer side wall of the dichroic mirror fixing bracket is a triangular structure.

6. The light source module structure for convenient replacement of dichroic mirrors according to claim 1, characterized in that: The light source module structure also includes a focusing lens arranged at one end of the shell, an LED light source arranged at the other end of the shell, and a first collimating lens group arranged between the focusing lens and the LED light source, and the dichroic mirror mounting hole is arranged between the focusing lens and the first collimating lens group.

7. The light source module structure for convenient replacement of dichroic mirrors according to claim 6, characterized in that: The light source module structure also includes an LD light source which is arranged in the housing and has an optical path perpendicular to that of the LED light source, and a second collimating lens group which is arranged between the LD light source and the dichroic mirror mounting hole.

8. The light source module structure for convenient replacement of dichroic mirrors according to claim 7, characterized in that: The light source module structure also includes a heat sink, and the heat sink is attached to the outer side of an end of the housing away from the focusing lens.

9. The light source module structure for convenient replacement of dichroic mirrors according to claim 8, characterized in that: A plurality of cooling fans are arranged at one end of the radiator away from the shell.

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